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Date: Tue, 02 Nov 2021 16:03:26 +0100
From: freebsd@sysctl.cz
To: imb@protected-networks.net
Cc: freebsd-current <freebsd-current@freebsd.org>,
 freebsd-emulation@freebsd.org, owner-freebsd-emulation@freebsd.org
Subject: Re: current now panics when starting VBox VM
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Dne 2021-11-02 15:16, Michael Butler via freebsd-current napsal:
> On current as of this morning (I haven't tried to bisect yet) ..
> 
> FreeBSD toshi.auburn.protected-networks.net 14.0-CURRENT FreeBSD
> 14.0-CURRENT #42 main-a670e1c13a: Tue Nov  2 09:29:28 EDT 2021
> root@toshi.auburn.protected-networks.net:/usr/obj/usr/src/amd64.amd64/sys/TOSHI
>  amd64
> 
>  .. with either graphics/drm-devel-kmod or graphics/drm-current-kmod,
> trying to start a VirtualBox VM triggers this panic ..
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x0
> fault code              = supervisor read data, page not present
> instruction pointer     = 0x20:0xffffffff80ca5564
> stack pointer           = 0x28:0xfffffe011c036b80
> frame pointer           = 0x28:0xfffffe011c036b80
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 1378 (plasmashell)
> trap number             = 12
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&dev->mode_config.connection_mutex)
> failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:666
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e40542 at drm_atomic_helper_check_modeset+0x242
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a59f0 at vt_window_switch+0x120
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cbe1c at vpanic+0xec
> #13 0xffffffff808cbd23 at panic+0x43
> #14 0xffffffff80ca928c at trap_fatal+0x2dc
> #15 0xffffffff80ca962f at trap_pfault+0x32f
> #16 0xffffffff80ca8a3c at trap+0x23c
> #17 0xffffffff80c81fc8 at calltrap+0x8
> WARN_ON(!mutex_is_locked(&dev->struct_mutex))
> 
> WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))
> panic: page fault
> cpuid = 0
> time = 1635862018
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&dev->mode_config.connection_mutex)
> failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:666
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e40542 at drm_atomic_helper_check_modeset+0x242
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff808cb7ec at kern_reboot+0x17c
> #11 0xffffffff808cbecb at vpanic+0x19b
> #12 0xffffffff808cbd23 at panic+0x43
> #13 0xffffffff80ca928c at trap_fatal+0x2dc
> #14 0xffffffff80ca962f at trap_pfault+0x32f
> #15 0xffffffff80ca8a3c at trap+0x23c
> #16 0xffffffff80c81fc8 at calltrap+0x8
> #17 0xffffffff808b4d69 at sysctl_kern_proc_pathname+0xc9
> WARN_ON(!mutex_is_locked(&dev->struct_mutex))
> 
> WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))
> Uptime: 1m6s
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&crtc->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:621
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e403b2 at drm_atomic_helper_check_modeset+0xb2
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&dev->mode_config.connection_mutex)
> failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:666
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e40542 at drm_atomic_helper_check_modeset+0x242
> #2 0xffffffff81d3870c at intel_atomic_check+0x8c
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARNING !drm_modeset_is_locked(&plane->mutex) failed at
> /usr/ports/graphics/drm-current-kmod/work/drm-kmod-drm_v5.4.144_2/drivers/gpu/drm/drm_atomic_helper.c:871
> #0 0xffffffff81ec2c63 at linux_dump_stack+0x23
> #1 0xffffffff81e4160f at drm_atomic_helper_check_planes+0xaf
> #2 0xffffffff81d39847 at intel_atomic_check+0x11c7
> #3 0xffffffff81e3f383 at drm_atomic_check_only+0x423
> #4 0xffffffff81e3f783 at drm_atomic_commit+0x13
> #5 0xffffffff81e4c2e8 at drm_client_modeset_commit_atomic+0x148
> #6 0xffffffff81e4c046 at drm_client_modeset_commit_force+0x66
> #7 0xffffffff81e8bf1a at drm_fb_helper_restore_fbdev_mode_unlocked+0x7a
> #8 0xffffffff81e85ef6 at vt_kms_postswitch+0x166
> #9 0xffffffff807a5ba9 at vt_window_switch+0x2d9
> #10 0xffffffff807a2b4f at vtterm_cngrab+0x4f
> #11 0xffffffff80865716 at cngrab+0x16
> #12 0xffffffff808cb9c1 at kern_reboot+0x351
> #13 0xffffffff808cbecb at vpanic+0x19b
> #14 0xffffffff808cbd23 at panic+0x43
> #15 0xffffffff80ca928c at trap_fatal+0x2dc
> #16 0xffffffff80ca962f at trap_pfault+0x32f
> #17 0xffffffff80ca8a3c at trap+0x23c
> WARN_ON(!mutex_is_locked(&dev->struct_mutex))
> 
> WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc->lock))
> Dumping 811 out of 16257 
> MB:..2%..12%..22%..32%..42%..52%..62%..71%..81%..91%
> 
> ------------------------------------------------------------------------
It seems to bug https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259555