[Bug 235487] graphics/mesa-dri 18.3.2 plus xorg-server-1.18.4_11,1 results in segmentation fault

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235487

--- Comment #19 from Philip Homburg <pch-freebsd-bugs-1 at u-1.phicoh.com> ---
(In reply to Niclas Zeising from comment #18)

12.0 breaks IPv6 for me, so that's not an option.

Loading /boot/modules/i915kms.ko (from drm-fbsd11.2-kmod-4.11g20190424) gives a
kernel panic:

Jul 29 22:39:20 brainpad kernel: IOPL = 0
Jul 29 22:39:20 brainpad kernel: current process                = 1100
(kldload)
Jul 29 22:39:20 brainpad kernel: trap number            = 12
Jul 29 22:39:20 brainpad kernel: panic: page fault
Jul 29 22:39:20 brainpad kernel: cpuid = 2
Jul 29 22:39:20 brainpad kernel: KDB: stack backtrace:
Jul 29 22:39:20 brainpad kernel: #0 0xffffffff80b3d5b7 at kdb_backtrace+0x67
Jul 29 22:39:20 brainpad kernel: #1 0xffffffff80af6b57 at vpanic+0x177
Jul 29 22:39:20 brainpad kernel: #2 0xffffffff80af69d3 at panic+0x43
Jul 29 22:39:20 brainpad kernel: #3 0xffffffff80f7827f at trap_fatal+0x35f
Jul 29 22:39:20 brainpad kernel: #4 0xffffffff80f782d9 at trap_pfault+0x49
Jul 29 22:39:20 brainpad kernel: #5 0xffffffff80f77aa7 at trap+0x2c7
Jul 29 22:39:20 brainpad kernel: #6 0xffffffff80f5810c at calltrap+0x8
Jul 29 22:39:20 brainpad kernel: #7 0xffffffff8249c51e at
i915_ggtt_probe_hw+0x3e
Jul 29 22:39:20 brainpad kernel: #8 0xffffffff82486c78 at
i915_driver_load+0x11b8
Jul 29 22:39:20 brainpad kernel: #9 0xffffffff82600f45 at
linux_pci_attach+0x405
Jul 29 22:39:20 brainpad kernel: #10 0xffffffff80b2fce8 at device_attach+0x3b8
Jul 29 22:39:20 brainpad kernel: #11 0xffffffff80b314d9 at
bus_generic_driver_added+0x89
Jul 29 22:39:20 brainpad kernel: #12 0xffffffff80b2d9da at
devclass_driver_added+0x7a
Jul 29 22:39:20 brainpad kernel: #13 0xffffffff80b2d945 at
devclass_add_driver+0x135
Jul 29 22:39:20 brainpad kernel: #14 0xffffffff8260099b at
_linux_pci_register_driver+0xcb
Jul 29 22:39:20 brainpad kernel: #15 0xffffffff80aca0cf at
linker_load_module+0xb3f
Jul 29 22:39:20 brainpad kernel: #16 0xffffffff80acb8c1 at kern_kldload+0xc1
Jul 29 22:39:20 brainpad kernel: #17 0xffffffff80acb9db at sys_kldload+0x5b

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