Xorg hangs with drmwtq in 7.2-RELEASE

[David Johnson]

On Friday 08 May 2009 03:31:04 pm Robert Noland wrote:
> In order to guess what might be causing this, drm debugging needs to be
> enabled before the hang, so that we can hopefully figure out what leads
> up to the hung GPU.

I'm not able to do that, but I did manage to get debug turned on and dmesg
captured early enough to catch some additional information. I've place the
full file online at http://www.usermode.org/misc/dmesg.txt, but am including
some snippets here. Hopefully this is enough to move forward.

-- 
David Johnson

...
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc0286429, nr=0x29, dev 0xc615fa00, auth=1
[drm:pid1822:radeon_freelist_get] done_age = 102778
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc010644d, nr=0x4d, dev 0xc615fa00, auth=1
[drm:pid1822:radeon_cp_indirect] idx=27 s=0 e=88 d=1
[drm:pid1822:radeon_cp_dispatch_indirect] buf=27 s=0x0 e=0x58
[drm:pid1822:drm_close] open_count = 2
[drm:pid1822:drm_close] pid = 1822, device = 0xc615fa00, open_count = 2
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x80086442, nr=0x42, dev 0xc615fa00, auth=1
[drm:pid1822:radeon_cp_stop] 
[drm:pid1822:radeon_do_cp_flush] 
[drm:pid1822:radeon_do_cp_idle] 
[drm:pid1822:radeon_do_cp_stop] 
[drm:pid1822:radeon_do_engine_reset] 
info: [drm] Num pipes: 1
[drm:pid1822:radeon_do_cp_reset] 
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x800c6459, nr=0x59, dev 0xc615fa00, auth=1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x80086414, nr=0x14, dev 0xc615fa00, auth=1
[drm:pid1822:drm_irq_uninstall] irq=16
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x80546440, nr=0x40, dev 0xc615fa00, auth=1
[drm:pid1822:radeon_do_cleanup_cp] 
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x80086439, nr=0x39, dev 0xc615fa00, auth=1
[drm:pid1822:drm_sg_free] sg free virtual = 0xe8a64000
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x8004667e, nr=0x7e, dev 0xc615fa00, auth=1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x8004667d, nr=0x7d, dev 0xc615fa00, auth=1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc0086421, nr=0x21, dev 0xc615fa00, auth=1
[drm:pid1822:drm_rmctx] 2
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc0086421, nr=0x21, dev 0xc615fa00, auth=1
[drm:pid1822:drm_rmctx] 1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc0086426, nr=0x26, dev 0xc615fa00, auth=1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0xc0086426, nr=0x26, dev 0xc615fa00, auth=1
[drm:pid1822:drm_ioctl] pid=1822, cmd=0x8008642b, nr=0x2b, dev 0xc615fa00, auth=1
[drm:pid1822:drm_unlock] 1 (pid 1822) requests unlock (0x80000001), flags = 0x00000000
[drm:pid1822:drm_close] open_count = 1
[drm:pid1822:drm_close] pid = 1822, device = 0xc615fa00, open_count = 1
[drm:pid1822:drm_lastclose] 
[drm:pid1822:radeon_do_cleanup_cp] 
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
info: [drm] Num pipes: 1
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R500 Microcode
info: [drm] Num pipes: 1
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]
[drm:pid6216:drm_ioctl]     returning 4
[drm:pid6216:drm_ioctl] pid=6216, cmd=0x80046457, nr=0x57, dev 0xc615fa00, auth=1
[drm:pid6216:drm_ioctl]     returning 4
[drm:pid6216:drm_ioctl] pid=6216, cmd=0x80046457, nr=0x57, dev 0xc615fa00, auth=1
[drm:pid6216:drm_ioctl]     returning 4
[drm:pid6216:drm_ioctl] pid=6216, cmd=0x80046457, nr=0x57, dev 0xc615fa00, auth=1
[drm:pid6216:drm_ioctl]     returning 4