Description of problem: System frozen (just sysrq keys were available) with following errors: kernel: [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: DMA_VTX_PROTECTION nstatus: PROTECTION_FAULT [drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0010f000) subc 7 class 0x4097 mthd 0x1824 data 0xff0005da Xorg: [mi] EQ overflowing. The server is probably stuck in an infinite loop. How reproducible: I have similar periodic issues [1], but I don't remember exactly this protection error. All of them haven't stable reproduction scenario. X version: xorg-x11-server-common-1.11.4-2.fc16.x86_64 xorg-x11-drv-nouveau-0.0.16-27.20110720gitb806e3f.fc16.x86_64 kernel version: 3.3.0-4.fc16.x86_64 #1 SMP Tue Mar 20 18:05:40 UTC 2012 x86_64 x86_64 x86_64 Part of /var/log/messages and Xorg log are attached. drm.debug = 0x04, xorg logverbose = 7. xorg.conf is absent, however some keyboard and mouse configuration files are present. [1] https://bugzilla.redhat.com/show_bug.cgi?id=742657#c19 Similar issues: https://bugzilla.redhat.com/show_bug.cgi?id=678290 https://bugzilla.redhat.com/show_bug.cgi?id=713683 https://bugzilla.redhat.com/show_bug.cgi?id=772399
Created attachment 573760 [details] /var/log/messages
Created attachment 573761 [details] xorg log
Just in case: traces by sound subsystem in messages file is just debug enabled explicitly.
Happened again. /var/log/messages contains no related information. Xorg log: [ 102.993] (II) NOUVEAU(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz) [ 23458.415] [mi] EQ overflowing. The server is probably stuck in an infinite loop. [ 23458.417] Backtrace: [ 23458.479] 0: /usr/bin/X (xorg_backtrace+0x2f) [0x462dff] [ 23458.480] 1: /usr/bin/X (mieqEnqueue+0x17d) [0x55784d] [ 23458.480] 2: /usr/bin/X (0x400000+0x46de3) [0x446de3] [ 23458.480] 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7f0ee5abb000+0x54f9) [0x7f0ee5ac04f9] [ 23458.480] 4: /usr/bin/X (0x400000+0x7f328) [0x47f328] [ 23458.480] 5: /usr/bin/X (0x400000+0xa4bab) [0x4a4bab] [ 23458.480] 6: /lib64/libpthread.so.0 (0x37ef600000+0xf500) [0x37ef60f500] [ 23458.480] 7: /lib64/libc.so.6 (ioctl+0x7) [0x37eeee9ce7] [ 23458.480] 8: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x3803603488] [ 23458.480] 9: /usr/lib64/libdrm.so.2 (drmCommandWrite+0x1b) [0x38036055ab] [ 23458.480] 10: /usr/lib64/libdrm_nouveau.so.1 (0x7f0ee7733000+0x2f37) [0x7f0ee7735f37] [ 23458.480] 11: /usr/lib64/libdrm_nouveau.so.1 (nouveau_bo_map_range+0x109) [0x7f0ee7736559] [ 23458.480] 12: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (0x7f0ee7939000+0x74a3) [0x7f0ee79404a3] [ 23458.480] 13: /usr/lib64/xorg/modules/libexa.so (0x7f0ee6ce7000+0x4978) [0x7f0ee6ceb978] [ 23458.480] 14: /usr/lib64/xorg/modules/libexa.so (0x7f0ee6ce7000+0x7cd3) [0x7f0ee6ceecd3] [ 23458.480] 15: /usr/lib64/xorg/modules/libexa.so (0x7f0ee6ce7000+0x11caf) [0x7f0ee6cf8caf] [ 23458.480] 16: /usr/lib64/xorg/modules/libexa.so (0x7f0ee6ce7000+0xe783) [0x7f0ee6cf5783] [ 23458.480] 17: /usr/bin/X (0x400000+0x10788d) [0x50788d] [ 23458.481] 18: /usr/bin/X (0x400000+0x100175) [0x500175] [ 23458.481] 19: /usr/bin/X (0x400000+0x33b01) [0x433b01] [ 23458.481] 20: /usr/bin/X (0x400000+0x22e15) [0x422e15] [ 23458.481] 21: /lib64/libc.so.6 (__libc_start_main+0xed) [0x37eee2169d] [ 23458.481] 22: /usr/bin/X (0x400000+0x23101) [0x423101]
And again. /var/log/messages still silent, X log is almost equal to previous: [ 137.884] (II) NOUVEAU(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz) [ 3010.252] [mi] EQ overflowing. The server is probably stuck in an infinite loop. [ 3010.253] Backtrace: [ 3010.264] 0: /usr/bin/X (xorg_backtrace+0x2f) [0x462dff] [ 3010.265] 1: /usr/bin/X (mieqEnqueue+0x17d) [0x55784d] [ 3010.265] 2: /usr/bin/X (0x400000+0x46de3) [0x446de3] [ 3010.265] 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7f334372d000+0x54f9) [0x7f33437324f9] [ 3010.265] 4: /usr/bin/X (0x400000+0x7f328) [0x47f328] [ 3010.265] 5: /usr/bin/X (0x400000+0xa4bab) [0x4a4bab] [ 3010.265] 6: /lib64/libpthread.so.0 (0x37ef600000+0xf500) [0x37ef60f500] [ 3010.265] 7: /lib64/libc.so.6 (ioctl+0x7) [0x37eeee9ce7] [ 3010.265] 8: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x3803603488] [ 3010.265] 9: /usr/lib64/libdrm.so.2 (drmCommandWrite+0x1b) [0x38036055ab] [ 3010.265] 10: /usr/lib64/libdrm_nouveau.so.1 (0x7f334690b000+0x2f37) [0x7f334690df37] [ 3010.265] 11: /usr/lib64/libdrm_nouveau.so.1 (nouveau_bo_map_range+0x109) [0x7f334690e559] [ 3010.266] 12: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (0x7f3346b11000+0x5e6e) [0x7f3346b16e6e] [ 3010.266] 13: /usr/lib64/xorg/modules/libexa.so (0x7f3345ebf000+0x9ba4) [0x7f3345ec8ba4] [ 3010.266] 14: /usr/lib64/xorg/modules/libexa.so (0x7f3345ebf000+0x9cca) [0x7f3345ec8cca] [ 3010.266] 15: /usr/bin/X (miCopyRegion+0x16a) [0x555d0a] [ 3010.266] 16: /usr/bin/X (miDoCopy+0x34d) [0x5561ad] [ 3010.266] 17: /usr/lib64/xorg/modules/libexa.so (0x7f3345ebf000+0x835f) [0x7f3345ec735f] [ 3010.266] 18: /usr/bin/X (0x400000+0x10a817) [0x50a817] [ 3010.266] 19: /usr/bin/X (0x400000+0xdbf63) [0x4dbf63] [ 3010.266] 20: /usr/bin/X (0x400000+0xdd4b5) [0x4dd4b5] [ 3010.266] 21: /usr/bin/X (0x400000+0x33b01) [0x433b01] [ 3010.266] 22: /usr/bin/X (0x400000+0x22e15) [0x422e15] [ 3010.266] 23: /lib64/libc.so.6 (__libc_start_main+0xed) [0x37eee2169d] [ 3010.266] 24: /usr/bin/X (0x400000+0x23101) [0x423101]
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