Comment # 1 on bug 1061214 from Rich Coe

After trying to reproduce this on a second system and failing, tried again on
main host and it's still happening.  This is going to be hard to debug.

Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 000c data
80000e04
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 02000000 []
ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0020 data 00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0030 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0034 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0038 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 003c data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0040 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0044 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0048 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 004c data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0054 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0058 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 005c data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 9 [003f93c000 WebKitWebProces[25182]] subc 0 mthd 0060 data
00000000
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: read fault at
0000000000 engine 07 [PFIFO] client 07 [BAR_READ] reason 02 [PAGE_NOT_PRESENT]
on channel 9 [003f93c000 WebKitWebProces[25182]]
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: fifo: fifo engine fault on
channel 9, recovering...
Oct 07 07:05:18 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
channel 9 killed!
Oct 07 07:05:25 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:25 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:25 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:25 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:25 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:26 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:26 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16
Oct 07 07:05:26 mothra kernel: nouveau 0000:01:00.0: WebKitWebProces[25182]:
nv50cal_space: -16