[Cbe-oss-dev] 2.6.26-rc6 kernel bug on PS3?

[Stefan Wald]

Hi,
I think we have a kernel bug here... running a multimedia app with about 20
spe contexts.
Application hangs after a while defunct and dmesg output looks like d.txt.
(See attached file: d.txt)
top - 19:48:29 up  1:26,  2 users,  load average: 8.01, 7.69, 5.74
Tasks:  87 total,   1 running,  85 sleeping,   0 stopped,   1 zombie
Cpu(s):  0.2%us, 50.2%sy,  0.0%ni, 48.8%id,  0.3%wa,  0.3%hi,  0.2%si,
0.0%st
Mem:    215212k total,   212880k used,     2332k free,     8404k buffers
Swap:        0k total,        0k used,        0k free,    65476k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 7778 root      20   0     0    0    0 Z  100  0.0  19:59.55
powerpc-linux-6 <defunct>
 7877 root      20   0  2940 1120  916 R    1  0.5   0:03.94 top
    1 root      20   0  2708  772  672 S    0  0.4   0:01.08 init
    2 root      15  -5     0    0    0 S    0  0.0   0:00.00 kthreadd
    3 root      RT  -5     0    0    0 S    0  0.0   0:00.01 migration/0
    4 root      15  -5     0    0    0 S    0  0.0   0:08.35 ksoftirqd/0
    5 root      RT  -5     0    0    0 S    0  0.0   0:00.14 watchdog/0
    6 root      RT  -5     0    0    0 S    0  0.0   0:00.04 migration/1
    7 root      15  -5     0    0    0 S    0  0.0   0:04.56 ksoftirqd/1
    8 root      RT  -5     0    0    0 S    0  0.0   0:00.02 watchdog/1
    9 root      15  -5     0    0    0 S    0  0.0   0:00.38 events/0
   10 root      15  -5     0    0    0 S    0  0.0   0:00.42 events/1
   11 root      15  -5     0    0    0 S    0  0.0   0:00.02 khelper
   30 root      15  -5     0    0    0 S    0  0.0   0:06.80 kswapd0
   62 root      15  -5     0    0    0 S    0  0.0   0:02.12 kblockd/0
   63 root      15  -5     0    0    0 S    0  0.0   0:01.65 kblockd/1
   89 root      15  -5     0    0    0 S    0  0.0   0:00.09 spusched
   90 root      15  -5     0    0    0 S    0  0.0   0:00.00 ps3-probe-5
   93 root      15  -5     0    0    0 S    0  0.0   0:00.00 ps3avd
  109 root      20   0     0    0    0 S    0  0.0   0:00.21 pdflush
  110 root      20   0     0    0    0 S    0  0.0   0:00.29 pdflush
  111 root      15  -5     0    0    0 S    0  0.0   0:00.00 aio/0
  112 root      15  -5     0    0    0 S    0  0.0   0:00.00 aio/1
  113 root      15  -5     0    0    0 S    0  0.0   0:00.00 nfsiod
  118 root      15  -5     0    0    0 S    0  0.0   0:32.48 ps3fb
  271 root      15  -5     0    0    0 S    0  0.0   0:00.00 gelic_cmd
  272 root      15  -5     0    0    0 S    0  0.0   0:00.00 gelic_event
  278 root      15  -5     0    0    0 S    0  0.0   0:00.01 mtdblockd

Any help/patch?
Thanks.

Stefan
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