[BUG] 2.6.10-rc3 snd-powermac crash

From: Benjamin Herrenschmidt
Date: Sat Dec 18 2004 - 12:10:41 EST

Hi Takashi !

I get that regulary with latest kernel when using Alsa. Can't tell if it's new
as I used dmasound so far, just wanted to give Alsa a try...


Oops: kernel access of bad area, sig: 11 [#1]
NIP: 00000000 LR: C278B664 SP: BA901DB0 REGS: ba901d00 TRAP: 0400 Not tainted
MSR: 40009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK = bf4ef2a0[4821] 'gtkpbbuttons' THREAD: ba900000
Last syscall: 4
GPR00: 00000000 BA901DB0 BF4EF2A0 C2231000 00000FD7 00000000 00000000 C2550000
GPR08: C2231000 C2550000 00000001 00000000 00000001 1002317C 100C0000 100A0000
GPR16: 00000000 0022E480 00004002 00000000 00000000 00000800 BF384460 BB52A260
GPR24: 00000000 00000FD8 00000000 00000000 BAAE36AC BAAE3690 BAAE3620 00000800
NIP [00000000] 0x0
LR [c278b664] rate_transfer+0x80/0x88 [snd_pcm_oss]
Call trace:
[c278b664] rate_transfer+0x80/0x88 [snd_pcm_oss]
[c278853c] snd_pcm_plug_write_transfer+0xd4/0x14c [snd_pcm_oss]
[c2783520] snd_pcm_oss_write2+0xb0/0x128 [snd_pcm_oss]
[c27837b8] snd_pcm_oss_write1+0x220/0x26c [snd_pcm_oss]
[c2785fec] snd_pcm_oss_write+0x64/0xb4 [snd_pcm_oss]
[8005c620] vfs_write+0xdc/0x128
[8005c750] sys_write+0x50/0x94
[800042e0] ret_from_syscall+0x0/0x44

Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

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