Hi Greg,
I think there's some sort of reference counting problem with sysfs in
2.6.20 kernels. Can you please help us debug it further?
On 3/10/07, Chris Rankin <[EMAIL PROTECTED]> wrote:
It looks like 2.6.20.2 is still doing Bad Things in /sys.
BUG: unable to handle kernel paging request at virtual address 6b6b6d6b
[snip]
EIP: 0060:[<c01300ff>] Not tainted VLI
EFLAGS: 00010202 (2.6.20.2 #1)
EIP is at module_put+0x20/0x52
eax: 6b6b6d6b ebx: 6b6b6b6b ecx: 00000001 edx: e7a01000
esi: edb7e4e4 edi: 6b6b6b6b ebp: e79fd50c esp: e7a01f58
ds: 007b es: 007b ss: 0068
Process udevd (pid: 9656, ti=e7a01000 task=f7a46030 task.ti=e7a01000)
Stack: eba628a0 c0183a1e 00000010 ed570870 e7a641d0 c0151263 00000000 00000000
f7ff2208 ed570870 f745b678 00000000 ed570870 c014eda0 00000003 00000003
f745b678 f745b6f8 c014fd99 00000003 00000007 00000003 e7a01000 c0102bde
Call Trace:
[<c0183a1e>] sysfs_release+0x2d/0x4c
[<c0151263>] __fput+0x96/0x13c
[<c014eda0>] filp_close+0x51/0x58
[<c014fd99>] sys_close+0x70/0xa7
[<c0102bde>] sysenter_past_esp+0x5f/0x85
[<c0270033>] __sched_text_start+0x613/0x971
There's also some previous discussion here:
http://lkml.org/lkml/2007/3/1/114
Pekka
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