Re: nfsd oops with 2.6.5-rc2-mm4

[Frank Denis]

Frank Denis wrote:
> I reverted to 2.6.2-rc2-mm3, the server didn't crash after 6 hours. 
> Crossing fingers...

Pointless.

2.6.2-rc2-mm3 just crashed the same way.


Unable to handle kernel NULL pointer dereference at virtual address 00000004
 printing eip:
c029fb79
*pde = 00000000
Oops: 0002 [#1]
SMP
CPU:    0
EIP:    0060:[<c029fb79>]    Not tainted VLI
EFLAGS: 00010287   (2.6.5-rc2-mm3)
EIP is at do_tcp_sendpages+0x197/0xa79
eax: f5b75108   ebx: f42c0980   ecx: 00000008   edx: 00000000
esi: 00000001   edi: f5b75100   ebp: f61bddec   esp: f62c5e34
ds: 007b   es: 007b   ss: 0068
Process nfsd (pid: 3325, threadinfo=f62c5000 task=f7727670)
Stack: 000000d0 000000d0 f62c5e60 00000000 15270000 c01e6991 f5b75110 
f61bdc64
       00000008 00000000 00000000 00000000 000005b4 00007530 00000000 
f61bdc00
       00000008 00000000 c02a04e3 f61bdc00 f62c5eac 00000000 00000008 
00000000
Call Trace:
 [<c01e6991>] nfsd_readdir+0x69/0xe8
 [<c02a04e3>] tcp_sendpage+0x88/0x96
 [<c02d8ccd>] svc_sendto+0x16a/0x29e
 [<c01ecfd9>] encode_post_op_attr+0x1c9/0x241
 [<c02d9d39>] svc_tcp_sendto+0x53/0xa8
 [<c02da4f1>] svc_send+0xb9/0xfc
 [<c02dc17c>] svcauth_unix_release+0x57/0x59
 [<c02d8189>] svc_process+0x184/0x60e
 [<c02e2d9c>] common_interrupt+0x18/0x20
 [<c01e0ce9>] nfsd+0x1ea/0x3b6
 [<c01e0aff>] nfsd+0x0/0x3b6
 [<c0104e01>] kernel_thread_helper+0x5/0xb
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