SMP kernel oops

SMP kernel oops

[Usman Wahid]

Hi,
two of our smp linux web servers (2.2.12smp) were
running fine for about a year until a month back. now
they crash randomly from a week to a couple of days
giving wait_on_bh oops. that can happen during both
busy and not so busy times. following is the message
we receive,
wait_on_bh, CPU 0: 
irq: 0 [0 0] 
bh: 1 [0 1] 
<[c010a385] [c016881e] [c0162e6b] [c0163108]
[c016f91e] [c01533cb] 
[c01537c5] [c012611d]

and the mapping
c010a385: synchronize_bh 
c016881e: tcp_v4_unhash 
c0162e6b: tcp_close_state 
c0163108: tcp_close 
c016f91e: inet_release 
c01533cb: sock_release 
c01537c5: sock_close 
c012611d: __fput

appreciate any help,

regards,
saans

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Re: SMP kernel oops

[Matthew Gardiner]

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 8/2/01, 2:49:18 PM, Usman Wahid <mswahid@yahoo.com> wrote regarding SMP 
kernel oops:


> Hi,
> two of our smp linux web servers (2.2.12smp) were
> running fine for about a year until a month back. now
> they crash randomly from a week to a couple of days
> giving wait_on_bh oops. that can happen during both
> busy and not so busy times. following is the message
> we receive,
> wait_on_bh, CPU 0:
> irq: 0 [0 0]
> bh: 1 [0 1]
> <[c010a385] [c016881e] [c0162e6b] [c0163108]
> [c016f91e] [c01533cb]
> [c01537c5] [c012611d]

> and the mapping
> c010a385: synchronize_bh
> c016881e: tcp_v4_unhash
> c0162e6b: tcp_close_state
> c0163108: tcp_close
> c016f91e: inet_release
> c01533cb: sock_release
> c01537c5: sock_close
> c012611d: __fput

> appreciate any help,

> regards,
> saans

You may actually want upgrade that kernel, as most likely this error has 
already been addressed by later kernel releases.

Matthew Gardiner

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