Re: 2.6.1 IO lockup on SMP systems

[Andrew Morton]

Marcelo Tosatti <marcelo.tosatti@xxxxxxxxxxxx> wrote:
>
>  > Also, run
>  >
>  > 	while true
>  > 	do
>  > 		cat /proc/meminfo
>  > 		sleep 10
>  > 	done
>  >
>  > and record the info which that leaves behind when the machine locks up.
>  > This should tell us whether it is an application or kernel memory leak.  If
>  > it is indeed a leak.
> 
>  Hi Andrew,
> 
>  Care to explain me why should the kernel hang if due to an application
>  leak ?

It shouldn't - the oom killer should have done something.  But we'll
address that once we've confirmed that something really is leaking.

>  The hang looks wrong even if the leak is in userspace app, yes?

Probably, yes.
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