Re: list corruption in IPOIB

[Jack Wang <jinpu.wang-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>]

On 2013年05月20日 21:50, Or Gerlitz wrote:
> On Mon, May 20, 2013 at 10:38 PM, Jack Wang <jinpu.wang@profitbricks.com> wrote:
>>
>> The bug in our production environment is introduced in our backport
>> about ipoib fixes from mainline, and when we hit that bug we reverted
>> back to old kernel without the backport patch, and the bug didn't happen for now.
>>
>> This list_del_init patch do fix list corruption warning, but it's not the one we hit in production, the list corruption is reproduced in our test setup with bug injection patch && iperf -P 50 && mode switch.
>>
>> Is this clear for you now?
> 
> 
> NO, you say that the list_del_init patch eliminates the "list
> corruption warning", does the "list corruption" is still reproduced in
> your test setup even when  the patch is applied?! what's the trace?
> and what is the trace you see in your production when using kernel X
> (which?) patches with commit Y (which?)
> 
> Or.
> 

No, the list_del_init fixed the list corruption warning, no list
corruption anymore.

The trace is in my earlier mail in this thread.

Jack



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