[Crash-utility] [PATCH 1/1] CFS runqueue loop detection

[David Mair]

On 02/01/2012 02:34 PM, Dave Anderson wrote:
>
> ----- Original Message -----
>>
>> ----- Original Message -----
>>> Here is a patch against crash v6.0.2 that adds duplicate node detection
>>> per-CPU for the CFS runqueue display in dump_CFS_runqueues() for the
>>> runq command.
>>>
>>> This resolves the failure to bail-out of the unending looping display I
>>> get with the crash dump I have that has a corrupted CFS runqueue
>>> containing a loop.
>>>
>>> Signed-off-by: David Mair<dmair at suse.com>
>>> ---
>> That was quick!
>>
>> I'm going to have to re-work this patch slightly because of the queued
>> changes for crash-6.0.3 that are based upon Daisuke's runq patch:
>>
>>    [Crash-utility] [PATCH] runq: search current task's runqueue explicitly
>>    https://www.redhat.com/archives/crash-utility/2012-January/msg00009.html
>>
> Dave,
>
> On second thought, I'd rather have you update your patch accordingly, and
> then test with your dumpfile to make sure it works as planned.
>
> Can you do this:
>
>    $ wget http://people.redhat.com/anderson/crash.tar.gz
>
> Then go into any top-level crash utility source directory, and do this:
>
>    $ tar xvzmf /path/to/crash.tar.gz
>
> which will overwrite everything -- just "make" to rebuild with all
> the queued crash-6.0.3 changes to date.
>
> Then re-do your patch to task.c, test it, and re-post it.

Dave,

I've got a patch prepared but I can't test it until my morning tomorrow 
(02/02) so I'll post it then. I'm sorry for the delay.

-- 
David Mair
SUSE Linux