Re: Oops at xfs_bmbt_get_startoff in SLES 10 2.6.16

[Eric Sandeen <sandeen@sandeen.net>]

Felix Blyakher wrote:
> On Apr 21, 2009, at 9:16 PM, Eric Sandeen wrote:
> 
>> Kevin Jamieson wrote:
>>> On Thu, March 12, 2009 4:13 pm, Kevin Jamieson wrote:
>>>> On Thu, March 12, 2009 12:23 pm, Eric Sandeen wrote:
>>>>
>>>>> For SLES that usually is the best route...
>>>>>
>>>>> However, http://oss.sgi.com/archives/xfs/2009-02/msg00220.html  
>>>>> looks
>>>>> applicable... don't think it ever got merged though.
>>>>>
>>>>> perhaps you could test it?
>>>> Thanks, Eric. I will test Lachlan's patch on our system.
>>> To follow this up, since applying the patch from the above thread  
>>> there
>>> have been no re-occurrences of the issue on our test servers over  
>>> the past
>>> month.
>> And you hit it pretty reliably before, right?  Sounds like we need to
>> give that a pretty strong eyeball and get it merged, perhaps.
> 
> I was looking at this patch too.
> But I could never reproduce the problem, even with Lachlan's test
> program. Kevin, any idea what kind of io load triggered this problem?
> The patch looks right, but I really want to prove the problem
> exists, and the patch addresses it.
> 
> Felix
> 

FWIW I can't reproduce either, with the stated commandline.

Should try it with a 1k blocksize, though - maybe Lachlan tested 4k on
16k page ia64?

-Eric

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