Re: fio problems

[Danny Kukawka <dkukawka@suse.de>]

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Am 04.04.2012 22:15, schrieb Jens Axboe:
> On 2012-04-04 13:50, Jens Axboe wrote:
>>> 2) fio 2.0.6 and also the current git tends to fail with this error:
> 
>>>    fio 2.0.6
>>>    Starting 1 process
>>>    fio: iolog.c:242: log_io_piece: Assertion `ipo->len == __ipo->len'
>>>    failed.:08m:31s]
> 
>>> It seems that we can prevent it when we use the --size parameter, but we
>>> would like to prevent the usage of the parameter, if possible
> 
>> Strangely, I had two reports of this today. Did a bit of digging, and
>> it's due to this commit:
> 
>> commit c04e4661e4da3b6079f415897e4507cf8e610c54
>> Author: Daniel Ehrenberg <dehrenberg@google.com>
>> Date:   Fri Mar 16 18:54:15 2012 +0100
> 
>>     time_based: Avoid restarting main I/O loop
> 
>> I think what is going on here is that your job is time based, and when
>> we fail getting a new offset, we clear the offset bitmap. But we could
>> have verifies pending at this point, we'd need to prune this out as
>> well.
> 
> Actually, since it happens so rarely, I think the better approach is
> just to ignore it. I've updated fio to reflect that.

Btw. I can suppress the error if I add --size with a high number e.g.
--size=1p.

Danny
-- 
Danny Kukawka
 SUSE LINUX Products GmbH
  Maxfeldstrasse 5, D-90409 Nuremberg, Germany
  GF: Jeff Hawn,Jennifer Guild,Felix Imendörffer,HRB16746 (AG Nürnberg)




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