[sheepdog] [PATCH v2 0/3] sheep: writeback cache semantics in backend store

[Liu Yuan]

On 09/03/2012 03:08 PM, Hitoshi Mitake wrote:
> 
> BTW, I have two questions.
> 
> How many iteration did it take to produce this segfault?
> It seems that reproducing this segfault is hard, it happens rarely on my
> environment.
> 

Less than 10 times, but it depends, what I am sure is I can get the seg
fault when some time elapse.

> Did you modify test scripts

No.

> If you didn't, it means that this segfault can happen when
> sys->store_writeback == 0. This will be helpful information for debugging.

Yes, this script won't run the code path of your patch set introduce, I
am also wondering how it happen. But without your patch set, I can't
reproduce the seg fault problem.

Thanks,
Yuan