No, it's the previous commit on the branch you need (hack around bi_idx...)

On Mon, Sep 3, 2012 at 4:28 AM, James Harper
<[email protected]> wrote:
>>
>> > Hmm.
>> >
>> > If it's related to lvm snapshots, there's a workaround I just added to
>> > the
>> > bcache-3.2 branch - I'd give that a try, looks plausible from your log.
>> >
>>
>> Is that the default writeback_percent = 10 in commit
>> 113740372e2244951fb34235b30a2ac646a5d8c2?
>>
>> Can I effect the same change by "echo 10 >writeback_percent"? If so then it
>> would save the hassle of a rebuild just to test. I assume it's sleep time in 
>> your
>> timezone at the moment so I'll test it anyway and let you know - it was 
>> failing
>> pretty consistently, within 30 seconds of starting my restore job.
>>
>
> Setting writeback_percent=10 manually resulted in no change - crash still 
> occurred within a few minutes of the restore job starting.
>
> Deleting the snapshot and running on the original LV resulted in no problems, 
> so it's definitely snapshot related.
>
> James
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