On 14.09.2016 13:31 Dan Kennedy wrote:
> On 09/14/2016 06:05 PM, Martin Raiber wrote:
>> there have been three reports by users using my software of SQLite
>> 3.12.0 returning SQLITE_IOERR and logging a SQLITE_IOERR_SHORT_READ
>> (522). Specifically:
>>
>> 2016-09-12 04:37:04: WARNING: SQLite: disk I/O error errorcode: 522
>> 2016-09-12 04:37:04: ERROR: Error preparing Query [PRAGMA cache_size =
>> -2048]: disk I/O error
>>
>> One instance was on FreeBSD where I thought it could be caused by ZFS.
>> The other two instances are on Linux now. On FreeBSD the issue was
>> "fixed" by repeating the prepare after it failed with an IO-error.
>>
>> One user has captured an strace. I cannot actually see the short read,
>> though: https://forums.urbackup.org/t/urbackup-crashing/2402/8
>
> Can't see the write() calls used to write the "WARNING" or "ERROR"
> messages either. Should we expect to?

Yes, hope the user manages to capture a proper one. Sorry.

>
> This trace might be an unrelated crash.
>
> I think strace data would be helpful though.
>
> Dan.
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