From: Jens Axboe <axboe@kernel.dk>
To: scameron@beardog.cce.hp.com
Cc: fio@vger.kernel.org
Subject: Re: fio crash when using verify
Date: Fri, 25 Jul 2014 15:16:42 +0200 [thread overview]
Message-ID: <53D258BA.2080000@kernel.dk> (raw)
In-Reply-To: <20140725130911.GL14599@beardog.cce.hp.com>
On 2014-07-25 15:09, scameron@beardog.cce.hp.com wrote:
> On Wed, Jul 23, 2014 at 04:23:45PM +0200, Jens Axboe wrote:
>> On 2014-07-23 16:22, scameron@beardog.cce.hp.com wrote:
>>> On Wed, Jul 23, 2014 at 12:10:09PM +0200, Jens Axboe wrote:
>>>> On 2014-07-22 22:59, scameron@beardog.cce.hp.com wrote:
>>>>>
>>>>> Hi Jens,
>>>>>
>>>>> I'm running into a crash with fio today, seems to be easily reproducible.
>>>>>
>>>>> [root@msablackburn saperf]# fio --version
>>>>> fio-2.1.11-2-g90811
>>>>>
>>>>> (top of current git tree.)
>>>>>
>>>>>
>>>>> [root@msablackburn saperf]# fio ./2drive_sdr_verify.fio
>>>>> 4_KiB_RR_drive_r: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K,
>>>>> ioengine=libaio, iodepth=170
>>>>> 4_KiB_RR_drive_s: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K,
>>>>> ioengine=libaio, iodepth=170
>>>>> fio-2.1.11-2-g90811
>>>>> Starting 2 threads
>>>>> fio: io_u.c:1315: __get_io_u: Assertion `io_u->flags & IO_U_F_FREE'
>>>>> failed.a 58m:59s]
>>>>> Aborted (core dumped)
>>>>
>>>> Looks like there's a long standing race in the async verification. Does
>>>> this patch fix it for you?
>>>
>>> So far so good. Been running for about 30 minutes now when previously it
>>> would crash within a minute or two.
>>
>> Good, that's a lot better... The fix has been committed, btw, that's how
>> much confidence I have in my fixes ;-)
>>
>> Let me know how it goes when it has run longer.
>
> Seems to be holding up. I have now run this overnight a couple times without issue.
Great, thanks Steve.
--
Jens Axboe
prev parent reply other threads:[~2014-07-25 13:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 20:59 fio crash when using verify scameron
2014-07-23 10:10 ` Jens Axboe
2014-07-23 14:22 ` scameron
2014-07-23 14:23 ` Jens Axboe
2014-07-25 13:09 ` scameron
2014-07-25 13:16 ` Jens Axboe [this message]
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