From: Jens Axboe <axboe@kernel.dk>
To: Lev Serebryakov <lev@serebryakov.spb.ru>
Cc: fio@vger.kernel.org
Subject: Re: fio-2.0.14 crashes with "Assertion failed: (data->fail_ok), function axmap_set_fn, file lib/axmap.c, line 233."
Date: Thu, 7 Mar 2013 12:37:43 +0100 [thread overview]
Message-ID: <20130307113743.GL1059@kernel.dk> (raw)
In-Reply-To: <1404460263.20130306190819@serebryakov.spb.ru>
On Wed, Mar 06 2013, Lev Serebryakov wrote:
> Hello, Fio.
>
> FreeBSD 9.1-STABLE, dual-core machine with 6GiB of physical RAM, job
> file with 8 jobs with filesize=1G-2G (attached).
>
> fio --latency-log --bandwidth-log torrent-like.fio
>
> crashes after file layout:
>
> file-1: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-2: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-3: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-4: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-5: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-6: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-7: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> file-8: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
> fio-2.0.14
> Starting 8 threads
> file-1: Laying out IO file(s) (1 file(s) / 1910MB)
> file-2: Laying out IO file(s) (1 file(s) / 1910MB)
> file-3: Laying out IO file(s) (1 file(s) / 1910MB)
> file-4: Laying out IO file(s) (1 file(s) / 1910MB)
> file-5: Laying out IO file(s) (1 file(s) / 1910MB)
> file-6: Laying out IO file(s) (1 file(s) / 1910MB)
> file-7: Laying out IO file(s) (1 file(s) / 1910MB)
> file-8: Laying out IO file(s) (1 file(s) / 1910MB)
> Assertion failed: (data->fail_ok), function axmap_set_fn, file lib/axmap.c, line 233.
I've noticed that you used bs= and gave a range, that wont work. Fio
should fail to parse that, but alas, it does not and you get this:
file-8: (g=0): rw=randrw, bs=64-64/128K-128K/128K-128K, ioengine=psync, iodepth=1
which is 64b reads, 128K writes, 128K trims. I will look into why this
doesn't fail to parse, but in the mean time, you want to use
bsrange=64k-128k which will do what you intend it to.
--
Jens Axboe
prev parent reply other threads:[~2013-03-07 11:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-06 15:08 fio-2.0.14 crashes with "Assertion failed: (data->fail_ok), function axmap_set_fn, file lib/axmap.c, line 233." Lev Serebryakov
2013-03-07 11:37 ` Jens Axboe [this message]
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