From: Eric Biggers <ebiggers3@gmail.com>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Theodore Ts'o <tytso@mit.edu>, Eryu Guan <eguan@redhat.com>,
Josef Bacik <jbacik@fb.com>,
fstests@vger.kernel.org
Subject: Re: [PATCH] kvm-xfstests: use aio=native for test drives
Date: Sun, 17 Sep 2017 10:08:28 -0700 [thread overview]
Message-ID: <20170917170828.GA564@zzz.localdomain> (raw)
In-Reply-To: <1504527328-24615-1-git-send-email-amir73il@gmail.com>
On Mon, Sep 04, 2017 at 03:15:28PM +0300, Amir Goldstein wrote:
> Lost IOs have been observed with the default aio=threads with
> QEMU 2.5.0 when running crash consistency tests.
> The issue has not been observed with QEMU 2.9.0.
> Native AIO is probably better for our goal which is test proofing
> production systems.
>
> Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Just for reference, if you don't have CONFIG_AIO enabled in your kernel, QEMU
will segfault when passed aio=native (rather than falling back to aio=threads as
expected). I guess that will need to be fixed as well...
Eric
prev parent reply other threads:[~2017-09-17 17:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-04 12:15 [PATCH] kvm-xfstests: use aio=native for test drives Amir Goldstein
2017-09-04 15:55 ` Darrick J. Wong
2017-09-04 17:11 ` Amir Goldstein
2017-09-04 17:32 ` Darrick J. Wong
2017-09-17 17:08 ` Eric Biggers [this message]
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