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From: Paolo Bonzini <pbonzini@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>,
	Fam Zheng <famz@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, qemu-devel <qemu-devel@nongnu.org>,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] "iothread: release iothread around aio_poll" causes random hangs at startup
Date: Thu, 16 Jul 2015 13:37:04 +0200	[thread overview]
Message-ID: <55A79760.8060202@redhat.com> (raw)
In-Reply-To: <55A79463.5070704@de.ibm.com>



On 16/07/2015 13:24, Christian Borntraeger wrote:
> The interesting part is that this problem required 2 or more disk
> (and we replace drain_all with single drains) so it somewhat sounds
> plausible.

Yes, indeed.  It is very plausible.  I wanted to reproduce it these
days, so thanks for saving me a lot of time!  I'll test your exact setup
(master + AioContext fix + cherry-pick of a0710f7995f + revert of
53ec73e26).

Thanks,

Paolo

      reply	other threads:[~2015-07-16 11:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-02 14:36 [Qemu-devel] "iothread: release iothread around aio_poll" causes random hangs at startup Christian Borntraeger
2015-06-02 14:51 ` Paolo Bonzini
2015-06-03  9:17   ` Stefan Hajnoczi
2015-06-09  2:28 ` Fam Zheng
2015-06-09  9:01   ` Christian Borntraeger
2015-06-10  2:12     ` Fam Zheng
2015-06-10  9:18       ` Christian Borntraeger
2015-06-10  9:34         ` Fam Zheng
2015-06-10 10:31           ` Christian Borntraeger
2015-07-16 11:03           ` Christian Borntraeger
2015-07-16 11:20             ` Paolo Bonzini
2015-07-16 11:24               ` Christian Borntraeger
2015-07-16 11:37                 ` Paolo Bonzini [this message]

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