From: Fam Zheng <famz@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] Revert "iothread: release iothread around aio_poll"
Date: Thu, 4 Jun 2015 09:56:23 +0800 [thread overview]
Message-ID: <20150604015623.GC3948@ad.nay.redhat.com> (raw)
In-Reply-To: <1433323815-15841-1-git-send-email-stefanha@redhat.com>
On Wed, 06/03 10:30, Stefan Hajnoczi wrote:
> This reverts commit a0710f7995f914e3044e5899bd8ff6c43c62f916.
>
> In qemu-devel email message <556DBF87.2020908@de.ibm.com>, Christian
> Borntraeger writes:
>
> Having many guests all with a kernel/ramdisk (via -kernel) and
> several null block devices will result in hangs. All hanging
> guests are in partition detection code waiting for an I/O to return
> so very early maybe even the first I/O.
>
> Reverting that commit "fixes" the hangs.
>
> Reverting this commit for the 2.4 release. More time is needed to
> investigate and correct this patch.
>
> Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
prev parent reply other threads:[~2015-06-04 1:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-03 9:30 [Qemu-devel] [PATCH] Revert "iothread: release iothread around aio_poll" Stefan Hajnoczi
2015-06-04 1:56 ` Fam Zheng [this message]
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