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From: Alex Bligh <alex@alex.org.uk>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Alex Bligh <alex@alex.org.uk>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	Jan Beulich <JBeulich@suse.com>,
	Xen Devel <xen-devel@lists.xen.org>
Subject: Re: Fatal crash on xen4.2 HVM + qemu-xen dm + NFS
Date: Wed, 16 Jan 2013 16:00:07 +0000	[thread overview]
Message-ID: <C4F824C8C6438DD2EA963036@Ximines.local> (raw)
In-Reply-To: <F1DF150F7B2469CFD587A2A4@Ximines.local>



--On 16 January 2013 15:06:49 +0000 Alex Bligh <alex@alex.org.uk> wrote:

> If QEMU is completing writes before they've actually been done, haven't
> we got a wider set of problems to worry about?

One such problem would be 'what happens if the guest changes the data
after it has been written'. If I understand Stefano right, dom0
is referencing after the write is being marked as complete

-- 
Alex Bligh

  reply	other threads:[~2013-01-16 16:00 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-14 14:54 Fatal crash on xen4.2 HVM + qemu-xen dm + NFS Alex Bligh
2012-12-17 10:10 ` Jan Beulich
2012-12-17 17:09   ` Alex Bligh
2013-01-16 10:56   ` Alex Bligh
2013-01-16 14:34     ` Stefano Stabellini
2013-01-16 15:06       ` Alex Bligh
2013-01-16 16:00         ` Alex Bligh [this message]
2013-01-16 16:27         ` Stefano Stabellini
2013-01-16 17:13           ` Alex Bligh
2013-01-16 17:33             ` Stefano Stabellini
2013-01-16 17:39               ` Stefano Stabellini
2013-01-16 18:14                 ` Alex Bligh
2013-01-16 18:49                   ` Stefano Stabellini
2013-01-16 19:00                     ` Stefano Stabellini
2013-01-17  7:58                       ` Alex Bligh
2013-01-16 18:12               ` Alex Bligh
2013-01-21 15:15               ` Alex Bligh
2013-01-21 15:23                 ` Ian Campbell
2013-01-21 15:35                   ` Alex Bligh
2013-01-21 15:50                     ` Ian Campbell
2013-01-21 16:33                       ` Alex Bligh
2013-01-21 16:51                         ` Ian Campbell
2013-01-21 17:06                           ` Alex Bligh
2013-01-21 17:29                             ` Ian Campbell
2013-01-21 17:31                           ` Alex Bligh
2013-01-21 17:32                             ` Ian Campbell
2013-01-21 18:14                               ` Alex Bligh
2013-01-22 10:05                                 ` Ian Campbell
2013-01-22 13:02                                   ` Alex Bligh
2013-01-22 13:13                                     ` Ian Campbell
2013-01-21 20:37                           ` Alex Bligh
2013-01-22 10:07                             ` Ian Campbell
2013-01-22 13:01                               ` Alex Bligh
2013-01-22 13:14                                 ` Ian Campbell
2013-01-22 13:18                                   ` Alex Bligh
2013-01-22 10:13                             ` Ian Campbell
2013-01-22 12:59                               ` Alex Bligh
2013-01-22 15:46                                 ` Stefano Stabellini
2013-01-22 15:42                             ` Stefano Stabellini
2013-01-22 16:09                               ` Stefano Stabellini
2013-01-22 20:31                                 ` Alex Bligh
2013-01-23 11:52                                   ` Stefano Stabellini
2013-01-23 15:19                                     ` Alex Bligh
2013-01-23 16:29                                       ` Stefano Stabellini
2013-01-25 11:28                                         ` Alex Bligh
2013-02-05 15:40                                           ` Alex Bligh
2013-02-22 17:28                                             ` Alex Bligh
2013-02-22 17:41                                               ` Konrad Rzeszutek Wilk
2013-02-22 18:00                                                 ` Stefano Stabellini
2013-02-22 19:53                                                 ` Alex Bligh
2013-03-06 11:50                                                   ` Alex Bligh
2013-03-07  1:01                                                     ` Konrad Rzeszutek Wilk
2013-03-07  4:15                                                       ` Stefano Stabellini
2013-03-07 10:47                                                         ` [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes Alex Bligh
2013-03-08  3:18                                                           ` Stefano Stabellini
2013-03-08  9:25                                                             ` [PATCHv2] " Alex Bligh
2013-03-08  9:26                                                             ` [PATCH] " Alex Bligh
2013-03-08 10:17                                                             ` George Dunlap
2013-03-08 10:27                                                               ` Alex Bligh
2013-03-08 10:35                                                                 ` George Dunlap
2013-03-08 10:50                                                                   ` Alex Bligh
2013-03-08 11:18                                                                     ` George Dunlap
2013-03-08 11:40                                                                       ` [PATCHv3] " Alex Bligh
2013-03-08 12:54                                                                         ` George Dunlap
2013-03-11 14:02                                                                           ` Alex Bligh
2013-03-11 14:42                                                                             ` George Dunlap
2013-03-11 17:48                                                                               ` Konrad Rzeszutek Wilk
2013-03-11 17:55                                                                                 ` Ian Jackson
2013-03-14 17:06                                                                                   ` Alex Bligh
2013-03-14 18:26                                                                                     ` Ian Jackson
2013-03-12 12:08                                                                               ` Ian Campbell
2013-03-14 18:37                                                                         ` Stefano Stabellini
2013-03-14 19:30                                                                           ` Ian Jackson
2013-03-14 19:56                                                                             ` Alex Bligh
2013-03-15  9:28                                                                             ` Ian Campbell
2013-03-15 10:43                                                                               ` Stefano Stabellini
2013-03-15 11:21                                                                                 ` Ian Jackson
2013-03-15 11:28                                                                                   ` Stefano Stabellini
2013-03-15 11:37                                                                                     ` Ian Jackson
2013-03-15 11:43                                                                                       ` Stefano Stabellini
2013-03-15 12:43                                                                                         ` Alex Bligh
2013-03-15 12:50                                                                                           ` Ian Campbell
2013-03-15 18:31                                                                                         ` Ian Jackson
2013-03-18 10:29                                                                                         ` Alex Bligh
2013-03-18 11:47                                                                                           ` Stefano Stabellini
2013-03-18 12:21                                                                                             ` Alex Bligh
2013-03-08 11:41                                                                       ` [PATCH] " Alex Bligh
2013-03-08 10:28                                                               ` George Dunlap
2013-03-08 10:45                                                                 ` Alex Bligh
2013-03-07 10:51                                                         ` Fatal crash on xen4.2 HVM + qemu-xen dm + NFS Alex Bligh
2013-03-07  8:16                                                       ` Alex Bligh

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