From: Kevin Wolf <kwolf@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Fam Zheng <famz@redhat.com>,
qemu-block@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v3 0/4] block: fix 'savevm' hang with -object iothread
Date: Tue, 13 Jun 2017 14:14:55 +0200 [thread overview]
Message-ID: <20170613121455.GF4383@noname.redhat.com> (raw)
In-Reply-To: <20170612134733.GA17075@stefanha-x1.localdomain>
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Am 12.06.2017 um 15:47 hat Stefan Hajnoczi geschrieben:
> On Mon, May 22, 2017 at 02:57:00PM +0100, Stefan Hajnoczi wrote:
> > v3:
> > * Add missing bdrv_drain_all_end() in error code paths [Kevin]
> > v2:
> > * New patch to use bdrv_drain_all_begin/end() in savevm/loadvm [Kevin]
> > (All other patches unchanged)
> >
> > The 'savevm' command hangs when -object iothread is used. See patches for
> > details, but basically the vmstate read/write code didn't conform to the latest
> > block layer locking rules.
> >
> > Stefan Hajnoczi (4):
> > block: count bdrv_co_rw_vmstate() requests
> > block: use BDRV_POLL_WHILE() in bdrv_rw_vmstate()
> > migration: avoid recursive AioContext locking in save_vmstate()
> > migration: use bdrv_drain_all_begin/end() instead bdrv_drain_all()
> >
> > block/io.c | 21 +++++++++++++--------
> > migration/savevm.c | 30 ++++++++++++++++++++++++++----
> > 2 files changed, 39 insertions(+), 12 deletions(-)
>
> Ping ^ 2
Thanks, applied to the block branch.
Kevin
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prev parent reply other threads:[~2017-06-13 12:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 13:57 [Qemu-devel] [PATCH v3 0/4] block: fix 'savevm' hang with -object iothread Stefan Hajnoczi
2017-05-22 13:57 ` [Qemu-devel] [PATCH v3 1/4] block: count bdrv_co_rw_vmstate() requests Stefan Hajnoczi
2017-05-22 13:57 ` [Qemu-devel] [PATCH v3 2/4] block: use BDRV_POLL_WHILE() in bdrv_rw_vmstate() Stefan Hajnoczi
2017-05-22 13:57 ` [Qemu-devel] [PATCH v3 3/4] migration: avoid recursive AioContext locking in save_vmstate() Stefan Hajnoczi
2017-06-14 10:10 ` Pavel Butsykin
2017-06-14 13:15 ` Pavel Butsykin
2017-06-14 14:43 ` Kevin Wolf
2017-06-15 13:33 ` Pavel Butsykin
2017-05-22 13:57 ` [Qemu-devel] [PATCH v3 4/4] migration: use bdrv_drain_all_begin/end() instead bdrv_drain_all() Stefan Hajnoczi
2017-05-22 17:40 ` Eric Blake
2017-05-30 13:52 ` [Qemu-devel] [Qemu-block] [PATCH v3 0/4] block: fix 'savevm' hang with -object iothread Stefan Hajnoczi
2017-06-12 13:47 ` Stefan Hajnoczi
2017-06-13 12:14 ` Kevin Wolf [this message]
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