From: Avi Kivity <avi@redhat.com>
To: Richard Davies <richard@arachsys.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: Windows slow boot: contractor wanted
Date: Thu, 16 Aug 2012 14:39:57 +0300 [thread overview]
Message-ID: <502CDC0D.9080004@redhat.com> (raw)
In-Reply-To: <20120816104727.GA17166@alpha.arachsys.com>
On 08/16/2012 01:47 PM, Richard Davies wrote:
> Hi,
>
> We run a cloud hosting provider using qemu-kvm 1.1, and are keen to find a
> contractor to track down and fix problems we have with large memory Windows
> guests booting very slowly - they can take several hours.
>
> We previously reported these problems in July (copied below) and they are
> still present with Linux kernel 3.5.1 and qemu-kvm 1.1.1.
>
> This is a serious issue for us which is causing significant pain to our
> larger Windows VM customers when their servers are offline for many hours
> during boot.
>
> If anyone knowledgeable in the area would be interested in being paid to
> work on this, or if you know someone who might be, I would be delighted to
> hear from you.
>
I happen to be gainfully employed but maybe I can help. Can you collect
a trace during the slow boot period and post in somewhere? See
http://www.linux-kvm.org/page/Tracing for instructions.
4G/8way is not a particularly large guest. What is the host
configuration (memory, core count)?
--
error compiling committee.c: too many arguments to function
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Richard Davies <richard@arachsys.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] Windows slow boot: contractor wanted
Date: Thu, 16 Aug 2012 14:39:57 +0300 [thread overview]
Message-ID: <502CDC0D.9080004@redhat.com> (raw)
In-Reply-To: <20120816104727.GA17166@alpha.arachsys.com>
On 08/16/2012 01:47 PM, Richard Davies wrote:
> Hi,
>
> We run a cloud hosting provider using qemu-kvm 1.1, and are keen to find a
> contractor to track down and fix problems we have with large memory Windows
> guests booting very slowly - they can take several hours.
>
> We previously reported these problems in July (copied below) and they are
> still present with Linux kernel 3.5.1 and qemu-kvm 1.1.1.
>
> This is a serious issue for us which is causing significant pain to our
> larger Windows VM customers when their servers are offline for many hours
> during boot.
>
> If anyone knowledgeable in the area would be interested in being paid to
> work on this, or if you know someone who might be, I would be delighted to
> hear from you.
>
I happen to be gainfully employed but maybe I can help. Can you collect
a trace during the slow boot period and post in somewhere? See
http://www.linux-kvm.org/page/Tracing for instructions.
4G/8way is not a particularly large guest. What is the host
configuration (memory, core count)?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-08-16 11:40 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 10:47 Windows slow boot: contractor wanted Richard Davies
2012-08-16 10:47 ` [Qemu-devel] " Richard Davies
2012-08-16 11:39 ` Avi Kivity [this message]
2012-08-16 11:39 ` Avi Kivity
2012-08-17 12:36 ` Richard Davies
2012-08-17 12:36 ` [Qemu-devel] " Richard Davies
2012-08-17 13:02 ` Robert Vineyard
2012-08-17 13:02 ` [Qemu-devel] " Robert Vineyard
2012-08-18 14:44 ` Richard Davies
2012-08-18 14:44 ` [Qemu-devel] " Richard Davies
2012-08-19 5:02 ` Brian Jackson
2012-08-19 5:02 ` [Qemu-devel] " Brian Jackson
2012-08-20 8:16 ` Richard Davies
2012-08-20 8:16 ` [Qemu-devel] " Richard Davies
2012-08-19 8:40 ` Avi Kivity
2012-08-19 8:40 ` [Qemu-devel] " Avi Kivity
2012-08-19 8:51 ` Richard Davies
2012-08-19 8:51 ` [Qemu-devel] " Richard Davies
2012-08-19 14:04 ` Avi Kivity
2012-08-19 14:04 ` [Qemu-devel] " Avi Kivity
2012-08-20 13:56 ` Richard Davies
2012-08-20 13:56 ` [Qemu-devel] " Richard Davies
2012-08-21 9:00 ` Avi Kivity
2012-08-21 9:00 ` [Qemu-devel] " Avi Kivity
2012-08-21 15:21 ` Richard Davies
2012-08-21 15:21 ` [Qemu-devel] " Richard Davies
2012-08-21 15:39 ` Troy Benjegerdes
2012-08-21 15:39 ` Troy Benjegerdes
2012-08-22 9:08 ` Avi Kivity
2012-08-22 9:08 ` [Qemu-devel] " Avi Kivity
2012-08-22 12:40 ` Richard Davies
2012-08-22 12:40 ` [Qemu-devel] " Richard Davies
2012-08-22 12:44 ` Avi Kivity
2012-08-22 12:44 ` [Qemu-devel] " Avi Kivity
2012-08-22 14:41 ` Richard Davies
2012-08-22 14:41 ` [Qemu-devel] " Richard Davies
2012-08-22 14:53 ` Avi Kivity
2012-08-22 14:53 ` [Qemu-devel] " Avi Kivity
2012-08-22 15:26 ` Richard Davies
2012-08-22 15:26 ` [Qemu-devel] " Richard Davies
2012-08-22 17:22 ` Troy Benjegerdes
2012-08-22 17:22 ` Troy Benjegerdes
2012-08-25 17:51 ` Richard Davies
2012-08-25 17:51 ` Richard Davies
2012-08-22 15:21 ` Rik van Riel
2012-08-22 15:21 ` [Qemu-devel] " Rik van Riel
2012-08-22 15:34 ` Richard Davies
2012-08-22 15:34 ` [Qemu-devel] " Richard Davies
2012-08-25 17:45 ` Richard Davies
2012-08-25 17:45 ` [Qemu-devel] " Richard Davies
2012-08-25 18:11 ` Rik van Riel
2012-08-25 18:11 ` [Qemu-devel] " Rik van Riel
2012-08-26 10:58 ` Richard Davies
2012-08-26 10:58 ` [Qemu-devel] " Richard Davies
2012-09-06 9:20 ` Richard Davies
2012-09-06 9:20 ` [Qemu-devel] " Richard Davies
2012-09-12 10:56 ` Windows VM slow boot Richard Davies
2012-09-12 10:56 ` [Qemu-devel] " Richard Davies
2012-09-12 10:56 ` Richard Davies
2012-09-12 12:25 ` Mel Gorman
2012-09-12 12:25 ` [Qemu-devel] " Mel Gorman
2012-09-12 12:25 ` Mel Gorman
2012-09-12 16:46 ` Richard Davies
2012-09-12 16:46 ` [Qemu-devel] " Richard Davies
2012-09-12 16:46 ` Richard Davies
2012-09-13 9:50 ` Mel Gorman
2012-09-13 9:50 ` [Qemu-devel] " Mel Gorman
2012-09-13 9:50 ` Mel Gorman
2012-09-13 19:47 ` [PATCH 1/2] Revert "mm: have order > 0 compaction start near a pageblock with free pages" Rik van Riel
2012-09-13 19:47 ` [Qemu-devel] " Rik van Riel
2012-09-13 19:47 ` Rik van Riel
2012-09-13 19:48 ` [PATCH 2/2] make the compaction "skip ahead" logic robust Rik van Riel
2012-09-13 19:48 ` [Qemu-devel] " Rik van Riel
2012-09-13 19:48 ` Rik van Riel
2012-09-13 19:54 ` [PATCH -v2 " Rik van Riel
2012-09-13 19:54 ` [Qemu-devel] " Rik van Riel
2012-09-13 19:54 ` Rik van Riel
2012-09-15 15:55 ` Richard Davies
2012-09-15 15:55 ` [Qemu-devel] " Richard Davies
2012-09-15 15:55 ` Richard Davies
2012-09-16 19:12 ` Richard Davies
2012-09-16 19:12 ` [Qemu-devel] " Richard Davies
2012-09-17 12:26 ` Mel Gorman
2012-09-17 12:26 ` [Qemu-devel] " Mel Gorman
2012-09-18 8:14 ` Richard Davies
2012-09-18 8:14 ` [Qemu-devel] " Richard Davies
2012-09-18 11:21 ` Mel Gorman
2012-09-18 11:21 ` [Qemu-devel] " Mel Gorman
2012-09-18 11:21 ` Mel Gorman
2012-09-18 17:58 ` Richard Davies
2012-09-18 17:58 ` [Qemu-devel] " Richard Davies
2012-09-17 13:50 ` Rik van Riel
2012-09-17 13:50 ` [Qemu-devel] " Rik van Riel
2012-09-17 14:07 ` Mel Gorman
2012-09-17 14:07 ` [Qemu-devel] " Mel Gorman
2012-09-17 14:07 ` Mel Gorman
2012-08-16 14:10 ` Windows slow boot: contractor wanted Benoît Canet
2012-08-16 14:10 ` [Qemu-devel] " Benoît Canet
2012-08-16 15:53 ` Troy Benjegerdes
2012-09-18 15:12 ` Windows slow boot Michael Tokarev
2012-09-18 15:12 ` [Qemu-devel] " Michael Tokarev
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