[Fwd: Re: Applying Intel CPU microcode update]

[James Laska]

Greetings folks,

Kamil and Siddhesh noted the following issue on test(a)lists.fp.org
yesterday.  Thought it might be of interest to the virt community as
well.

Thanks,
James

[James Laska]

On Thu, 2010-02-04 at 08:22 -0500, James Laska wrote:
>  Greetings folks,
>  
>  Kamil and Siddhesh noted the following issue on test(a)lists.fp.org
>  yesterday.  Thought it might be of interest to the virt community as
>  well. 
Well, scratch the previous message.  I'm seeing the same microcode_ctl
timing issue when booting a bare metal rawhide system.  This may not be
specific to virt guests at all.

Thanks,
James

>  > -------- Forwarded Message --------
>  > From: Kamil Paral <kparal(a)redhat.com&gt;
>  > Reply-to: For testers of Fedora development releases
>  > <test(a)lists.fedoraproject.org&gt;
>  > To: For testers of Fedora development releases
>  > <test(a)lists.fedoraproject.org&gt;
>  > Subject: Re: Applying Intel CPU microcode update
>  > Date: Thu, 4 Feb 2010 08:12:44 -0500 (EST)
>  > 
>  > ----- "Siddhesh Poyarekar" <spoyarek(a)redhat.com&gt; wrote:
>  > 
>  > > On Thu, Feb 04, 2010 at 05:02:12AM -0500, Kamil Paral wrote:
>  > > > I often use Rawhide in virt-manager using KVM. My host machine is
>  > > Fedora
>  > > > 12. Recently I noticed that booting Rawhide takes ages. After more
>  > > careful
>  > > > examination I found out that "Applying Intel CPU microcode
> update"
>  > > line
>  > > > pauses the system exactly for 1 minute. Then the boot continues. I
>  > > don't
>  > > > know if it is a problem in Rawhide or in some update of libvirt.
>  > > > 
>  > > > Anyone seen similar problem?
>  > > 
>  > > I've noticed this too. The `modprobe microcode` seems to take about a
>  > > minute or so. This probably needs a bug report,
>  > 
>  > Ok, reported:
>  > https://bugzilla.redhat.com/show_bug.cgi?id=561824

[Tom London]

On Thu, Feb 4, 2010 at 6:03 AM, James Laska <jlaska(a)redhat.com&gt; wrote:
>  On Thu, 2010-02-04 at 08:22 -0500, James Laska wrote:
> > Greetings folks,
> >
> > Kamil and Siddhesh noted the following issue on test(a)lists.fp.org
> > yesterday.  Thought it might be of interest to the virt community as
> > well.
>
>  Well, scratch the previous message.  I'm seeing the same microcode_ctl
>  timing issue when booting a bare metal rawhide system.  This may not be
>  specific to virt guests at all.
>
>  Thanks,
>  James
>
> > > -------- Forwarded Message --------
> > > From: Kamil Paral <kparal(a)redhat.com&gt;
> > > Reply-to: For testers of Fedora development releases
> > > <test(a)lists.fedoraproject.org&gt;
> > > To: For testers of Fedora development releases
> > > <test(a)lists.fedoraproject.org&gt;
> > > Subject: Re: Applying Intel CPU microcode update
> > > Date: Thu, 4 Feb 2010 08:12:44 -0500 (EST)
> > >
> > > ----- "Siddhesh Poyarekar" <spoyarek(a)redhat.com&gt; wrote:
> > >
> > > > On Thu, Feb 04, 2010 at 05:02:12AM -0500, Kamil Paral wrote:
> > > > > I often use Rawhide in virt-manager using KVM. My host machine is
> > > > Fedora
> > > > > 12. Recently I noticed that booting Rawhide takes ages. After more
> > > > careful
> > > > > examination I found out that "Applying Intel CPU microcode
> update"
> > > > line
> > > > > pauses the system exactly for 1 minute. Then the boot continues. I
> > > > don't
> > > > > know if it is a problem in Rawhide or in some update of libvirt.
> > > > >
> > > > > Anyone seen similar problem?
> > > >
> > > > I've noticed this too. The `modprobe microcode` seems to take about a
> > > > minute or so. This probably needs a bug report,
> > >
> > > Ok, reported:
> > > https://bugzilla.redhat.com/show_bug.cgi?id=561824
>  
I reported this earlier at https://bugzilla.redhat.com/show_bug.cgi?id=560031

The workaround described there continues to "work for me": downgrade
udev to udev-147-2.fc13.

tom
-- 
Tom London