Bug#683768: linux-image-3.2.0-3-amd64: hibernate 3x slower after upgrade to linux-image-3.2.0-3-amd64

[hugo vanwoerkom <huugske@gmail.com>]

On Fri, Aug 3, 2012 at 6:59 PM, Ben Hutchings <ben@decadent.org.uk> wrote:

On Fri, 2012-08-03 at 16:24 -0500, hugo vanwoerkom wrote:
> On Fri, Aug 3, 2012 at 3:22 PM, Ben Hutchings <ben@decadent.org.uk>
> wrote:
>         On Fri, Aug 03, 2012 at 02:09:38PM -0500, hugo vanwoerkom
>         wrote:
>         > On Fri, Aug 3, 2012 at 12:36 PM, Julien Cristau
>         <jcristau@debian.org> wrote:
>         >
>         > > On Fri, Aug  3, 2012 at 12:06:13 -0500, hugo vanwoerkom
>         wrote:
>         > >
>         > > > Package: src:linux
>         > > > Version: 3.2.23-1
>         > > > Severity: normal
>         > > >
>         > > > Hibernate of about 400.000 pages takes normally 12secs.
>         after the last
>         > > > upgrade of the kernel (wheezy or sid) it takes 40 secs.
>
>
>         You don't say what the previous version was.  You may be able
>         to find
>         this information in /var/log/dpkg.log if you don't remember.
>
>
>
>
> Sorry, the previous version was 3.2.19-1.

I can't see any change since 3.2.19-1 that would explain this.  But
please do test the patch:

Running the compile right now. Will let you know. Thanks Ben!

Hugo

 

>         There are some fixes for bad hibernation performance in Linux
>         3.2.24.
>         You can try these out by applying
>         <http://git.kernel.org/?p=linux/kernel/git/bwh/linux-3.2.y.git;a=patch;h=6ed6791a1697afcb1615b4252d0c304a743b5f4d>
>         following the instructions at
>         <http://kernel-handbook.alioth.debian.org/ch-common-tasks.html#s4.2.2>.

--
Ben Hutchings
Experience is directly proportional to the value of equipment destroyed.
                                                         - Carolyn Scheppner