Bug#774036: Re: Bug#774036: linux-image-3.16.0-4-amd64: Untainted Kernel shows similar issue
Hello Rainer,
On Sat, Jan 03, 2015 at 04:23:44PM +0100, Rainer Dorsch wrote:
> Hi Emil,
>
> I have only remote access to the system for the next few weeks and I feel
> somewhat uncomfortable to experiment with my self-compiled kernels on the
> system or changing networking configurations.
>
> So please apologize that I may need 3-4 weeks to test that.
>
> I assume you suggest to follow
>
> http://kernel-handbook.alioth.debian.org/ch-common-tasks.html
>
> to enable PM_TRACE_RTC and rebuild the kernel, correct?
Yes and you can clone this tree for testing upstream kernels.
git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Best regards,
Emil Goode
> On Tuesday 30 December 2014 12:40:53 Emil Goode wrote:
> > Hello Rainer,
> >
> > On Tue, Dec 30, 2014 at 12:15:31AM +0100, Rainer Dorsch wrote:
> > > Hi Emil,
> > >
> > > Am Montag 29 Dezember 2014, 14:02:55 schrieb Emil Goode:
> > > > Hello Rainer,
> > > >
> > > > The below procedure would give more information:
> > > >
> > > > Add the following line to the top of the file
> > > > /usr/lib/pm-utils/pm-functions.
> > > >
> > > > export PM_DEBUG=true
> > > >
> > > > Then suspend with:
> > > >
> > > > echo 1 > /sys/power/pm_trace
> > > > echo mem > /sys/power/state
> > >
> > > Hmm....I do not have a pm_trace
> >
> > Ok, that is because PM_TRACE_RTC needs to be enabled in the kernel config.
> >
> > Please be aware that when using pm_trace it will mess with your machine's
> > real-time clock.
> >
> > > There is a similar bug report already for an older kernel, but that seems
> > > to be fixed (?)
> > >
> > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=638264
> >
> > The iwlagn module is for intel wireless and I believe you are using
> > broadcom.
> > > > Post dmesg and the contents of /var/log/pm-suspend.log.
> > > >
> > > > Have you tried disabling the mac80211 module?
> > >
> > > Can you tell how I unload a module for suspend or if
> > >
> > > http://superuser.com/questions/620201/how-to-force-ubuntu-debian-mint-to-u
> > > nload-modules-at-suspend-to-disk also applies to systemd?
> >
> > I think you can temporarily blacklist modules as described here:
> >
> > https://wiki.debian.org/KernelModuleBlacklisting
> >
> > I would also try the latest upstream kernel, this might have been fixed.
> >
> > Best regards,
> >
> > Emil Goode
>
> --
> Rainer Dorsch
> http://bokomoko.de/
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