On Fri, 2016-11-04 at 18:54 +0100, Miroslav Skoric wrote:
> On 11/04/2016 12:22 AM, Ben Hutchings wrote:
>
> > > Ten days ago I upgraded one of my older PCs running wheezy from kernel
> > > 3.2.81-2 to 3.2.82-1 and soon after I realized that the system started
> > > to "freeze" a couple of minutes after booting.
> >
> > Does that happen while you are actively using the system, or while it
> > is idle?
> >
>
> That was happening in various situations (E.g. after booting when it
> came to the login GUI, or later after the login while it was idle, and
> even later while I was using the system). It changed from time to time,
> but in average the system was usable no longer than 0.5-1 hour or so.
>
> > > In fact nothing else
> > > could be done but pressing the reset button. After downgrading the
> > > kernel back to 3.2.81-2 everything seemed back to normal. Any idea?
> >
> > Does this system use a GUI or text console? If it uses a GUI, please
> > try switching to a text console after booting as the kernel may be able
> > to log some error messages there.
> >
>
> It is a GUI. As said, there is no problematic kernel on the system now.
> I downgraded the kernel last Sunday or so. Now it is OK. When I switch
> to the text consoles there is nothing (only login prompts). However, it
> seems that I do have some logs from 22-29 Oct when I had the problem.
> Just let me know which one should contain error msgs (if any).
You should be able to extract the kernel log messages for the new
kernel version like this:
{ zcat /var/log/messages.{4,3,2}.gz ; cat /var/log/messages{.1,} ; } \
| sed -n '/Debian 3\.2\.82-1/,/Debian 3\.2\.81-2/ { /kernel:/p }' \
> kernel.log
However, it may be that any error messages were not logged to disk.
Ben.
--
Ben Hutchings
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