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.
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Ben Hutchings
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