Panic when doing shutdown or reboot

Bill Perkins bp241 at grnwood.net
Thu Mar 7 20:17:15 UTC 2013


On 2013.03.06 16:02, Jonathan Ryshpan wrote:
> On Wed, 2013-03-06 at 15:42 -0500, William Perkins wrote:
> > I have two systems with which I am having problems during a 
> shutdown
> or 
> > reboot.  Both are x86_64 systems running Fedora-18 (Spherical Cow). 
> In 
> > both cases the systems will panic before the shutdown or reboot
> process 
> > is completed and system restarts or powers off.  This is a problem
> because 
> > the system that controls the UPS must poweroff to shutdown the UPS
> during 
> > a power failure.  If it does not, the UPS powers off after the
> batteries 
> > run down.  This is not good for the UPS.
> > 
> > Anyway, this problem will occurs on either of these systems after
> some 
> > time has been spent working on them: running X, Firefox, Liferea,
> LibreOffice,
> > etc...  If you than shutdown apps, close windows and terminate the
> window 
> > manager (FVWM), and than do a shutdown or reboot from the command
> line.
> > the system will panic before the shutdown/reboot is done with the 
> > following sampled lines:
> > 
> > Kernel panic - not syncing: Attempted to kill init!
> exitcode=0x00000100
> > Pid: 1, comm: shutdown Not tainted 3.7.9-205.fc18.x86_64 #1
> 
> I have a similar problem (see the recent discussion on this list
> titled
> "System doesn't shut down properly under Fedora-18".  The disks 
> aren't
> synced; but there is no panic message in /var/log/messages.
> 
> jon
> 

The panic message displays on the console before the system freezes.  
You need to boot your Fedora system without the "rhgb quiet" at the end 
of the linux boot line in order to see all of the details, or hit the 
ESC key at the right point in time during boot or shutdown.  

This is the panic I get at shutdown on two different systems:
----
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100

Pid: 1, comm: shutdown Not tainted 3.8.1-201.fc18.x86_64 #1
Call Trace:
 [<ffffffff81645b9e>] panic+0xc1/0x1d0
 [<ffffffff810647a8>] do_exit_0x918/0x9e0
 [<ffffffff810648ff>] do_group_exit+0x3f/0xa0
 [<ffffffff81064977>] sys_exit_group_0x17/0x20
 [<ffffffff81657c19>] system_call_fastpath+0x16/0x1b
drm_kms_helper: panic occurred, switching back to text console
----

I had to photograph the screen and than type this information into this 
message.

Bill  



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