[GRLUG] random loss of local keyboard

John-Thomas Richards jtr at jrichards.org
Thu Jul 5 15:45:26 EDT 2012


On Thu, Jul 05, 2012 at 03:37:35PM -0400, John-Thomas Richards wrote:
> I've been getting random loss of functionality in my laptop keyboard.
> While typing it just stops responding.  A USB keyboard works fine.  The
> touchpad continues to work.  I've been running `tail -f
> /var/log/messages' in a term to see if I can see something.  This time
> nothing was registered.  About an hour before I got this:
> 
> Jul  5 14:19:38 auerbach kernel: [18269.884919] colord[16472]: segfault at 8 ip 000000000040bc6d sp 00007fff111751c0 error 4 in colord[400000+20000]
> Jul  5 14:19:45 auerbach pulseaudio[16637]: [pulseaudio] pid.c: Stale PID file, overwriting.
> Jul  5 14:30:18 auerbach kernel: [18909.213563] CPU7: Core temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213565] CPU3: Core temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213566] CPU3: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213567] CPU7: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213604] CPU0: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213607] CPU4: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213610] CPU5: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213612] CPU1: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213615] CPU2: Package temperature/speed normal
> Jul  5 14:30:18 auerbach kernel: [18909.213618] CPU6: Package temperature/speed normal
> Jul  5 14:32:19 auerbach kernel: [19029.452136] [Hardware Error]: Machine check events logged
> 
> The keyboard failure happened long after this.  Any help would be
> appreciated.  I did track down a similar error to the colord but that
> involved a loss of a USB keyboard while the local keyboard still worked.
> Close, but not quite.

The keyboard will work in a VT and restarting X restores functionality
for a time.
-- 
john-thomas
------
In times when the government imprisons any unjustly, the true place for
a just man is also the prison.
Henry David Thoreau (1817-1862)


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