Freezing system

[Chris]

On Thu, 2015-01-22 at 10:06 -0500, Scott Blair wrote:
> On 01/22/2015 07:29 AM, Chris wrote:
> > On Thu, 2015-01-22 at 01:22 -0500, Scott Blair wrote:
> >> I am running Ubuntu 14.04. I have all the updates that have been issued.
> >> Sometimes my system will freeze rendering the keyboard useless. However
> >> the mouse still works. But clicking on anything doesn't work. But today when
> >> it froze, while I was watching an imbedded video, I could click on the
> >> status
> >> bar and hear that it changed places, even though the status bar icon did not
> >> move. While the video was frozen, the audio was still working. My CPU
> >> status,
> >> net status and clock even stops, I have the clock showing seconds to make
> >> sure it froze up.
> >>
> >> I write down the times it freezes and look at the syslog file, but to my
> >> untrained eye, I don't see anything. I have yet to find, in the syslog
> >> file, the
> >> time that it froze up. Am I looking in the right place? Should I be
> >> looking at
> >> other logs? Any idea on what to look for?
> >>
> >> -- 
> >>
> >>
> >> Scott Blair
> >>
> >> Save on backup time BackupDevice=null
> >>
> >>
> > Scott, this sounds exactly the same issue I've reported a bug on at
> > Launchpad - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1402331
> > and that has also been reported here -
> > https://bugs.freedesktop.org/show_bug.cgi?id=75394 if you'll notice I've
> > mentioned that everything on my machine will freeze up except the cursor
> > can still be moved. One other oddity about this bug is that even though
> > it appears to be 'frozen' my background operations are still going on.
> > For instance fetchmail is still polling for mail, procmail is still
> > processing it. Spamassassin, ClamAV and Freshclam are all still working
> > as they should. If you'll notice in my sig that I'm running a 3.19*
> > kernel which I was asked to do from the bug report on Launchpad. I have
> > experienced two lockups since doing that however neither one have shown
> > the 'hangcheck....' error in my syslog. I'll be attempting to do as
> > asked which is to 'bisect' a kernel. 
> >
> > HTH
> >
> > Chris
> >
> >
> This is my output:
> Scott at Main:~$ uname -a
> Linux Main 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014
> x86_64 x86_64 x86_64 GNU/Linux
> Scott at Main:~$
>  So upgrading the kernel has no effect. Because your background
>  operations are still running, could it be a unity thing and not a
> system thing.
> 
> -- 
> 
> 
> Scott Blair
> 
> Save on backup time BackupDevice=null
> 
> 
Don't think so Scott, I'm still learning Ubuntu however I'm running the
Gnome desktop. If you look at the bug report at the freedesktop.org link
I sent you can see that it affects not only Ubuntu or a particular
computer mfgr, ie..I run a Dell Optiplex 780. 

-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11°N 97.89°W (Elev. 1092 ft)
09:14:47 up 22:25, 1 user, load average: 1.21, 1.08, 0.76
Ubuntu 14.04.1 LTS, kernel 3.19.0-031900rc5-generic