Re: screen blacks out, system still running: no messages?
- From: Paul Kaplan <pkaplan1@xxxxxxxxxxx>
- Date: Mon, 30 Apr 2007 06:10:39 -0400
I had a similar problem on a T41 running Edgy. It happened only after I
installed beryl and had to play around w/ the video drivers to get it
working. Whatever the root cause, it had all sorts of bad consequences
including unable to return to screen :0 after going to a different virtual
terminal, all sorts of XScreensaver crashes, and even what appears to be a
hardware problem whereby if I picked up the machine in a certain way, the
screen would go blank. I did a quick scan of the system log, but nothing
struck me as unusual.
It is interesting however that the problem only occurred on a 3-yr old machine
w/ and ati card and not on a 1-yr old T43 with an intel 915 card, which sort
of got me thinking that it was a driver problem. After installing Feisty
from scratch the problem vanished so I presume something about setting up
beryl and changing drivers screwed me and I haven't investigated further.
You might try booting to the live CD and checking the video config inlcuding
drivers and xorg.conf to see if there's something different about a "good"
setup and your current setup.
Paul
On Monday 30 April 2007 5:14:36 am Bram Kuijper wrote:
Hi all,
I've never encountered any problems with my TFT-screen before, but
today, while working on my Ubuntu Feisty box on an IBM thinkpad R50e,
the screen suddenly blacked out, while the system kept running. There
was no chance of getting into any other terminal by pressing CTRL + ALT
+ F2,3,4. After a restart everything went fine, but I want to prevent me
and other users from this event reoccurring (I lost quite some work due
to this problem).
How can I find out where things went wrong? In /var/log/dmesg, messages,
kern.log or Xorg.log I've found nothing peculiar that could give me a
clue what has happened. Where should I look in this case? Or is there no
way of knowing this, without installing everything with debug messages on?
cheers,
Bram
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- From: Bram Kuijper
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