graphics issue -- Intel 82845G/GL[Brookdale-G]/GE
I recently installed Brigantia on a Dell Dimension 4500S. This desktop computer was, until the upgrade, running another GNU/Linux distribution derived from Ubuntu "natty".
After the upgrade, I've been experiencing a kind of crashing that I don't know how to describe properly. My screen goes blank for a second and then comes back on with a really low refresh rate, and videos can no longer play.
Here are the last three lines from the system's Xorg.0.log:
[ 4603.191] (II) intel(0): Modeline "1440x900"x0.0 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz) [ 6433.389] (EE) intel(0): Detected a hung GPU, disabling acceleration. [ 6433.389] (EE) intel(0): When reporting this, please include i915_error_state from debugfs and the full dmesg.
Does anybody know of a fix for this issue? If I should file a bug report, where should I file the report?
It mentions a hung GPU so I would assume that there's a problem with the hardware. Intel's graphics drivers are open-source and the best version is already available to Trisquel.
Do you have the installation CD of the version which worked? If you do it sounds like there is an easy way to test the hardware. Run from that older version and use the live mode for testing. If the issue does not appear it's probably a driver issue. If the issue does appear it may be a hardware issue.
If it is a driver issue you might be able to file a bug report. You would do this via Ubuntu normally. Unless it is specific to Trisquel. You will have to test Ubuntu though to ensure that you aren't filing a Trisquel bug with Ubuntu.
For the past 6 months, I had been using Mint 12 on this computer without GPU hangs. (In my previous message, I said the GNU/Linux distro I used previously was derived from Ubuntu 11.04 "natty". I was wrong. Mint 12 is derived from Ubuntu 11.10 "oneiric".)
I have noticed a possible pattern tonight. This issue seems to happen as I'm typing something! It just happened again while I was typing this response. Before I started typing this, I watched the HD ogg version of Louis CK's comedy special. It played smoothly.
Shortly after I watched the video, I logged in here to check for responses, and started typing this response.
In the middle of typing this message, the screen became unresponsive, blinked off, and then came back on again. I continued typing as this happened. When the screen came back on, the stuff that I had continued typing did not go through. I can test this again after I reboot.
I'll gladly take any further advice you can offer me. Thanks for helping, guys!
Scratch what I said about this issue happening while typing. I rebooted about five minutes ago, and the GPU hang occurred while I was reading a Wikipedia article.
I was not typing anything and I was not moving the mouse.
I'll try the nomodeset kernel paramenter and report back on the results. Thanks, lembas.
nomodeset didn't work.
I tried booting twice and got a blank screen. The system did not seem to be responding to the keyboard. CTRL-ALT-DEL didn't reboot the computer, and the num lock key did not turn on the light on the keyboard.
I waited until the hang happened again so that I could view the new log messages. Can someone help me make sense of this message?
[ 2246.356] [mi] Increasing EQ size to 1024 to prevent dropped events. [ 2246.358] [mi] EQ processing has resumed after 363 dropped events. [ 2246.358] [mi] This may be caused my a misbehaving driver monopolizing the server's resources.
I'm going to try adding
Option "DRI" "false"
to /etc/X11/xorg.conf to see what that does.
Darn. Setting option "DRI" to "false" does not work. I'm out of ideas.
I tried changing the xorg.conf settings, but I wasn't able to get the issue sorted out in Brigantia, so I installed Dagda. Everything works great now.
I didn't file any bug report because I don't know what was causing the problem. I guess I'll stick with Dagda until someone else figures out what's wrong.
Thanks for your help, SilverSlimer, Chris, and lembas.
On Dagda, up until just a moment ago, I was having issues with choppy video playback.
Using the following in my
/etc/xorg.conf file fixed it. I can now play my HD Ogg Theora copy of Louis CK's comedy special again!
Section "Device" Identifier "Configured Video Device" Driver "intel" BusID "PCI:0:2:0" Option "AccelMethod" "uxa" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" EndSection