** Description changed:
Binary package hint: xserver-xorg-video-intel
started out with laptop going into low graphics mode after message "(EE)
intel(0): [drm] failed to remove DRM signal handler" so I subscribed to bug
report 306916 as it seemed to report same error. The suggestion there was to
install intrepid test driver code " 1. Download and test .debs for intrepid,
from:
https://edge.launchpad.net/~intel-gfx-testing/+archive"; which I did.
After that I started experiencing occasional failures in even getting X loaded
as Ubuntu startup would hang with black screen at point where login screen
usually appears - no log file created so it looked like X never loaded. This
would repeat unless I went in "safe mode" once then back to normal. Even when
it loaded Ok I would occasionally get the whole desktop hanging up without
warning.
In that case Xorg.0.log contained lines "[mi] EQ overflowing. The server is
probably stuck in an infinite loop" (see attachment for whole session).
I am using Ubuntu 8.1 Intrepid on a Lenovo 3000 C100 laptop with Intel GMA
900 graphics card, max screen 1024x768. Used to run Redhat fedora without any X
problems or graphics problems.
Am now forcing use of Vesa graphics driver as this seems to give me less
problems although I have had one hang on startup and attach log file for that
session too (or would if I could see how to attach 2 files!).
+
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 915GM/PM/GMS/910GML
Express Processor to DRAM Controller [8086:2590] (rev 04)
+ Subsystem: Lenovo Device [17aa:2061]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 04)
+ Subsystem: Lenovo Device [17aa:2062]
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X hangs on ubuntu 8.1 intrepid laptop
https://bugs.launchpad.net/bugs/315542
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