I agree with comment #13 - middle clicking on a mouse's scroll wheel is
quite difficult and clicking left+right buttons together is easier.
Some mice are worse than others for this (some have too little wheel
resistance), but all of them require more care to click on the wheel
(without scrolling it
I'm sorry to report that I experience complete X crashes with 945GM about every
2 weeks.
I've had the laptop about 4 years and run Ubuntu continuously on it, upgrading
to each release.
The crashes have been noticably worse since Lucid. There have been some
Ubuntu releases that didn't crash, so
I also get occasional complete crashes of the X server, about once every
2 weeks (average). I guess that's a different bug, but they might be
related. It is very annoying as all applications are killed instantly.
When that happens, it tries to restart X and that always fails - so
eventually it s
Fwiw, I get a lot of screen corruption with Karmic and now Lucid, but it
looks different to all the screenshots in prior comments. I notice it
mostly when using Gnome Terminal - usually a block of characters is
drawn blank (as if spaces), but occasionally (~25% of the time) will
contain a corrupt
I did the debugging work because I thought you (or upstream) might find
it useful. Plenty of lockups have been reported but not many where it's
possible to observe a faulty kernel or hardware state in detail.
Specifically, because of the clues in how the kernel or hardware state
was broken and X
Here are some lined grepped from my kernel log at the time of this freeze.
I don't think they are related, but you never know.
I did a "grep i915 /var/log/kern.log".
The initial freeze happens after the entry at time 00:47:30, before the
entry at 04:45:10. The entries from 04:45:10 are due to me
** Attachment added: "Fourth X server log, DRI completely disabled, freezes in
userspace loop waiting on PP_STATUS reg"
http://launchpadlibrarian.net/28982552/X4_no_DRI_stuck_in_loop_gdb.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/
** Attachment added: "Second X server log, got stuck in the same during
initialisation"
http://launchpadlibrarian.net/28982504/X2_DRI_frozen_startup.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appears frozen
https://bugs.la
** Attachment added: "Third X server log, with 'Option "DRI" "no"', shows some
broken hardware state details"
http://launchpadlibrarian.net/28982514/X3_no_DRI_broken_hwstate.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appea
** Attachment added: "ps WCHAN, confirming it's blocked in the kernel at
i915_wait_request"
http://launchpadlibrarian.net/28982461/X_DRI_freeze_wchan.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appears frozen
https://bugs.l
** Attachment added: "X server log of the first stuck server, same one as
straced etc."
http://launchpadlibrarian.net/28982487/X_DRI_freeze_log.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appears frozen
https://bugs.launchp
** Attachment added: "File descriptors when frozen, to relate to strace"
http://launchpadlibrarian.net/28982441/X_DRI_freeze_fds.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appears frozen
https://bugs.launchpad.net/bugs/3989
** Attachment added: "strace of X server not responding except mouse moves"
http://launchpadlibrarian.net/28982429/X_DRI_freeze_strace.txt
--
[i945GM] X server gets stuck in loop waiting on DRI, reads mouse events but
ignores all socket I/O hence appears frozen
https://bugs.launchpad.net/bug
Public bug reported:
Binary package hint: xserver-xorg-video-intel
This Intel freeze is one where the mouse kept working, and I was able to
login over SSH and do some diagnostics which point to DRI. I have a
945GM chipset, on a laptop.
I was able to get some diagnostic output which might help i
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