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(Ubuntu Lucid) X crashes/quit unexpectedly, and respawns on tty8

Just had a strange occurrence...while loading an image in Firefox, X decided to check out on me after a few seconds of hang time, dropping to the normal boot messages that linger on, usually on tty8(see below, shortened a bit), on tty7:

* Starting network interface daemon... [OK]
* Speech-dispatcher configured for user sessions... [OK]

And so on. For a few moments, the system remained rather sluggish; the open terminal session I had on tty1 had a lagtime around 5-7 seconds on key entry, and for a moment the Xorg thread remained present in top. Shortly thereafter, it was gone.

Within a few minutes (and a failed startx from tty1) later, I cycle through the various terminal options, and tty8 suddenly has a login screen, where it previously would have hosted the above boot messages/checks; logging in, everything seems to be back to par.

However, the logs I've gone over seem to reveal nothing out of the ordinary, nothing to indicate anything went wrong (admittedly, I've only looked over dmesg, syslog, and Xorg.0; not sure if any others might keep anything relevant). On login under the new X Session, Firefox loaded my tabs and the image on the tab that was my last action before things went haywire was loaded as intended.

I'm at a loss here, any ideas?

(Ubuntu 10.04, Kernel 2.6.32-24-generic, Xorg Server 1.7.6, Release 17 Mar 10)

Quote:

Originally Posted by aeternitas (Post 4075871)

I'm at a loss here, any ideas?

Not really. Doesn't sound familiar, although I'm a Lucid user, too.

Quote:

Originally Posted by aeternitas (Post 4075871)

(Ubuntu 10.04, Kernel 2.6.32-24-generic, Xorg Server 1.7.6, Release 17 Mar 10)

This information is not specific enough. In Ubuntu versions are normally never upgraded during the lifetime of the release, but patches are backported to the old release. So although the X server was released on 17 Mar, you might have or might not have patches on top of it.

There was at least one patch to the X server that solved frequent crashes with Firefox for me. https://bugs.launchpad.net/bugs/539772

Additionally lot of the problems with X are dependent graphics card you have.

Have you applied all available updates?

Here is what I have: (all updates applied)

Code:

$ dpkg-query -l | grep xorg- | cut -c 1-85

ii  xorg-docs-core                      1:1.5-1                                    

ii  xserver-xorg-core                    2:1.7.6-2ubuntu7.3                          

ii  xserver-xorg-core-dbg                2:1.7.6-2ubuntu7.3                          

ii  xserver-xorg-dev                    2:1.7.6-2ubuntu7.3                          

ii  xserver-xorg-input-all              1:7.5+5ubuntu1                              

ii  xserver-xorg-input-evdev            1:2.3.2-5ubuntu1                            

ii  xserver-xorg-input-mouse            1:1.5.0-1                                  

ii  xserver-xorg-input-synaptics        1.2.2-1ubuntu4                              

ii  xserver-xorg-input-vmmouse          1:12.6.5-4ubuntu2                          

ii  xserver-xorg-input-wacom            1:0.10.5-0ubuntu4                          

ii  xserver-xorg-video-ati              1:6.13.0-1ubuntu5                          

ii  xserver-xorg-video-fbdev            1:0.4.1-1ubuntu1                            

ii  xserver-xorg-video-mach64            6.8.2-2                                    

ii  xserver-xorg-video-r128              6.8.1-2ubuntu1                              

ii  xserver-xorg-video-radeon            1:6.13.0-1ubuntu5                          

ii  xserver-xorg-video-radeon-dbg        1:6.13.0-1ubuntu5                          

ii  xserver-xorg-video-vesa              1:2.3.0-1ubuntu1

(Yours will differ. I have installed development and debug symbol packages and I have removed drivers for some hardware, which I don't have)

Also the kernel version you gave is not really a kernel version. See http://ubuntuforums.org/showpost.php...3&postcount=11