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[Launchpad Bug Tracker <660301@xxxxxxxxxxxxxxxxxx>]

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Hello,

after running Ubuntu on two HP omnibook XE3-GC laptop machines
successfully since version 9.04 (with only minor impacts), version 10.10
maverick has a severe problem with X since upgrading from 10.04 lucid.
This type of machine has a S3 Savage/MX chip attached via AGP 2x.

Since upgrading, X does no more tolerate any switching to text mode, no
matter if caused, for example, by changing to a text console or by
energy saving like DPMS or setting the laptop to standby/suspend.

The first switch to text mode after the system has booted still works,
but getting back to X afterwards results in an immediate shutdown and
restart of X, so at least the session is gone and I am back at the gdm
login screen.

If I try to switch to text mode for a second time, the screen gets
garbaged, usually filled with little squares in rainbow-like colours,
mainly in the colour range from red to orange. In this case there is no
way out anymore - I only can try to login blindly n a text console as
root and type "reboot", which still works, so the system does not hang.

Please remember that there was NO such problem in 10.04 lucid!

This behaviour can be reproduced with or without an xorg.conf, and it
does not matter if I try to switch off DRI, GLX or disable even these
modules. Or disable AGP and use PCI initialisation - it makes graphics
slow but does not resolve the problem.

As I have two identical machines which show exactly the same behaviour,
random hardware failure is NOT an issue.

Please don't hesitate to ask for any further information that is
necessary. To me the problem is quite urgent as it makes normal system
usage quite impossible.

Best regards,

Hans-Juergen Mauser

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: Incomplete

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maverick: S3 savage (but also with vesa driver): X crash/restart after first switch to console and back, garbaged and unusable screen after second console switch
https://bugs.launchpad.net/bugs/660301
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