Hmm okay, it seems to be a problem in mesa driver libdrm-intel1 / libdrm2
I used version 2.4.21 a downgrade to 2.4.19 is working at the moment without
problems. I hope this helps for analysing.
laptop:~$ sudo apt-cache showpkg libdrm2
Package: libdrm2
Versions:
2.4.21-1ubuntu2
(/var/lib/apt/lists/de.archive.ubuntu.com_ubuntu_dists_maverick_main_binary-i386_Packages)
(/var/lib/dpkg/status)
Description Language:
File:
/var/lib/apt/lists/de.archive.ubuntu.com_ubuntu_dists_maverick_main_binary-i386_Packages
MD5: aefc4200d84a6f2aee6f342bdd88dc24
Reverse Depends:
libgl1-mesa-dri-experimental,libdrm2 2.3.1
i965-va-driver,libdrm2 2.3.1
xserver-xorg-video-vmware,libdrm2 2.3.1
xserver-xorg-video-vesa,libdrm2 2.4.3
xserver-xorg-video-radeon,libdrm2 2.4.16
xserver-xorg-video-openchrome,libdrm2 2.3.1
xserver-xorg-video-nv,libdrm2 2.4.3
xserver-xorg-video-intel,libdrm2 2.4.17
xserver-xorg-core,libdrm2 2.3.1
xserver-xephyr,libdrm2 2.3.1
plymouth,libdrm2 2.4.3
libva-x11-1,libdrm2 2.3.1
libkms1,libdrm2 2.4.3
libgles2-mesa,libdrm2 2.3.1
libgles1-mesa,libdrm2 2.3.1
libgl1-mesa-glx,libdrm2 2.3.1
libgl1-mesa-dri,libdrm2 2.3.1
libegl1-mesa-drivers,libdrm2 2.4.3
libegl1-mesa,libdrm2 2.3.1
libdrm2-dbg,libdrm2 2.4.21-1ubuntu2
libdrm-radeon1,libdrm2 2.4.3
libdrm-nouveau1,libdrm2 2.4.3
libdrm-intel1,libdrm2 2.4.1
libdrm-dev,libdrm2 2.4.21-1ubuntu2
intel-gpu-tools,libdrm2 2.3.1
Dependencies:
2.4.21-1ubuntu2 - libc6 (2 2.7)
Provides:
2.4.21-1ubuntu2 -
Reverse Provides:
--
[arrandale] GPU lockup a5e3c267
https://bugs.launchpad.net/bugs/657296
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