Hm. Running “vbetool vgamode” while using a kernel-modesetting driver
like i915 is unlikely to do anything more useful than locking up your
GPU - as you've found :).
It's going to prod GPU registers behind the back of the i915 driver,
which will go merrily on assuming that it's the only thing dri
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Invalid
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[i965gm] GPU lockup a37135ff (EIR: 0x0010)
https://bugs.launchpad.net/bugs/648299
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** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/648299/+attachment/1640184/+files/BootDmesg.txt
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/648299/+attachment/1640185/+files/CurrentDmesg.txt
** Attachment added: "DRM.card0.SVIDEO.1.txt"