Public bug reported:
About one in four times, booting fails with the error message:
kernel BUG at /build/buildd/linux-3.2.0/drivers/gpu/drm/ttm/ttm_bo.c:272!
Invalid opcode: [#1] SMP
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-25-generic 3.2.0-25.40
ProcVersionSig
** Attachment added: "Error message log"
https://bugs.launchpad.net/bugs/1014039/+attachment/3192397/+files/kern.log
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https://bugs.launchpad.net/bugs/1014039
Title:
kernel BUG at
/
** Description changed:
About one in four times, booting fails with the error message:
kernel BUG at /build/buildd/linux-3.2.0/drivers/gpu/drm/ttm/ttm_bo.c:272!
Invalid opcode: [#1] SMP
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-25-generic 3.2.0-25.
** Tags removed: needs-upstream-testing staging
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1014039
Title:
kernel BUG at
/build/buildd/linux-3.2.0/drivers/gp
I tested with the mainline kernel version 3.3.7-030307-generic as requested.
I tested various scenarios, multiple times; cold boot, reboot from ubuntu,
reboot from windows with discrete gpu enabled into ubuntu (which was the
problematic one). The problem didn't occur anymore, so I guess this is
