Hi,I recently encountered some problems with the v2.6.32 kernel and the intel kms. Xorg does not crash but there are graphical corruption all over the place and the kernel indicates that the gpu is hanging. I try to bisect the problem and obtained the following output from git (linus kernel)
git bisect start 'drivers/gpu' 'arch/x86_64/'# bad: [053fe57ac249a9531c396175778160d9e9509399] Merge git://git.kernel.org/pub
/scm/linux/kernel/git/davem/net-2.6 git bisect bad 053fe57ac249a9531c396175778160d9e9509399 # good: [74fca6a42863ffacaf7ba6f1936a9f228950f657] Linux 2.6.31 git bisect good 74fca6a42863ffacaf7ba6f1936a9f228950f657# bad: [d8a2d0e00c0d5a0d55e14b884bff034205015e51] drm/i915: HDMI hardware workar
ound for Ironlake git bisect bad d8a2d0e00c0d5a0d55e14b884bff034205015e51# bad: [d50ba256b5f1478e15accfcfda9b72fd7a661364] drm/kms: start adding command
line interface using fb. git bisect bad d50ba256b5f1478e15accfcfda9b72fd7a661364# good: [551ebd837c75fc75df81811a18b7136c39cab487] drm/radeon/kms: add rn50/r100
/r200 CS tracker. git bisect good 551ebd837c75fc75df81811a18b7136c39cab487# good: [fdd5cace733370ab7a518a98ef084e02aa76fdea] drm/radeon/kms: Don't kzalloc
memory which is immediately overwritten. git bisect good fdd5cace733370ab7a518a98ef084e02aa76fdea# good: [698443d9ec1a33eff65b27b9514e06998bf57eb3] drm/radeon/kms: disable VGA r
endering engine before taking over VRAM git bisect good 698443d9ec1a33eff65b27b9514e06998bf57eb3# good: [c214271563c00f2721c5111e27b53bf06dabc6e4] drm/radeon: consolidate famil
y flags used in pciids. git bisect good c214271563c00f2721c5111e27b53bf06dabc6e4# good: [93dc6c2b0d97a55508144073838e041140b206cd] drm/edid: Detailed standard t
iming blocks have six timings, not five. git bisect good 93dc6c2b0d97a55508144073838e041140b206cd# good: [4bbd4973703bf8a5f00f05eff30a99cd9814f37f] drm/radeon/kms: enable r600 t
v outputs. git bisect good 4bbd4973703bf8a5f00f05eff30a99cd9814f37f# good: [513bcb4655e68706594e45dfa1d4b181500110ba] drm/radeon/kms: don't require
up to 64k allocations. (v2) git bisect good 513bcb4655e68706594e45dfa1d4b181500110baI have all config and dmesg files for the tested configurations as well as the kernels. I should also indicate that the third bisect bad gives rise to a kernel that does not boot.
Arch information: x86_64 brand : sony vgn-sz71 intel chipset : i965GM intel xorg driver : updated git tree xserver : git tree mesa : git tree drm : git treeI hope this will help to solve the problem, because I can not use the official kernel branch otherwise.
best regards Mathieu
dmesg.1.gz
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