git bisect start
# bad: [3314bf6ba2ac8f1a2dd0d55a980835a258f1a45d] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
git bisect bad 3314bf6ba2ac8f1a2dd0d55a980835a258f1a45d
# good: [bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9] Linux 3.17
git bisect good bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9
# good: [0cf744bc7ae8e0072159a901f6e1a159bbc30ffa] Merge branch 'akpm' (fixes from Andrew Morton)
git bisect good 0cf744bc7ae8e0072159a901f6e1a159bbc30ffa
# bad: [2d65a9f48fcdf7866aab6457bc707ca233e0c791] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
git bisect bad 2d65a9f48fcdf7866aab6457bc707ca233e0c791
# good: [d0ca47575ab3b41bb7f0fe5feec13c6cddb2913a] Merge branch 'parisc-3.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
git bisect good d0ca47575ab3b41bb7f0fe5feec13c6cddb2913a
# good: [64e455079e1bd7787cc47be30b7f601ce682a5f6] mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared
git bisect good 64e455079e1bd7787cc47be30b7f601ce682a5f6
# good: [29a7d1795a0376beee6c0f7515fae3789277e03e] Merge branch 'drm-next-ast-fixes' of ssh://people.freedesktop.org/~/linux into drm-next
git bisect good 29a7d1795a0376beee6c0f7515fae3789277e03e
# bad: [186b1b2ba2a0684e3d2d3703427a993a3b35b16d] drm/radeon/dpm: drop clk/voltage dependency filters for SI
git bisect bad 186b1b2ba2a0684e3d2d3703427a993a3b35b16d
# good: [951468f33118d1183fd22a5e8450b80a5afc0dd9] drm/i915: Add comments explaining the vdd on/off functions
git bisect good 951468f33118d1183fd22a5e8450b80a5afc0dd9
# bad: [b478e336b3e75505707a11e78ef8b964ef0a03af] drm/tilcdc: Fix the error path in tilcdc_load()
git bisect bad b478e336b3e75505707a11e78ef8b964ef0a03af
# good: [d6bbafa183793537d8dca4d4c2e448805e59448a] drm/i915: Check for a stalled page flip after each vblank
git bisect good d6bbafa183793537d8dca4d4c2e448805e59448a
# good: [a12624959ad4e3bfa8c344ad71728ffc9a379158] drm/i915: Update DRIVER_DATE to 20140905
git bisect good a12624959ad4e3bfa8c344ad71728ffc9a379158
# bad: [40d201af0b9e6196a210b97d3b2493b1156564f6] Merge tag 'drm-intel-next-2014-09-05' of git://anongit.freedesktop.org/drm-intel into drm-next
git bisect bad 40d201af0b9e6196a210b97d3b2493b1156564f6
# first bad commit: [40d201af0b9e6196a210b97d3b2493b1156564f6] Merge tag 'drm-intel-next-2014-09-05' of git://anongit.freedesktop.org/drm-intel into drm-next