git bisect start
# bad: [370ce45b5986118fa496dddbcd7039e1aa1a418f] drm/radeon/cik: use a separate counter for CP init timeout
git bisect bad 370ce45b5986118fa496dddbcd7039e1aa1a418f
# good: [e8c214d22e76dd0ead38f97f8d2dc09aac70d651] drm/radeon: fix irq ring buffer overflow handling
git bisect good e8c214d22e76dd0ead38f97f8d2dc09aac70d651
# good: [ae045e2455429c418a418a3376301a9e5753a0a8] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
git bisect good ae045e2455429c418a418a3376301a9e5753a0a8
# bad: [0a44e68ca0a8456ed33c62c99b8c42bebdcbbc8c] Merge tag 'defconfig-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect bad 0a44e68ca0a8456ed33c62c99b8c42bebdcbbc8c
# good: [54c72d5987ff9f3cf59529d5d4f5cf19eae3f695] Merge tag 'mfd-for-linus-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
git bisect good 54c72d5987ff9f3cf59529d5d4f5cf19eae3f695
# bad: [44c916d58b9ef1f2c4aec2def57fa8289c716a60] Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect bad 44c916d58b9ef1f2c4aec2def57fa8289c716a60
# good: [c759606c96dc052373d4c36ea383595da46b04e9] Merge tag 'drm-intel-next-2014-07-25-merged' of git://anongit.freedesktop.org/drm-intel into drm-next
git bisect good c759606c96dc052373d4c36ea383595da46b04e9
# bad: [a7d7a143d0b4cb1914705884ca5c25e322dba693] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
git bisect bad a7d7a143d0b4cb1914705884ca5c25e322dba693
# bad: [21d70354bba9965a098382fc4d7fb17e138111f3] drm: move drm_stub.c to drm_drv.c
git bisect bad 21d70354bba9965a098382fc4d7fb17e138111f3
# good: [77497f2735ad6e29c55475e15e9790dbfa2c2ef8] drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly
git bisect good 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
# bad: [0aea5e4aa299c465afafc77883ea2c19475036b1] drm/radeon: use an intervall tree to manage the VMA v2
git bisect bad 0aea5e4aa299c465afafc77883ea2c19475036b1
# bad: [810b73d1909298b67db5c7c047ed99b487ff7341] drm/radeon: Use write-combined CPU mappings of IBs on >= CIK
git bisect bad 810b73d1909298b67db5c7c047ed99b487ff7341
# bad: [4807c5a8a0c87a210c36e3ad74c451a909d88588] drm/radeon: add a PX quirk list
git bisect bad 4807c5a8a0c87a210c36e3ad74c451a909d88588
# bad: [ccbe0060aabb097bdb96510dc0390ed8f79326ea] drm/radeon: use vram/gart pinned size in radeon_gem_info_ioctl
git bisect bad ccbe0060aabb097bdb96510dc0390ed8f79326ea
# bad: [71ecc97eaa365b5020cd85a793f4d59c96c81e68] drm/radeon: track pinned memory (v2)
git bisect bad 71ecc97eaa365b5020cd85a793f4d59c96c81e68
# bad: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)
git bisect bad 02376d8282b88f07d0716da6155094c8760b1a13
# first bad commit: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)