git bisect start
# good: [1860e379875dfe7271c649058aeddffe5afd9d0d] Linux 3.15
git bisect good 1860e379875dfe7271c649058aeddffe5afd9d0d
# bad: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16
git bisect bad 19583ca584d6f574384e17fe7613dfaeadcdc4a6
# bad: [7b215de3d0abbc4f6daf2efd19e8809af0564490] Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into next
git bisect bad 7b215de3d0abbc4f6daf2efd19e8809af0564490
# good: [5142c33ed86acbcef5c63a63d2b7384b9210d39f] Merge tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging into next
git bisect good 5142c33ed86acbcef5c63a63d2b7384b9210d39f
# good: [15b588303155b22edd559672905db8e59a44ef9a] Merge tag 'fbdev-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into next
git bisect good 15b588303155b22edd559672905db8e59a44ef9a
# bad: [d62cf81524304396276f6aaa5cd7ce62f6f65110] init/main.c: don't use pr_debug()
git bisect bad d62cf81524304396276f6aaa5cd7ce62f6f65110
# good: [a58bdba749b36069ec372da9c9fd16017b6c0b47] Merge branch 'topic/firewire' into for-next
git bisect good a58bdba749b36069ec372da9c9fd16017b6c0b47
# good: [367464362591d89b371e2a690638e9bc899d8ebb] intel-iommu: integrate DMA CMA
git bisect good 367464362591d89b371e2a690638e9bc899d8ebb
# bad: [cfc47a2803db42140167b92d991ef04018e162c7] mm: page_alloc: lookup pageblock migratetype with IRQs enabled during free
git bisect bad cfc47a2803db42140167b92d991ef04018e162c7
# bad: [7c8e0181e6e0b8079c4c2ce902bf52d7a2c6fa5d] mm: replace __get_cpu_var uses with this_cpu_ptr
git bisect bad 7c8e0181e6e0b8079c4c2ce902bf52d7a2c6fa5d
# good: [c96b9e508f3d06ddb601dcc9792d62c044ab359e] mm/compaction: cleanup isolate_freepages()
git bisect good c96b9e508f3d06ddb601dcc9792d62c044ab359e
# good: [11de9927f9dd3cb0a0f18064fa4b6976fc37e79c] mm: numa: add migrated transhuge pages to LRU the same way as base pages
git bisect good 11de9927f9dd3cb0a0f18064fa4b6976fc37e79c
# bad: [a72132c31d580969a38972aaf925915e861cd342] brd: add support for rw_page()
git bisect bad a72132c31d580969a38972aaf925915e861cd342
# good: [90768eee4565adb28ea28b4ac5081c676a8fe1f2] fs/mpage.c: factor clean_buffers() out of __mpage_writepage()
git bisect good 90768eee4565adb28ea28b4ac5081c676a8fe1f2
# good: [47a191fd38ebddb1bd1510ec2bc1085c578c8868] fs/block_dev.c: add bdev_read_page() and bdev_write_page()
git bisect good 47a191fd38ebddb1bd1510ec2bc1085c578c8868
# good: [dd6bd0d9c7dbb3951005db4e424abbd37c4ff801] swap: use bdev_read_page() / bdev_write_page()
git bisect good dd6bd0d9c7dbb3951005db4e424abbd37c4ff801
# first bad commit: [a72132c31d580969a38972aaf925915e861cd342] brd: add support for rw_page()