git bisect start
# good: [d8ec26d7f8287f5788a494f56e8814210f0e64be] Linux 3.13
git bisect good d8ec26d7f8287f5788a494f56e8814210f0e64be
# bad: [38dbfb59d1175ef458d006556061adeaa8751b72] Linus 3.14-rc1
git bisect bad 38dbfb59d1175ef458d006556061adeaa8751b72
# good: [6ff4b105163223741f5a82804f9695221017ae42] i2c: rcar: fix NACK error code
git bisect good 6ff4b105163223741f5a82804f9695221017ae42
# bad: [2d2e7d195b902c419bc0b69ced026aca444d69a8] Merge tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
git bisect bad 2d2e7d195b902c419bc0b69ced026aca444d69a8
# good: [7ed3f5f0105d1e7f27551e6bc32413cc744c7b9f] i40evf: fix s390 build failure due to implicit prefetch.h
git bisect good 7ed3f5f0105d1e7f27551e6bc32413cc744c7b9f
# good: [3ad88cf70af79e6f19c4f89dd85453ba4fdf425e] tcp: metrics: Handle v6/v4-mapped sockets in tcp-metrics
git bisect good 3ad88cf70af79e6f19c4f89dd85453ba4fdf425e
# bad: [8e585a6c4abdef8562308f3f307aeea6cf168e8b] Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
git bisect bad 8e585a6c4abdef8562308f3f307aeea6cf168e8b
# bad: [91466574be1a3701fab4abf5ac1539b556575a81] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
git bisect bad 91466574be1a3701fab4abf5ac1539b556575a81
# bad: [4ff913373a77b99cbe3c5df3c76d2622006200d6] Merge branches 'pm-sleep', 'pm-runtime' and 'pm-apm'
git bisect bad 4ff913373a77b99cbe3c5df3c76d2622006200d6
# good: [25d412d932fb3289ae5b510845d523330b80bb71] Merge branch 'acpi-hotplug'
git bisect good 25d412d932fb3289ae5b510845d523330b80bb71
# bad: [3e7cc142c1e040fd4629ad34a54b1c5b46dc3dd3] Merge branch 'acpica'
git bisect bad 3e7cc142c1e040fd4629ad34a54b1c5b46dc3dd3
# bad: [4bec3d80a0c596cbde846cfb424058e1374ad6ff] ACPICA: Improve exception handling for GPE block installation.
git bisect bad 4bec3d80a0c596cbde846cfb424058e1374ad6ff
# bad: [671cc68dc61f029d44b43a681356078e02d8dab8] ACPICA: Back port and refine validation of the XSDT root table.
git bisect bad 671cc68dc61f029d44b43a681356078e02d8dab8
# good: [5af2b6351b3cc0dadd6888928005a61f2667c80d] ACPICA: Disassembler: Improve pathname support for emitted External() statements.
git bisect good 5af2b6351b3cc0dadd6888928005a61f2667c80d
# good: [b1c1029d72730bd18cee3518965cf699af708322] ACPICA: Linux Header: Remove unused OSL prototypes.
git bisect good b1c1029d72730bd18cee3518965cf699af708322
# first bad commit: [671cc68dc61f029d44b43a681356078e02d8dab8] ACPICA: Back port and refine validation of the XSDT root table.