# < git ls-remote /scratch/git/linus.git refs/heads/master
# < git rev-parse tmp/linus
remote == local, skipping fetch
# < git rev-parse tmp/linus
Upstream revision is 63a07cb64ccc3ceae619d3298545d602ab5ecd38
Head not built, building
# < git reset --mixed
# git branch -D linus
Deleted branch linus (was 63a07cb).
# git checkout -q -f -b linus tmp/linus
# < git ls-files --others --modified
# git ls-files --others --modified
cmd.log
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=i386 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/crosstool/gcc-4.4.3-nolibc/i386-linux/bin/i386-linux-  -f kisskb-version.mk
makewrap: Added distcc to CROSS_COMPILE
makewrap: Distcc hosts = sprygo/32 localhost/32
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 128
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=i386 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/crosstool/gcc-4.4.3-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
makewrap: Added distcc to CROSS_COMPILE
makewrap: Distcc hosts = sprygo/32 localhost/32
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 128
/scratch/kisskb/src/scripts/mkmakefile: line 24: cannot create temp file for here-document: No space left on device
make[1]: *** [outputmakefile] Error 1
make[1]: *** Waiting for unfinished jobs....
/scratch/kisskb/src/scripts/basic/fixdep.c:398: fatal error: error writing to /tmp/ccgfJNxq.s: No space left on device
compilation terminated.
make[2]: *** [scripts/basic/fixdep] Error 1
make[1]: *** [scripts_basic] Error 2
make: *** [sub-make] Error 2
make failed, trying to bisect ..
## bisect start
Last known good revision 3975d16760d4be7402d1067c548c30c427971331
# < git symbolic-ref HEAD
# < git merge-base 3975d16760d4be7402d1067c548c30c427971331 63a07cb64ccc3ceae619d3298545d602ab5ecd38

# < git ls-files --others --modified
# git ls-files --others --modified
cmd.log
# git bisect reset linus
Already on 'linus'
# git bisect start
# git bisect bad
# git bisect good 3975d16760d4be7402d1067c548c30c427971331
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[8d86dc6a5bcd0f1d5b9364d43843f1bb4b15f57a] Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)."
Trying 63a07cb64ccc3ceae619d3298545d602ab5ecd38

# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=i386 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/crosstool/gcc-4.4.3-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
makewrap: Added distcc to CROSS_COMPILE
makewrap: Distcc hosts = sprygo/32 localhost/32
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 128
/scratch/kisskb/src/scripts/mkmakefile: line 24: cannot create temp file for here-document: No space left on device
make[1]: *** [outputmakefile] Error 1
make[1]: *** Waiting for unfinished jobs....
/scratch/kisskb/src/scripts/basic/fixdep.c:398: fatal error: error writing to /tmp/cc1KdxgQ.s: No space left on device
compilation terminated.
make[2]: *** [scripts/basic/fixdep] Error 1
make[1]: *** [scripts_basic] Error 2
make: *** [sub-make] Error 2
bisect failed 63a07cb64ccc3ceae619d3298545d602ab5ecd38

# git bisect bad
Bisecting: 17 revisions left to test after this (roughly 4 steps)
[1eb38100abc467f1133e548d82ab171cab34292b] drm/nouveau: match U/DP script against SOR link
# < git symbolic-ref HEAD
fatal: ref HEAD is not a symbolic ref
Traceback (most recent call last):
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/backend.py", line 151, in _do_build
    self.bisect()
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/backend.py", line 228, in bisect
    current = self.current_head_revid()
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/backend.py", line 253, in current_head_revid
    ref = call_pipe('git symbolic-ref HEAD', self.log).strip()
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/utils.py", line 32, in call_pipe
    raise CommandFailedException(cmd, p.returncode)
CommandFailedException: Failed running "git symbolic-ref HEAD" (128)