# < 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 e12ca23d41bd157354a5d1aadff30211a410c53a
Head not built, building
# < git reset --mixed
# git branch -D linus
Deleted branch linus (was e12ca23).
# 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=sh O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_migor_defconfig_sh4 CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/sh4-linux-  -f kisskb-version.mk
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 32
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=sh O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_migor_defconfig_sh4 CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/sh4-linux-  migor_defconfig
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 32
# /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=sh O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_migor_defconfig_sh4 CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/sh4-linux-  
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 32
  GEN     /scratch/kisskb/build/linus_migor_defconfig_sh4/Makefile
scripts/kconfig/conf --silentoldconfig Kconfig
  GEN     /scratch/kisskb/build/linus_migor_defconfig_sh4/Makefile
make[2]: Nothing to be done for `all'.
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/bin2c
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTLD  scripts/mod/modpost
  Using /scratch/kisskb/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  Generating include/generated/machtypes.h
  CC      kernel/bounds.s
  GEN     include/generated/bounds.h
  CC      arch/sh/kernel/asm-offsets.s
In file included from /scratch/kisskb/src/include/linux/sched.h:68,
                 from /scratch/kisskb/src/include/linux/cgroup.h:11,
                 from /scratch/kisskb/src/include/linux/memcontrol.h:22,
                 from /scratch/kisskb/src/include/linux/swap.h:8,
                 from /scratch/kisskb/src/include/linux/suspend.h:4,
                 from /scratch/kisskb/src/arch/sh/kernel/asm-offsets.c:15:
/scratch/kisskb/src/arch/sh/include/asm/ptrace.h: In function 'profile_pc':
/scratch/kisskb/src/arch/sh/include/asm/ptrace.h:134: error: implicit declaration of function 'instruction_pointer'
In file included from /scratch/kisskb/src/arch/sh/include/asm/ptrace.h:143,
                 from /scratch/kisskb/src/include/linux/sched.h:68,
                 from /scratch/kisskb/src/include/linux/cgroup.h:11,
                 from /scratch/kisskb/src/include/linux/memcontrol.h:22,
                 from /scratch/kisskb/src/include/linux/swap.h:8,
                 from /scratch/kisskb/src/include/linux/suspend.h:4,
                 from /scratch/kisskb/src/arch/sh/kernel/asm-offsets.c:15:
/scratch/kisskb/src/include/asm-generic/ptrace.h: At top level:
/scratch/kisskb/src/include/asm-generic/ptrace.h:22: error: conflicting types for 'instruction_pointer'
/scratch/kisskb/src/arch/sh/include/asm/ptrace.h:134: error: previous implicit declaration of 'instruction_pointer' was here
/scratch/kisskb/src/include/asm-generic/ptrace.h: In function 'frame_pointer':
/scratch/kisskb/src/include/asm-generic/ptrace.h:64: error: 'struct pt_regs' has no member named 'fp'
/scratch/kisskb/src/include/asm-generic/ptrace.h: In function 'frame_pointer_set':
/scratch/kisskb/src/include/asm-generic/ptrace.h:69: error: 'struct pt_regs' has no member named 'fp'
make[2]: *** [arch/sh/kernel/asm-offsets.s] Error 1
make[1]: *** [prepare0] Error 2
make: *** [sub-make] Error 2
make failed, trying to bisect ..
## bisect start
Last known good revision 4a7df24ddc7097cd789a7527187826552ea0765e
# < git symbolic-ref HEAD
# < git merge-base 4a7df24ddc7097cd789a7527187826552ea0765e e12ca23d41bd157354a5d1aadff30211a410c53a

# < 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 4a7df24ddc7097cd789a7527187826552ea0765e
Bisecting: 1052 revisions left to test after this (roughly 10 steps)
[4c171acc20794af16a27da25e11ec4e9cad5d9fa] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Trying e12ca23d41bd157354a5d1aadff30211a410c53a

# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=sh O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_migor_defconfig_sh4 CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/sh4-linux-  migor_defconfig
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 32
# /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=sh O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_migor_defconfig_sh4 CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/sh4-linux-  
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 32
  GEN     /scratch/kisskb/build/linus_migor_defconfig_sh4/Makefile
scripts/kconfig/conf --silentoldconfig Kconfig
  GEN     /scratch/kisskb/build/linus_migor_defconfig_sh4/Makefile
make[2]: Nothing to be done for `all'.
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  Using /scratch/kisskb/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
make[2]: `include/generated/machtypes.h' is up to date.
  CC      kernel/bounds.s
  GEN     include/generated/bounds.h
  CC      arch/sh/kernel/asm-offsets.s
  GEN     include/generated/asm-offsets.h
  CALL    /scratch/kisskb/src/scripts/checksyscalls.sh
  HOSTCC  usr/gen_init_cpio
  CHK     include/generated/compile.h
  CC      init/main.o
  CC      init/do_mounts.o
  CC      init/do_mounts_rd.o
  AS      arch/sh/kernel/debugtraps.o
  CC      init/do_mounts_initrd.o
  CC      arch/sh/mm/alignment.o
  CC      arch/sh/kernel/dma-nommu.o
  LD      arch/sh/boards/built-in.o
  CC      init/initramfs.o
  CC      arch/sh/mm/cache.o
  CC      arch/sh/kernel/dumpstack.o
  CC      arch/sh/mm/init.o
  CC      arch/sh/kernel/idle.o
  CC      arch/sh/mm/consistent.o
  CC      arch/sh/boards/mach-migor/setup.o
  CC      arch/sh/kernel/io.o
  AS      arch/sh/boards/mach-migor/sdram.o
  CC      arch/sh/kernel/irq.o
  CC      arch/sh/mm/mmap.o
  CC      arch/sh/boards/mach-migor/lcd_qvga.o
  CC      arch/sh/kernel/irq_32.o
  CC      arch/sh/mm/cache-sh4.o
  CC      arch/sh/kernel/kdebugfs.o
  CC      arch/sh/kernel/machvec.o
  CC      arch/sh/mm/flush-sh4.o
  UPD     include/generated/compile.h
  CC      mm/filemap.o
  CC      arch/sh/kernel/nmi_debug.o
  CC      arch/sh/mm/extable_32.o
  CC      mm/mempool.o
  CC      kernel/sched.o
  CC      arch/sh/kernel/process.o
  CC      init/version.o
  CC      ipc/util.o
  CC      fs/open.o
  GEN     usr/initramfs_data.cpio
  CC      arch/sh/kernel/process_32.o
  CC      arch/sh/mm/fault_32.o
  CC      arch/sh/kernel/ptrace.o
  AS      usr/initramfs_data.o
  LD      usr/built-in.o
  CC      arch/sh/kernel/ptrace_32.o
  CC      security/commoncap.o
In file included from /scratch/kisskb/src/kernel/sched.c:76:
/scratch/kisskb/src/arch/sh/include/asm/tlb.h: In function '__tlb_remove_page':
/scratch/kisskb/src/arch/sh/include/asm/tlb.h:92: error: implicit declaration of function 'free_page_and_swap_cache'
make[2]: *** [kernel/sched.o] Error 1
make[1]: *** [kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      fs/read_write.o
  CC      fs/file_table.o
  CC      arch/sh/kernel/reboot.o
  CC      arch/sh/kernel/return_address.o
  CC      mm/oom_kill.o
  CC      arch/sh/kernel/setup.o
  CC      arch/sh/mm/gup.o
  CC      mm/fadvise.o
  CC      arch/sh/kernel/signal_32.o
  CC      arch/sh/mm/ioremap.o
  CC      arch/sh/mm/kmap.o
  CC      arch/sh/mm/pgtable.o
  CC      arch/sh/mm/tlbflush_32.o
  CC      fs/super.o
  CC      arch/sh/kernel/sys_sh.o
  CC      arch/sh/mm/tlb-sh4.o
  CC      arch/sh/kernel/sys_sh32.o
  CC      ipc/msgutil.o
  CC      arch/sh/mm/tlb-urb.o
  CC      mm/maccess.o
  CC      security/min_addr.o
  CC      mm/page_alloc.o
  CC      ipc/msg.o
  LD      arch/sh/boards/mach-migor/built-in.o
  CC      arch/sh/mm/asids-debugfs.o
  CC      mm/page-writeback.o
  CC      mm/readahead.o
  AS      arch/sh/kernel/syscalls_32.o
  CC      mm/swap.o
  CC      arch/sh/mm/cache-debugfs.o
  CC      ipc/sem.o
In file included from /scratch/kisskb/src/arch/sh/mm/tlb-urb.c:15:
/scratch/kisskb/src/arch/sh/include/asm/tlb.h: In function '__tlb_remove_page':
/scratch/kisskb/src/arch/sh/include/asm/tlb.h:92: error: implicit declaration of function 'free_page_and_swap_cache'
make[2]: *** [arch/sh/mm/tlb-urb.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      ipc/shm.o
  CC      mm/truncate.o
  CC      fs/char_dev.o
  CC      arch/sh/kernel/time.o
  CC      arch/sh/kernel/topology.o
  CC      arch/sh/kernel/traps.o
  CC      mm/vmscan.o
  CC      arch/sh/kernel/traps_32.o
  CC      ipc/ipcns_notifier.o
  CC      mm/shmem.o
  LD      init/mounts.o
  CC      fs/stat.o
  LD      init/built-in.o
  CC      fs/exec.o
  CC      fs/pipe.o
  CC      ipc/syscall.o
  CC      fs/namei.o
  CC      fs/fcntl.o
  CC      fs/ioctl.o
  CC      arch/sh/kernel/unwinder.o
  CC      arch/sh/kernel/iomap.o
  CC      fs/readdir.o
  CC      ipc/ipc_sysctl.o
  CC      arch/sh/kernel/vsyscall/vsyscall.o
  CC      arch/sh/kernel/cpu/irq/imask.o
  LDS     arch/sh/kernel/vsyscall/vsyscall.lds
  CC      mm/prio_tree.o
make[1]: *** [arch/sh/mm] Error 2
  AS      arch/sh/kernel/vsyscall/vsyscall-trapa.o
  CC      arch/sh/kernel/sh_ksyms_32.o
  LD      arch/sh/kernel/cpu/irq/built-in.o
  AS      arch/sh/kernel/vsyscall/vsyscall-note.o
  CC      fs/select.o
  CC      arch/sh/kernel/cpu/sh4/probe.o
  CC      arch/sh/kernel/module.o
  CC      arch/sh/kernel/cpu/sh4a/setup-sh7722.o
  CC      arch/sh/kernel/cpu/sh4a/clock-sh7722.o
  CC      arch/sh/kernel/perf_event.o
  CC      arch/sh/kernel/perf_callchain.o
  CC      fs/fifo.o
  LD      ipc/built-in.o
  CC      arch/sh/kernel/cpu/shmobile/pm.o
  CC      arch/sh/kernel/cpu/init.o
  SYSCALL arch/sh/kernel/vsyscall/vsyscall-trapa.so
  SYSCALL arch/sh/kernel/vsyscall/vsyscall-syms.o
  CC      arch/sh/kernel/cpu/clock.o
  CC      arch/sh/kernel/cpu/sh4a/hwblk-sh7722.o
  AS      arch/sh/kernel/cpu/sh4/../sh3/entry.o
  AS      arch/sh/kernel/vsyscall/vsyscall-syscall.o
  CC      mm/util.o
  AS      arch/sh/kernel/cpu/sh4/../sh3/ex.o
  LD      arch/sh/kernel/vsyscall/built-in.o
  CC      mm/mmzone.o
  LD      arch/sh/kernel/cpu/sh4/common.o
  LD      arch/sh/kernel/cpu/sh4/built-in.o
  CC      mm/vmstat.o
  CC      arch/sh/kernel/hw_breakpoint.o
  CC      mm/backing-dev.o
  CC      fs/dcache.o
  CC      arch/sh/kernel/cpu/fpu.o
  CC      mm/page_isolation.o
  CC      arch/sh/kernel/cpu/hwblk.o
  AS      arch/sh/kernel/head_32.o
  CC      fs/inode.o
  CC      fs/attr.o
  AS      arch/sh/kernel/cpu/shmobile/sleep.o
  CC      arch/sh/kernel/cpu/shmobile/pm_runtime.o
  CC      arch/sh/kernel/init_task.o
  CC      fs/bad_inode.o
  CC      arch/sh/kernel/cpu/sh4a/pinmux-sh7722.o
  CC      mm/mm_init.o
  LDS     arch/sh/kernel/vmlinux.lds
  CC      fs/file.o
  CC      arch/sh/kernel/cpu/sh4a/perf_event.o
  CC      mm/mmu_context.o
  CC      arch/sh/kernel/cpu/sh4a/ubc.o
  CC      arch/sh/kernel/cpu/proc.o
  CC      fs/filesystems.o
  CC      fs/namespace.o
  CC      mm/percpu.o
  CC      fs/seq_file.o
  CC      fs/xattr.o
  CC      fs/libfs.o
  CC      mm/fremap.o
  CC      fs/fs-writeback.o
  CC      mm/highmem.o
  CC      mm/madvise.o
  CC      fs/pnode.o
  CC      fs/drop_caches.o
  CC      mm/memory.o
  CC      fs/splice.o
  LD      security/built-in.o
  CC      fs/sync.o
  CC      fs/utimes.o
  CC      fs/stack.o
  CC      mm/mincore.o
  CC      mm/mlock.o
  CC      mm/mmap.o
  LD      arch/sh/kernel/cpu/sh4a/built-in.o
  LD      arch/sh/kernel/cpu/shmobile/built-in.o
  CC      mm/mprotect.o
  CC      mm/mremap.o
  CC      mm/msync.o
  LD      arch/sh/kernel/cpu/built-in.o
  LD      arch/sh/kernel/built-in.o
  CC      mm/rmap.o
  CC      mm/vmalloc.o
  CC      mm/pagewalk.o
  CC      fs/fs_struct.o
  CC      fs/statfs.o
  CC      mm/pgtable-generic.o
  CC      mm/init-mm.o
  CC      fs/buffer.o
  CC      fs/bio.o
  CC      mm/bootmem.o
  CC      fs/block_dev.o
  CC      fs/direct-io.o
  CC      fs/mpage.o
  CC      fs/ioprio.o
  CC      mm/memblock.o
  CC      fs/debugfs/inode.o
  CC      fs/debugfs/file.o
In file included from /scratch/kisskb/src/mm/pgtable-generic.c:11:
/scratch/kisskb/src/arch/sh/include/asm/tlb.h: In function '__tlb_remove_page':
/scratch/kisskb/src/arch/sh/include/asm/tlb.h:92: error: implicit declaration of function 'free_page_and_swap_cache'
make[2]: *** [mm/pgtable-generic.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      fs/devpts/inode.o
  CC      fs/lockd/clntlock.o
  CC      fs/lockd/clntproc.o
  CC      fs/nfs/client.o
  LD      fs/nfs_common/built-in.o
  CC      fs/notify/fsnotify.o
  CC      fs/notify/notification.o
  CC      fs/lockd/clntxdr.o
  CC      fs/lockd/host.o
  CC      fs/partitions/check.o
  CC      fs/proc/mmu.o
  LD      fs/devpts/devpts.o
  LD      fs/devpts/built-in.o
  CC      fs/proc/task_mmu.o
  CC      fs/partitions/msdos.o
  CC      fs/proc/inode.o
  CC      fs/lockd/svc.o
  LD      fs/quota/built-in.o
  CC      fs/lockd/svclock.o
  CC      fs/ramfs/inode.o
  CC      fs/ramfs/file-mmu.o
  CC      fs/sysfs/inode.o
  CC      fs/lockd/svcshare.o
  CC      fs/notify/group.o
  CC      fs/lockd/svcproc.o
  CC      fs/sysfs/file.o
  CC      fs/notify/inode_mark.o
  CC      fs/notify/mark.o
  CC      fs/nfs/dir.o
  LD      fs/debugfs/debugfs.o
  LD      fs/debugfs/built-in.o
  CC      fs/eventpoll.o
  CC      fs/anon_inodes.o
  CC      fs/signalfd.o
  CC      fs/timerfd.o
  CC      fs/proc/root.o
/scratch/kisskb/src/mm/bootmem.c: In function 'mark_bootmem':
/scratch/kisskb/src/mm/bootmem.c:354: warning: control reaches end of non-void function
  CC      fs/lockd/svcsubs.o
  LD      fs/ramfs/ramfs.o
  CC      fs/lockd/mon.o
  LD      fs/ramfs/built-in.o
  CC      fs/eventfd.o
  CC      fs/sysfs/dir.o
  CC      fs/proc/base.o
  LD      fs/partitions/built-in.o
  CC      fs/sysfs/symlink.o
  CC      fs/notify/vfsmount_mark.o
  CC      fs/lockd/xdr.o
  LD      fs/notify/dnotify/built-in.o
  CC      fs/proc/generic.o
  LD      fs/notify/fanotify/built-in.o
  CC      fs/notify/inotify/inotify_fsnotify.o
  CC      fs/nfs/file.o
  CC      fs/aio.o
  CC      fs/locks.o
  CC      fs/notify/inotify/inotify_user.o
  CC      fs/lockd/grace.o
  CC      fs/proc/array.o
  CC      fs/proc/proc_tty.o
  CC      fs/binfmt_script.o
  CC      fs/sysfs/mount.o
  CC      fs/sysfs/bin.o
  CC      fs/binfmt_elf.o
  CC      fs/sysfs/group.o
  CC      fs/proc/cmdline.o
  CC      fs/nfs/getroot.o
  CC      fs/proc/consoles.o
  CC      fs/nfs/inode.o
  CC      fs/proc/cpuinfo.o
  CC      fs/dcookies.o
  CC      fs/nfs/super.o
  CC      fs/nfs/nfs2xdr.o
make[1]: *** [mm] Error 2
  CC      fs/nfs/direct.o
  CC      fs/nfs/pagelist.o
  CC      fs/nfs/proc.o
  CC      fs/proc/devices.o
  CC      fs/proc/interrupts.o
  CC      fs/proc/loadavg.o
  CC      fs/proc/meminfo.o
  CC      fs/nfs/read.o
  LD      fs/notify/inotify/built-in.o
  CC      fs/nfs/symlink.o
  LD      fs/notify/built-in.o
  CC      fs/nfs/unlink.o
  CC      fs/proc/stat.o
  CC      fs/proc/uptime.o
  CC      fs/proc/version.o
  CC      fs/proc/softirqs.o
  CC      fs/nfs/write.o
  CC      fs/proc/namespaces.o
  CC      fs/proc/proc_sysctl.o
  CC      fs/nfs/namespace.o
  CC      fs/nfs/mount_clnt.o
  CC      fs/nfs/dns_resolve.o
  LD      fs/sysfs/built-in.o
  CC      fs/nfs/cache_lib.o
  CC      fs/proc/proc_net.o
  CC      fs/nfs/nfsroot.o
  CC      fs/proc/kcore.o
  LD      fs/lockd/lockd.o
  LD      fs/lockd/built-in.o
  CC      fs/proc/kmsg.o
  CC      fs/proc/page.o
  CC      fs/nfs/sysctl.o
  LD      fs/proc/proc.o
  LD      fs/proc/built-in.o
  LD      fs/nfs/nfs.o
  LD      fs/nfs/built-in.o
  LD      fs/built-in.o
make[1]: *** wait: No child processes.  Stop.
make: *** [sub-make] Error 2
bisect failed e12ca23d41bd157354a5d1aadff30211a410c53a

# git bisect bad
Bisecting: 525 revisions left to test after this (roughly 9 steps)
[4e8a780ed6e1fdb8af203f61718212d5739bc4a0] Merge branch 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
# < 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)