# < git ls-remote git://fs.ozlabs.ibm.com/home/kernel/upstream refs/heads/master
# < git rev-parse tmp/linus
remote == local, skipping fetch
# < git rev-parse tmp/linus
Upstream revision is 01bf0b64579ead8a82e7cfc32ae44bc667e7ad0f
Head not built, building
# < git reset --mixed
# git branch -D linus
Deleted branch linus (was 01bf0b6).
# 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=um O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_um-defconfig_um-i386 CROSS_COMPILE=/opt/crosstool/gcc-4.2.3-glibc-2.3.6/i386-unknown-linux-gnu/bin/i386-unknown-linux-gnu- SUBARCH=i386 -f kisskb-version.mk
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=um O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_um-defconfig_um-i386 CROSS_COMPILE=/opt/crosstool/gcc-4.2.3-glibc-2.3.6/i386-unknown-linux-gnu/bin/i386-unknown-linux-gnu- SUBARCH=i386 defconfig
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
# /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=um O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linus_um-defconfig_um-i386 CROSS_COMPILE=/opt/crosstool/gcc-4.2.3-glibc-2.3.6/i386-unknown-linux-gnu/bin/i386-unknown-linux-gnu- SUBARCH=i386 
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
  GEN     /scratch/kisskb/build/linus_um-defconfig_um-i386/Makefile
scripts/kconfig/conf -s arch/um/Kconfig.x86
  CC      arch/um/sys-i386/user-offsets.s
  GEN     /scratch/kisskb/build/linus_um-defconfig_um-i386/Makefile
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  CHK     arch/um/include/shared/user_constants.h
  UPD     arch/um/include/shared/user_constants.h
  Using /scratch/kisskb/src as source for kernel
  HOSTCC  scripts/kallsyms
  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
  CC      kernel/bounds.s
  GEN     include/generated/bounds.h
  CC      arch/um/kernel/asm-offsets.s
  GEN     include/generated/asm-offsets.h
  CALL    /scratch/kisskb/src/scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      init/main.o
  CC      init/do_mounts.o
  CC      init/noinitramfs.o
  CC      init/calibrate.o
  LD      usr/built-in.o
  UPD     include/generated/compile.h
  CC      init/version.o
  QUOTE   arch/um/kernel/config.tmp
  CC      arch/um/kernel/exec.o
  CC      arch/um/kernel/exitcode.o
  CC      arch/um/kernel/init_task.o
  CC      arch/um/kernel/irq.o
  CC      arch/um/kernel/ksyms.o
  CC      arch/um/kernel/mem.o
  CC      arch/um/kernel/physmem.o
  CC      arch/um/kernel/process.o
  CC      arch/um/kernel/ptrace.o
  CC      arch/um/kernel/reboot.o
  CC      arch/um/drivers/stdio_console.o
  CC      arch/um/os-Linux/aio.o
  CC      arch/um/drivers/fd.o
  CC      arch/um/drivers/chan_kern.o
  CC      arch/um/drivers/chan_user.o
  CC      arch/um/drivers/line.o
  CC      arch/um/sys-i386/bug.o
  CC      arch/um/drivers/ssl.o
  CC      arch/um/kernel/sigio.o
  CC      arch/um/drivers/stderr_console.o
  CC      arch/um/drivers/daemon_kern.o
  CC      arch/um/sys-i386/bugs.o
  CC      arch/um/drivers/daemon_user.o
  CC      arch/um/kernel/signal.o
  CC      arch/um/kernel/smp.o
  LD      arch/x86/crypto/built-in.o
/scratch/kisskb/src/arch/um/drivers/line.c: In function 'line_interrupt':
/scratch/kisskb/src/arch/um/drivers/line.c:21: warning: unused variable 'tty'
/scratch/kisskb/src/arch/um/drivers/line.c: In function 'buffer_data':
/scratch/kisskb/src/arch/um/drivers/line.c:98: error: implicit declaration of function 'kmalloc'
/scratch/kisskb/src/arch/um/drivers/line.c:98: warning: assignment makes pointer from integer without a cast
/scratch/kisskb/src/arch/um/drivers/line.c: In function 'free_winch':
/scratch/kisskb/src/arch/um/drivers/line.c:740: error: implicit declaration of function 'kfree'
/scratch/kisskb/src/arch/um/drivers/line.c: In function 'register_winch_irq':
/scratch/kisskb/src/arch/um/drivers/line.c:785: warning: assignment makes pointer from integer without a cast
/scratch/kisskb/src/arch/um/drivers/line.c: In function 'add_xterm_umid':
/scratch/kisskb/src/arch/um/drivers/line.c:864: warning: assignment makes pointer from integer without a cast
make[2]: *** [arch/um/drivers/line.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      arch/um/kernel/syscall.o
  CC      arch/um/kernel/sysrq.o
  CC      arch/um/kernel/time.o
  AS      arch/um/sys-i386/checksum.o
  CC      arch/um/sys-i386/delay.o
  CC      arch/um/sys-i386/fault.o
  CC      kernel/sched.o
  CC      kernel/fork.o
  CC      arch/um/os-Linux/elf_aux.o
  CC      arch/um/sys-i386/ksyms.o
  LD      init/mounts.o
  CC      mm/bootmem.o
  LD      init/built-in.o
  CC      arch/um/sys-i386/ldt.o
  CC      kernel/exec_domain.o
  CC      arch/um/os-Linux/execvp.o
  CC      kernel/panic.o
  CC      arch/um/os-Linux/file.o
make[1]: *** [arch/um/drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      arch/um/os-Linux/helper.o
  CC      arch/um/sys-i386/ptrace.o
  CC      kernel/printk.o
  CC      arch/um/kernel/tlb.o
  CC      arch/um/os-Linux/irq.o
  CC      mm/filemap.o
/scratch/kisskb/src/arch/um/os-Linux/helper.c:11:24: error: linux/slab.h: No such file or directory
  CC      mm/mempool.o
  CC      mm/oom_kill.o
make[2]: *** [arch/um/os-Linux/helper.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      arch/um/kernel/trap.o
  CC      arch/um/kernel/uaccess.o
  CC      mm/fadvise.o
  CC      kernel/cpu.o
  CC      kernel/exit.o
make[1]: *** [arch/um/os-Linux] Error 2
  CC      arch/um/sys-i386/ptrace_user.o
  CC      mm/maccess.o
  AS      arch/um/sys-i386/setjmp.o
  CC      mm/page_alloc.o
  CC      kernel/itimer.o
  CC      arch/um/sys-i386/signal.o
  CC      mm/page-writeback.o
  CC      arch/um/kernel/um_arch.o
  TIMEC   kernel/timeconst.h
  CC      arch/um/kernel/umid.o
  AS      arch/um/sys-i386/stub.o
  CC      kernel/softirq.o
  CC      arch/um/kernel/skas/clone.o
  CC      arch/um/kernel/skas/mmu.o
  CC      mm/readahead.o
  LDS     arch/um/kernel/vmlinux.lds
  QUOTE   arch/um/kernel/config.c
  CC      arch/um/kernel/config.o
  CC      arch/um/kernel/skas/process.o
  CC      arch/um/sys-i386/stub_segv.o
  CC      arch/um/kernel/skas/syscall.o
  CC      arch/um/kernel/skas/uaccess.o
  CC      mm/swap.o
  CC      arch/um/sys-i386/syscalls.o
  CC      mm/truncate.o
/scratch/kisskb/src/arch/um/kernel/skas/syscall.c:13:1: warning: "NR_syscalls" redefined
In file included from /scratch/kisskb/src/arch/x86/include/asm/unistd.h:3,
                 from /scratch/kisskb/src/arch/um/sys-i386/shared/sysdep/syscalls.h:6,
                 from /scratch/kisskb/src/arch/um/kernel/skas/syscall.c:10:
/scratch/kisskb/src/arch/x86/include/asm/unistd_32.h:349:1: warning: this is the location of the previous definition
  CC      kernel/resource.o
  CC      mm/vmscan.o
  CC      arch/um/sys-i386/sysrq.o
  AS      arch/um/sys-i386/sys_call_table.o
  CC      arch/um/sys-i386/tls.o
  CC      mm/shmem.o
  LD      arch/um/kernel/skas/built-in.o
  LD      arch/um/kernel/built-in.o
  CC      arch/um/sys-i386/elfcore.o
  CC      kernel/sysctl.o
In file included from /scratch/kisskb/src/include/linux/elf.h:7,
                 from /scratch/kisskb/src/arch/um/sys-i386/elfcore.c:1:
/scratch/kisskb/src/arch/um/sys-i386/asm/elf.h:78: warning: 'struct task_struct' declared inside parameter list
/scratch/kisskb/src/arch/um/sys-i386/asm/elf.h:78: warning: its scope is only this definition or declaration, which is probably not what you want
  AS      arch/um/sys-i386/../../x86/lib/semaphore_32.o
  CC      arch/um/sys-i386/../../x86/lib/string_32.o
  CC      arch/um/sys-i386/../../x86/kernel/module.o
  CC      mm/prio_tree.o
  CC      kernel/sysctl_binary.o
  CC      kernel/capability.o
  CC      mm/util.o
  CC      kernel/ptrace.o
  CC      mm/mmzone.o
  LD      arch/um/sys-i386/subarch.o
  LD      arch/um/sys-i386/built-in.o
  CC      kernel/timer.o
  CC      kernel/user.o
  CC      mm/vmstat.o
  CC      mm/backing-dev.o
  CC      kernel/signal.o
  CC      mm/page_isolation.o
  CC      kernel/sys.o
  CC      kernel/kmod.o
  CC      mm/mm_init.o
  CC      kernel/workqueue.o
  CC      kernel/pid.o
  CC      mm/mmu_context.o
  CC      kernel/rcupdate.o
  CC      kernel/extable.o
  CC      mm/fremap.o
  CC      kernel/params.o
  CC      mm/highmem.o
  CC      mm/madvise.o
  CC      kernel/posix-timers.o
  CC      mm/memory.o
  CC      kernel/kthread.o
  CC      mm/mincore.o
  CC      mm/mlock.o
  CC      kernel/wait.o
  CC      mm/mmap.o
  CC      mm/mprotect.o
  CC      kernel/kfifo.o
  CC      kernel/sys_ni.o
  CC      kernel/posix-cpu-timers.o
  CC      kernel/mutex.o
  CC      mm/mremap.o
  CC      kernel/hrtimer.o
  CC      mm/msync.o
  CC      mm/rmap.o
  CC      kernel/rwsem.o
  CC      mm/vmalloc.o
  CC      kernel/nsproxy.o
  CC      kernel/srcu.o
  CC      kernel/semaphore.o
  CC      mm/pagewalk.o
  CC      kernel/notifier.o
  CC      mm/init-mm.o
  CC      mm/page_io.o
  CC      kernel/ksysfs.o
  CC      kernel/pm_qos_params.o
  CC      mm/swap_state.o
  CC      mm/swapfile.o
  CC      kernel/sched_clock.o
  CC      mm/thrash.o
  CC      mm/dmapool.o
  CC      mm/slab.o
  CC      mm/percpu_up.o
  CC      kernel/cred.o
  CC      kernel/async.o
  CC      kernel/range.o
  CC      kernel/groups.o
  CC      kernel/futex.o
  CC      kernel/irq/handle.o
  CC      kernel/time/timekeeping.o
  CC      kernel/rtmutex.o
  CC      kernel/up.o
  CC      kernel/uid16.o
  CC      kernel/time/ntp.o
/scratch/kisskb/src/mm/slab.c: In function 'kfree':
/scratch/kisskb/src/mm/slab.c:3781: warning: passing argument 2 of '__cache_free' discards qualifiers from pointer target type
  CC      kernel/time/clocksource.o
/scratch/kisskb/src/kernel/irq/handle.c:435:3: warning: #warning __do_IRQ is deprecated. Please convert to proper flow handlers
  CC      kernel/time/jiffies.o
  CC      kernel/irq/manage.o
  CC      kernel/module.o
  CC      kernel/time/timer_list.o
  CC      kernel/irq/spurious.o
  CC      kernel/time/timecompare.o
  CC      kernel/kallsyms.o
  CC      kernel/acct.o
  GZIP    kernel/config_data.gz
  CC      kernel/softlockup.o
  CC      kernel/time/timeconv.o
  CC      kernel/hung_task.o
  CC      kernel/irq/resend.o
  CC      kernel/irq/chip.o
  CC      kernel/rcutree.o
  CC      kernel/utsname_sysctl.o
  CC      kernel/elfcore.o
  CC      kernel/time/clockevents.o
  CC      kernel/time/tick-common.o
In file included from /scratch/kisskb/src/include/linux/elf.h:7,
                 from /scratch/kisskb/src/kernel/elfcore.c:1:
/scratch/kisskb/src/arch/um/sys-i386/asm/elf.h:78: warning: 'struct task_struct' declared inside parameter list
/scratch/kisskb/src/arch/um/sys-i386/asm/elf.h:78: warning: its scope is only this definition or declaration, which is probably not what you want
  CC      kernel/time/tick-oneshot.o
  CC      kernel/time.o
  IKCFG   kernel/config_data.h
  CC      kernel/time/tick-sched.o
  CC      kernel/configs.o
  CC      kernel/irq/devres.o
  CC      kernel/irq/proc.o
  LD      mm/built-in.o
  LD      kernel/irq/built-in.o
  LD      kernel/time/built-in.o
  LD      kernel/built-in.o
make[1]: *** wait: No child processes.  Stop.
make: *** [sub-make] Error 2
make failed, trying to bisect ..
## bisect start
Last known good revision db217dece3003df0841bacf9556b5c06aa097dae
# < git symbolic-ref HEAD
# < git merge-base db217dece3003df0841bacf9556b5c06aa097dae 01bf0b64579ead8a82e7cfc32ae44bc667e7ad0f

# < git ls-files --others --modified
# git ls-files --others --modified
cmd.log
# git bisect reset linus
We are not bisecting.
# git bisect start
won't bisect on seeked tree
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 211, in bisect
    call('git bisect start', self.log)
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/utils.py", line 50, in call
    raise CommandFailedException(cmd, status)
CommandFailedException: Failed running "git bisect start" (1)