# < git ls-remote /scratch/git/sfr/linux-next refs/heads/master
# < git rev-parse tmp/linux-next
remote == local, skipping fetch
# < git rev-parse tmp/linux-next
Upstream revision is 32645c2951c9f427ebc141a2507a77f1514e2e05
Head not built, building
# < git reset --mixed
# git branch -D linux-next
Deleted branch linux-next.
# git checkout -q -f -b linux-next tmp/linux-next
# < git ls-files --others --modified
# git ls-files --others --modified
cmd.log
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=s390 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linux-next_s390-allyesconfig_s390x CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux- -f kisskb-version.mk
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
# < /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=s390 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linux-next_s390-allyesconfig_s390x CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux- allyesconfig
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
usr/Kconfig:145:warning: defaults for choice values not supported
# /scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=s390 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linux-next_s390-allyesconfig_s390x CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux- 
makewrap: Added ccache to CROSS_COMPILE
makewrap: Using -j factor 16
  GEN     /scratch/kisskb/build/linux-next_s390-allyesconfig_s390x/Makefile
scripts/kconfig/conf -s arch/s390/Kconfig
usr/Kconfig:145:warning: defaults for choice values not supported
  GEN     /scratch/kisskb/build/linux-next_s390-allyesconfig_s390x/Makefile
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  CHK     include/linux/utsrelease.h
  UPD     include/linux/utsrelease.h
  SYMLINK include/asm -> include/asm-s390
  Using /scratch/kisskb/src as source for kernel
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/bin2c
  HOSTCC  scripts/genksyms/genksyms.o
  SHIPPED scripts/genksyms/lex.c
  SHIPPED scripts/genksyms/parse.h
  SHIPPED scripts/genksyms/keywords.c
  SHIPPED scripts/genksyms/parse.c
  HOSTCC  scripts/genksyms/lex.o
  HOSTCC  scripts/genksyms/parse.o
  HOSTCC  scripts/selinux/mdp/mdp
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  CC      kernel/bounds.s
  GEN     include/linux/bounds.h
  CC      arch/s390/kernel/asm-offsets.s
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/sumversion.o
  GEN     include/asm/asm-offsets.h
  CALL    /scratch/kisskb/src/scripts/checksyscalls.sh
  HOSTLD  scripts/genksyms/genksyms
  HOSTLD  scripts/mod/modpost
  CHK     include/linux/compile.h
  CC      init/main.o
  CC      init/do_mounts.o
  HOSTCC  usr/gen_init_cpio
  CC      init/do_mounts_rd.o
  UPD     include/linux/compile.h
  CC      init/do_mounts_initrd.o
  CC      init/do_mounts_md.o
  CC      init/initramfs.o
  CC      arch/s390/mm/init.o
  CC      init/version.o
  CC      arch/s390/mm/fault.o
  CC      arch/s390/mm/extmem.o
  CC      arch/s390/mm/mmap.o
  CC      arch/s390/mm/vmem.o
  CC      arch/s390/mm/pgtable.o
  CC      arch/s390/kernel/bitmap.o
  CC      arch/s390/crypto/sha1_s390.o
  GEN     usr/initramfs_data.cpio
  AS      usr/initramfs_data.o
  LD      usr/built-in.o
  CC      arch/s390/kernel/traps.o
/scratch/kisskb/src/arch/s390/mm/extmem.c: In function 'segment_modify_shared':
/scratch/kisskb/src/arch/s390/mm/extmem.c:572: warning: 'end_addr' may be used uninitialized in this function
/scratch/kisskb/src/arch/s390/mm/extmem.c:572: warning: 'start_addr' may be used uninitialized in this function
  CC      arch/s390/mm/cmm.o
  CC      arch/s390/crypto/sha_common.o
  CC      arch/s390/kernel/time.o
/scratch/kisskb/src/arch/s390/mm/extmem.c: In function 'query_segment_type':
/scratch/kisskb/src/arch/s390/mm/extmem.c:259: warning: 'vmrc' may be used uninitialized in this function
  CC      arch/s390/crypto/sha256_s390.o
  CC      arch/s390/kernel/process.o
  CC      arch/s390/appldata/appldata_base.o
  CC      arch/s390/crypto/sha512_s390.o
  CC      arch/s390/mm/hugetlbpage.o
  AS      arch/s390/kernel/base.o
  LD      init/mounts.o
  CC      arch/s390/appldata/appldata_mem.o
  CC      arch/s390/crypto/des_s390.o
  CC      arch/s390/hypfs/inode.o
  CC      arch/s390/kernel/early.o
  CC      arch/s390/appldata/appldata_os.o
  CC      arch/s390/crypto/des_check_key.o
  CC      arch/s390/kvm/../../../virt/kvm/kvm_main.o
  CC      arch/s390/kernel/setup.o
  LD      init/built-in.o
  CC      arch/s390/hypfs/hypfs_diag.o
  CC      arch/s390/appldata/appldata_net_sum.o
  CC      arch/s390/kvm/kvm-s390.o
  CC      arch/s390/kernel/processor.o
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c: In function 'diag204_free_buffer':
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:364: error: implicit declaration of function 'free_pages'
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c: In function 'diag204_alloc_rbuf':
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:384: error: implicit declaration of function '__get_free_pages'
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:384: error: 'GFP_KERNEL' undeclared (first use in this function)
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:384: error: (Each undeclared identifier is reported only once
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:384: error: for each function it appears in.)
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:384: warning: cast to pointer from integer of different size
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c: In function 'diag224_get_name_table':
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:503: error: implicit declaration of function 'kmalloc'
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:503: error: 'GFP_KERNEL' undeclared (first use in this function)
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:503: error: 'GFP_DMA' undeclared (first use in this function)
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:503: warning: assignment makes pointer from integer without a cast
/scratch/kisskb/src/arch/s390/hypfs/hypfs_diag.c:507: error: implicit declaration of function 'kfree'
make[2]: *** [arch/s390/hypfs/hypfs_diag.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      arch/s390/crypto/aes_s390.o
  CC      arch/s390/mm/page-states.o
  CC      kernel/sched.o
/scratch/kisskb/src/arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function '__kvm_set_memory_region':
/scratch/kisskb/src/arch/s390/kvm/../../../virt/kvm/kvm_main.c:1079: warning: unused variable 'largepages'
  AS      arch/s390/kvm/sie64a.o
  CC      arch/s390/kernel/sys_s390.o
  CC      mm/bootmem.o
  CC      arch/s390/crypto/prng.o
  CC      kernel/fork.o
  CC      arch/s390/kvm/intercept.o
make[1]: *** [arch/s390/hypfs] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      mm/filemap.o
  LD      arch/s390/mm/built-in.o
  LD      arch/s390/appldata/built-in.o
  CC      arch/s390/kernel/ptrace.o
  CC      arch/s390/kvm/interrupt.o
  CC      kernel/exec_domain.o
  CC      arch/s390/kernel/signal.o
  CC      mm/mempool.o
  CC      arch/s390/kvm/priv.o
  LD      arch/s390/crypto/built-in.o
  CC      kernel/panic.o
  CC      arch/s390/kernel/cpcmd.o
  CC      mm/oom_kill.o
  CC      mm/fadvise.o
  CC      kernel/printk.o
  CC      arch/s390/kvm/sigp.o
/scratch/kisskb/src/arch/s390/kernel/signal.c: In function 'SyS_sigaction':
/scratch/kisskb/src/arch/s390/kernel/signal.c:80: warning: 'mask' may be used uninitialized in this function
/scratch/kisskb/src/arch/s390/kernel/signal.c:80: note: 'mask' was declared here
  CC      arch/s390/kernel/ebcdic.o
  CC      mm/maccess.o
  CC      arch/s390/kvm/diag.o
  CC      kernel/cpu.o
  CC      mm/page_alloc.o
  CC      arch/s390/kernel/s390_ext.o
  CC      arch/s390/kernel/debug.o
  CC      kernel/exit.o
  CC      mm/page-writeback.o
  CC      arch/s390/kernel/irq.o
  CC      mm/pdflush.o
  CC      kernel/itimer.o
  TIMEC   kernel/timeconst.h
  CC      arch/s390/kernel/ipl.o
  CC      mm/readahead.o
  LD      arch/s390/kvm/kvm.o
  LD      arch/s390/kvm/built-in.o
  CC      arch/s390/kernel/dis.o
  CC      mm/swap.o
  CC      kernel/softirq.o
  CC      mm/truncate.o
  CC      arch/s390/kernel/diag.o
  CC      mm/vmscan.o
  CC      kernel/resource.o
  CC      arch/s390/kernel/mem_detect.o
  CC      mm/shmem.o
  CC      arch/s390/kernel/vdso.o
  CC      kernel/sysctl.o
  CC      mm/prio_tree.o
  CC      kernel/capability.o
  CC      mm/util.o
  CC      arch/s390/kernel/vtime.o
  CC      arch/s390/kernel/sysinfo.o
  CC      kernel/ptrace.o
  CC      mm/mmzone.o
  CC      arch/s390/kernel/nmi.o
  CC      kernel/timer.o
  CC      mm/vmstat.o
  AS      arch/s390/kernel/entry64.o
  CC      kernel/user.o
  AS      arch/s390/kernel/reipl64.o
  CC      mm/backing-dev.o
  CC      arch/s390/kernel/s390_ksyms.o
  CC      kernel/signal.o
  CC      arch/s390/kernel/module.o
  CC      mm/page_isolation.o
  CC      arch/s390/kernel/smp.o
  CC      mm/mm_init.o
  CC      arch/s390/kernel/topology.o
  CC      mm/fremap.o
  CC      kernel/sys.o
  CC      mm/highmem.o
/scratch/kisskb/src/kernel/signal.c: In function 'do_sigaltstack':
/scratch/kisskb/src/kernel/signal.c:2391: warning: 'ss_flags' may be used uninitialized in this function
/scratch/kisskb/src/kernel/signal.c:2390: warning: 'ss_size' may be used uninitialized in this function
  CC      arch/s390/kernel/audit.o
  CC      kernel/kmod.o
  CC      mm/madvise.o
  CC      arch/s390/kernel/compat_linux.o
  CC      kernel/workqueue.o
  CC      arch/s390/kernel/compat_signal.o
  CC      kernel/pid.o
  CC      mm/memory.o
  CC      kernel/rcupdate.o
  CC      mm/mincore.o
  AS      arch/s390/kernel/compat_wrapper.o
  CC      mm/mlock.o
  CC      kernel/extable.o
  CC      arch/s390/kernel/compat_exec_domain.o
  CC      mm/mmap.o
  CC      arch/s390/kernel/compat_audit.o
  CC      kernel/params.o
  CC      mm/mprotect.o
/scratch/kisskb/src/arch/s390/kernel/compat_signal.c: In function 'sys32_sigaction':
/scratch/kisskb/src/arch/s390/kernel/compat_signal.c:169: warning: 'mask' may be used uninitialized in this function
/scratch/kisskb/src/arch/s390/kernel/compat_signal.c:165: warning: 'sa_restorer' may be used uninitialized in this function
  CC      kernel/posix-timers.o
  CC      mm/mremap.o
  CC      kernel/kthread.o
  CC      arch/s390/kernel/stacktrace.o
  CC      mm/msync.o
  CC      kernel/wait.o
  CC      arch/s390/kernel/kprobes.o
  CC      mm/rmap.o
  CC      kernel/kfifo.o
  AS      arch/s390/kernel/mcount.o
  CC      kernel/sys_ni.o
  CC      kernel/posix-cpu-timers.o
  CC      arch/s390/kernel/machine_kexec.o
  CC      mm/vmalloc.o
  CC      kernel/mutex.o
  CC      mm/pagewalk.o
  CC      kernel/hrtimer.o
  CC      arch/s390/kernel/crash.o
  CC      mm/bounce.o
  AS      arch/s390/kernel/relocate_kernel64.o
  LDS     arch/s390/kernel/vdso32/vdso32.lds
  VDSO32A arch/s390/kernel/vdso32/gettimeofday.o
  CC      mm/page_io.o
  VDSO32A arch/s390/kernel/vdso32/clock_getres.o
  LDS     arch/s390/kernel/vdso64/vdso64.lds
  VDSO64A arch/s390/kernel/vdso64/gettimeofday.o
  VDSO32A arch/s390/kernel/vdso32/clock_gettime.o
  VDSO32A arch/s390/kernel/vdso32/note.o
  VDSO64A arch/s390/kernel/vdso64/clock_getres.o
  VDSO64A arch/s390/kernel/vdso64/clock_gettime.o
  VDSO32L arch/s390/kernel/vdso32/vdso32.so.dbg
  OBJCOPY arch/s390/kernel/vdso32/vdso32.so
  AS      arch/s390/kernel/vdso32/vdso32_wrapper.o
  VDSO64A arch/s390/kernel/vdso64/note.o
  CC      kernel/rwsem.o
  LD      arch/s390/kernel/vdso32/built-in.o
  VDSO64L arch/s390/kernel/vdso64/vdso64.so.dbg
  AS      arch/s390/kernel/head.o
  OBJCOPY arch/s390/kernel/vdso64/vdso64.so
  AS      arch/s390/kernel/vdso64/vdso64_wrapper.o
  CC      mm/swap_state.o
  CC      arch/s390/kernel/init_task.o
  LD      arch/s390/kernel/vdso64/built-in.o
  LDS     arch/s390/kernel/vmlinux.lds
  CC      mm/swapfile.o
  CC      kernel/nsproxy.o
  LD      arch/s390/kernel/built-in.o
  CC      kernel/srcu.o
  CC      mm/thrash.o
  CC      kernel/semaphore.o
  CC      mm/hugetlb.o
  CC      kernel/notifier.o
  CC      mm/sparse.o
  CC      kernel/ksysfs.o
  CC      mm/sparse-vmemmap.o
  CC      mm/shmem_acl.o
  CC      kernel/pm_qos_params.o
  CC      mm/slqb.o
/scratch/kisskb/src/mm/swapfile.c: In function 'SyS_swapon':
/scratch/kisskb/src/mm/swapfile.c:1652: warning: 'span' may be used uninitialized in this function
/scratch/kisskb/src/mm/swapfile.c:1652: note: 'span' was declared here
  CC      mm/memory_hotplug.o
  CC      kernel/sched_clock.o
  CC      kernel/cred.o
  CC      kernel/async.o
  CC      mm/filemap_xip.o
  CC      kernel/freezer.o
  CC      mm/migrate.o
  CC      kernel/profile.o
  CC      mm/allocpercpu.o
  CC      kernel/sysctl_check.o
/scratch/kisskb/src/mm/allocpercpu.c: In function 'free_percpu':
/scratch/kisskb/src/mm/allocpercpu.c:146: warning: passing argument 2 of '__percpu_depopulate_mask' discards qualifiers from pointer target type
  CC      kernel/stacktrace.o
  CC      kernel/power/process.o
  CC      kernel/time/timekeeping.o
  CC      kernel/power/poweroff.o
  CC      kernel/time/ntp.o
  CC      kernel/trace/trace_selftest_dynamic.o
  CC      kernel/mutex-debug.o
  CC      mm/memcontrol.o
  CC      kernel/trace/ftrace.o
  CC      kernel/lockdep.o
  LD      kernel/power/built-in.o
  CC      kernel/lockdep_proc.o
  CC      kernel/trace/ring_buffer.o
  CC      mm/page_cgroup.o
  CC      kernel/time/clocksource.o
  CC      kernel/trace/trace.o
  CC      kernel/futex.o
  CC      kernel/time/jiffies.o
  CC      kernel/trace/trace_clock.o
  CC      kernel/futex_compat.o
  CC      kernel/trace/trace_output.o
  CC      kernel/time/timer_list.o
  CC      kernel/rtmutex.o
  CC      kernel/trace/trace_stat.o
  CC      kernel/rtmutex-debug.o
/scratch/kisskb/src/kernel/futex_compat.c: In function 'compat_exit_robust_list':
/scratch/kisskb/src/kernel/futex_compat.c:51: warning: 'entry' may be used uninitialized in this function
/scratch/kisskb/src/kernel/futex_compat.c:51: warning: 'pending' may be used uninitialized in this function
  CC      kernel/time/timecompare.o
  CC      kernel/trace/trace_printk.o
/scratch/kisskb/src/kernel/trace/trace.c: In function 'tracing_set_trace_read':
/scratch/kisskb/src/kernel/trace/trace.c:2449: warning: 'tracing_set_trace_read' uses dynamic stack allocation
  CC      kernel/rtmutex-tester.o
  CC      kernel/time/clockevents.o
  CC      kernel/smp.o
  CC      kernel/trace/trace_sched_switch.o
/scratch/kisskb/src/kernel/futex.c: In function 'exit_robust_list':
/scratch/kisskb/src/kernel/futex.c:1822: warning: 'entry' may be used uninitialized in this function
/scratch/kisskb/src/kernel/futex.c:1822: warning: 'pending' may be used uninitialized in this function
  CC      kernel/time/tick-common.o
  CC      kernel/spinlock.o
  CC      kernel/time/tick-oneshot.o
  CC      kernel/module.o
  CC      kernel/time/tick-sched.o
  CC      kernel/trace/trace_functions.o
  CC      kernel/kallsyms.o
  CC      kernel/trace/trace_irqsoff.o
  CC      kernel/time/timer_stats.o
  CC      kernel/acct.o
  CC      kernel/trace/trace_sched_wakeup.o
  CC      kernel/kexec.o
/scratch/kisskb/src/kernel/trace/trace.c: In function 'tracing_set_trace_write':
/scratch/kisskb/src/kernel/trace/trace.c:2614: warning: 'tracing_set_trace_write' uses dynamic stack allocation
  CC      kernel/trace/trace_nop.o
  CC      kernel/backtracetest.o
  CC      kernel/trace/trace_stack.o
  LD      mm/built-in.o
  CC      kernel/compat.o
  CC      kernel/trace/trace_boot.o
  CC      kernel/cgroup.o
  CC      kernel/trace/trace_branch.o
  CC      kernel/cgroup_debug.o
  CC      kernel/trace/kmemtrace.o
  CC      kernel/cgroup_freezer.o
  CC      kernel/cpuset.o
  CC      kernel/trace/trace_workqueue.o
  CC      kernel/trace/blktrace.o
  LD      kernel/time/built-in.o
  CC      kernel/ns_cgroup.o
  CC      kernel/trace/trace_events.o
  CC      kernel/trace/events.o
  CC      kernel/utsname.o
  CC      kernel/trace/trace_export.o
  CC      kernel/trace/trace_events_filter.o
  LD      kernel/trace/libftrace.o
  CC      kernel/user_namespace.o
  CC      kernel/pid_namespace.o
  GZIP    kernel/config_data.gz
  CC      kernel/res_counter.o
  CC      kernel/stop_machine.o
  CC      kernel/test_kprobes.o
  CC      kernel/audit.o
  CC      kernel/auditfilter.o
  CC      kernel/auditsc.o
  CC      kernel/audit_tree.o
  CC      kernel/kprobes.o
  CC      kernel/hung_task.o
  CC      kernel/rcutorture.o
/scratch/kisskb/src/kernel/module.c: In function 'load_module':
/scratch/kisskb/src/kernel/module.c:1929: warning: 'hdr' may be used uninitialized in this function
  CC      kernel/rcuclassic.o
  CC      kernel/relay.o
  CC      kernel/utsname_sysctl.o
  LD      kernel/trace/built-in.o
  CC      kernel/delayacct.o
  CC      kernel/taskstats.o
  CC      kernel/tsacct.o
  CC      kernel/marker.o
  CC      kernel/tracepoint.o
  CC      kernel/latencytop.o
  CC      kernel/sched_cpupri.o
  CC      kernel/slow-work.o
  CC      kernel/time.o
  IKCFG   kernel/config_data.h
  CC      kernel/configs.o
/scratch/kisskb/src/kernel/marker.c: In function 'remove_marker':
/scratch/kisskb/src/kernel/marker.c:435: warning: 'e' may be used uninitialized in this function
  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 b065e9f8fa3f72b92568f4d4d92e5da7bdf7ee84
# < git symbolic-ref HEAD
# < git merge-base b065e9f8fa3f72b92568f4d4d92e5da7bdf7ee84 32645c2951c9f427ebc141a2507a77f1514e2e05

Good rev is not an ancestor, rebased tree?
Traceback (most recent call last):
  File "/scratch/kisskb/prod/kisskb/kisskb3/backend/backend.py", line 149, in _do_build
    raise BuildFailedException(e)
BuildFailedException: Failed running "/scratch/kisskb/prod/kisskb/kisskb3/backend/makewrap.py ARCH=s390 O=/scratch/kisskb/prod/kisskb/kisskb3/backend/build/linux-next_s390-allyesconfig_s390x CROSS_COMPILE=/opt/crosstool/gcc-4.3.2-nolibc/bin/s390x-linux- " (2)