git checkout dcb99fd9b08cfe1afe426af4d8d3cbc429190f15 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:dcb99fd9b08cfe1afe426af4d8d3cbc429190f15:bisect-linux2 2014-03-25-05:42:45 dcb99fd9b08cfe1afe426af4d8d3cbc429190f15 reuse /kernel/x86_64-randconfig-c4-0321/dcb99fd9b08cfe1afe426af4d8d3cbc429190f15/vmlinuz-3.14.0-rc7 2014-03-25-05:42:45 detecting boot state .. 1 5 10 17 18 20 21. 22 23 26 27 SUCCESS bisect: good commit dcb99fd9b08cfe1afe426af4d8d3cbc429190f15 git bisect start 77a67cc34b63c0f868f0bb66e7c23dd2743b2d97 dcb99fd9b08cfe1afe426af4d8d3cbc429190f15 -- /c/kernel-tests/linear-bisect: ["-b", "77a67cc34b63c0f868f0bb66e7c23dd2743b2d97", "-g", "dcb99fd9b08cfe1afe426af4d8d3cbc429190f15", "/c/kernel-tests/bisect-test-boot-failure.sh", "/kernel-tests/linux2/obj-bisect"] Bisecting: 96 revisions left to test after this (roughly 7 steps) [fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c] Merge 'vfs/untested-mnt_hash' into devel-cairo-x86_64-201403211021 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c:bisect-linux2 TEST FAILURE [ 2.098268] Freeing unused kernel memory: 876K (ffff880001f25000 - ffff880002000000) [ 2.107168] random: init urandom read with 2 bits of entropy available [ 2.186524] tsc: Refined TSC clocksource calibration: 2493.965 MHz [ 12.416094] BUG: unable to handle kernel NULL pointer dereference at (null) [ 12.417975] IP: [] umount_tree+0x3d/0x290 [ 12.417975] PGD 13883067 PUD 13897067 PMD 0 [ 12.417975] Oops: 0002 [#1] [ 12.417975] Modules linked in: [ 12.417975] CPU: 0 PID: 7300 Comm: trinity-c0 Not tainted 3.14.0-rc7-00040-gfca1d77 #31 [ 12.417975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.417975] task: ffff880000aa5320 ti: ffff8800138a6000 task.ti: ffff8800138a6000 [ 12.417975] RIP: 0010:[] [] umount_tree+0x3d/0x290 [ 12.417975] RSP: 0018:ffff8800138a7e88 EFLAGS: 00010246 [ 12.417975] RAX: ffff88001387a080 RBX: ffff88001387a080 RCX: 0000000000000000 [ 12.417975] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001387a080 [ 12.417975] RBP: ffff8800138a7ea8 R08: ffff8800138d0d40 R09: fefefefefefefeff [ 12.417975] R10: 00000000138d0d91 R11: 0000000000000000 R12: 0000000000000000 [ 12.417975] R13: ffff8800138a7e88 R14: 00000000ffffffec R15: ffff88001387ad00 [ 12.417975] FS: 00007ff3f0505700(0000) GS:ffffffff82030000(0000) knlGS:0000000000000000 [ 12.417975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.417975] CR2: 0000000000000000 CR3: 00000000138a2000 CR4: 00000000000006f0 [ 12.417975] Stack: [ 12.417975] 0000000000000000 ffff88001387a080 ffff880000b47390 ffff8800138d0d20 [ 12.417975] ffff8800138a7f28 ffffffff81182d4a ffff8800138d0d60 0000000000b07000 [ 12.417975] ffff88001387ad50 ffff88001387abe0 ffff8800130cba10 ffffffffffffffff [ 12.417975] Call Trace: [ 12.417975] [] do_mount+0x6ac/0xd44 [ 12.417975] [] ? copy_mount_options+0xfd/0x193 [ 12.417975] [] SyS_mount+0xc8/0x124 [ 12.417975] [] system_call_fastpath+0x16/0x1b [ 12.417975] Code: 53 48 89 fb 41 52 48 ff 05 c3 66 3c 01 48 c7 45 e0 00 00 00 00 48 85 c0 74 5b 48 ff 05 c7 66 3c 01 48 8b 10 48 8b 48 08 48 85 d2 <48> 89 11 74 0b 48 89 4a 08 48 ff 05 9d 66 3c 01 48 8b 55 e0 48 [ 12.417975] RIP [] umount_tree+0x3d/0x290 [ 12.417975] RSP [ 12.417975] CR2: 0000000000000000 [ 12.417975] ---[ end trace a8bdf4144eca6857 ]--- [ 12.417975] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-10:20140321120655:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-12:20140321120601:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-24:20140321120504:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-athens-14:20140321120550:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-lkp-st01-3:20140321120547:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-inn-11:20140321120541:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-28:20140321120635:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-27:20140321120654:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-25:20140321120642:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-bens-6:20140321120625:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-ivytown2-23:20140321120656:x86_64-randconfig-c4-0321:3.14.0-rc7-00040-gfca1d77:31 /kernel/x86_64-randconfig-c4-0321/fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c/dmesg-yocto-snb-46:20140321120606:x86_64-randconfig-c4-0321:: 12:12:13 all_good:bad:all_bad boots 2014-03-25 05:49:47 REPEAT COUNT: 30 # /kernel-tests/linux2/obj-bisect/.repeat Bisecting: 40 revisions left to test after this (roughly 6 steps) [92fef99b88a854a6dbfd25fb1c4305662a182452] 0day base guard for 'devel-cairo-x86_64-201403211021' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:92fef99b88a854a6dbfd25fb1c4305662a182452:bisect-linux2 SUCCESS linear-bisect: bad branch may be vfs/untested-mnt_hash linear-bisect: handle over to git bisect linear-bisect: git bisect start fca1d772b6e12a5e5e3e5749f8b06650aeecbc6c 92fef99b88a854a6dbfd25fb1c4305662a182452 -- Previous HEAD position was 92fef99... 0day base guard for 'devel-cairo-x86_64-201403211021' HEAD is now at d1969a8... percpu_counter: unbreak __percpu_counter_add() Bisecting: 19 revisions left to test after this (roughly 4 steps) [8a21d9f63dd47485964b930af41304d88dee0e9b] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:8a21d9f63dd47485964b930af41304d88dee0e9b:bisect-linux2 2014-03-25-05:49:56 8a21d9f63dd47485964b930af41304d88dee0e9b reuse /kernel/x86_64-randconfig-c4-0321/8a21d9f63dd47485964b930af41304d88dee0e9b/vmlinuz-3.14.0-rc7-00019-g8a21d9f 2014-03-25-05:49:56 detecting boot state .. 3 10 14 21 29 30 SUCCESS Bisecting: 10 revisions left to test after this (roughly 3 steps) [ea1cd65a648bd98ff9d028a647462d28313aadfd] Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:ea1cd65a648bd98ff9d028a647462d28313aadfd:bisect-linux2 2014-03-25-05:53:57 ea1cd65a648bd98ff9d028a647462d28313aadfd reuse /kernel/x86_64-randconfig-c4-0321/ea1cd65a648bd98ff9d028a647462d28313aadfd/vmlinuz-3.14.0-rc7-00028-gea1cd65 2014-03-25-05:53:57 detecting boot state ... 6 7... 12 19 25 30 SUCCESS Bisecting: 5 revisions left to test after this (roughly 3 steps) [887843961c4b4681ee993c36d4997bf4b4aa8253] mm: fix bad rss-counter if remap_file_pages raced migration running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:887843961c4b4681ee993c36d4997bf4b4aa8253:bisect-linux2 2014-03-25-05:59:58 887843961c4b4681ee993c36d4997bf4b4aa8253 reuse /kernel/x86_64-randconfig-c4-0321/887843961c4b4681ee993c36d4997bf4b4aa8253/vmlinuz-3.14.0-rc7-00033-g8878439 2014-03-25-05:59:59 detecting boot state .. 3 6 7 13 27 29 30 SUCCESS Bisecting: 2 revisions left to test after this (roughly 2 steps) [8cefb970aa3b94377554d5083611768ff257ce19] resizable namespace.c hashes running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:8cefb970aa3b94377554d5083611768ff257ce19:bisect-linux2 SUCCESS Bisecting: 0 revisions left to test after this (roughly 1 step) [3d54406d3c64c0e7e092f8299c460ebe0aea9795] switch mnt_hash to hlist running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:3d54406d3c64c0e7e092f8299c460ebe0aea9795:bisect-linux2 TEST FAILURE [ 2.837515] Freeing unused kernel memory: 1832K (ffff880001a36000 - ffff880001c00000) [ 2.845584] Freeing unused kernel memory: 876K (ffff880001f25000 - ffff880002000000) [ 2.855040] random: init urandom read with 3 bits of entropy available [ 13.239195] BUG: unable to handle kernel NULL pointer dereference at (null) [ 13.239803] IP: [] umount_tree+0x3d/0x290 [ 13.239803] PGD 0 [ 13.239803] Oops: 0002 [#1] [ 13.239803] Modules linked in: [ 13.239803] CPU: 0 PID: 7103 Comm: trinity-c0 Not tainted 3.14.0-rc7-00038-g3d54406 #39 [ 13.239803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.239803] task: ffff88000018c660 ti: ffff88000faea000 task.ti: ffff88000faea000 [ 13.239803] RIP: 0010:[] [] umount_tree+0x3d/0x290 [ 13.239803] RSP: 0018:ffff88000faebe48 EFLAGS: 00010246 [ 13.239803] RAX: ffff88000f876080 RBX: ffff88000f876080 RCX: 0000000000000000 [ 13.239803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88000f876080 [ 13.239803] RBP: ffff88000faebe68 R08: ffff88000fffbfc0 R09: 0000000000000000 [ 13.239803] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 [ 13.239803] R13: ffff88000faebe48 R14: ffff8800000743e0 R15: 0000000000000000 [ 13.239803] FS: 0000000000000000(0000) GS:ffffffff82030000(0000) knlGS:0000000000000000 [ 13.239803] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 13.239803] CR2: 0000000000000000 CR3: 000000000faab000 CR4: 00000000000006f0 [ 13.239803] DR0: 000000000068e000 DR1: 000000000068e000 DR2: 0000000000000000 [ 13.239803] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000050602 [ 13.239803] Stack: [ 13.239803] 0000000000000000 ffff88000f8760a0 ffff88000018c660 0000000000000000 [ 13.239803] ffff88000faebe80 ffffffff8118230f ffff88000fab8b80 ffff88000faebe98 [ 13.239803] ffffffff81183c7e ffff88000d683408 ffff88000faebeb0 ffffffff810ba6fe [ 13.239803] Call Trace: [ 13.239803] [] drop_collected_mounts+0x48/0x79 [ 13.239803] [] put_mnt_ns+0x3e/0x57 [ 13.239803] [] free_nsproxy+0x24/0xb1 [ 13.239803] [] switch_task_namespaces+0x95/0xa3 [ 13.239803] [] exit_task_namespaces+0x12/0x1b [ 13.239803] [] do_exit+0x512/0xcac [ 13.239803] [] do_group_exit+0xe6/0xfe [ 13.239803] [] SyS_exit_group+0x16/0x16 [ 13.239803] [] system_call_fastpath+0x16/0x1b [ 13.239803] Code: 53 48 89 fb 41 52 48 ff 05 c3 66 3c 01 48 c7 45 e0 00 00 00 00 48 85 c0 74 5b 48 ff 05 c7 66 3c 01 48 8b 10 48 8b 48 08 48 85 d2 <48> 89 11 74 0b 48 89 4a 08 48 ff 05 9d 66 3c 01 48 8b 55 e0 48 [ 13.239803] RIP [] umount_tree+0x3d/0x290 [ 13.239803] RSP [ 13.239803] CR2: 0000000000000000 [ 13.239803] ---[ end trace d0c6b2bb5db52abf ]--- [ 13.239803] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-17:20140321145144:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-30:20140321144112:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-20:20140321144230:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-8:20140321144706:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-28:20140321144636:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-1:20140321144708:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-24:20140321144258:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-45:20140321145301:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-13:20140321144709:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-8:20140321145144:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-30:20140321144633:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-14:20140321145229:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-33:20140321145254:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-18:20140321144436:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-9:20140321144638:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-5:20140321144702:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-22:20140321144121:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-5:20140321145207:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-6:20140321145418:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-19:20140321144121:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-13:20140321145240:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-19:20140321144633:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-1:20140321144324:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-8:20140321144322:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-21:20140321144633:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-30:20140321145350:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-athens-38:20140321144430:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-11:20140321144459:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-40:20140321145213:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-xps-4:20140321144346:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-9:20140321144137:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-19:20140321145133:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-7:20140321145159:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-21:20140321144248:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-jaketown-26:20140321145255:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-5:20140321144318:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-12:20140321144234:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-cairo-13:20140321144208:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-28:20140321144251:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 /kernel/x86_64-randconfig-c4-0321/3d54406d3c64c0e7e092f8299c460ebe0aea9795/dmesg-yocto-ivytown2-4:20140321144501:x86_64-randconfig-c4-0321:3.14.0-rc7-00038-g3d54406:39 41:40:44 all_good:bad:all_bad boots 2014-03-25 06:04:31 REPEAT COUNT: 31 # /kernel-tests/linux2/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [6a92faa1d647d78ec54506d783c5a7ce503b4843] smarter propagate_mnt() running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux2/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:6a92faa1d647d78ec54506d783c5a7ce503b4843:bisect-linux2 2014-03-25-06:04:32 6a92faa1d647d78ec54506d783c5a7ce503b4843 reuse /kernel/x86_64-randconfig-c4-0321/6a92faa1d647d78ec54506d783c5a7ce503b4843/vmlinuz-3.14.0-rc7-00037-g6a92faa 2014-03-25-06:04:32 detecting boot state ... 1 4 5 8 13 21 25 27 30 31 SUCCESS 3d54406d3c64c0e7e092f8299c460ebe0aea9795 is the first bad commit commit 3d54406d3c64c0e7e092f8299c460ebe0aea9795 Author: Al Viro Date: Thu Mar 20 21:10:51 2014 -0400 switch mnt_hash to hlist Cc: stable@vger.kernel.org Signed-off-by: Al Viro :040000 040000 26ee103caaf19ef33fee6c32e0a6ff50e716d88a 34b93e6b34ad419edc90c5c61ff8e47da82aace8 M fs bisect run success ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:6a92faa1d647d78ec54506d783c5a7ce503b4843:bisect-linux2 2014-03-25-06:11:03 6a92faa1d647d78ec54506d783c5a7ce503b4843 reuse /kernel/x86_64-randconfig-c4-0321/6a92faa1d647d78ec54506d783c5a7ce503b4843/vmlinuz-3.14.0-rc7-00037-g6a92faa 2014-03-25-06:11:03 detecting boot state .. 7 13 24 34 55 65 74 93 SUCCESS ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:77a67cc34b63c0f868f0bb66e7c23dd2743b2d97:bisect-linux2 TEST FAILURE [ 2.060955] Freeing unused kernel memory: 1832K (ffff880001a36000 - ffff880001c00000) [ 2.069075] Freeing unused kernel memory: 876K (ffff880001f25000 - ffff880002000000) Kernel tests: Boot OK! [ 220.448723] BUG: unable to handle kernel paging request at ffffffff81176112 [ 220.449598] IP: [] dentry_kill.isra.25+0xd0/0x2cb [ 220.449598] PGD 2015067 PUD 2016063 PMD 10001e1 [ 220.449598] Oops: 0003 [#1] [ 220.449598] Modules linked in: [ 220.449598] CPU: 0 PID: 360 Comm: umount Not tainted 3.14.0-rc7-00096-g77a67cc #27 [ 220.449598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 220.449598] task: ffff88000e3c1960 ti: ffff88000e310000 task.ti: ffff88000e310000 [ 220.449598] RIP: 0010:[] [] dentry_kill.isra.25+0xd0/0x2cb [ 220.449598] RSP: 0018:ffff88000e311ea0 EFLAGS: 00010202 [ 220.449598] RAX: ffffffff81176112 RBX: ffff88000efd1810 RCX: ffff88000e7deab8 [ 220.449598] RDX: ffff88000e7deab8 RSI: ffffffff8117f37f RDI: ffff88000efd1810 [ 220.449598] RBP: ffff88000e311eb8 R08: 00000000ffffffff R09: 0000000000000000 [ 220.449598] R10: 0000000000737470 R11: ffff88000f98c025 R12: ffff88000e7deb90 [ 220.449598] R13: ffff88000ec075d0 R14: 0000000000000000 R15: ffff88000e7dea80 [ 220.449598] FS: 00007effee017700(0000) GS:ffffffff82030000(0000) knlGS:0000000000000000 [ 220.449598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 220.449598] CR2: ffffffff81176112 CR3: 000000000e395000 CR4: 00000000000006f0 [ 220.449598] Stack: [ 220.449598] ffff88000efd1810 ffff88000e7deb90 ffff88000e7dea80 ffff88000e311ed0 [ 220.449598] ffffffff811779c8 ffff88000e7deb90 ffff88000e311ee8 ffffffff81168638 [ 220.449598] ffff88000e7dea80 ffff88000e311f08 ffffffff8117fda2 ffff88000e7deaa0 [ 220.449598] Call Trace: [ 220.449598] [] dput+0x184/0x1b8 [ 220.449598] [] path_put+0x18/0x31 [ 220.449598] [] namespace_unlock+0xb8/0xd1 [ 220.449598] [] SyS_umount+0x4a4/0x4f2 [ 220.449598] [] ? vm_munmap+0x5d/0x72 [ 220.449598] [] system_call_fastpath+0x16/0x1b [ 220.449598] Code: ff 05 23 cf 3c 01 e8 dc dd ff ff 48 ff 05 1f cf 3c 01 48 ff 05 00 af 3c 01 48 8b 83 98 00 00 00 48 8b 93 90 00 00 00 48 89 42 08 <48> 89 10 48 b8 00 01 10 00 00 00 ad de 48 89 83 90 00 00 00 81 [ 220.449598] RIP [] dentry_kill.isra.25+0xd0/0x2cb [ 220.449598] RSP [ 220.449598] CR2: ffffffff81176112 [ 220.449598] ---[ end trace 57a140de0dd93359 ]--- [ 220.449598] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-lkp-sb04-51:20140325054228:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-11:20140321110836:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-inn-13:20140321110726:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-22:20140321110558:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-lkp-sb04-6:20140325054251:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-xian-7:20140321104514:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-snb-13:20140321104637:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-snb-42:20140321104642:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-4:20140321110809:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-roam-3:20140321104444:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-roam-37:20140321110736:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-inn-33:20140321104505:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-inn-44:20140321110732:x86_64-randconfig-c4-0321:: /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-26:20140321110750:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-9:20140321104518:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-athens-20:20140321110755:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 /kernel/x86_64-randconfig-c4-0321/77a67cc34b63c0f868f0bb66e7c23dd2743b2d97/dmesg-yocto-ivytown2-2:20140321104514:x86_64-randconfig-c4-0321:3.14.0-rc7-00096-g77a67cc:27 12:17:17 all_good:bad:all_bad boots [detached HEAD 9358e68] Revert "switch mnt_hash to hlist" 4 files changed, 40 insertions(+), 50 deletions(-) ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:9358e6828af42dfe25b48ce660732d917edd3de6:bisect-linux2 2014-03-25-06:16:06 9358e6828af42dfe25b48ce660732d917edd3de6 compiling Queued build task to /kernel-tests/build-queue/x86_64-randconfig-c4-0321-9358e6828af42dfe25b48ce660732d917edd3de6 Check for kernel in /kernel/x86_64-randconfig-c4-0321/9358e6828af42dfe25b48ce660732d917edd3de6 waiting for completion of /kernel-tests/build-queue/x86_64-randconfig-c4-0321-9358e6828af42dfe25b48ce660732d917edd3de6 status: FAIL: no commit 9358e6828af42dfe25b48ce660732d917edd3de6 for build task x86_64-randconfig-c4-0321-9358e6828af42dfe25b48ce660732d917edd3de6 2014-03-25-06:17:06 9358e6828af42dfe25b48ce660732d917edd3de6 SKIP BROKEN BUILD No kernel in /kernel/x86_64-randconfig-c4-0321/9358e6828af42dfe25b48ce660732d917edd3de6 ========= upstream ========= Warning: you are leaving 1 commit behind, not connected to any of your branches: 9358e68 Revert "switch mnt_hash to hlist" If you want to keep them by creating a new branch, this may be a good time to do so with: git branch new_branch_name 9358e68 HEAD is now at 774868c... Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:774868c7094d35b4518be3d0e654de000a5d11fc:bisect-linux2 2014-03-25-06:17:07 774868c7094d35b4518be3d0e654de000a5d11fc compiling Queued build task to /kernel-tests/build-queue/x86_64-randconfig-c4-0321-774868c7094d35b4518be3d0e654de000a5d11fc Check for kernel in /kernel/x86_64-randconfig-c4-0321/774868c7094d35b4518be3d0e654de000a5d11fc waiting for completion of /kernel-tests/build-queue/x86_64-randconfig-c4-0321-774868c7094d35b4518be3d0e654de000a5d11fc waiting for completion of /kernel-tests/build-queue/.x86_64-randconfig-c4-0321-774868c7094d35b4518be3d0e654de000a5d11fc kernel: /kernel/x86_64-randconfig-c4-0321/774868c7094d35b4518be3d0e654de000a5d11fc/vmlinuz-3.14.0-rc7-00065-g774868c 2014-03-25-06:23:07 detecting boot state . 1 10 12 25 29 31 36 44 53 61 67 71 73 77 80 85 89 93 SUCCESS ========= linux-next ========= Previous HEAD position was 774868c... Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip HEAD is now at 098bc16... Add linux-next specific files for 20140324 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c4-0321/linux-devel:devel-cairo-x86_64-201403211021:098bc161bfc7697f7e2ca15400f13ca1ac60e9dd:bisect-linux2 2014-03-25-06:32:41 098bc161bfc7697f7e2ca15400f13ca1ac60e9dd compiling Queued build task to /kernel-tests/build-queue/x86_64-randconfig-c4-0321-098bc161bfc7697f7e2ca15400f13ca1ac60e9dd Check for kernel in /kernel/x86_64-randconfig-c4-0321/098bc161bfc7697f7e2ca15400f13ca1ac60e9dd waiting for completion of /kernel-tests/build-queue/x86_64-randconfig-c4-0321-098bc161bfc7697f7e2ca15400f13ca1ac60e9dd waiting for completion of /kernel-tests/build-queue/.x86_64-randconfig-c4-0321-098bc161bfc7697f7e2ca15400f13ca1ac60e9dd kernel: /kernel/x86_64-randconfig-c4-0321/098bc161bfc7697f7e2ca15400f13ca1ac60e9dd/vmlinuz-3.14.0-rc7-next-20140324 2014-03-25-06:39:41 detecting boot state . 3 18 26 38 57 71 91..................... 93 SUCCESS