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Message-ID: <20180627063202.GA18666@nfs>
Date: Wed, 27 Jun 2018 14:32:02 +0800
From: kernel test robot <chenr.fnst@...fujitsu.com>
To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
CC: Josh Triplett <josh@...htriplett.org>,
<linux-kernel@...r.kernel.org>, LKP <lkp@...org>
Subject: [lkp-robot] 02a5c550b2 BUG: kernel reboot-without-warning in test
stage
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 02a5c550b2738f2bfea8e1e00aa75944d71c9e18
Author: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Wed Nov 2 17:25:06 2016 -0700
Commit: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
CommitDate: Mon Jan 23 11:44:18 2017 -0800
rcu: Abstract extended quiescent state determination
This commit is the fourth step towards full abstraction of all accesses
to the ->dynticks counter, implementing previously open-coded checks and
comparisons in new rcu_dynticks_in_eqs() and rcu_dynticks_in_eqs_since()
functions. This abstraction will ease changes to the ->dynticks counter
operation.
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
2625d469ba rcu: Abstract dynticks extended quiescent state enter/exit operations
02a5c550b2 rcu: Abstract extended quiescent state determination
6f0d349d92 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
deb5571a33 Add linux-next specific files for 20180625
+------------------------------------------------------------------+------------+------------+------------+---------------+
| | 2625d469ba | 02a5c550b2 | 6f0d349d92 | next-20180625 |
+------------------------------------------------------------------+------------+------------+------------+---------------+
| boot_successes | 1028 | 464 | 62 | 60 |
| boot_failures | 1 | 17 | 29 | 38 |
| WARNING:at_mm/page_alloc.c:#__alloc_pages_nodemask | 1 | | | |
| BUG:kernel_reboot-without-warning_in_test_stage | 0 | 17 | 1 | 1 |
| invoked_oom-killer:gfp_mask=0x | 0 | 0 | 28 | 36 |
| Mem-Info | 0 | 0 | 28 | 36 |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 0 | 0 | 28 | 36 |
| WARNING:stack_recursion | 0 | 0 | 0 | 1 |
| WARNING:at#for_ip_swapgs_restore_regs_and_return_to_usermode/0x | 0 | 0 | 0 | 1 |
| WARNING:stack_going_in_the_wrong_direction?ip=__schedule/0x | 0 | 0 | 0 | 1 |
+------------------------------------------------------------------+------------+------------+------------+---------------+
[main] Setsockopt(0 1 68b000 10) on fd 377 [2:3:59]
[main] Setsockopt(10e 3 68b000 4) on fd 378 [16:3:10]
[main] Setsockopt(1 2d 68b000 73) on fd 380 [1:5:1]
[main] Setsockopt(1 c 68b000 ee) on fd 381 [2:1:6]
[main] 375 sockets created based on info from socket cachefile.
BUG: kernel reboot-without-warning in test stage
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start v4.11 v4.10 --
git bisect bad ce70df089143c49385b4f32f39d41fb50fbf6a7c # 18:32 B 0 1 17 1 mm, gup: fix typo in gup_p4d_range()
git bisect bad 94eae8034002401d71ae950106659e16add36e77 # 18:47 B 19 1 0 8 Merge tag 'platform-drivers-x86-v4.11-1' of git://git.infradead.org/linux-platform-drivers-x86
git bisect bad 7bb033829ef3ecfc491c0ed0197966e8f197fbdc # 18:58 B 1 1 0 0 Merge tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
git bisect bad f790bd9c8e826434ab6c326b225276ed0f73affe # 19:50 B 71 1 0 0 Merge tag 'regulator-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
git bisect bad 4cee9fe53e4d181b608c7758090ed492b45d6801 # 20:16 B 29 1 0 1 Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good 575260e3f8f8ac72dc0c41a4a20190d1a5f2b887 # 00:08 G 580 0 1 1 Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad 7f4eb0a6d5a76ee054acd7255c05b8d5ca31c5d9 # 00:37 B 39 1 1 1 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad f7458a5d631df2ecdbfe4a606053aba19913cc41 # 00:47 B 36 1 0 1 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good 8dc79888a792f6c365c2a26903e49ff919e72488 # 02:47 G 580 0 0 0 rcu: Add lockdep checks to synchronous expedited primitives
git bisect good 7d025948e4982ee3fa741c0fa56385c8b4a7072d # 04:14 G 571 0 0 0 torture: Enable DEBUG_OBJECTS_RCU_HEAD for Tiny RCU
git bisect bad 38d30b336ccf8ee98e0e494a13738a0fade5a5e6 # 04:50 B 77 1 0 0 rcu: Adjust FQS offline checks for exact online-CPU detection
git bisect good 2625d469baeef3aabdfe122572e00c517e2d9451 # 07:46 G 572 0 0 1 rcu: Abstract dynticks extended quiescent state enter/exit operations
git bisect bad 3a19b46a5c17b12ef0691df19c676ba3da330a57 # 07:52 B 0 1 15 0 rcu: Check cond_resched_rcu_qs() state less often to reduce GP overhead
git bisect bad 02a5c550b2738f2bfea8e1e00aa75944d71c9e18 # 07:59 B 0 1 18 2 rcu: Abstract extended quiescent state determination
# first bad commit: [02a5c550b2738f2bfea8e1e00aa75944d71c9e18] rcu: Abstract extended quiescent state determination
git bisect good 2625d469baeef3aabdfe122572e00c517e2d9451 # 11:00 G 1000 0 2 3 rcu: Abstract dynticks extended quiescent state enter/exit operations
# extra tests on HEAD of linux-devel/devel-catchup-201806242320
git bisect bad 21f7550fbc2ac5e373767674593a34350af2ad59 # 11:01 B 10 2 0 1 0day head guard for 'devel-catchup-201806242320'
# extra tests on tree/branch linus/master
git bisect bad 6f0d349d922ba44e4348a17a78ea51b7135965b1 # 11:20 B 14 1 0 28 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
# extra tests on tree/branch linux-next/master
git bisect bad deb5571a333c08f20bee8cb1324644f774b27a66 # 11:21 B 0 1 94 38 Add linux-next specific files for 20180625
---
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