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Date: Wed, 06 Mar 2019 15:25:11 +0800
From: kernel test robot <lkp@...el.com>
To: Matthew Wilcox <willy@...radead.org>
Cc: LKP <lkp@...org>, linux-kernel@...r.kernel.org,
linux-fsdevel@...r.kernel.org
Subject: 2264f5132f ("xarray: Add xas_create_range"): watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [swapper/0:1]
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 2264f5132fe45571139727ebdeb78696b35d1506
Author: Matthew Wilcox <willy@...radead.org>
AuthorDate: Mon Dec 4 00:11:48 2017 -0500
Commit: Matthew Wilcox <willy@...radead.org>
CommitDate: Sun Oct 21 10:45:59 2018 -0400
xarray: Add xas_create_range
This hopefully temporary function is useful for users who have not yet
been converted to multi-index entries.
Signed-off-by: Matthew Wilcox <willy@...radead.org>
4e99d4e957 xarray: Add xas_for_each_conflict
2264f5132f xarray: Add xas_create_range
3717f613f4 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
baf5a9d1f9 Add linux-next specific files for 20190305
+------------------------------------------------+------------+------------+------------+---------------+
| | 4e99d4e957 | 2264f5132f | 3717f613f4 | next-20190305 |
+------------------------------------------------+------------+------------+------------+---------------+
| boot_successes | 823 | 268 | 196 | 21 |
| boot_failures | 0 | 13 | 85 | 5 |
| BUG:soft_lockup-CPU##stuck_for#s | 0 | 13 | 85 | 5 |
| EIP:arch_local_irq_restore | 0 | 9 | | |
| Kernel_panic-not_syncing:softlockup:hung_tasks | 0 | 13 | 85 | 5 |
| EIP:do_raw_spin_lock | 0 | 1 | | |
| EIP:xas_alloc | 0 | 1 | 1 | |
| EIP:xas_descend | 0 | 1 | 4 | |
| EIP:arch_local_save_flags | 0 | 1 | | |
| EIP:_raw_spin_unlock_irqrestore | 0 | 0 | 51 | 5 |
| EIP:xas_load | 0 | 0 | 4 | |
| EIP:xa_is_node | 0 | 0 | 2 | |
| EIP:xas_store | 0 | 0 | 6 | |
| EIP:__xas_next | 0 | 0 | 1 | |
| EIP:_find_next_bit | 0 | 0 | 2 | |
| EIP:xas_next_marked | 0 | 0 | 3 | |
| EIP:xas_result | 0 | 0 | 1 | |
| EIP:check_find_3 | 0 | 0 | 1 | |
| EIP:xa_erase_index | 0 | 0 | 1 | |
| EIP:xas_init_marks | 0 | 0 | 2 | |
| EIP:xas_start | 0 | 0 | 1 | |
| EIP:xas_find_marked | 0 | 0 | 1 | |
| EIP:__call_rcu | 0 | 0 | 1 | |
| EIP:xas_clear_mark | 0 | 0 | 1 | |
| EIP:xas_create | 0 | 0 | 1 | |
| EIP:xa_load | 0 | 0 | 1 | |
+------------------------------------------------+------------+------------+------------+---------------+
[ 20.348565] test_firmware: interface ready
[ 20.739595] IDA: 147321 of 147321 tests passed
[ 20.751639] test_printf: crng possibly not yet initialized. plain 'p' buffer contains "(ptrval)"
[ 20.752775] test_printf: all 240 tests passed
[ 20.773777] test_uuid: all 18 tests passed
[ 46.091442] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [swapper/0:1]
[ 46.111602] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.0-rc5-00256-g2264f51 #1
[ 46.121589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 46.131615] EIP: arch_local_irq_restore+0x2/0x7
[ 46.141580] Code: 2d b2 00 75 13 68 6a fc e1 b1 68 e2 0e e1 b1 e8 5d 53 fd ff 0f 0b 58 5a c7 43 20 00 00 00 00 5b c3 9c 58 8d 74 26 00 c3 50 9d <8d> 74 26 00 c3 fa 90 8d 74 26 00 c3 fb 90 8d 74 26 00 c3 3d b0 2e
[ 46.171652] EAX: 00200206 EBX: 00200206 ECX: 00000000 EDX: 00200206
[ 46.181601] ESI: b231907c EDI: 00043eb8 EBP: b1f8b740 ESP: cdc31e34
[ 46.191592] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00200206
[ 46.201599] CR0: 80050033 CR2: ffffffff CR3: 0218c000 CR4: 00000690
[ 46.211554] Call Trace:
[ 46.211554] ? _raw_spin_unlock_irqrestore+0xf/0x18
[ 46.221628] ? debug_object_active_state+0xac/0xc6
[ 46.231606] ? debug_rcu_head_queue+0x20/0x26
[ 46.231606] ? __call_rcu+0x27/0x162
[ 46.241616] ? radix_tree_node_ctor+0x19/0x19
[ 46.251605] ? call_rcu_sched+0xc/0xe
[ 46.251605] ? xas_free_nodes+0x64/0x73
[ 46.261587] ? xas_store+0x11b/0x2bd
[ 46.271596] ? __check_store_iter+0x143/0x26f
[ 46.271596] ? check_store_iter+0x1a9/0x25c
[ 46.281606] ? check_xas_retry+0x328/0x328
[ 46.291619] ? xarray_checks+0x41/0x73
[ 46.301602] ? do_one_initcall+0x62/0x132
[ 46.301602] ? do_early_param+0x6c/0x6c
[ 46.311591] ? kernel_init_freeable+0xdc/0x17b
[ 46.321601] ? kernel_init_freeable+0xfe/0x17b
[ 46.321601] ? rest_init+0x9c/0x9c
[ 46.331608] ? kernel_init+0x5/0xd1
[ 46.341600] ? ret_from_fork+0x19/0x24
[ 46.341600] Kernel panic - not syncing: softlockup: hung tasks
[ 46.351557] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G L 4.19.0-rc5-00256-g2264f51 #1
[ 46.361587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 46.371629] Call Trace:
[ 46.381579] ? dump_stack+0x52/0x66
[ 46.381579] ? panic+0x93/0x1aa
[ 46.391564] ? watchdog_timer_fn+0x1dc/0x1fd
[ 46.391564] ? __hrtimer_run_queues+0xa3/0xe9
[ 46.401635] ? softlockup_fn+0x25/0x25
[ 46.411624] ? hrtimer_run_queues+0xc7/0xdb
[ 46.411624] ? run_local_timers+0x12/0x36
[ 46.421599] ? update_process_times+0x19/0x40
[ 46.431580] ? tick_nohz_handler+0xaf/0xe9
[ 46.431580] ? smp_apic_timer_interrupt+0x51/0x60
[ 46.442305] ? apic_timer_interrupt+0xf8/0x100
[ 46.451611] ? arch_local_irq_restore+0x2/0x7
[ 46.451611] ? _raw_spin_unlock_irqrestore+0xf/0x18
[ 46.461659] ? debug_object_active_state+0xac/0xc6
[ 46.471580] ? debug_rcu_head_queue+0x20/0x26
[ 46.481588] ? __call_rcu+0x27/0x162
[ 46.491506] ? radix_tree_node_ctor+0x19/0x19
[ 46.491629] ? call_rcu_sched+0xc/0xe
[ 46.501620] ? xas_free_nodes+0x64/0x73
[ 46.501620] ? xas_store+0x11b/0x2bd
[ 46.511630] ? __check_store_iter+0x143/0x26f
[ 46.521609] ? check_store_iter+0x1a9/0x25c
[ 46.531591] ? check_xas_retry+0x328/0x328
[ 46.541597] ? xarray_checks+0x41/0x73
[ 46.541597] ? do_one_initcall+0x62/0x132
[ 46.551579] ? do_early_param+0x6c/0x6c
[ 46.561494] ? kernel_init_freeable+0xdc/0x17b
[ 46.561594] ? kernel_init_freeable+0xfe/0x17b
[ 46.571616] ? rest_init+0x9c/0x9c
[ 46.581628] ? kernel_init+0x5/0xd1
[ 46.581628] ? ret_from_fork+0x19/0x24
[ 46.591638] Kernel Offset: disabled
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start v4.20 v4.19 --
git bisect bad 1de4f2ef216dade3b5bd5f5247c4c750a953f51c # 10:55 B 11 1 11 34 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
git bisect good 69d5b97c597307773fe6c59775a5d5a88bb7e6b3 # 11:20 G 150 0 0 0 HID: we do not randomly make new drivers 'default y'
git bisect bad b5b1de3537e2cd8f52971224a1be24bb3ce34a65 # 11:36 B 39 6 39 39 Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
git bisect bad 6ef746769ef5cfef84cdfdf61ecbab5a6aa4651a # 11:49 B 30 8 30 30 Merge tag 'pm-4.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
git bisect bad fe675d4d3c6b96710d481346821839b4a817c672 # 12:01 B 38 6 38 38 Merge tag 'mailbox-v4.20' of git://git.linaro.org/landing-teams/working/fujitsu/integration
git bisect bad 9f51ae62c84a23ade0ba86457d30a30c9db0c50f # 12:15 B 11 3 12 12 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect bad ac747c0715f29c2be3848b719a1b7e65b07f7b21 # 12:29 B 12 6 13 13 Merge tag 'kbuild-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
git bisect bad dad4f140edaa3f6bb452b6913d41af1ffd672e45 # 12:51 B 4 2 4 4 Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
git bisect bad 77da9389b9d5f07d54fda092d1ab56002ec0019a # 13:04 B 10 1 0 0 mm: Convert collapse_shmem to XArray
git bisect bad eb797a8ee0ab4cd03df556980ce7bf167cadaa50 # 13:14 B 1 1 0 0 page cache: Rearrange address_space
git bisect good 41aec91f55985e7f14ee75fe2f6e7bcfff0d0fae # 13:27 G 157 0 0 0 xarray: Add XArray conditional store operations
git bisect good 4e99d4e9579d3b950bf4b38d0d64eb1b9be78761 # 13:40 G 152 0 0 0 xarray: Add xas_for_each_conflict
git bisect bad 3d5bd6e1a04ae779bc5e0de9ba2e92aa55c40fe8 # 13:52 B 99 3 0 0 xarray: Add MAINTAINERS entry
git bisect bad 9f14d4f1f1045f161fd4db8a8e194b7825c2874a # 14:07 B 3 1 1 1 xarray: Add xa_reserve and xa_release
git bisect bad 2264f5132fe45571139727ebdeb78696b35d1506 # 14:18 B 42 2 2 2 xarray: Add xas_create_range
# first bad commit: [2264f5132fe45571139727ebdeb78696b35d1506] xarray: Add xas_create_range
git bisect good 4e99d4e9579d3b950bf4b38d0d64eb1b9be78761 # 14:33 G 815 0 0 0 xarray: Add xas_for_each_conflict
# extra tests with debug options
git bisect bad 2264f5132fe45571139727ebdeb78696b35d1506 # 14:46 B 0 2 16 0 xarray: Add xas_create_range
# extra tests on HEAD of linus/master
git bisect bad 63bdf4284c38a48af21745ceb148a087b190cd21 # 14:57 B 3 12 3 4 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
# extra tests on tree/branch linus/master
git bisect bad 3717f613f48df0222311f974cf8a06c8a6c97bae # 15:13 B 3 3 1 1 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
# extra tests on tree/branch linux-next/master
git bisect bad baf5a9d1f9b95eb97e9eb54932e20dbbf814771c # 15:23 B 13 2 0 0 Add linux-next specific files for 20190305
---
0-DAY kernel test infrastructure Open Source Technology Center
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