From: Huang, Ying <ying.huang@intel.com>
To: lkp@lists.01.org
Subject: Re: [mm, page_alloc] c39e074e4f: INFO: trying to register non-static key.
Date: Tue, 20 Sep 2016 08:56:56 +0800 [thread overview]
Message-ID: <8760pr4cdj.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <57dfdad6.XysiJ91Qjmhw8Kc3%fengguang.wu@intel.com>
[-- Attachment #1: Type: text/plain, Size: 11104 bytes --]
Hi, Fengguang,
Thanks for reporting!
kernel test robot <fengguang.wu@intel.com> writes:
> Greetings,
>
> 0day kernel testing robot got the below dmesg and the first bad commit is
>
> yhuang/percpug
>
> commit c39e074e4f69d4db88805752466cf6053d91d6bf
> Author: Huang Ying <ying.huang@intel.com>
> AuthorDate: Thu Sep 8 21:23:37 2016 -0700
> Commit: Huang Ying <ying.huang@intel.com>
> CommitDate: Mon Sep 19 15:21:30 2016 +0800
>
> mm, page_alloc: Use per CPU group page set
>
> Just a prototype used for testing and verification.
>
> Per CPU page set is changed to be shared by the CPUs in one CPU group.
> This may reduce the burden of slow path (such as drain_all_pages)
> without much performance cost on fast path.
>
> +-------------------------------------------------+------------+------------+------------+
> | | 9c907537ab | c39e074e4f | d58e21b33b |
> +-------------------------------------------------+------------+------------+------------+
> | boot_successes | 112 | 26 | 21 |
> | boot_failures | 0 | 15 | 14 |
> | calltrace:SyS_open | 0 | 1 | 1 |
> | BUG:kernel_reboot-without-warning_in_test_stage | 0 | 1 | 1 |
> | INFO:trying_to_register_non-static_key | 0 | 14 | 13 |
> | calltrace:sched_init_smp | 0 | 14 | 13 |
> | BUG:unable_to_handle_kernel | 0 | 14 | 13 |
> | Oops | 0 | 14 | 13 |
> | RIP:__list_del_entry | 0 | 14 | 13 |
> | Kernel_panic-not_syncing:Fatal_exception | 0 | 14 | 13 |
> +-------------------------------------------------+------------+------------+------------+
Just FYI, the more important bug in the patch should be
"BUG:unable_to_handle_kernel". I think there is room to be improved
here :)
Best Regards,
Huang, Ying
> [ 0.242466] ---------------------------------
> [ 0.243120] smpboot: Total of 1 processors activated (5852.65 BogoMIPS)
> [ 0.244490] CPU group number: 0
> [ 0.245128] INFO: trying to register non-static key.
> [ 0.245873] the code is fine but needs lockdep annotation.
> [ 0.246688] turning off the locking correctness validator.
> [ 0.247495] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc5-00007-gc39e074 #1
> [ 0.248599] 0000000000000000 ffff88000004f970 ffffffff81281d4a 0000000000000000
> [ 0.249767] ffff88001fbdd9a8 0000000000000000 ffff880000048040 ffff88000004f9e0
> [ 0.250931] ffffffff810d0d43 ffffffff810cff05 ffff88000004fa40 0000000100000000
> [ 0.252095] Call Trace:
> [ 0.252474] [<ffffffff81281d4a>] dump_stack+0xb3/0x119
> [ 0.253252] [<ffffffff810d0d43>] register_lock_class+0x1a3/0x4f0
> [ 0.254152] [<ffffffff810cff05>] ? __bfs+0x25/0x250
> [ 0.254900] [<ffffffff810d3cdd>] __lock_acquire+0xcd/0x16b0
> [ 0.255739] [<ffffffff810cff05>] ? __bfs+0x25/0x250
> [ 0.256475] [<ffffffff810d0283>] ? find_usage_backwards+0x63/0x70
> [ 0.257388] [<ffffffff8110ed3d>] ? __module_text_address+0xd/0x60
> [ 0.258304] [<ffffffff810d5905>] lock_acquire+0xa5/0xd0
> [ 0.259102] [<ffffffff8115c01a>] ? get_page_from_freelist+0x17a/0xa20
> [ 0.260065] [<ffffffff8158b788>] _raw_spin_lock+0x38/0x70
> [ 0.260888] [<ffffffff8115c01a>] ? get_page_from_freelist+0x17a/0xa20
> [ 0.261860] [<ffffffff8115c01a>] get_page_from_freelist+0x17a/0xa20
> [ 0.262803] [<ffffffff810d0739>] ? __lock_is_held+0x49/0x70
> [ 0.263648] [<ffffffff8115ce81>] __alloc_pages_nodemask+0xf1/0xc20
> [ 0.264568] [<ffffffff810d36c0>] ? mark_held_locks+0x80/0xa0
> [ 0.265431] [<ffffffff8158ce19>] ? retint_kernel+0x10/0x10
> [ 0.266264] [<ffffffff810d36c0>] ? mark_held_locks+0x80/0xa0
> [ 0.267120] [<ffffffff8119f4a8>] cache_alloc_refill+0x278/0x6d0
> [ 0.268007] [<ffffffff8119fb6d>] __kmalloc+0xdd/0x170
> [ 0.268778] [<ffffffff8128170d>] alloc_cpumask_var_node+0x2d/0x70
> [ 0.269693] [<ffffffff812817d3>] zalloc_cpumask_var+0x23/0x30
> [ 0.270547] [<ffffffff810cd9a6>] cpupri_init+0x56/0x160
> [ 0.271341] [<ffffffff810b14ed>] init_rootdomain+0x8d/0xc0
> [ 0.272169] [<ffffffff810b8502>] build_sched_domains+0x1f2/0xfb0
> [ 0.273073] [<ffffffff810d38fd>] ? trace_hardirqs_on+0xd/0x10
> [ 0.273940] [<ffffffff81281738>] ? alloc_cpumask_var_node+0x58/0x70
> [ 0.274883] [<ffffffff81c85522>] sched_init_smp+0x90/0x14b
> [ 0.275717] [<ffffffff81c6e229>] kernel_init_freeable+0xa5/0x21d
> [ 0.276621] [<ffffffff81583913>] kernel_init+0x13/0x160
> [ 0.277403] [<ffffffff810b5c6a>] ? schedule_tail+0xa/0x70
> [ 0.278221] [<ffffffff8158c68f>] ret_from_fork+0x1f/0x40
> [ 0.279027] [<ffffffff81583900>] ? rest_init+0x170/0x170
> [ 0.279828] BUG: unable to handle kernel NULL pointer dereference at (null)
> [ 0.281011] IP: [<ffffffff812a6bc1>] __list_del_entry+0x1/0xc0
> [ 0.281896] PGD 0
> [ 0.282228] Oops: 0000 [#1] SMP
> [ 0.282705] Modules linked in:
> [ 0.283186] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc5-00007-gc39e074 #1
> [ 0.284279] task: ffff880000048040 task.stack: ffff88000004c000
> [ 0.285150] RIP: 0010:[<ffffffff812a6bc1>] [<ffffffff812a6bc1>] __list_del_entry+0x1/0xc0
> [ 0.286385] RSP: 0000:ffff88000004fb18 EFLAGS: 00010002
> [ 0.287180] RAX: 0000000000000010 RBX: 0000000000000000 RCX: ffff88001fbdd950
> [ 0.288222] RDX: 0000000000000000 RSI: ffff88001fbdd9a8 RDI: 0000000000000000
> [ 0.289292] RBP: ffff88000004fb30 R08: 0000000000000000 R09: 0000000000000001
> [ 0.290338] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81a8fbc0
> [ 0.291383] R13: ffffffff81a8ecc0 R14: ffff88000004fca0 R15: ffffffffffffffe0
> [ 0.292430] FS: 0000000000000000(0000) GS:ffff88001fa00000(0000) knlGS:0000000000000000
> [ 0.293626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 0.294467] CR2: 0000000000000000 CR3: 0000000001a06000 CR4: 00000000000006b0
> [ 0.295506] Stack:
> [ 0.295823] ffff88000004fb30 ffffffff812a6c8d ffff88001fbdd940 ffff88000004fc00
> [ 0.296992] ffffffff8115c21a ffff88000004fb98 ffffffff81f60300 ffffffffffffffff
> [ 0.298173] 00000000000000f0 ffffffff810d0739 0000000000000246 ffff880000048040
> [ 0.299358] Call Trace:
> [ 0.299742] [<ffffffff812a6c8d>] ? list_del+0xd/0x30
> [ 0.300491] [<ffffffff8115c21a>] get_page_from_freelist+0x37a/0xa20
> [ 0.301425] [<ffffffff810d0739>] ? __lock_is_held+0x49/0x70
> [ 0.302255] [<ffffffff8115ce81>] __alloc_pages_nodemask+0xf1/0xc20
> [ 0.303214] [<ffffffff810d36c0>] ? mark_held_locks+0x80/0xa0
> [ 0.304066] [<ffffffff8158ce19>] ? retint_kernel+0x10/0x10
> [ 0.304909] [<ffffffff810d36c0>] ? mark_held_locks+0x80/0xa0
> [ 0.305763] [<ffffffff8119f4a8>] cache_alloc_refill+0x278/0x6d0
> [ 0.306652] [<ffffffff8119fb6d>] __kmalloc+0xdd/0x170
> [ 0.307412] [<ffffffff8128170d>] alloc_cpumask_var_node+0x2d/0x70
> [ 0.308325] [<ffffffff812817d3>] zalloc_cpumask_var+0x23/0x30
> [ 0.309220] [<ffffffff810cd9a6>] cpupri_init+0x56/0x160
> [ 0.310012] [<ffffffff810b14ed>] init_rootdomain+0x8d/0xc0
> [ 0.310835] [<ffffffff810b8502>] build_sched_domains+0x1f2/0xfb0
> [ 0.311731] [<ffffffff810d38fd>] ? trace_hardirqs_on+0xd/0x10
> [ 0.312589] [<ffffffff81281738>] ? alloc_cpumask_var_node+0x58/0x70
> [ 0.313521] [<ffffffff81c85522>] sched_init_smp+0x90/0x14b
> [ 0.314354] [<ffffffff81c6e229>] kernel_init_freeable+0xa5/0x21d
> [ 0.315255] [<ffffffff81583913>] kernel_init+0x13/0x160
> [ 0.316042] [<ffffffff810b5c6a>] ? schedule_tail+0xa/0x70
> [ 0.316857] [<ffffffff8158c68f>] ret_from_fork+0x1f/0x40
> [ 0.317656] [<ffffffff81583900>] ? rest_init+0x170/0x170
> [ 0.318450] Code: e8 55 fd dd ff 49 89 5d 08 4c 89 2b 4c 89 63 08 49
> 89 1c 24 5b 41 5c 41 5d 5d c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00
> 00 00 55 <48> 8b 07 48 b9 00 01 00 00 00 00 ad de 48 8b 57 08 48 89 e5
> 48
> [ 0.322564] RIP [<ffffffff812a6bc1>] __list_del_entry+0x1/0xc0
> [ 0.323462] RSP <ffff88000004fb18>
> [ 0.323991] CR2: 0000000000000000
> [ 0.324490] ---[ end trace dd2d7158799a5176 ]---
> [ 0.325173] Kernel panic - not syncing: Fatal exception
>
> git bisect start d58e21b33bcce2872be988bac3623f236e305c7a 3be7988674ab33565700a37b210f502563d932e6 --
> git bisect bad 21e17ed6bcbec67922aab4aa0017163c9938de95 # 18:22 0- 6
> Merge
> 'linux-review/Jesper-Dangaard-Brouer/mlx4-add-missed-recycle-opportunity-for-XDP_TX-on-TX-failure/20160919-154428'
> into devel-catchup-201609191709
> git bisect good 2188b5ae449853f8902511fb5f4b2109b7d362e5 # 18:33 30+ 0
> Merge 'staging/staging-testing' into devel-catchup-201609191709
> git bisect good 9d03a44b6d1b2a0fe569698438f9a3c259456873 # 18:44 33+ 0
> Merge 'ext3/for_next' into devel-catchup-201609191709
> git bisect bad 1d1325f84b0b42e8451a7388db25d320c6565a80 # 18:56 18- 15
> Merge 'yhuang/percpug' into devel-catchup-201609191709
> git bisect bad c39e074e4f69d4db88805752466cf6053d91d6bf # 19:06 0- 1
> mm, page_alloc: Use per CPU group page set
> git bisect good 9c907537ab770bc4b6023fb1021f79a9eb8f8709 # 19:19 37+ 0 Add percpu group
> # first bad commit: [c39e074e4f69d4db88805752466cf6053d91d6bf] mm, page_alloc: Use per CPU group page set
> git bisect good 9c907537ab770bc4b6023fb1021f79a9eb8f8709 # 19:23 108+ 0 Add percpu group
> # extra tests with CONFIG_DEBUG_INFO_REDUCED
> git bisect bad c39e074e4f69d4db88805752466cf6053d91d6bf # 19:35 0- 22
> mm, page_alloc: Use per CPU group page set
> # extra tests on HEAD of linux-devel/devel-catchup-201609191709
> git bisect bad d58e21b33bcce2872be988bac3623f236e305c7a # 19:35 0- 14
> 0day head guard for 'devel-catchup-201609191709'
> # extra tests on tree/branch yhuang/percpug
> git bisect bad c39e074e4f69d4db88805752466cf6053d91d6bf # 19:41 0- 15
> mm, page_alloc: Use per CPU group page set
> # extra tests with first bad commit reverted
> git bisect good 70b0ea34404032bb3a744d92f86c16c576d37b8a # 19:59 102+
> 0 Revert "mm, page_alloc: Use per CPU group page set"
> # extra tests on tree/branch linus/master
> git bisect good 3be7988674ab33565700a37b210f502563d932e6 # 20:03 106+ 5 Linux 4.8-rc7
> # extra tests on tree/branch linux-next/master
> git bisect good 3551fc28a8a709c211b969621a9dabe2bdb1b5bf # 20:32 112+
> 2 Add linux-next specific files for 20160919
>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/lkp Intel Corporation
prev parent reply other threads:[~2016-09-20 0:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 12:32 [mm, page_alloc] c39e074e4f: INFO: trying to register non-static key kernel test robot
2016-09-20 0:56 ` Huang, Ying [this message]
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