From: Peter Zijlstra <peterz@infradead.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>
Subject: Re: [perf_event_ctx_lock_nested] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
Date: Mon, 30 Oct 2017 09:42:25 +0100 [thread overview]
Message-ID: <20171030084225.n3e2lsrkmjdxh6gf@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20171029230201.neja7ggefrlb7foj@wfg-t540p.sh.intel.com>
On Mon, Oct 30, 2017 at 12:02:01AM +0100, Fengguang Wu wrote:
> The dmesg fragment is
>
> [ 40.886662] done
> [ 40.886686] [ 40.905102] capability: warning: `turbostat' uses 32-bit
> capabilities (legacy support in use)
> [ 40.940087] IPMI Device Information
> [ 41.073351] [ 41.076223] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
> [ 41.076224] in_atomic(): 1, irqs_disabled(): 0, pid: 14, name: watchdog/0
> [ 41.076226] CPU: 0 PID: 14 Comm: watchdog/0 Tainted: G O 4.8.0-01558-g21f54dd #1
^^^^^^^^^^^^^^^^^^^^
That's not 4.14 or even close.
> [ 41.076228] Hardware name: Dell Inc. PowerEdge R630/0CNCJW, BIOS 2.1.7 06/16/2016
> [ 41.076231] ffffc900001bfd90 ffffffff813de3b9 ffff882062ab4b80 0000000000000061
> [ 41.076232] ffffc900001bfda8 ffffffff810a7083 ffffffff81c6fa60 ffffc900001bfdd0
> [ 41.076233] ffffffff810a711a ffff88206661d4a8 ffff882066037800 ffff88206661d4a8
> [ 41.076234] Call Trace:
> [ 41.076240] [<ffffffff813de3b9>] dump_stack+0x63/0x8a
> [ 41.076246] [<ffffffff810a7083>] ___might_sleep+0xd3/0x120
> [ 41.076248] [<ffffffff810a711a>] __might_sleep+0x4a/0x80
> [ 41.076254] [<ffffffff818c5550>] mutex_lock+0x20/0x50
> [ 41.076256] [<ffffffff81179882>] perf_event_ctx_lock_nested+0x52/0xa0
> [ 41.076259] [<ffffffff8117ca1f>] perf_event_disable+0xf/0x30
> [ 41.076261] [<ffffffff81132056>] watchdog_nmi_disable+0x36/0x70
> [ 41.076263] [<ffffffff810a3a24>] ? smpboot_thread_fn+0x34/0x1f0
> [ 41.076264] [<ffffffff811320dd>] watchdog_disable+0x4d/0x60
> [ 41.076266] [<ffffffff810a3b53>] smpboot_thread_fn+0x163/0x1f0
> [ 41.076267] [<ffffffff810a39f0>] ? sort_range+0x30/0x30
> [ 41.076269] [<ffffffff810a05f5>] kthread+0xd5/0xf0
> [ 41.076270] [<ffffffff810a0520>] ? kthread_park+0x60/0x60
> [ 41.076272] [<ffffffff818c8345>] ret_from_fork+0x25/0x30
I'm not seeing where preemption would be disabled there.. we explicitly
call ->park() with preempt enabled.
next prev parent reply other threads:[~2017-10-30 8:42 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 11:03 Linux 4.14-rc6 Linus Torvalds
2017-10-29 22:51 ` Fengguang Wu
2017-10-29 23:02 ` [perf_event_ctx_lock_nested] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97 Fengguang Wu
2017-10-30 8:42 ` Peter Zijlstra [this message]
2017-10-30 8:52 ` Fengguang Wu
2017-10-29 23:10 ` [o2nm_depend_item] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:52 Fengguang Wu
2017-10-29 23:23 ` Fengguang Wu
2017-10-30 1:48 ` Eric Ren
2017-10-30 2:04 ` piaojun
2017-10-29 23:18 ` [ghes_copy_tofrom_phys] BUG: sleeping function called from invalid context at mm/page_alloc.c:4150 Fengguang Wu
2017-10-30 11:05 ` Borislav Petkov
2017-10-30 14:01 ` Tyler Baicar
2017-10-30 14:06 ` Borislav Petkov
2017-10-30 14:17 ` Tyler Baicar
2017-10-30 14:56 ` Borislav Petkov
2017-10-30 17:20 ` Linus Torvalds
2017-10-30 17:42 ` Borislav Petkov
2017-10-30 17:46 ` Linus Torvalds
2017-10-30 17:49 ` Will Deacon
2017-10-30 18:00 ` Linus Torvalds
2017-10-30 20:14 ` Tyler Baicar
2017-10-31 10:38 ` Will Deacon
2017-10-31 12:29 ` Mark Rutland
[not found] ` <20171106224635.qopgsszwxzuitkpf@wfg-t540p.sh.intel.com>
2017-11-06 22:57 ` [v4.14-rc8 ghes_copy_tofrom_phys] BUG: sleeping function called from invalid context at lib/ioremap.c:165 Linus Torvalds
2017-11-06 23:20 ` Fengguang Wu
2017-11-06 23:02 ` Borislav Petkov
2017-11-06 23:04 ` Rafael J. Wysocki
2017-11-07 13:39 ` Fengguang Wu
[not found] ` <20171106225354.6ucl4f4ipsjlntzl@wfg-t540p.sh.intel.com>
2017-11-06 23:12 ` [ata_scsi_offline_dev] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238 Linus Torvalds
2017-11-07 0:12 ` Tejun Heo
2017-11-07 3:34 ` Martin K. Petersen
2017-11-07 6:55 ` Hannes Reinecke
2017-10-29 23:37 ` [pgtable_trans_huge_withdraw] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 Fengguang Wu
2017-10-30 9:19 ` Kirill A. Shutemov
2017-10-30 9:28 ` Fengguang Wu
2017-10-30 11:27 ` Kirill A. Shutemov
2017-10-30 11:58 ` Kirill A. Shutemov
2017-10-30 12:40 ` Zi Yan
2017-10-30 13:24 ` Kirill A. Shutemov
2017-10-29 23:48 ` [run_timer_softirq] BUG: unable to handle kernel paging request at 0000000000010007 Fengguang Wu
2017-10-30 19:29 ` Linus Torvalds
2017-10-30 20:37 ` Fengguang Wu
[not found] ` <20171109051905.pdlsyrbzrwlsjbrs@wfg-t540p.sh.intel.com>
2017-11-10 20:08 ` Linus Torvalds
2017-11-10 21:29 ` Thomas Gleixner
2017-11-11 15:35 ` Fengguang Wu
2017-10-30 6:27 ` Linux 4.14-rc6: WARNING: CPU: 9 PID: 5377 at arch/x86/events/intel/core.c:2228 intel_pmu_handle_irq+0x4a8/0x4c0 Fengguang Wu
2017-10-30 10:02 ` Peter Zijlstra
2017-10-30 22:49 ` Fengguang Wu
2017-10-31 14:57 ` Peter Zijlstra
2017-10-30 6:44 ` [migration_cpu_stop] WARNING: CPU: 0 PID: 11 at arch/x86/kernel/smp.c:128 native_smp_send_reschedule+0x69/0x9e Fengguang Wu
2017-10-30 7:00 ` [haswell_crtc_enable] WARNING: CPU: 3 PID: 109 at drivers/gpu/drm/drm_vblank.c:1066 drm_wait_one_vblank+0x18f/0x1a0 [drm] Fengguang Wu
2017-10-30 19:10 ` Linus Torvalds
2017-10-30 20:03 ` [Intel-gfx] " Rodrigo Vivi
2017-10-30 23:17 ` Fengguang Wu
2017-10-30 20:18 ` Fengguang Wu
2017-10-30 7:20 ` [btrfs] WARNING: CPU: 0 PID: 6379 at fs/direct-io.c:293 dio_complete+0x1d4/0x220 Fengguang Wu
2017-10-30 7:44 ` Eryu Guan
2017-10-31 0:10 ` Fengguang Wu
2017-10-31 6:54 ` Eryu Guan
2017-10-31 7:10 ` Fengguang Wu
2017-11-06 1:13 ` Eric Biggers
2017-11-13 19:13 ` Eric Biggers
2017-11-13 19:16 ` Jens Axboe
2017-11-13 19:21 ` Linus Torvalds
2017-11-13 21:56 ` Darrick J. Wong
2017-11-13 22:01 ` Linus Torvalds
2017-11-14 17:17 ` Theodore Ts'o
2017-10-31 15:13 ` Filipe Manana
2017-10-30 7:35 ` [locking/paravirt] static_key_disable_cpuslocked(): static key 'virt_spin_lock_key+0x0/0x20' used before call to jump_label_init() Fengguang Wu
2017-10-30 7:47 ` Juergen Gross
2017-10-30 8:38 ` Fengguang Wu
2017-10-30 9:56 ` Fengguang Wu
2017-10-30 8:43 ` Dou Liyang
2017-10-30 7:40 ` [pmem_attach_disk] WARNING: CPU: 46 PID: 518 at kernel/memremap.c:363 devm_memremap_pages+0x350/0x4b0 Fengguang Wu
2017-10-30 15:59 ` Dan Williams
2017-10-31 0:00 ` Fengguang Wu
2017-10-31 0:24 ` Dan Williams
2017-10-31 7:08 ` Fengguang Wu
2017-11-12 0:15 ` Theodore Ts'o
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