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Date: Tue, 27 Oct 2015 16:37:49 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Andi Kleen <ak@...ux.intel.com>
CC: 0day robot <fengguang.wu@...el.com>
Subject: [lkp] [x86, perf] 68c3d26413: WARNING: CPU: 0 PID: 1 at
arch/x86/kernel/cpu/perf_event_intel.c:1820
intel_pmu_handle_irq+0x481/0x4a0()
FYI, we noticed the below changes on
https://github.com/0day-ci/linux Andi-Kleen/x86-perf-Use-a-new-PMU-ack-sequence-on-Skylake/20151016-074238
commit 68c3d26413417b69cde6b4e6661f29dbf40fb65a ("x86, perf: Use a new PMU ack sequence on Skylake")
+---------------------------------------------------------------------------+------------+------------+
| | e9363deeb2 | 68c3d26413 |
+---------------------------------------------------------------------------+------------+------------+
| boot_successes | 11 | 15 |
| boot_failures | 0 | 8 |
| WARNING:at_arch/x86/kernel/cpu/perf_event_intel.c:#intel_pmu_handle_irq() | 0 | 8 |
| backtrace:dev_printk | 0 | 2 |
| backtrace:pci_pm_init | 0 | 2 |
| backtrace:acpi_bus_scan | 0 | 8 |
| backtrace:acpi_scan_init | 0 | 8 |
| backtrace:acpi_init | 0 | 8 |
| backtrace:kernel_init_freeable | 0 | 8 |
+---------------------------------------------------------------------------+------------+------------+
[ 1.503050] pci 0000:00:00.0: [8086:3406] type 00 class 0x060000
[ 1.509793] pci 0000:00:00.0: PME# supported from D0 D3hot D3cold
[ 1.515028] ------------[ cut here ]------------
[ 1.515032] WARNING: CPU: 0 PID: 1 at arch/x86/kernel/cpu/perf_event_intel.c:1820 intel_pmu_handle_irq+0x481/0x4a0()
[ 1.515033] perfevents: irq loop stuck!
[ 1.515034] Modules linked in:
[ 1.515035] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc4-00237-g68c3d26 #1
[ 1.515036] Hardware name: Intel Corporation S5520UR/S5520UR, BIOS S5500.86B.01.00.0050.050620101605 05/06/2010
[ 1.515038] ffffffff81b7a038 ffff8801e9a05b58 ffffffff81403b62 ffff8801e9a05ba0
[ 1.515039] ffff8801e9a05b90 ffffffff810757c6 ffff8801e9a0bfc0 0000000000000064
[ 1.515040] ffff88035e881000 0000000000000040 ffff8801e9a0c1c0 ffff8801e9a05bf0
[ 1.515040] Call Trace:
[ 1.515048] <NMI> [<ffffffff81403b62>] dump_stack+0x4b/0x69
[ 1.515051] [<ffffffff810757c6>] warn_slowpath_common+0x86/0xc0
[ 1.515052] [<ffffffff8107584c>] warn_slowpath_fmt+0x4c/0x50
[ 1.515053] [<ffffffff81034071>] intel_pmu_handle_irq+0x481/0x4a0
[ 1.515057] [<ffffffff8102a8d6>] perf_event_nmi_handler+0x26/0x40
[ 1.515060] [<ffffffff81019260>] nmi_handle+0x80/0x120
[ 1.515061] [<ffffffff81019784>] default_do_nmi+0x44/0x120
[ 1.515062] [<ffffffff81019942>] do_nmi+0xe2/0x130
[ 1.515065] [<ffffffff818b1921>] end_repeat_nmi+0x1a/0x1e
[ 1.515068] [<ffffffff8141035c>] ? delay_tsc+0x2c/0x70
[ 1.515069] [<ffffffff8141035c>] ? delay_tsc+0x2c/0x70
[ 1.515070] [<ffffffff8141035c>] ? delay_tsc+0x2c/0x70
[ 1.515072] <<EOE>> [<ffffffff814102c7>] __const_udelay+0x27/0x30
[ 1.515075] [<ffffffff81511ecc>] wait_for_xmitr+0x2c/0xa0
[ 1.515077] [<ffffffff81511f5c>] serial8250_console_putchar+0x1c/0x30
[ 1.515078] [<ffffffff81511f40>] ? wait_for_xmitr+0xa0/0xa0
[ 1.515079] [<ffffffff8150b5f3>] uart_console_write+0x33/0x60
[ 1.515082] [<ffffffff81514590>] serial8250_console_write+0xc0/0x270
[ 1.515084] [<ffffffff810951d1>] ? atomic_notifier_call_chain+0x21/0x30
[ 1.515087] [<ffffffff81503fd1>] ? vt_console_print+0x231/0x3d0
[ 1.515088] [<ffffffff8150fb46>] univ8250_console_write+0x26/0x30
[ 1.515090] [<ffffffff810cba06>] call_console_drivers+0xf6/0x100
[ 1.515092] [<ffffffff810cce5a>] console_unlock+0x2fa/0x4d0
[ 1.515093] [<ffffffff810cd3f2>] vprintk_emit+0x3c2/0x540
[ 1.515096] [<ffffffff815488a4>] dev_vprintk_emit+0xb4/0x210
[ 1.515099] [<ffffffff8147ee7d>] ? acpi_os_signal_semaphore+0x73/0x83
[ 1.515102] [<ffffffff814c0f5d>] ? acpi_ut_release_mutex+0xb4/0xbc
[ 1.515104] [<ffffffff814b3d16>] ? acpi_get_data_full+0x7d/0x90
[ 1.515105] [<ffffffff81482fa0>] ? __acpi_match_device+0x64/0x117
[ 1.515106] [<ffffffff81548a3e>] dev_printk_emit+0x3e/0x40
[ 1.515109] [<ffffffff8175a9f3>] ? raw_pci_read+0x23/0x40
[ 1.515110] [<ffffffff81548a86>] __dev_printk+0x46/0x90
[ 1.515111] [<ffffffff81548b1d>] dev_printk+0x4d/0x50
[ 1.515113] [<ffffffff814486c0>] pci_pm_init+0x1c0/0x220
[ 1.515115] [<ffffffff81443044>] pci_device_add+0xb4/0x180
[ 1.515116] [<ffffffff8144319c>] pci_scan_single_device+0x8c/0xb0
[ 1.515117] [<ffffffff81443213>] pci_scan_slot+0x53/0x110
[ 1.515118] [<ffffffff814443b8>] pci_scan_child_bus+0x38/0x150
[ 1.515120] [<ffffffff817594a0>] pci_acpi_scan_root+0x290/0x5e0
[ 1.515122] [<ffffffff8148a242>] acpi_pci_root_add+0x3b0/0x49f
[ 1.515123] [<ffffffff81ec77cd>] ? acpi_sleep_proc_init+0x2a/0x2a
[ 1.515125] [<ffffffff8148573b>] acpi_bus_attach+0xd4/0x171
[ 1.515126] [<ffffffff81485795>] acpi_bus_attach+0x12e/0x171
[ 1.515127] [<ffffffff81485795>] acpi_bus_attach+0x12e/0x171
[ 1.515129] [<ffffffff814858c6>] acpi_bus_scan+0x5c/0x67
[ 1.515130] [<ffffffff81ec7bf2>] acpi_scan_init+0x5b/0x190
[ 1.515131] [<ffffffff81ec7a36>] acpi_init+0x269/0x286
[ 1.515133] [<ffffffff81002123>] do_one_initcall+0xb3/0x1d0
[ 1.515135] [<ffffffff81e7c14e>] kernel_init_freeable+0x1c1/0x24e
[ 1.515137] [<ffffffff818a29c0>] ? rest_init+0x90/0x90
[ 1.515138] [<ffffffff818a29ce>] kernel_init+0xe/0xe0
[ 1.515139] [<ffffffff818af71f>] ret_from_fork+0x3f/0x70
[ 1.515140] [<ffffffff818a29c0>] ? rest_init+0x90/0x90
[ 1.515142] ---[ end trace 01fce7d27e4440f8 ]---
[ 1.515143]
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Ying Huang
View attachment "config-4.3.0-rc4-00237-g68c3d26" of type "text/plain" (141579 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (23656 bytes)
View attachment "job.yaml" of type "text/plain" (3654 bytes)
View attachment "reproduce" of type "text/plain" (159 bytes)
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