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Date: Thu, 13 Apr 2017 17:27:30 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: George Cherian <george.cherian@...ium.com>
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
devel@...ica.org, ashwin.chaugule@...aro.org, rjw@...ysocki.net,
lenb@...nel.org, jassisinghbrar@...il.com, robert.moore@...el.com,
lv.zheng@...el.com, George Cherian <george.cherian@...ium.com>,
lkp@...org
Subject: [ACPI / CPPC] 3e95abd02e: BUG:unable_to_handle_kernel
FYI, we noticed the following commit:
commit: 3e95abd02e38d3195d33b7ffaeba875ffff24def ("ACPI / CPPC: Make cppc acpi driver aware of pcc subspace ids")
url: https://github.com/0day-ci/linux/commits/George-Cherian/Make-cppc-acpi-driver-aware-of-pcc-subspace-ids/20170402-124136
base: https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git linux-next
in testcase: reaim
with following parameters:
runtime: 300s
nr_task: 100%
nr_job: 1000
test: alltests
cpufreq_governor: performance
test-description: REAIM is an updated and improved version of AIM 7 benchmark.
test-url: https://sourceforge.net/projects/re-aim-7/
on test machine: 112 threads Skylake with 64G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+------------------------------------------------------------------+------------+------------+
| | 042703d265 | 3e95abd02e |
+------------------------------------------------------------------+------------+------------+
| boot_successes | 4 | 4 |
| boot_failures | 0 | 6 |
| BUG:unable_to_handle_kernel | 0 | 4 |
| Oops:#[##] | 0 | 4 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 4 |
| invoked_oom-killer:gfp_mask=0x | 0 | 2 |
| Mem-Info | 0 | 2 |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 0 | 2 |
+------------------------------------------------------------------+------------+------------+
[ 20.247700] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[ 20.255890] IP: pcc_mbox_request_channel+0x42/0x140
[ 20.260986] PGD 0
[ 20.260986]
[ 20.264939] Oops: 0000 [#1] SMP
[ 20.268301] Modules linked in:
[ 20.271597] CPU: 4 PID: 1 Comm: swapper/0 Not tainted 4.11.0-rc4-00028-g3e95abd #5
[ 20.279524] Hardware name: Intel Corporation PURLEY/PURLEY, BIOS SE5C620.86B.01.00.0294.101220161509 10/12/2016
[ 20.289958] task: ffff88103ddc0000 task.stack: ffffc90000078000
[ 20.296101] RIP: 0010:pcc_mbox_request_channel+0x42/0x140
[ 20.301720] RSP: 0000:ffffc9000007bc78 EFLAGS: 00010207
[ 20.307166] RAX: ffffffff823b8b00 RBX: 0000000000000000 RCX: 000000000000017a
[ 20.314557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff820d15e0
[ 20.321908] RBP: ffffc9000007bca8 R08: 000000000001cd20 R09: ffffffff814e5997
[ 20.329264] R10: ffffea002105aa80 R11: 000000000000005f R12: 0000000000000000
[ 20.336614] R13: 0000000000000000 R14: ffffffff823b8b00 R15: 0000000000000000
[ 20.343963] FS: 0000000000000000(0000) GS:ffff88085d900000(0000) knlGS:0000000000000000
[ 20.352421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.358388] CR2: 0000000000000010 CR3: 000000107f011000 CR4: 00000000003406e0
[ 20.365743] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.373093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.380440] Call Trace:
[ 20.383109] acpi_cppc_processor_probe+0x2df/0x47d
[ 20.388125] __acpi_processor_start+0x3f/0x179
[ 20.392815] acpi_processor_start+0x35/0x38
[ 20.397221] driver_probe_device+0x135/0x289
[ 20.401711] __driver_attach+0x6f/0x91
[ 20.405682] ? driver_probe_device+0x289/0x289
[ 20.410340] bus_for_each_dev+0x6d/0x85
[ 20.414399] driver_attach+0x1e/0x20
[ 20.418193] bus_add_driver+0xf3/0x1e3
[ 20.422165] ? set_debug_rodata+0x12/0x12
[ 20.426399] driver_register+0x88/0xbf
[ 20.430369] ? acpi_fan_driver_init+0x14/0x14
[ 20.434949] acpi_processor_driver_init+0x20/0x94
[ 20.439872] do_one_initcall+0x90/0x141
[ 20.443935] ? set_debug_rodata+0x12/0x12
[ 20.448178] kernel_init_freeable+0x16f/0x1f2
[ 20.452755] ? rest_init+0x87/0x87
[ 20.456374] kernel_init+0xe/0xf5
[ 20.459913] ret_from_fork+0x2c/0x40
[ 20.463732] Code: 4c 8b 25 41 8e ae 00 78 29 3b 35 51 8e ae 00 7f 21 4c 63 ee 49 69 dd f8 00 00 00 48 03 1d be 8e ae 00 48 81 fb 00 f0 ff ff 77 07 <48> 83 7b 10 00 74 1b 48 c7 c6 86 b3 f1 81 4c 89 e7 48 c7 c3 f0
[ 20.483118] RIP: pcc_mbox_request_channel+0x42/0x140 RSP: ffffc9000007bc78
[ 20.490207] CR2: 0000000000000010
[ 20.493882] ---[ end trace 7ca91660c25bc27d ]---
To reproduce:
git clone https://github.com/01org/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Kernel Test Robot
View attachment "config-4.11.0-rc4-00028-g3e95abd" of type "text/plain" (104746 bytes)
View attachment "job-script" of type "text/plain" (6539 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (14800 bytes)
View attachment "job.yaml" of type "text/plain" (4146 bytes)
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