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Date: Mon, 19 Sep 2016 09:39:28 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Yijing Wang <wangyijing@...wei.com>
Cc: jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
Hannes Reinecke <hare@...e.de>, Tejun Heo <tj@...nel.org>,
Qilin Chen <chenqilin2@...wei.com>,
Yijing Wang <wangyijing@...wei.com>,
Wei Fang <fangwei1@...wei.com>,
Yousong He <heyousong@...wei.com>, linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org, lkp@...org
Subject: [lkp] [libsas] 7fdf3b79f2: BUG: sleeping function called from
invalid context at mm/slab.h:393
FYI, we noticed the following commit:
https://github.com/0day-ci/linux Yijing-Wang/libsas-Alloc-dynamic-work-to-avoid-missing-sas-events/20160913-102822
commit 7fdf3b79f2d88bee5be57d80b55c003cef48e841 ("libsas: Alloc dynamic work to avoid missing sas events")
in testcase: will-it-scale
with following parameters:
test: lock1
cpufreq_governor: performance
Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
on test machine: 64 threads Intel(R) Xeon(R) CPU E5-4650 0 @ 2.70GHz with 64G memory
caused below changes:
+------------------------------------------------------------------+------------+------------+
| | 237870b337 | 7fdf3b79f2 |
+------------------------------------------------------------------+------------+------------+
| boot_successes | 0 | 2 |
| boot_failures | 3 | 10 |
| BUG:kernel_reboot-without-warning_in_test_stage | 3 | |
| BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h | 0 | 8 |
| 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 |
+------------------------------------------------------------------+------------+------------+
Starting watchdog daemon...
Starting Update UTMP about System Runlevel Changes...
[ 24.750994] BUG: sleeping function called from invalid context at mm/slab.h:393
[ 24.760818] in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0
[ 24.768265] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.0-rc1-00124-g7fdf3b7 #1
[ 24.776689] Hardware name: Intel Corporation LH Pass/S4600LH...., BIOS SE5C600.86B.99.02.1047.032320122259 03/23/2012
[ 24.788630] 0000000000000000 ffff88042f603c38 ffffffff8144bb59 ffffffff81e0d4c0
[ 24.796996] 0000000000000189 ffff88042f603c50 ffffffff810a49f4 ffffffff81cb8b20
[ 24.805359] ffff88042f603c78 ffffffff810a4a89 00000000024080c0 00000000024080c0
[ 24.813731] Call Trace:
[ 24.816485] <IRQ> [<ffffffff8144bb59>] dump_stack+0x63/0x8a
[ 24.822992] [<ffffffff810a49f4>] ___might_sleep+0xd4/0x120
[ 24.829253] [<ffffffff810a4a89>] __might_sleep+0x49/0x80
[ 24.835329] [<ffffffff811e686e>] kmem_cache_alloc_trace+0x15e/0x1b0
[ 24.842507] [<ffffffffa0053cd5>] notify_port_event+0x35/0x90 [libsas]
[ 24.849878] [<ffffffffa01957c3>] sci_port_activate_phy+0xf3/0x1d0 [isci]
[ 24.857515] [<ffffffffa01958ed>] sci_port_general_link_up_handler+0x4d/0xa0 [isci]
[ 24.866131] [<ffffffffa0195f8c>] sci_port_add_phy+0xec/0x1d0 [isci]
[ 24.873279] [<ffffffffa019d3b3>] apc_agent_timeout+0x193/0x2f0 [isci]
[ 24.880645] [<ffffffffa019d220>] ? sci_apc_agent_link_down+0x70/0x70 [isci]
[ 24.888577] [<ffffffff810ebb75>] call_timer_fn+0x35/0x130
[ 24.894739] [<ffffffff810ec332>] run_timer_softirq+0x222/0x4e0
[ 24.901399] [<ffffffff810f4681>] ? ktime_get+0x41/0xb0
[ 24.907283] [<ffffffff810522a9>] ? lapic_next_deadline+0x29/0x30
[ 24.914133] [<ffffffff819316fd>] __do_softirq+0x10d/0x2b7
[ 24.920315] [<ffffffff810844da>] irq_exit+0xda/0xe0
[ 24.925891] [<ffffffff819314f2>] smp_apic_timer_interrupt+0x42/0x50
[ 24.933026] [<ffffffff8192f61c>] apic_timer_interrupt+0x8c/0xa0
[ 24.939778] <EOI> [<ffffffff817980cf>] ? cpuidle_enter_state+0x11f/0x2e0
[ 24.947528] [<ffffffff817982c7>] cpuidle_enter+0x17/0x20
[ 24.953607] [<ffffffff810c2b1a>] call_cpuidle+0x2a/0x50
[ 24.959565] [<ffffffff810c2ecc>] cpu_startup_entry+0x26c/0x310
[ 24.966221] [<ffffffff819211a5>] rest_init+0x85/0x90
[ 24.971910] [<ffffffff81ff5f61>] start_kernel+0x407/0x414
[ 24.978071] [<ffffffff81ff5120>] ? early_idt_handler_array+0x120/0x120
[ 24.985498] [<ffffffff81ff52db>] x86_64_start_reservations+0x2f/0x31
[ 24.992737] [<ffffffff81ff541a>] x86_64_start_kernel+0x13d/0x14c
[ 24.999800] sas: phy-2:2 added to port-2:0, phy_mask:0x4 ( 1e672b58920008)
[ 25.007780] sas: phy-2:3 added to port-2:1, phy_mask:0x8 (5000c5004badfb25)
[ 25.015673] sas: DOING DISCOVERY on port 0, pid:668
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,
Xiaolong
View attachment "config-4.8.0-rc1-00124-g7fdf3b7" of type "text/plain" (152649 bytes)
View attachment "job-script" of type "text/plain" (6459 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (26308 bytes)
View attachment "will-it-scale" of type "text/plain" (425 bytes)
View attachment "job.yaml" of type "text/plain" (4069 bytes)
View attachment "reproduce" of type "text/plain" (149 bytes)
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