Fixed
Created: Nov 17, 2014
Updated: Dec 3, 2018
Resolved Date: Nov 17, 2014
Previous ID: LIN7-1799
Found In Version: 6.0
Fix Version: 6.0.0.15
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: BSP
root@intel_shumway-3:/opt/wr-test/testcases/bts/cpu_hotplug_offline# echo 0 > /sys/devices/system/cpu/cpu1/online
BUG: sleeping function called from invalid context at /intel-x86-64/bitbake_build/tmp/work/intel_x86_64-wrs-linux/linux-windriver/3.14-r0/linux/kernel/locking/rtmutex.c:905
in_atomic(): 1, irqs_disabled(): 1, pid: 18, name: migration/1
Preemption disabled at:[<ffffffff8107a11d>] smpboot_thread_fn+0x18d/0x2d0
CPU: 1 PID: 18 Comm: migration/1 Not tainted 3.14.22-rt9-WR7.0.0.0_preempt-rt #2
Hardware name: Intel Corporation SandyBridge Platform/To be filled by O.E.M., BIOS CCFRCLC0.019.1308201516 08/20/2013
ffff880134600000 ffff8801345efbf0 ffffffff819ec0c5 0000000000000000
ffff8801345efc08 ffffffff8107ed73 ffffffff81e07f80 ffff8801345efc20
ffffffff819f2b10 ffffffff81e07f80 ffff8801345efc38 ffffffff819f2de0
Call Trace:
[<ffffffff819ec0c5>] dump_stack+0x4e/0x7a
[<ffffffff8107ed73>] __might_sleep+0xe3/0x160
[<ffffffff819f2b10>] __rt_spin_lock+0x20/0x50
[<ffffffff819f2de0>] rt_read_lock+0x30/0x40
[<ffffffff819f2dfe>] rt_read_lock_irqsave+0xe/0x20
[<ffffffff81183cf7>] find_and_get_object+0x27/0x140
[<ffffffff811844f1>] delete_object_full+0x11/0x30
[<ffffffff819e7f46>] kmemleak_free+0x26/0x50
[<ffffffff81174db8>] kfree+0x118/0x200
[<ffffffff8101ea9d>] ? intel_pmu_cpu_dying+0x6d/0x70
[<ffffffff8101ea9d>] intel_pmu_cpu_dying+0x6d/0x70
[<ffffffff81017a62>] x86_pmu_notifier+0x92/0x100
[<ffffffff810775cd>] notifier_call_chain+0x4d/0x70
[<ffffffff8107769e>] __raw_notifier_call_chain+0xe/0x10
[<ffffffff8104d373>] cpu_notify+0x23/0x50
[<ffffffff819e6a57>] take_cpu_down+0x27/0x40
[<ffffffff810db769>] multi_cpu_stop+0xb9/0xe0
[<ffffffff810db6b0>] ? wait_for_stop_done+0xb0/0xb0
[<ffffffff810dbba2>] cpu_stopper_thread+0xc2/0x160
[<ffffffff819f0706>] ? preempt_schedule+0x36/0x50
[<ffffffff8100d246>] ? ___preempt_schedule+0x56/0xb0
[<ffffffff81081cfd>] ? get_parent_ip+0xd/0x50
[<ffffffff819f279d>] ? _raw_spin_lock_irqsave+0x1d/0x70
[<ffffffff8107a11d>] smpboot_thread_fn+0x18d/0x2d0
[<ffffffff819f0320>] ? schedule+0x30/0xa0
[<ffffffff81079f90>] ? SyS_setgroups+0x180/0x180
[<ffffffff810725cd>] kthread+0xcd/0xf0
[<ffffffff81072500>] ? flush_kthread_worker+0x90/0x90
[<ffffffff819f3c2c>] ret_from_fork+0x7c/0xb0
[<ffffffff81072500>] ? flush_kthread_worker+0x90/0x90
kvm: disabling virtualization on CPU1
smpboot: CPU 1 is now offline
[ 1330.591411] BUG: sleeping function called from invalid context at /intel-x86-64/bitbake_build/tmp/work/intel_x86_64-wrs-linux/linux-windriver/3.14-r0/linux/kernel/locking/rtmutex.c:905
[ 1330.591413] in_atomic(): 1, irqs_disabled(): 1, pid: 18, name: migration/1
[ 1330.591425] Preemption disabled at:[<ffffffff8107a11d>] smpboot_thread_fn+0x18d/0x2d0
[ 1330.591431] CPU: 1 PID: 18 Comm: migration/1 Not tainted 3.14.22-rt9-WR7.0.0.0_preempt-rt #2
[ 1330.591434] Hardware name: Intel Corporation SandyBridge Platform/To be filled by O.E.M., BIOS CCFRCLC0.019.1308201516 08/20/2013
[ 1330.591439] ffff880134600000 ffff8801345efbf0 ffffffff819ec0c5 0000000000000000
[ 1330.591442] ffff8801345efc08 ffffffff8107ed73 ffffffff81e07f80 ffff8801345efc20
[ 1330.591446] ffffffff819f2b10 ffffffff81e07f80 ffff8801345efc38 ffffffff819f2de0
[ 1330.591447] Call Trace:
[ 1330.591453] [<ffffffff819ec0c5>] dump_stack+0x4e/0x7a
[ 1330.591459] [<ffffffff8107ed73>] __might_sleep+0xe3/0x160
[ 1330.591465] [<ffffffff819f2b10>] __rt_spin_lock+0x20/0x50
[ 1330.591469] [<ffffffff819f2de0>] rt_read_lock+0x30/0x40
[ 1330.591474] [<ffffffff819f2dfe>] rt_read_lock_irqsave+0xe/0x20
[ 1330.591479] [<ffffffff81183cf7>] find_and_get_object+0x27/0x140
[ 1330.591483] [<ffffffff811844f1>] delete_object_full+0x11/0x30
[ 1330.591490] [<ffffffff819e7f46>] kmemleak_free+0x26/0x50
[ 1330.591494] [<ffffffff81174db8>] kfree+0x118/0x200
[ 1330.591499] [<ffffffff8101ea9d>] ? intel_pmu_cpu_dying+0x6d/0x70
[ 1330.591503] [<ffffffff8101ea9d>] intel_pmu_cpu_dying+0x6d/0x70
[ 1330.591508] [<ffffffff81017a62>] x86_pmu_notifier+0x92/0x100
[ 1330.591512] [<ffffffff810775cd>] notifier_call_chain+0x4d/0x70
[ 1330.59151kvm: disabling virtualization on CPU2
smpboot: CPU 2 is now offline
5] [<ffffffff8107769e>] __raw_notifier_call_chain+0xe/0x10
[ 1330.591521] [<ffffffff8104d373>] cpu_notify+0x23/0x50
[ 1330.591525] [<ffffffff819e6a57>] take_cpu_down+0x27/0x40
[ 1330.591531] [<ffffffff810db769>] multi_cpu_stop+0xb9/0xe0
[ 1330.591535] [<ffffffff810db6b0>] ? wait_for_stop_done+0xb0/0xb0
[ 1330.591539] [<ffffffff810dbba2>] cpu_stopper_thread+0xc2/0x160
[ 1330.591543] [<ffffffff819f0706>] ? preempt_schedule+0x36/0x50
[ 1330.591549] [<ffffffff8100d246>] ? ___preempt_schedule+0x56/0xb0
[ 1330.591555] [<ffffffff81081cfd>] ? get_parent_ip+0xd/0x50
[ 1330.591559] [<ffffffff819f279d>] ? _raw_spin_lock_irqsave+0x1d/0x70
[ 1330.591564] [<ffffffff8107a11d>] smpboot_thread_fn+0x18d/0x2d0
[ 1330.591568] [<ffffffff819f0320>] ? schedule+0x30/0xa0
[ 1330.591572] [<ffffffff81079f90>] ? SyS_setgroups+0x180/0x180
[ 1330.591577] [<ffffffff810725cd>] kthread+0xcd/0xf0
[ 1330.591582] [<ffffffff81072500>] ? flush_kthread_worker+0x90/0x90
[ 1330.591587] [<ffffffff819f3c2c>] ret_from_fork+0x7c/0xb0
[ 1330.591592] [<ffffffff81072500>] ? flush_kthread_worker+0x90/0x90
[ 1330.591620] kvm: disabling virtualization on CPU1
[ 1330.591706] smpboot: CPU 1 is now offline
enable kmemleak,
Project Configure Line:
# Generated by wrlinux configure at Wed Oct 29 15:46:33 CST 2014
/wrlinux-7/wrlinux/configure --enable-board=intel-x86-64 --enable-kernel=preempt-rt --enable-rootfs=glibc-std-sato --enable-test=yes --enable-parallel-pkgbuilds=30 --enable-jobs=30 --with-layer=/wrlinux-new/wr-testing/bts-dev,wr-dpdk --with-template=feature/bts,feature/target-toolchain --enable-reconfig=yes --with-rcpl-version=0
Kernel Boot Parameter:
root@intel_shumway-3:/opt/wr-test/testcases/bts/cpu_hotplug_offline# cat /proc/cmdline
console=ttyS0,115200 root=/dev/nfs nfsroot=128.224.165.20:/export/pxeboot/vlm-boards/22026/rootfs rw ip=dhcp pnpacpi=off iommu=on
echo 0 > /sys/devices/system/cpu/cpu1/online
