8ed3699682
On Mon, 2008-02-11 at 15:09 +0300, Denis V. Lunev wrote: > BUG: sleeping function called from invalid context > at /home/den/src/linux-netns26/kernel/mutex.c:209 > in_atomic():1, irqs_disabled():0 > no locks held by swapper/0. > Pid: 0, comm: swapper Not tainted 2.6.24 #304 > > Call Trace: > <IRQ> [<ffffffff80252d1e>] ? __debug_show_held_locks+0x15/0x27 > [<ffffffff8022c2a8>] __might_sleep+0xc0/0xdf > [<ffffffff8049f1df>] mutex_lock_nested+0x28/0x2a9 > [<ffffffff80231294>] sched_destroy_group+0x18/0xea > [<ffffffff8023e835>] sched_destroy_user+0xd/0xf > [<ffffffff8023e8c1>] free_uid+0x8a/0xab > [<ffffffff80233e24>] __put_task_struct+0x3f/0xd3 > [<ffffffff80236708>] delayed_put_task_struct+0x23/0x25 > [<ffffffff8026fda7>] __rcu_process_callbacks+0x8d/0x215 > [<ffffffff8026ff52>] rcu_process_callbacks+0x23/0x44 > [<ffffffff8023a2ae>] __do_softirq+0x79/0xf8 > [<ffffffff8020f8c3>] ? profile_pc+0x2a/0x67 > [<ffffffff8020d38c>] call_softirq+0x1c/0x30 > [<ffffffff8020f689>] do_softirq+0x61/0x9c > [<ffffffff8023a233>] irq_exit+0x51/0x53 > [<ffffffff8021bd1a>] smp_apic_timer_interrupt+0x77/0xad > [<ffffffff8020ce3b>] apic_timer_interrupt+0x6b/0x70 > <EOI> [<ffffffff8020b0dd>] ? default_idle+0x43/0x76 > [<ffffffff8020b0db>] ? default_idle+0x41/0x76 > [<ffffffff8020b09a>] ? default_idle+0x0/0x76 > [<ffffffff8020b186>] ? cpu_idle+0x76/0x98 separate the tg->shares protection from the task_group lock. Reported-by: Denis V. Lunev <den@openvz.org> Tested-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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.. | ||
irq | ||
power | ||
time | ||
.gitignore | ||
acct.c | ||
audit.c | ||
audit.h | ||
audit_tree.c | ||
auditfilter.c | ||
auditsc.c | ||
backtracetest.c | ||
capability.c | ||
cgroup.c | ||
cgroup_debug.c | ||
compat.c | ||
configs.c | ||
cpu.c | ||
cpuset.c | ||
delayacct.c | ||
dma.c | ||
exec_domain.c | ||
exit.c | ||
extable.c | ||
fork.c | ||
futex.c | ||
futex_compat.c | ||
hrtimer.c | ||
itimer.c | ||
kallsyms.c | ||
Kconfig.hz | ||
Kconfig.preempt | ||
kexec.c | ||
kfifo.c | ||
kmod.c | ||
kprobes.c | ||
ksysfs.c | ||
kthread.c | ||
latencytop.c | ||
lockdep.c | ||
lockdep_internals.h | ||
lockdep_proc.c | ||
Makefile | ||
marker.c | ||
module.c | ||
mutex-debug.c | ||
mutex-debug.h | ||
mutex.c | ||
mutex.h | ||
notifier.c | ||
ns_cgroup.c | ||
nsproxy.c | ||
panic.c | ||
params.c | ||
pid.c | ||
pid_namespace.c | ||
pm_qos_params.c | ||
posix-cpu-timers.c | ||
posix-timers.c | ||
printk.c | ||
profile.c | ||
ptrace.c | ||
rcuclassic.c | ||
rcupdate.c | ||
rcupreempt.c | ||
rcupreempt_trace.c | ||
rcutorture.c | ||
relay.c | ||
res_counter.c | ||
resource.c | ||
rtmutex-debug.c | ||
rtmutex-debug.h | ||
rtmutex-tester.c | ||
rtmutex.c | ||
rtmutex.h | ||
rtmutex_common.h | ||
rwsem.c | ||
sched.c | ||
sched_debug.c | ||
sched_fair.c | ||
sched_idletask.c | ||
sched_rt.c | ||
sched_stats.h | ||
seccomp.c | ||
signal.c | ||
softirq.c | ||
softlockup.c | ||
spinlock.c | ||
srcu.c | ||
stacktrace.c | ||
stop_machine.c | ||
sys.c | ||
sys_ni.c | ||
sysctl.c | ||
sysctl_check.c | ||
taskstats.c | ||
test_kprobes.c | ||
time.c | ||
timeconst.pl | ||
timer.c | ||
tsacct.c | ||
uid16.c | ||
user.c | ||
user_namespace.c | ||
utsname.c | ||
utsname_sysctl.c | ||
wait.c | ||
workqueue.c |