Hi,
Does anyone know something about this issue?
Setting APIC routing to flat
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: Intel(R) Xeon(R) CPU X5450 @ 3.00GHz stepping 0a
lockdep: fixing up alternatives.
===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
kernel/sched.c:616 invoked rcu_dereference_check() without protection!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 0
3 locks held by swapper/1:
#0: (cpu_add_remove_lock){+.+.+.}, at: [<ffffffff81052b87>] cpu_maps_update_begin+0x17/0x19
#1: (cpu_hotplug.lock){+.+.+.}, at: [<ffffffff81052a9a>] cpu_hotplug_begin+0x2c/0x53
#2: (&rq->lock){-.-...}, at: [<ffffffff81495b4c>] init_idle+0x30/0x131
stack backtrace:
Pid: 1, comm: swapper Not tainted 2.6.35.4-12.fc14.x86_64 #1
Call Trace:
[<ffffffff8107bd3a>] lockdep_rcu_dereference+0xaa/0xb3
[<ffffffff8103fdc5>] task_group+0x80/0x8f
[<ffffffff8103fdeb>] set_task_rq+0x17/0x73
[<ffffffff81495c06>] init_idle+0xea/0x131
[<ffffffff81495fd6>] fork_idle+0x92/0xa3
[<ffffffff8107e820>] ? mark_held_locks+0x50/0x72
[<ffffffff81493a77>] do_fork_idle+0x1c/0x2d
[<ffffffff81493bbf>] do_boot_cpu+0x137/0x9b1
[<ffffffff81493a5b>] ? do_fork_idle+0x0/0x2d
[<ffffffff81494c5d>] native_cpu_up+0x100/0x1c2
[<ffffffff814960af>] _cpu_up+0x9d/0xf9
[<ffffffff814961de>] cpu_up+0xd3/0xe5
[<ffffffff81d78d86>] kernel_init+0x105/0x2c9
[<ffffffff8100aae4>] kernel_thread_helper+0x4/0x10
[<ffffffff8149d390>] ? restore_args+0x0/0x30
[<ffffffff81d78c81>] ? kernel_init+0x0/0x2c9
[<ffffffff8100aae0>] ? kernel_thread_helper+0x0/0x10
Booting Node 0, Processors #1
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#2
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#3
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#4
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#5
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#6
mce: CPU supports 0 MCE banks
lockdep: fixing up alternatives.
#7 Ok.
mce: CPU supports 0 MCE banks
Skipped synchronization checks as TSC is reliable.
Brought up 8 CPUs
Total of 8 processors activated (47880.46 BogoMIPS).
x86 PAT enabled: cpu 6, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 4, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 2, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 1, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 7, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 3, old 0x0, new 0x7010600070106
x86 PAT enabled: cpu 5, old 0x0, new 0x7010600070106
Best regards,
Morten
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