Comment 6 for bug 549841

Same problem with 2.6.32-20 :

[ 1.977377] ------------[ cut here ]------------
[ 1.977382] WARNING: at /build/buildd/linux-2.6.32/arch/x86/kernel/hpet.c:392 hpet_next_event+0x7a/0x90()
[ 1.977384] Hardware name: PowerEdge R310
[ 1.977385] Modules linked in:
[ 1.977388] Pid: 0, comm: swapper Not tainted 2.6.32-20-server #30-Ubuntu
[ 1.977389] Call Trace:
[ 1.977394] [<ffffffff81066d1b>] warn_slowpath_common+0x7b/0xc0
[ 1.977396] [<ffffffff81066d74>] warn_slowpath_null+0x14/0x20
[ 1.977398] [<ffffffff810375ca>] hpet_next_event+0x7a/0x90
[ 1.977400] [<ffffffff81037610>] hpet_legacy_next_event+0x10/0x20
[ 1.977404] [<ffffffff81092a94>] clockevents_program_event+0x54/0xa0
[ 1.977407] [<ffffffff81093fe8>] tick_dev_program_event+0x68/0xd0
[ 1.977409] [<ffffffff8109391e>] tick_broadcast_oneshot_control+0x11e/0x120
[ 1.977412] [<ffffffff81093130>] tick_notify+0x130/0x200
[ 1.977415] [<ffffffff8155a456>] notifier_call_chain+0x56/0x80
[ 1.977419] [<ffffffff81089fd6>] raw_notifier_call_chain+0x16/0x20
[ 1.977421] [<ffffffff810928b7>] clockevents_notify+0x37/0x160
[ 1.977425] [<ffffffff8130c571>] lapic_timer_state_broadcast+0x46/0x48
[ 1.977427] [<ffffffff8130cae0>] acpi_idle_enter_bm+0x187/0x2be
[ 1.977429] [<ffffffff8155a416>] ? notifier_call_chain+0x16/0x80
[ 1.977433] [<ffffffff81449417>] cpuidle_idle_call+0xa7/0x140
[ 1.977436] [<ffffffff81011e63>] cpu_idle+0xb3/0x110
[ 1.977439] [<ffffffff8154f750>] start_secondary+0xa8/0xaa
[ 1.977441] ---[ end trace fd4f4aa244a253e5 ]---