Re: 2.6.31.4: WARNING: at arch/x86/kernel/hpet.c:390 hpet_next_event+0x70/0x80() [occurs when ACPI_PROCESSOR=y]

Justin Piszcz
2009-11-12T16:33:57Z

On Thu, 12 Nov 2009, Justin Piszcz wrote:

> On Wed, 11 Nov 2009, Justin Piszcz wrote:
>
>> Hi,

> Again, the problem:
> [ 3.318770] cpuidle: using governor ladder
> [ 3.321556] ------------[ cut here ]------------
> [ 3.321560] WARNING: at arch/x86/kernel/hpet.c:390
> hpet_next_event+0x70/0x80()
> [ 3.321561] Hardware name:
> [ 3.321562] Modules linked in:
> [ 3.321564] Pid: 0, comm: swapper Not tainted 2.6.31.5 #17
> [ 3.321565] Call Trace:
> [ 3.321567] [<ffffffff81042f00>] ? hpet_next_event+0x70/0x80
> [ 3.321568] [<ffffffff81042f00>] ? hpet_next_event+0x70/0x80
> [ 3.321571] [<ffffffff81056724>] ? warn_slowpath_common+0x74/0xd0
> [ 3.321573] [<ffffffff81042f00>] ? hpet_next_event+0x70/0x80
> [ 3.321576] [<ffffffff81077696>] ? tick_dev_program_event+0x36/0xb0
> [ 3.321578] [<ffffffff81077079>] ?
> tick_broadcast_oneshot_control+0x119/0x120
> [ 3.321579] [<ffffffff8107683d>] ? tick_notify+0x22d/0x420
> [ 3.321581] [<ffffffff8106fe37>] ? notifier_call_chain+0x37/0x70
> [ 3.321583] [<ffffffff8107612b>] ? clockevents_notify+0x2b/0x90
> [ 3.321586] [<ffffffff81244848>] ? acpi_idle_enter_bm+0x15f/0x2d3
> [ 3.321587] [<ffffffff812446de>] ? acpi_idle_enter_c1+0xf1/0xfc
> [ 3.321590] [<ffffffff812e6d7a>] ? cpuidle_idle_call+0xba/0x120
> [ 3.321593] [<ffffffff8102b832>] ? cpu_idle+0x62/0xc0
> [ 3.321596] ---[ end trace cac202f11005305c ]---
> [ 3.553852] cpuidle: using governor menu

Other user with this problem:
http://lkml.org/lkml/2009/10/2/330 - Nobody responded to his report.

This has been also been reported on other forums with no fix / conclusion on
any type of fix or work-around.

Justin.