Re: [2.6.15-rc7-rt1] check_monotonic_clock: monotonic inconsistency detected!

On Sat, 2005-12-31 at 16:00 +0100, Mike Galbraith wrote:
> Greetings,
>
> After running just fine for most of the day, my PIII/500 coughed up
> attached fur-ball as I tried to start my ancient (au) sound
> server. Subsequent repeated starting and stopping of same did not induce a
> repeat (but then all zillion sound modules were loaded). If any other info
> is needed, just holler.

[inlining the attachment]

check_monotonic_clock: monotonic inconsistency detected!
from 191c7872fef6 (27610070580982) to 191c7872dd13 (27610070572307).
softirq-hrtimer/8[CPU#0]: BUG in check_monotonic_clock at kernel/time/timeofday.c:160
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c013c8d2>] check_monotonic_clock+0xe2/0x100 (52)
[<c013cd85>] get_monotonic_clock+0xe5/0x120 (80)
[<c0135b16>] hrtimer_forward+0x36/0xf0 (80)
[<c0120cbb>] it_real_fn+0x6b/0x80 (28)
[<c0136345>] run_hrtimer_softirq+0x65/0x150 (52)
[<c0122826>] ksoftirqd+0x116/0x1c0 (60)
[<c01325b9>] kthread+0xa9/0xf0 (52)
[<c0101245>] kernel_thread_helper+0x5/0x10 (671293468)
------------------------------
| showing all locks held by: | (softirq-hrtimer/8 [d7fcabb0, 98]):
------------------------------

[end inline]

This looks like it probably has nothing to do with your module. The
monotonic clock went backwards. Also, it will only print once per boot,
even if the event happens again.

Is your system SMP? Could you also send your config. And John will
probably want to see your dmesg output.

-- Steve


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