On Wed, 2005-10-26 at 15:07 -0700, William Weston wrote:
> On Wed, 26 Oct 2005, Rui Nuno Capela wrote:
>
> > Just noticed a couple or more of this on dmesg. Maybe its old news and
> > being discussed already. Otherwise my [email protected]/UP laptop boots and
> > runs without hicups on 2.6.14-rc5-rt7 (config.gz attached).
> >
> > ... time warped from 13551912584 to 13551905960.
> > ... system time: 13488892865 .. 13488892865.
> > udevstart/1579[CPU#0]: BUG in get_monotonic_clock_ts at
> > kernel/time/timeofday.c:
> > 262
> > [<c0116fcb>] __WARN_ON+0x4f/0x6c (8)
> > [<c012f8b0>] get_monotonic_clock_ts+0x27a/0x2f0 (40)
> > [<c0141c9d>] kmem_cache_alloc+0x51/0xac (76)
> > [<c0114826>] copy_process+0x2ff/0xeed (44)
> > [<c0139444>] unlock_page+0x17/0x4a (12)
> > [<c0147a8a>] do_wp_page+0x245/0x372 (20)
> > [<c01154f5>] do_fork+0x69/0x1b5 (56)
> > [<c02c120b>] do_page_fault+0x432/0x543 (32)
> > [<c01017aa>] sys_clone+0x32/0x36 (72)
> > [<c0102a9b>] sysenter_past_esp+0x54/0x75 (16)
>
> I'm getting these with two different machines running 2.6.14-rc5-rt7 with
> Steven's ktimer_interrupt() patch from yesterday. Did not see these with
> previous -rt kernels. Shutting down NTP makes no difference.
>
> This is from the athlon-xp/via-kt400 box (xeon smt box looks similar):
I'm grabbing rt7 to try to reproduce this. Not yet sure what the cause
could be. From Rui's dmesg the tsc clocksource was being used, I assume
this is the case with you as well, William?
thanks
-john
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