Re: 2.6.14-rc4-rt7

[Rui Nuno Capela <rncbc@rncbc.org>]

Steven Rostedt 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 P4@2.53Ghz/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)
>>[...]
> Also, Rui, do they show up at different times or clustered together?
> (William, I see your output is clustered) The reason I asked, is that
> the test may produce more than one warning message for the same time
> warp. Since the time used to check for the time warp is not updated if
> time goes backwards, so if you call the this routine more than once
> before the time warp catches back up, it will warn again.

Don't really know if its consistent, but it does occur on several times, 
on only on boot.

Sorry for the delay.
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/