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SubjectRe: 2.6.14-rc4-rt7
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


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