Re: System clock speed too high - 2.6.3 kernel

George Anzinger
2004-03-26T21:46:41Z

Praedor Atrebates wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> In doing a web search on system clock speeds being too high, I found entries
> describing exactly what I am experiencing in the linux-kernel list archives,
> but have not yet found a resolution.
>
> I have Mandrake 10.0, kernel-2.6.3-7mdk installed, on an IBM Thinkpad 1412
> laptop, celeron 366, 512MB RAM. I am finding that my system clock is ticking
> away at a rate of about 3:1 vs reality, ie, I count ~3 seconds on the system
> clock for every 1 real second. I am running ntpd but this is unable to keep
> up with the rate of system clock passage.
>
> I had to slow my keyboard repeat rate _way_ down in order to be able to type
> at all as well. The system is limited, in that I have no way to alter the
> actual system clock (in bios at any rate). The CPU is properly identified as
> a celeron 366.
>
> Does anyone have any enlightenment, or a fix, to offer? The exact same
> software setup on a desktop system, Athlon XP2700+, has no such problems.

Try this in the boot command line "clock=pmtmr". If that fails, then try
"clock=pit".

-g
>
> praedor
> - --
> "George W. Bush is a deserter, an election thief, a drunk driver, a WMD
> liar and a functional illiterate. And he poops his pants."
> - --Barbara Bush, his mother
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.4 (GNU/Linux)
>
> iD8DBQFAZITKSTapoRk9vv8RAkxyAJ45KBKN7ngdNX6qTOwSBIxEs7rfcACgl8e0
> 0lKo+bfaSHPcNpA+36WGCrE=
> =ZdjK
> -----END PGP SIGNATURE-----
> -
> 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/
>

--
George Anzinger george@mvista.com
High-res-timers: http://sourceforge.net/projects/high-res-timers/
Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml