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Massive clock drift on Cobalt Raq2 after upgrade to 2.6.18-1-r5k-cobalt

To: linux-mips@linux-mips.org
Subject: Massive clock drift on Cobalt Raq2 after upgrade to 2.6.18-1-r5k-cobalt
From: Dominique Quatravaux <dom@kilimandjaro.dyndns.org>
Date: Tue, 24 Oct 2006 12:36:29 +0200
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Dear MIPS hackers,

The subject line pretty much says it all: between yesterday morning and
both my system clock and my uptime increased by about 2 days while only
10 hours actually elapsed... I was previously using kernel
2.4.27-r5k-cobalt (also from Debian) and the clock worked fine.

Maybe this is related to the following:

kilimandjaro:~# zgrep CONFIG_HZ= /proc/config.gz
CONFIG_HZ=250
kilimandjaro:~# grep periodic_freq /proc/driver/rtc
periodic_freq   : 1024

which from my ignorant POV would mean that the clock runs about 5 times
too fast?

How do I go about correcting the problem? I upgraded the kernel without
powering off, should I power-cycle now?

Many thanks in advance from a few days in the future :-)

-- 
<< Tout n'y est pas parfait, mais on y honore certainement les jardiniers >>

                        Dominique Quatravaux <dom@kilimandjaro.dyndns.org>



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