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Message-ID: <20101026112052.GA1672@arch.trippelsdorf.de>
Date: Tue, 26 Oct 2010 13:20:52 +0200
From: Markus Trippelsdorf <markus@...ppelsdorf.de>
To: linux-kernel@...r.kernel.org
Cc: borislav.petkov@....com, hpa@...ux.intel.com
Subject: Clocksource tsc unstable (delta = -8589361717 ns) in current git
On my AMD system the following kernel messages are sometimes printed
after several hours of uptime:
Clocksource tsc unstable (delta = -8589361717 ns)
Switching to clocksource hpet
This happened several times already:
# grep "Clocksource" kernel.*
kernel.log:Oct 24 18:31:17 arch kernel: Clocksource tsc unstable (delta = -8591703466 ns)
kernel.log:Oct 26 12:54:38 arch kernel: Clocksource tsc unstable (delta = -8589361717 ns)
kernel.log.1:Oct 22 21:43:51 arch kernel: Clocksource tsc unstable (delta = -25772316650 ns)
The computer is nearly unusable afterwards (second long delays, that
seem to grow larger and larger) and only a prompt reboot can fix the
problem.
I'm running the latest git kernel. Version 2.6.36 does not show these
symptoms.
Dmesg and kernel config are attached.
--
Markus
View attachment "dmesg" of type "text/plain" (27436 bytes)
View attachment "config" of type "text/plain" (46611 bytes)
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