From: Mikael Pettersson <mikpe@csd.uu.se>
To: linux-kernel@vger.kernel.org
Cc: pavel@ucw.cz
Subject: 2.6.10-rc1 broke apmd
Date: Mon, 29 Nov 2004 12:38:11 +0100 (MET) [thread overview]
Message-ID: <200411291138.iATBcBiR007342@harpo.it.uu.se> (raw)
Starting with 2.6.10-rc1, date and time on my old APM-based
laptop is messed up after a resume. Specifically, Emacs and
xclock both make a huge forward leap and then stop updating
their current time displays.
The cause is the "jiffies += sleep_length * HZ;" addition
to arch/i386/kernel/time.c:time_resume() which is in conflict
with the hwlock --hctosys that the APM daemon normally does
at resume.
Preventing apmd from updating the system time does eliminate
the problems I described, but this requires kernel-version
dependent settings in user-space, which is ugly and fragile.
Just FYI. I don't have a nice solution yet.
/Mikael
next reply other threads:[~2004-11-29 11:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-29 11:38 Mikael Pettersson [this message]
2004-11-29 12:53 ` Pavel Machek
2004-11-29 13:59 ` Mikael Pettersson
2004-11-29 20:40 ` Pavel Machek
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