From: Mikael Pettersson <mikpe@csd.uu.se>
To: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Roger Leigh <rleigh@whinlatter.ukfsn.org>,
Linux Kernel ML <linux-kernel@vger.kernel.org>,
debian-powerpc@lists.debian.org
Subject: Re: 2.6.16-rc2 powerpc timestamp skew
Date: Wed, 15 Feb 2006 12:53:12 +0100 [thread overview]
Message-ID: <17395.5672.693046.262274@alkaid.it.uu.se> (raw)
In-Reply-To: <17394.48045.253033.885865@cargo.ozlabs.ibm.com>
Paul Mackerras writes:
> Benjamin Herrenschmidt writes:
>
> > Ok, does not using NTP fixes it ?
>
> Try this patch. With this the values from gettimeofday() or the VDSO
> should stay exactly in sync with xtime even if NTP is adjusting the
> clock.
>
> This patch still has quite a few debugging printks in it, so it's not
> final by any means. I'll be interested to hear how it goes, and in
> particular whether or not you see any "oops, time got ahead" messages.
This patch fixed the clock skew issues (warnings from 'make' while
building new kernels) my G4 eMac has been having since about 2.6.15.
User-space is YDL4.0 and ntpd is used to maintain a correct clock.
/Mikael
next prev parent reply other threads:[~2006-02-15 12:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-12 17:13 Roger Leigh
2006-02-12 17:39 ` Gabriel Paubert
2006-02-12 17:58 ` Roger Leigh
2006-02-12 20:15 ` Bin Zhang
2006-02-12 19:55 ` Olaf Hering
2006-02-13 10:57 ` Olaf Hering
2006-02-13 12:51 ` Olaf Hering
2006-02-12 21:33 ` Benjamin Herrenschmidt
2006-02-13 18:34 ` Roger Leigh
2006-02-13 22:34 ` Benjamin Herrenschmidt
2006-02-15 5:27 ` Paul Mackerras
2006-02-15 10:30 ` Olaf Hering
2006-02-15 11:53 ` Mikael Pettersson [this message]
2006-02-16 11:30 ` Roger Leigh
2006-02-13 0:13 ` Andrew Morton
2006-02-13 0:41 ` Roger Leigh
2006-02-13 4:00 ` [PATCH] powerpc: dont allow old RTC to be selected Anton Blanchard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=17395.5672.693046.262274@alkaid.it.uu.se \
--to=mikpe@csd.uu.se \
--cc=benh@kernel.crashing.org \
--cc=debian-powerpc@lists.debian.org \
--cc=linux-kernel@vger.kernel.org \
--cc=paulus@samba.org \
--cc=rleigh@whinlatter.ukfsn.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®