From: Andrew Morton <akpm@osdl.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CONFIG_PM_TRACE corrupts RTC
Date: Mon, 26 Jun 2006 09:14:13 -0700 [thread overview]
Message-ID: <20060626091413.a15df2e0.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0606260851000.3747@g5.osdl.org>
On Mon, 26 Jun 2006 08:52:57 -0700 (PDT)
Linus Torvalds <torvalds@osdl.org> wrote:
> On Sun, 25 Jun 2006, Andrew Morton wrote:
> >
> > On a Sony Vaio, after a suspend-to-disk and a resume, `hwclock' says
> >
> > The Hardware Clock registers contain values that are either invalid
> > (e.g. 50th day of month) or beyond the range we can handle (e.g. Year
> > 2095).
> >
> > and after a reboot the machine takes a trip back to 1969. Setting
> > CONFIG_PM_TRACE=n prevents this.
>
> That's how it works. It's by design. The RTC is where the trace events are
> stored, since that's the only piece of hw that reliably survives a reboot.
Oh, I thought it found some spare space in there somehow.
Making it `default y' was a bit unfriendly. How's about `default n' and
`depends on EMBEDDED'?
next prev parent reply other threads:[~2006-06-26 16:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-26 6:23 Andrew Morton
2006-06-26 15:52 ` Linus Torvalds
2006-06-26 16:14 ` Andrew Morton [this message]
2006-06-26 16:30 ` Linus Torvalds
2006-06-27 22:48 ` Pavel Machek
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=20060626091413.a15df2e0.akpm@osdl.org \
--to=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@osdl.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®