From: Pavel Machek <pavel@ucw.cz>
To: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, linux-kernel@vger.kernel.org
Subject: Re: APM crashes when IO is going on
Date: Tue, 25 Mar 2008 09:49:24 +0100 [thread overview]
Message-ID: <20080325084923.GB4547@ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.64.0803212216540.16100@artax.karlin.mff.cuni.cz>
Hi!
> > > Either the on-going I/O will jam BIOS and I need to remove power to
> > > continue.
> > >
> > > Or the machine suspends, wakes up and reports "hda: lost interrupt"
> > > (2.6.23.1 was able to recover from this condition, 2.6.25rc3,6 does not
> > > recover and it is not able to send any more disk IOs).
> > >
> > > How is suspending disk IO supposed to work?
Suspending IO is not supposed to be needed in APM case, try ACPI.
(We could work around this.. You should be able to reuse
kernel/power/main.c to stop all user processes, then stop the
drivers...)
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-03-25 14:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-19 15:15 APM lockups since 2.6.25 Mikulas Patocka
2008-03-20 10:31 ` Rafael J. Wysocki
2008-03-21 0:00 ` Mikulas Patocka
2008-03-21 0:27 ` Rafael J. Wysocki
2008-03-21 20:01 ` APM crashes when IO is going on Mikulas Patocka
2008-03-21 21:15 ` Rafael J. Wysocki
2008-03-21 21:17 ` Mikulas Patocka
2008-03-21 21:45 ` Rafael J. Wysocki
2008-03-21 22:49 ` Mikulas Patocka
2008-03-21 22:51 ` Rafael J. Wysocki
2008-03-22 0:29 ` Mikulas Patocka
2008-03-25 8:49 ` Pavel Machek [this message]
2008-03-25 8:46 ` Pavel Machek
2008-04-16 20:42 ` APM lockups since 2.6.25 Mikulas Patocka
2008-04-16 20:45 ` Mikulas Patocka
2008-04-17 0:14 ` Rafael J. Wysocki
2008-04-22 13:00 ` 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=20080325084923.GB4547@ucw.cz \
--to=pavel@ucw.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=mikulas@artax.karlin.mff.cuni.cz \
--cc=rjw@sisk.pl \
/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®