From: Andre Hedrick <andre@linuxdiskcert.org>
To: Pavel Machek <pavel@suse.cz>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
Jeff Garzik <jgarzik@mandrakesoft.com>,
Olivier Galibert <galibert@pobox.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch] My AMD IDE driver, v2.7
Date: Tue, 19 Mar 2002 14:33:27 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.10.10203191430520.525-100000@master.linux-ide.org> (raw)
In-Reply-To: <20020319212130.GG12260@atrey.karlin.mff.cuni.cz>
Pavel,
No, it is called being a "BAD HOST". Things were added before the
infrastructure was complete to support feature. Thus the feature is now a
BUG. Sorry but that is the simple true, one of the reasons why I asked
you to delay but it is not important now.
Regards,
Andre Hedrick
Linux Disk Certification Project Linux ATA Development
On Tue, 19 Mar 2002, Pavel Machek wrote:
> Hi!
>
> > > > commands. With the proper sequencing, you can even do power management
> > > > of the drives in userspace. You don't want to do system suspend/resume
> > > > that way, but you can certainly have a userspace policy daemon running,
> > > > that powers-down and powers-up the drives, etc.
> > >
> > > See noflushd, Hdparm is able to powersave disks well, already, and it
> > > was in 2.2.X, too.
> >
> > Not all of them safely, though. Many a drive will corrupt data if it
> > receives a command when not spinned up. You need to issue a wake command
> > first, which hdparm doesn't, it just leaves it to the kernel to issue a
> > read command or whatever to wake the drive ...
>
> Is this common disk bug, or are they permitted to behave like that?
>
> Pavel
> --
> Casualities in World Trade Center: ~3k dead inside the building,
> cryptography in U.S.A. and free speech in Czech Republic.
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next prev parent reply other threads:[~2002-03-19 22:34 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-11 15:13 [patch] My AMD IDE driver, v2.7 Vojtech Pavlik
2002-03-11 16:36 ` Martin Dalecki
2002-03-11 20:49 ` Rik van Riel
2002-03-11 22:45 ` Alan Cox
2002-03-11 22:39 ` Linus Torvalds
2002-03-11 22:45 ` Vojtech Pavlik
2002-03-11 22:53 ` Linus Torvalds
2002-03-12 0:14 ` Bill Davidsen
2002-03-12 0:34 ` Jeff Garzik
2002-03-12 0:58 ` Erik Andersen
2002-03-12 1:33 ` Jeff Garzik
2002-03-12 1:41 ` Linus Torvalds
2002-03-12 1:50 ` Jeff Garzik
2002-03-11 18:50 ` gmack
2002-03-12 2:19 ` Linus Torvalds
2002-03-12 2:34 ` Jeff Garzik
2002-03-12 11:21 ` Martin Dalecki
2002-03-12 2:54 ` J. Dow
2002-03-12 6:32 ` Vojtech Pavlik
2002-03-14 15:12 ` Pavel Machek
2002-03-13 18:42 ` Horst von Brand
2002-03-13 19:11 ` Andre Hedrick
2002-03-12 6:25 ` Vojtech Pavlik
2002-03-12 7:13 ` Erik Andersen
2002-03-12 16:40 ` Bill Davidsen
2002-03-12 0:51 ` Linus Torvalds
2002-03-12 1:41 ` Jeff Garzik
2002-03-12 1:44 ` Linus Torvalds
2002-03-12 2:22 ` Jeff Garzik
2002-03-12 2:33 ` Linus Torvalds
2002-03-12 2:37 ` Jeff Garzik
2002-03-12 3:34 ` Olivier Galibert
2002-03-12 4:13 ` Jeff Garzik
2002-03-14 14:13 ` Pavel Machek
2002-03-15 11:05 ` Jeff Garzik
2002-03-18 19:20 ` Pavel Machek
2002-03-19 9:29 ` Vojtech Pavlik
2002-03-19 21:21 ` Pavel Machek
2002-03-19 21:56 ` Vojtech Pavlik
2002-03-20 8:00 ` Daniela Engert
2002-03-20 18:11 ` Bill Davidsen
2002-03-20 18:46 ` Daniela Engert
2002-03-20 22:15 ` Pavel Machek
2002-03-20 23:09 ` Daniel Kobras
2002-03-19 22:33 ` Andre Hedrick [this message]
2002-03-20 0:25 ` Alan Cox
2002-03-15 14:45 ` Alan Cox
2002-03-12 11:23 ` Martin Dalecki
2002-03-12 2:50 ` J. Dow
2002-03-12 3:10 ` Jeff Garzik
2002-03-12 3:28 ` Linus Torvalds
2002-03-12 3:46 ` Jeff Garzik
2002-03-12 6:10 ` J. Dow
2002-03-12 3:58 ` Linus Torvalds
2002-03-12 4:26 ` Jeff Garzik
2002-03-12 4:40 ` Linus Torvalds
2002-03-12 6:26 ` J. Dow
2002-03-12 11:44 ` Martin Dalecki
2002-03-12 4:31 ` Linus Torvalds
2002-03-12 5:05 ` Jeff Garzik
2002-03-12 5:20 ` Linus Torvalds
2002-03-12 11:39 ` Martin Dalecki
2002-03-12 4:49 ` Erik Andersen
2002-03-12 5:08 ` Linus Torvalds
2002-03-12 11:36 ` Martin Dalecki
2002-03-12 6:05 ` J. Dow
2002-03-12 4:41 ` Erik Andersen
2002-03-12 4:48 ` Jeff Garzik
2002-03-12 6:30 ` J. Dow
2002-03-12 6:29 ` J. Dow
2002-03-12 16:36 ` Bill Davidsen
2002-03-12 2:57 ` Alan Cox
2002-03-12 2:49 ` Jeff Garzik
2002-03-12 11:17 ` Alan Cox
2002-03-13 8:14 ` ide filters / 'ide dump' / 'bio dump' bert hubert
2002-03-13 10:11 ` Jeff Garzik
2002-03-13 12:05 ` Malcolm Beattie
2002-03-13 17:17 ` Linus Torvalds
2002-03-12 11:10 ` [patch] My AMD IDE driver, v2.7 Martin Dalecki
2002-03-12 0:33 ` benh
2002-03-12 20:21 ` Gunther Mayer
2002-03-12 16:33 ` Bill Davidsen
2002-03-12 11:00 ` Martin Dalecki
2002-03-12 15:59 ` Vojtech Pavlik
2002-03-12 16:11 ` Martin Dalecki
2002-03-12 16:21 ` Vojtech Pavlik
2002-03-12 16:26 ` Martin Dalecki
2002-03-12 16:33 ` Vojtech Pavlik
2002-03-12 16:41 ` Martin Dalecki
2002-03-13 0:01 ` Russell King
2002-03-12 16:43 ` Martin Dalecki
2002-03-12 16:50 ` Vojtech Pavlik
2002-03-12 16:58 ` Martin Dalecki
2002-03-14 14:02 ` Pavel Machek
2002-03-15 11:13 ` Vojtech Pavlik
2002-03-18 19:21 ` Pavel Machek
2002-03-13 19:43 ` Bill Davidsen
2002-03-12 16:44 ` Sebastian Droege
2002-03-12 16:17 ` Martin Dalecki
2002-03-12 16:27 ` Vojtech Pavlik
2002-03-12 16:32 ` Martin Dalecki
2002-03-12 20:00 ` [patch] PIIX driver rewrite Vojtech Pavlik
2002-03-12 20:35 ` Sebastian Droege
2002-03-12 20:34 ` Vojtech Pavlik
2002-03-12 21:07 ` Sebastian Droege
2002-03-12 21:19 ` Vojtech Pavlik
2002-03-11 23:01 ` [patch] My AMD IDE driver, v2.7 Alan Cox
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