From: Alex Davis <alex14641@yahoo.com>
To: miquels@cistron.nl
Cc: linux-kernel@vger.kernel.org
Subject: Re: Possible bug and question about ide_notify_reboot in 2.4.19
Date: Sat, 14 Sep 2002 11:28:04 -0700 (PDT) [thread overview]
Message-ID: <20020914182804.28287.qmail@web40506.mail.yahoo.com> (raw)
>Putting the drive in stand-by mode has the side effect of flushing
>the cache.
Maxtor's tech support says this is NOT true.
>So before poweroff, send the FLUSH CACHE command,
>then send the standby command, hope that one of them works ..
Problem is we're currently flushing the cache AFTER we do
standby...
>I put put-the-drive-in-standby-mode stuff in halt.c of sysvinit
>after several reports of fs corruption at poweroff and it seems
>to have fixed the problems for the people who reported them.
That code is only executed if the '-h' option is passed to halt:
Some distros (namely Slackware 7.x) pass the '-p' option instead
(look in /etc/rc.d/rc.0).
Ok how about this: I'm current testing some patches against
ide.c and friends. Why don't I just add ( and document ) a
define called NO_STANDBY_ON_SHUTDOWN which would live in
ide.c. By default it would not be defined. Then I just wrap
the standby code in an '#ifndef NO_STANDBY_ON_SHUTDOWN..#endif'
block.
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next reply other threads:[~2002-09-14 18:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-14 18:28 Alex Davis [this message]
2002-09-14 19:32 ` Alan Cox
2002-09-14 19:52 ` Alex Davis
2002-09-14 21:14 ` Andre Hedrick
2002-09-14 20:57 ` Andre Hedrick
2002-09-14 21:41 ` Alex Davis
2002-09-15 4:16 ` Andre Hedrick
2002-09-15 7:40 ` Alex Davis
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