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Subject[Fwd: Re: Waking up Non-acpi (and non-apm) compliant IDE devices]
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-----Forwarded Message-----

> From: Derek James Witt <djw@flinthills.com>
> To: Derek James Witt <djw@flinthills.com>
> Subject: Re: Waking up Non-acpi (and non-apm) compliant IDE devices
> Date: 04 Mar 2002 16:02:58 -0600
>
> Ok, I found out that my drive is picky about which connector plug on the
> cable it is using. In this case, it is now using the middle connector. I
> can suspend and resume without disconnecting that drive. But at any
> rate, I would like to know if resetting the IDE controller is feasible
> (or is driverfs planning to do this anyway)?
>
>
> On Mon, 2002-03-04 at 12:52, Derek James Witt wrote:
> > Hey all. I just thought of something for this. I have an older Western
> > Caviar 36400 hard drive that disconnects once the computer goes to
> > sleep. Currently, I disallow sleep mode for that very reason. But
> > anyway, I'm curious if it's safe to do a reset of the IDE controller.
> > In my case, the drive is currently on primary slave. I moved it from
> > secondary master.
> >
> > Right now, I fear if I hard-reset the IDE controller (a Via 686
> > UDMA100), I might also disconnect the primary master (Quantum fireball
> > 6.4SE). That will render my box useless until I hit the the reset
> > button. But, if I do a soft-reset, the caviar may not wake up. I know
> > the quantum will wake up fine upon a soft-reset and upon resume of the
> > system. I'm going to try putting in interrupt 15 (secondary IDE) as a
> > primary power event in my bios and see if that can wake up the drive.
> >
> >
> > Oh, if you're curious, here is my fstab:
> >
> > # /etc/fstab: static file system information.
> > #
> > # <file system> <mount point> <type> <options> <dump> <pass>
> > /dev/hda6 / xfs defaults 1 1
> > /dev/hda5 /boot xfs defaults 1 1
> > /dev/hda7 /home xfs defaults 1 1
> > /dev/hdb3 /usr xfs defaults 1 1
> > /dev/hda9 /usr/local xfs defaults 1 1
> >
> > /dev/hda8 none swap sw 0 0
> > /dev/hdb2 none swap sw 0 0
> >
> > proc /proc proc defaults 0 0
> >
> > /dev/fd0 /floppy auto defaults,user,noauto 0 0
> >
> > /dev/sr0 /cdrom auto defaults,ro,user,noauto 0 0
> > /dev/sr1 /cdrw auto defaults,ro,user,noauto 0 0
> >
> > tmpfs /dev/shm tmpfs defaults 0 0
> >
> > /dev/hda1 /win2k ntfs defaults,ro,user,uid=cappicard 0 0
> > /dev/hdb1 /win2k-driveE ntfs defaults,ro,user,uid=cappicard 0 0
> >
> > As you probably see, if my caviar (hdb) disconnects, I'm pretty-much SOL
> > if I try to run X or any programs from /usr/*. And I have to resort to
> > SysRq to reboot the box (I hate finding a pen to hit the reset button).
> >
> > I'll let you know what I find out.
> >
> > --
> > ** Derek J Witt **
> > * Email: mailto:djw@flinthills.com *
> > * Home Page: http://www.flinthills.com/~djw/ *
> > *** "...and on the eighth day, God met Bill Gates." - Unknown **
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
> --
> ** Derek J Witt **
> * Email: mailto:djw@flinthills.com *
> * Home Page: http://www.flinthills.com/~djw/ *
> *** "...and on the eighth day, God met Bill Gates." - Unknown **
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