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Date:      Wed, 23 Jun 1999 10:21:21 +0200 (CEST)
From:      Soren Schmidt <sos@freebsd.dk>
To:        dwhite@resnet.uoregon.edu (Doug White)
Cc:        carey@roguewave.com, freebsd-questions@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject:   Re: CDROM drive doesn't probe if no CD present [Was:cannot mount  cd indicates bad ide cd drive - replace?]
Message-ID:  <199906230821.KAA61801@freebsd.dk>
In-Reply-To: <Pine.BSF.4.10.9906221243070.99084-100000@resnet.uoregon.edu> from Doug White at "Jun 22, 1999 12:45:26 pm"

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It seems Doug White wrote:
> I'm lofting this up on -hackers to get the attention of the ATAPI CD
> driver programmer -- Soren, you still around?  Take a look at this.

I'm here alright :)
Sounds like the drive has a firmwarebug, If you are running -current
try the ata driver instead, and let me know how that turns out...

-Søren

> On Tue, 22 Jun 1999, Woody Carey wrote:
> 
> > Ok, here is some more information:
> > 
> > Here is the behavior when there is no cd in the drive at bootup [reboot,
> > actually]
> > ^M^[[Kmyname# mount /cdrom
> > cd9660: Input/output error
> > myname# dmesg
> 
> [...]
> 
> > wdc0: unit 1 (atapi): <ATAPI CDROM/V2.10>, removable, accel, dma, iordy
> > acd0: drive speed 0 - 4125KB/sec, 128KB cache
> > acd0: supported read types: CD-R, CD-RW, CD-DA
> > acd0: Audio: play, 255 volume levels
> > acd0: Mechanism: ejectable tray
> > acd0: Medium: no/blank disc inside, unlocked         
> 
> > and here is the dmesg output and mount output with a cd in the drive at
> > boot:
> > 
> > myname# dmesg
> [...]
> > wdc0: unit 1 (atapi): <ATAPI CDROM/V2.10>, removable, accel, dma, iordy
> > acd0: drive speed 4125KB/sec, 128KB cache
> > acd0: supported read types: CD-R, CD-RW, CD-DA
> > acd0: Audio: play, 255 volume levels
> > acd0: Mechanism: ejectable tray
> > acd0: Medium: CD-ROM 120mm data disc loaded, unlocked
> 
> > myname# mount /cdrom     
> > 
> > There was some success message on the console after this mount
> > indicating success.
> > It did not appear in this script output, obviously.  
> 
> Bizarre.  That may be a driver bug or your drive is getting into an
> inconsistent state if it doesn't boot with a CD present.
> 
> What brand/model of CD drive is it?
> 
> Doug White                               
> Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
> http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org
> 
> 
> 
> 
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