From owner-freebsd-current  Tue Dec  7  5: 7: 0 1999
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Date: Tue, 07 Dec 1999 13:11:11 +0000
From: Alex <ak@freenet.co.uk>
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To: Nick Hibma <n_hibma@webweaving.org>
Cc: David O'Brien <obrien@freebsd.org>, sos@freebsd.org,
	freebsd-current@freebsd.org
Subject: Re: ATA driver as the default
References: <Pine.BSF.4.20.9912061739180.2742-100000@henny.jrc.it>
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Nick Hibma wrote:
> 
> The other one is my laptop, and that one seems to be a lot faster and
> the system load is down (PIIX4 chipset). Except that it always gives me
> a timeout at boot.
>
> acd0: <UJDA110/1.06> CDROM drive at ata1 as master
> acd0: read 2416KB/s (2416KB/s), 128KB buffer, PIO
> acd0: supported read types: CD-DA
> acd0: Audio: play, 16 volume levels
> acd0: Mechanism: ejectable tray
> acd0: Medium: no/blank disc inside, unlocked
> pccard: card inserted, slot 0
> ata_command: timeout waiting for interrupt


Same here (similar hardware):

acd0: <UJDA150/1.02> CDROM drive at ata1 as master
acd0: read 4134KB/s (4134KB/s), 128KB buffer, PIO
acd0: supported read types: CD-R, CD-RW, CD-DA
acd0: Audio: play, 256 volume levels
acd0: Mechanism: ejectable tray
acd0: Medium: CD-ROM 120mm photo disc loaded, unlocked
ata_command: timeout waiting for interrupt

The command it's failing on is 0xa1 (ATA_C_ATAPI_IDENTIFY).   Perhaps
the driver should keep a list of misbehaving devices and not try to
identify them?

Alex


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