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Date:      Wed, 15 Nov 1995 00:52:22 -0800
From:      asami@cs.berkeley.edu (Satoshi Asami)
To:        joerg_wunsch@uriah.heep.sax.de
Cc:        current@freebsd.org
Subject:   Re: Panic while reading CDROM with latest -current
Message-ID:  <199511150852.AAA02753@silvia.HIP.Berkeley.EDU>
In-Reply-To: <199511150827.JAA05590@uriah.heep.sax.de> (message from J Wunsch on Wed, 15 Nov 1995 09:27:02 %2B0100 (MET))

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 * > instruction pointer   = 0x8:0x60125000
 *                               0xf0125000
 * 
 * ...i assume.

Sorry, typo (`6' is next to `f' on my Dvorak keyboard).

 * If i look at your configuration:
 * 
 * > 19: ncr0        at pci0:15 # int a irq 9
 * > 20: sd2 at SCSI bus 1:1:0 (ready)
 * > 21: sd3 at SCSI bus 1:2:0 (ready)
 * > 22: sd4 at SCSI bus 1:3:0 (ready)
 * > 23: sd5 at SCSI bus 1:4:0 (ready)
 * > 24: sd6 at SCSI bus 1:5:0 (ready)
 * > 25: cd0 at SCSI bus 1:6:0 (ready) (open)
 * 
 * there's some resemblance to their environment however: the CD is the
 * highest ID#, only the lower numbered devices are sd ones.  Dunno if
 * this is an incidence only.

That might be why it didn't happen (or at least I didn't notice -- the
last time I used the CDROM to read files (not play music) was last
Friday, I think) before when I had it on the Adaptec bus.  The CDROM
drive was on ID 6 where sd0 is ID 0 and sd1 is ID 8.

 * Somehow, BUFHASH() returns a bogus value (but is apparently believed
 * to always return valid pointers /* CANTHAPPEN */).

Hmm....

Satoshi



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