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Date: Fri, 15 Oct 2004 08:10:32 GMT
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From: Claudio Destro <o1b6@tiscali.it>
Subject: Re: kern/72490: Panic mounting cdrom with RWCombo <SAMSUNG CDRW/DVD
	SM-308B/BS01>
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The following reply was made to PR kern/72490; it has been noted by GNATS.

From: Claudio Destro <o1b6@tiscali.it>
To: freebsd-gnats-submit@freebsd.org, o1b6@tiscali.it
Cc:  
Subject: Re: kern/72490: Panic mounting cdrom with RWCombo <SAMSUNG CDRW/DVD SM-308B/BS01>
Date: Fri, 15 Oct 2004 09:57:13 +0200

 Now the kernel does not panic, but "mount" does not return.
 That's the on-screen log with "boot_verbose=yes":
 
 $ mount /cdrom
 acd0: TIMEOUT - READ_BIG retrying (2 retries left)
 acd0: unknown transfer phase
 ata0: reiniting channel ..
 ata0: reset tp1 mask=03 ostat0=d0 ostat1=d0
 ad0: stat=0x50 err=0x01 lsb=0x00 msb=0x00
 acd0:  stat=0x00 err=0x01 lsb=0x14 msb=0xeb
 ata0: reset tp2 stat0=50 stat1=00 devices=0x9<ATAPI_SLAVE,ATA_MASTER>
 ata0: resetting done ..
 ata0: reiniting channel ..
 acd0: FAILURE - ATAPI_IDENTIFY timed out
 acd0: timeout sending command=a1
 acd0: error issueing ATAPI_IDENTIFY command
 ad0: timeout sending command=ec
 ad0: error issueing ATA_IDENTIFY command
 ad0: timeout sending command=ec
 ad0: error issueing ATA_IDENTIFY command
 ad0: WARNING - removed from configuration
 
 after the "ad0: WARNING - removed from configuration" message, I do not get 
 the shell prompt.
 However, pressing ^C seems to unblock "mount", but then I cannot eject the cd 
 (combo seems locked).
 Successive mounts blocks indefinitely.
 
 PS: I recompiled only the kernel with sources downloaded yesterday night 
 (CEST), and I think I do not need to recompile also the "world" (it tooks 4 
 hours...), correct? let me know otherwise.
 
 -- 
 Claudio Destro