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Bug#498863: More info on firewire issues



Regarding the firewire-connected CDROM: perhaps this is just a general 
firewire problem.

On an already-installed-and-operational Lenny system, when I insert a CD and 
then connect the drive I see this in dmesg repeated 10 times at 27 second 
intervals:
[ 2864.550279] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK 
driverbyte=DRIVER_SENSE,SUGGEST_OK
[ 2864.550279] sr 2:0:0:0: [sr0] Sense Key : Medium Error [current]
[ 2864.550279] sr 2:0:0:0: [sr0] Add. Sense: No seek complete
[ 2864.550279] end_request: I/O error, dev sr0, sector 283936
[ 2864.550279] Buffer I/O error on device sr0, logical block 70984
and the CD never becomes mountable ("mount: special device /dev/scd0 does not 
exist").

However, if I connect the drive and _then_ insert the CD it works okay.  I 
need to test this more to make sure the pattern holds but with this knowledge 
I tried another install from the firewire-connected CDROM.  This time after 
cdrom-detect failed I disconnected the drive, reconnected without the media, 
inserted the CD, retried cdrom-detect and the install proceeded, though very 
very slowly.  Each access to the CD seemed to cause a series of errors and 
delays like the above.

(grub-install also failed the first time with the "Error 6: Mismatched or 
corrupt version of stage1/stage2" I've seen on other machines, though it 
doesn't always happen on this one.)

The attached install3.tgz is the logs from a minimal _etch_ install where 
cdrom-detect has no trouble.  install4.tgz is from this 
painful-but-finally-successful lenny install.

Attachment: install4.tgz
Description: application/tgz

Attachment: install3.tgz
Description: application/tgz


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