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DateWed, 02 Aug 2006 23:01:41 -0500
FromKyle Davenport <>
Subjectsystem freeze on cdrom failure
I posted on this before, and I'm confirming that the problem is still 
happening at 2.6.17.5.    Problem started with 2.6.15*.   Saw it again 
in 2.6.16.  If I reboot into 2.6.13, I still see some cdrom and/or scsi 
errors, but the system does not freeze.  This was from running grip on a 
music cd.  It also happens just reading most burned cd's or dvd's.  

Aug  1 23:23:00 quickest kernel: cdrom: dropping to single frame dma
Aug  1 23:23:02 quickest kernel: BUG: unable to handle kernel NULL 
pointer dereference at virtual address 0000000c
Problem drive is Toshiba DVD-ROM SD-M1401 (scsi).  I do not see any 
errors with the same media in a Yamaha CRW2100S (scsi burner).

Tyan Thunder K7X-Pro (S2469UNG)/ 2x2400 Athlon MP/ 1GB ram / 1TB disk / 
gcc 3.2

This is easily repeatable - please ask for more info!

Kyle
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