linux-kernel - non functional pata dvd drive under 2.6.25.6

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Date:	Mon, 23 Jun 2008 21:02:23 +0200
From:	Jeroen Beerstra <jb@...rpion77.cjb.net>
To:	linux-kernel@...r.kernel.org
Subject:  non functional pata dvd drive under 2.6.25.6

hi there,

I've filed this as a bug with redhat bugzilla (12-6), https://
bugzilla.redhat.com/show_bug.cgi?id=451081, but so far I've had no 
response at all ... so here we go ;)

Basicly my ide dvd writer is non functional with Fedora 9 (kernel 
2.6.25.6). So far I've seen it functional only once when I booted with 
media already inserted, but for the rest it's pretty much like this:

excerpt from dmesg

ata10.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata10.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
         cdb 1e 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
         res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
ata10.00: status: { DRDY }
ata10: soft resetting link
ata10: nv_mode_filter: 0x1&0x1f01f->0x1, BIOS=0x1f000 (0xc5000000) 
ACPI=0x1f01f (30:600:0x13)
ata10.00: configured for PIO0
ata10: EH complete
ata10.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata10.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
         cdb 1e 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
         res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
ata10.00: status: { DRDY }
ata10: soft resetting link
ata10: nv_mode_filter: 0x1&0x1f01f->0x1, BIOS=0x1f000 (0xc5000000) 
ACPI=0x1f01f (30:600:0x13)
ata10.00: configured for PIO0
ata10: EH complete
sr 10:0:0:0: ioctl_internal_command return code = 8000002
   : Sense Key : Aborted Command [current] [descriptor]
   : Add. Sense: No additional sense information
ata10.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata10.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
         cdb 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
         res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
ata10.00: status: { DRDY }
ata10: soft resetting link
ata10: nv_mode_filter: 0x1&0x1f01f->0x1, BIOS=0x1f000 (0xc5000000) 
ACPI=0x1f01f (30:600:0x13)
ata10.00: configured for PIO0
ata10: EH complete

cat /sys/bus/scsi/devices/10:0:0:0/model 
PATA 20X20X12X 

The drive is completely non functional.

System is a Nforce 780i SLI MB (Asus P5N-T Deluxe) with an Q9450 INtel 
Core2 Quad CPU and 4 GB of ram.

With Windows XP/Vista there are no problems with this drive and also I 
had no problems installing Fedora from this drive in the first place, so 
I doubt if it is a hardware problem. 

I can live with the fact that I only have one writer available but not 
with the fact that everything that tries to access the drive hangs with 
status D for a very long time, hald-addon-storage for one....

-- 
jb

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