linux-kernel - Re: cd/dvd inaccessible in 2.6.24-rc2

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Date:	Thu, 21 Feb 2008 18:07:15 +0100
From:	Felix Homann <fexpop@...inehome.de>
To:	linux-kernel@...r.kernel.org
Subject: Re: cd/dvd inaccessible in 2.6.24-rc2

Hi,

as it seems (at least to me) the issue mentioned here:

	http://lkml.org/lkml/2007/11/9/290

still exists in 2.6.24.2.

Here's an excerpt of my syslog when starting k3b:

###################################

Feb 20 11:57:20 yerbouti kernel: ata2.00: exception Emask 0x0 SAct 0x0 
SErr 0x0 action 0x2 frozen
Feb 20 11:57:20 yerbouti kernel: ata2.00: cmd 
a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 8 in
Feb 20 11:57:20 yerbouti kernel:          cdb ac 00 00 00 00 00 00 00 
00 01 03 00 00 00 00 00
Feb 20 11:57:20 yerbouti kernel:          res 
40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
Feb 20 11:57:20 yerbouti kernel: ata2.00: status: { DRDY }
Feb 20 11:57:21 yerbouti kernel: ata2: soft resetting link
Feb 20 11:57:21 yerbouti kernel: ata2: SATA link up 1.5 Gbps (SStatus 
113 SControl 300)
Feb 20 11:57:51 yerbouti kernel: ata2.00: qc timeout (cmd 0xa1)
Feb 20 11:57:51 yerbouti kernel: ata2.00: failed to IDENTIFY (I/O error, 
err_mask=0x5)
Feb 20 11:57:51 yerbouti kernel: ata2.00: revalidation failed (errno=-5)
Feb 20 11:57:51 yerbouti kernel: ata2: failed to recover some devices, 
retrying in 5 secs
Feb 20 11:57:56 yerbouti kernel: ata2: hard resetting link
Feb 20 11:58:01 yerbouti kernel: ata2: port is slow to respond, please 
be patient (Status 0x80)
Feb 20 11:58:06 yerbouti kernel: ata2: COMRESET failed (errno=-16)
Feb 20 11:58:06 yerbouti kernel: ata2: hard resetting link
Feb 20 11:58:11 yerbouti kernel: ata2: port is slow to respond, please 
be patient (Status 0x80)
Feb 20 11:58:16 yerbouti kernel: ata2: COMRESET failed (errno=-16)
Feb 20 11:58:16 yerbouti kernel: ata2: hard resetting link
Feb 20 11:58:22 yerbouti kernel: ata2: port is slow to respond, please 
be patient (Status 0x80)
Feb 20 11:58:26 yerbouti ntpd[5117]: synchronized to 81.169.180.26, 
stratum 2
Feb 20 11:58:51 yerbouti kernel: ata2: COMRESET failed (errno=-16)
Feb 20 11:58:51 yerbouti kernel: ata2: limiting SATA link speed to 1.5 Gbps
Feb 20 11:58:51 yerbouti kernel: ata2: hard resetting link
Feb 20 11:58:56 yerbouti kernel: ata2: COMRESET failed (errno=-16)
Feb 20 11:58:56 yerbouti kernel: ata2: reset failed, giving up

###################################

k3b will freeze, the drive won't be recognized afterwards again. Even a 
reboot will hang until the machine is powered off once.

I've attached my kernel config and teh output of 'lcpci -vvvxxxx'

Kind regards,

Felix

View attachment "config-2.6.24.2" of type "text/plain" (79320 bytes)

View attachment "lspci.txt" of type "text/plain" (13658 bytes)