Re: ide dvd burner detected as ide-tape

[Thomas Drillich <th@drillich.com>]

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Am Mittwoch, 8. Oktober 2008 schrieb Bartlomiej Zolnierkiewicz:
> [ added linux-ide@ to cc: ]
>
> On Saturday 04 October 2008, Thomas Drillich wrote:
> > Am Freitag, 3. Oktober 2008 schrieb Bartlomiej Zolnierkiewicz:
> > > On Wednesday 01 October 2008, Kay Sievers wrote:
> > > > On Wed, Oct 1, 2008 at 1:00 AM, Thomas Drillich <th@drillich.com> 
wrote:
> > > > > I found in the syslog:
> > > > > Sep 30 13:44:44 localhost kernel: ide-tape: hda <-> ht0:
> > > > > HH-@T)SPȴ/�����1*00 DRD)RAM
> > > > > GH22LP20P�{�����л�����HH-@T)SPȴ/�����1*00 rev 1*00
> > > > > Sep 30 13:44:44 localhost kernel: ide-tape: ht0: I/O error, pc =
> > > > > 1a, key =  5, asc = 64, ascq =  0
> > > > > Sep 30 13:44:44 localhost kernel: ide-tape: hda: invalid tape speed
> > > > > (assuming 650KB/sec)
> > > > > Sep 30 13:44:44 localhost kernel: ide-tape: hda: invalid max_speed
> > > > > (assuming 650KB/sec)
> > > > > Sep 30 13:44:44 localhost kernel: ide-tape: ht0: I/O error, pc =
> > > > > 1a, key =  5, asc = 64, ascq =  0
> > > > > Sep 30 13:47:17 localhost kernel: ide-tape: hda <-> ht0:
> > > > > HH-@T)SPȴ/�����1*00 DRD)RAM
> > > > > GH22LP20P�{�����������HH-@T)SPȴ/�����1*00 rev 1*00
> > > > > Sep 30 13:47:17 localhost kernel: ide-tape: ht0: I/O error, pc =
> > > > > 1a, key =  5, asc = 64, ascq =  0
> > > > > Sep 30 13:47:17 localhost kernel: ide-tape: hda: invalid tape speed
> > > > > (assuming 650KB/sec)
> > > > > Sep 30 13:47:17 localhost kernel: ide-tape: hda: invalid max_speed
> > > > > (assuming 650KB/sec)
> > > > > Sep 30 13:47:17 localhost kernel: ide-tape: ht0: I/O error, pc =
> > > > > 1a, key =  5, asc = 64, ascq =  0
> > > > > -- end snip
> > > > >
> > > > > but its a LG GH22LP20 DVD burner
> > > > >
> > > > > cat /sys/bus/ide/devices/0.0/model returns
> > > > >        HL)DP-ST@V@-RAI CH22HP20
> > > > >
> > > > > what can I do ?
> > > >
> > > > Bart, any idea what's going wrong here, or how to work around it?
> > >
> > > ide-tape driving DVD burner is a "CANNOT happen" case...
> > >
> > > Thomas, which kernel version is it?  Please post a full dmesg output.
> >
> > Seems that can happen Bart ;-)
> >
> > it's a 2.6.26.5 kernel running on debian/testing.
> >
> > I moved ide now to module
> >  alim15x3                7504  0 [permanent]
> >  ide_pci_generic         5252  0 [permanent]
> >  ide_core              140572  2 ide_pci_generic,alim15x3
> >
> > but it didn't changed anything .. as expected.
> >
> > >lspci
> >
> >  00:1f.0 IDE interface: ALi Corporation M5229 IDE (rev c7)
> >
> > I added /proc/config.gz to the dmesg output
>
> Linux version 2.6.26.5-3.00-st20g5 (root@mzpc) (gcc version 4.3.1 (Debian
> 4.3.1-9) ) #1 SMP PREEMPT Fri Oct 3 12:42:56 CEST 2008 ...
> ALI15X3: IDE controller (0x10b9:0x5229 rev 0xc7) at  PCI slot 0000:00:1f.0
> ACPI: PCI Interrupt 0000:00:1f.0[A] -> GSI 19 (level, low) -> IRQ 19
> ALI15X3: not 100% native mode: will probe irqs later
>     ide0: BM-DMA at 0x8880-0x8887
>     ide1: BM-DMA at 0x8888-0x888f
> Probing IDE interface ide0...
> ...
> hda: HL)DP-ST@V@-RAI CH22HP20, ATAPI TAPE drive
> ...
>
> so this is a probing time device type misdectection
> (yeah, the impossible has just happened ;).
>
> Does BIOS also detect this device as "HL)DP-ST@V@-RAI"?
yes
>
> Please send the output of "hdparm --Istdout /dev/hda" so we can check
> whether the problem is a bogus (corrupted?) identify data or some issue
> with the device type detection code...
I'm not able to run hdparam on /dev/hda, udev won't create the device file and
if I create the device file manually hdparam just stop working.

I'd attached cat /proc/ide/hda/identify (hda.identify.txt.gz).

>
> Could you also try 2.6.27-rc9?
no changes in that kernel version .. I attachted output of dmesg of that 
kernel version.

-- 
mit freundlichem Gruss -- regards

Thomas Drillich

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