DVDRAM issues

[ml at bortal.de]

Hello Amit,

Amit Kucheria schrieb:
> Hi Mario,
>
> On 11/13/07, ml at bortal.de <ml at bortal.de> wrote:
>   
>> Hello List,
>>
>> i am not sure if this is a Kernel issue, but we are having massive
>> problems with writing to DVDRAM. Our DVD-Drive even becomes unuseable or
>> disapears after a reboot.
>> In fact, we have already used 2 diffrent DVD-Writer (both LG GSA-4166B)
>> and a few DVD-RAM Disks.
>>
>> Let?s start what we have so far:
>> - Ubuntu 6.06 LTS
>> - DVD-Device: LG GSA-4166B Build Oct2005
>> - DVD-Media: DVD-RAM from Verbatim, 3x certified, 4,7GB
>> - Kernel 2.6.23.1 build with:
>>     
>
> You are using a untested kernel on your LTS release. Unfortunately, we
> can't support that.
>   
Okay. Sure! Here we go with the ubuntu Kernel:

root at ubuntu:~# uname -r
2.6.15-29-server

I have tested two diffrent DVD-RAM media.

dmesg:
-----------------------THIS IS DVD RAM 
No1----------------------------------------------------------------------------------
[42949778.160000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42949778.160000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42949778.160000] ide: failed opcode was: unknown
[42949778.160000] end_request: I/O error, dev hdc, sector 1248
[42949780.820000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/13 11:12 (103c)
[42950006.210000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42950006.210000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42950006.210000] ide: failed opcode was: unknown
[42950006.210000] end_request: I/O error, dev hdc, sector 1248
[42950011.120000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/13 11:12 (103c)
[42950026.180000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42950026.180000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42950026.180000] ide: failed opcode was: unknown
[42950026.180000] end_request: I/O error, dev hdc, sector 1248
[42950030.610000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/13 11:12 (103c)
[42950063.660000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42950063.660000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42950063.660000] ide: failed opcode was: unknown
[42950063.660000] end_request: I/O error, dev hdc, sector 1248
... and so on.



dmesg:
-----------------------THIS IS DVD RAM 
No2----------------------------------------------------------------------------------
[42952400.190000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/14 14:42 (103c)
[42952520.960000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/14 14:42 (103c)
[42952553.180000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42952553.180000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42952553.180000] ide: failed opcode was: unknown
[42952553.180000] end_request: I/O error, dev hdc, sector 1248
[42952553.310000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/14 14:42 (103c)
[42952566.950000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42952566.950000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42952566.950000] ide: failed opcode was: unknown
[42952566.950000] end_request: I/O error, dev hdc, sector 1248
[42952567.080000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/14 14:42 (103c)
[42952586.880000] hdc: command error: status=0x51 { DriveReady 
SeekComplete Error }
[42952586.880000] hdc: command error: error=0x50 { LastFailedSense=0x05 }
[42952586.880000] ide: failed opcode was: unknown
[42952586.880000] end_request: I/O error, dev hdc, sector 1248
[42952587.010000] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 
'LinuxUDF', timestamp 2007/11/14 14:42 (103c)
... and so on.


What else do you need to know?

Thanks, Mario