Re: DVD drive fails in 2.6.20.2

[Vlad Codrea <VladCodrea@mail.utexas.edu>]

Vlad Codrea wrote:
> Tejun Heo wrote:
>> Vlad Codrea wrote:
>>  
>>> ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
>>> ata2.00: (BMDMA stat 0x25)
>>> ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 
>>> 36 in
>>>         res 58/00:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM 
>>> violation)
>>> ata2: soft resetting port
>>> ata2: port is slow to respond, please be patient (Status 0xd8)
>>> ata2: port failed to respond (30 secs, Status 0xd8)
>>> ATA: abnormal status 0xD8 on port 0x177
>>> ATA: abnormal status 0xD8 on port 0x177
>>>     
>>
>> Okay, now that you're on libata driver, it's easier for me to debug.
>> Can you apply the attached patch over 2.6.20 and report what the kernel
>> says? (the patch will apply with some noise, it's okay)
>>   
>
>
> I've applied your patch and recompiled the kernel, but the new dmesg 
> (attached as dmesg_2.txt) doesn't seem to have changed much.

After doing a cold reboot without an inserted CD, it's now saying 
"ata2.00: (BMDMA stat 0x5)"  instead of "ata2.00: (BMDMA stat 0x25)" I'm 
not sure whether this is significant...

Vlad