Re: libata /dev/scd0 problem: mount after burn fails without eject

Tejun Heo
2007-05-04T08:42:01Z

Frank van Maarseveen wrote:
> On Fri, May 04, 2007 at 10:16:32AM +0200, Tejun Heo wrote:
>> Michal Piotrowski wrote:
>>> On 01/05/07, Mark Lord <lkml@rtr.ca> wrote:
>>>> Forwarding to linux-scsi and linux-ide mailing lists.
>>>>
>>>> Frank van Maarseveen wrote:
>>>>> Tested on 2.6.20.6 and 2.6.21.1
>>>>>
>>>>> I decided to swich from the old IDE drivers to libata and now there
>>>>> seems to be a little but annoying problem: cannot mount an ISO image
>>>>> after burning it.
>>>>>
>>>>> May 1 14:32:55 kernel: attempt to access beyond end of device
>>>>> May 1 14:32:55 kernel: sr0: rw=0, want=68, limit=4
>>>>> May 1 14:32:55 kernel: isofs_fill_super: bread failed, dev=sr0,
>>>> iso_blknum=16, block=16
>>>>> an "eject" command seems to fix the state of the PATA DVD writer
>>>>> or driver. The problem occurs for burning a CD and for DVD too with
>>>>> identical error messages.
>> Right after burning, if you run 'fuser -v /dev/sr0', what does it say?
>
> Tried the fuser as root to be sure but it didn't show anything.

I guess sr is forgetting to set media changed flag somewhere. Don't
really know where tho. CC'd Bartlomiej, linux-scsi and linux-ide. Any
ideas?

--
tejun