Re: [Bulk] Re: BD-RE - can't create UDF on new disc

On 19/08/12 09:02 AM, Thomas Schmitt wrote:
> Hi,
>
> Mike Scheutzow wrote:
>> do you think that this user
>> could be having the well-known "udev polls the dvd" problem?
>> That can cause a block device to appear to be read-only.
> Well if it does cause such effects then it is surely worth a
> try to disable it.
>
> udev and hald are the natural enemies of burn programs.
> We compete for the same hardware and the OS normally does not
> care about arbitrating.
> Nevertheless, i would have expected that the block device
> driver gets more respect by udev.
>
>
>> Here's one hit from google
>> (different symptom, but solution would be the same):
>> http://unix.stackexchange.com/questions/1399/dvd-drive-constanly-spins-up-down-when-idle
> It advises to try:
>    udisks --inhibit-polling /dev/dvd
> or
>    udisks --inhibit-polling /dev/sr0
>
> Do you have more information about udev causing read-only optical
> media ?
>
>
> Have a nice day :)
>
> Thomas

Tried that. With no media in the drive, I started udisks then inserted a 
blank disk and tried to mkudffs on it (in a different root terminal). It 
failed with the same read-only error.