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

[Ken Dawson <dawsonwu@rahul.net>]

At the risk of repeating myself, if you wish to examine the running
kernel, you might benefit from Systemtap (http://sourceware.org/systemtap/).

/ken

On 08/19/2012 10:51 PM, Thomas Schmitt wrote:
> Hi,
> 
> Gary Dale wrote:
>>>    dd if=/dev/zero of=/dev/sr0 bs=2048 count=11826176
>> This also fails when booting from sysrecuecd with the same read-only error.
> 
> That kills my theory that there went something wrong in the
> operating system.
> 
> Now i am out of ideas, except diviing into kernel debugging in
> order to find out what behavior of the drive makes the systems
> believe that the medium is not writable. (Get kernel source,
> sprinkle kprintf() over the code parts which implement open(2),
> compile, rebooti, try dd, look for messages of you kprintf(),
> make theory, plant new kprintf(), ... and so on ...)
> 
> 
> Have a nice day :)
> 
> Thomas
> 
>