[Pkg-libburnia-devel] Bug#617409: brasero: Brasero corrupts all blank CD-R when burning (was: additional info)

Thomas Schmitt scdbackup at gmx.net
Thu Jul 26 17:38:59 UTC 2012


> I applied the patch that prematurely cuts the connection between
> libisofs and growisofs.

That would be for the DVD+R DL problem in
(The report says "(4,7 and 8,5 GB)" but the log is for DVD+R DL
 which is peculiar around 50 % of write size.)

> This happens when you try to burn both CDs and DVDs in on-the-fly mode
> in Brasero.

I only saw this in Brasero logs about DVD+R DL, up to now.

Do you have log files about single layer DVD and CD ?

Debian Bug#617409 is about a different problem:
The burn run looks normal, but the medium is in bad shape afterwards.
(I still bet on burners balancing on the edge of failure.)
Launchpad bug 780117 has some me-too comments which look similar.

> Just for some context: In Brasero, this bug only occurs when performing
> 'on-the-fly' mode.

That would support the theory that it is indeed a problem in Brasero
and not with the medium.
As it happens with CD media, it would also not be specific to growisofs.

I understand it is somehow specific to the use of libisofs.
But i can assure that libisofs would not simply end image production at
50 % without issueing some error message. It got stopped from outside.
(There is a mechanism for that.)

> Thanks for your help.  I think there are quite a few people interested
> in seeing this bug fixed.

I did not yet examine the Brasero code which coordinates image production
and burn run. Actually i feel neither apt nor in charge for that.
Brasero needs an active developer.

Shall Ubuntu, Debian, and libburnia step up and ask whether Brasero is dead ?
We all have interest to see it living. But it smells suspiciously.

Have a nice day :)


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