Re: Many bugs in latest version

[Maxim Levitsky <maximlevitsky gmail com>]

On Mon, 2009-10-05 at 01:27 +0200, Maxim Levitsky wrote: 
> On Sat, 2009-10-03 at 14:26 +0200, Philippe Rouquier wrote:
> > Le lundi 28 septembre 2009 à 23:32 +0200, Maxim Levitsky a écrit : 
> > > Hi, I did another round of testing.
> > > Burn settings are shown correctly now when adding 2nd session.
> > > 
> > > This time I have used libburn for all the work.
> > > To be sure, I removed wodim, cddao, dvd+rw-tools, and genisoimage.
> > > 
> > > Here are problems I found, mostly libburn/libiso bugs:
> > > 
> > > 1 - disk label (normal) is written in all caps. Joiliet label is written
> > > normally but can be truncated due to size limit. currently, latest -git
> > > of util-linux-ng will use normal label only if its first 16 chars are
> > > same as in joiliet label.
> > 
> > Yes, they stick closely to the standard specifications. Perhaps there
> > is an options to relax that ..
> 
> Yes, and the attached patch fixed that issue.
> 
> 
> > 
> > > 2 - next sessions use always the label from 1st session (normal label)
> > > thus now both joilet and normal label are same, but uppercase
> > > 
> > This is annoying, I'll have a look at it.
> 
> Fixed, thanks!
> 
> > > 
> > > 3 - writing CD-RW with simulation fails (drive doesn't want to close
> > > track or so, log (attached) brasero-session-1.log
> > > 
> > > 
> > Thanks I'll take a look.
> Now is disabled, not a big deal.
> 
> 
> > > 4 - audio recording fails (tried on two disks)
> > >    first track is written normally, then brasero begins to write 2nd
> > > one, and then fails (log brasero-session-2.log)
> > > This isn't devkit bug, I stopped it, (and removed its dbus startup
> > > file), to be sure.
> > > 
> > This one is really annoying. I can reproduce but not fix and I'm
> > starting to wonder if it is not in libbrasero burn itself. It only
> > happens with TAO not DAO and seems to be linked to the fact that after
> > writing the first track libburn asks the next writable sectors which
> > seems to return 1 (the beginning of the session) which has been
> > already written by the first track. But I may be wrong here.
> 
> I am sure I didn't use the simulation mode. However now works just fine.
> 
> Few minor nitpicks:
> * I am allowed to set disk label, but it has no place on audio disk
> (maybe cd-text?)
> 
> * I am allowed to 'leave disk open', however brasero (at least with
> libburnia backend), doesn't support importing audio sessions.
> 
> 
> > 
> > > 
> > > 5 - not sure if this is bug, but adding new session on DVD+RW, shows for
> > > some time that it is 'blanking' the disk, although no information is
> > > erased. Does it actually blank new area it will write, can you explain?
> > > 
> > > 
> > It's sort of a bug. It turns out that DVD+RW  need a small formatting
> > (which should concern only the sectors that are going to be written)
> > before writing. Since in libburn plugin we listen to the drive
> > actions, brasero reported blanking (which is an oversimplified way to
> > say it's formatting). Anyway, I've added some context and now brasero
> > should say 'start recording' which is far less confusing.
> Fixed as well, thanks!
> 
> 
> 
> 
> Well, here you see the results of my checklist:
> 
> 
> * CD-RW:blank disk 
>      - success
> 
> * CD-RW:write first session
>      - success
> 
> * CD-RW:write second session
>      - tested with different label
>      - success
>      
> * CD-RW:write third session (close the disk + simulation)
>      - for addition testing, unchecked all options in burn setting
> dialog
>      - success
> 
> * CD-RW:write 5 sound tracks
>      - did see a warning for disk blank (as expected) + warning about
> CDRW (nice)
>      - success
> 
> 
> 
> * DVD+RW:blank
>      - success (didn't see progress bar though)
> 
> * DVD+RW:write 1 session
>      - success
> 
> * DVD+RW:write 2 session
>      - tested with different label
>      - success
> 
> 
> Just couldn't find any problem.
> And this is using only the libburn and libisofs!

I addition to that, I have just added a session to DVD-R, and everything
went smooth.

> 
> (Except for the simulation issue, that will be sorted out...)
> 
> Note that now even blanking of DVD+RW work.
> (Of course the devkit system doesn't see the disk after the mount, but
> that is their bug...)
> 
> I attach an onliner path for brasero to relax the cd label rules, and an
> used rule I have made to see blank DVD+RWs.
> 
> 
> 
> Best regards,
> Thanks,
> Maxim Levitsky