Le 21/03/2016 15:11, Tim a écrit : > Allegedly, on or about 18 March 2016, François Patte sent: >> I am facing a strange problem with xfce configuration: when I put a >> commercial video dvd in the drive: no icon appears on the desktop. and >> there are error messages in /var/log/messages, like: >> >> blk_update_request: I/O error, dev, sr0 sector 9137664 >> >> buffer I/O error on dev sr0, logical block 1142208 async page read >> >> But, I can play the video with vlc without any problem.... >> >> If I mount this dvd (say: mount /dev/sr0 /media), no problem, no error >> reported.... >> >> When I umount the dvd (umount /media), an icon appears on the desktop >> and immediately disappears..... >> >> This problem does not occur with dvd I recorded myself, nor with any >> other removable media (usb sticks or drives). > > An educated guess: This would be an encrypted, deliberately-faulted > (some discs have deliberate errors that confuse the hell out of > computers, but standalone DVD players will simply bypass), or some other > kind of copyguarded DVD, some of which are a major pain to do anything > with on a Windows OS PC. Even my old dreaded Windows installation would > refuse to even load some DVDs to look at the files in the file browser, > never mind trying to play them. Your VLC installation *may* have > support for handling such DVDs in a different manner. > > Of course, it could just be a bad disc (you don't mention whether it's > just one problem disc), or it may need cleaning, or your drive may need > cleaning. This problem occurs with 2 machines (laptop) on which I installed fedora 23. Problem does not occur on a third computer running fedora 21. On one of the laptops where previously installed a debian, and no problem occured. It is not a vlc problem; vlc mounts and reads these dvd without any problem, I think that it is an xfce problem, but on my fedora 21 I have the same version of xfce as on laptops with fedora 23. -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)1 8394 5849 http://www.math-info.univ-paris5.fr/~patte
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