apt-get wonder.....

[Scott DuBois]

On 09/28/2014 02:23 AM, Bill Vance wrote:
> 
> 
> On Sat, 27 Sep 2014, José Queiroz wrote:
> 
>>
>>
>> 2014-09-27 16:36 GMT-03:00 Bill Vance <kbun at xpresso.seaslug.org>:
>>
>>
>>       On Sat, 27 Sep 2014, Scott DuBois wrote:
>>
>>             On 09/26/2014 09:58 PM, Bill Vance wrote:
>>
>>                   Howdy;
>>
>>                   I recently did an apt-get
>>                   update/upgrade, and
>>                   have since noted a few oddities:
>>
>>                   1.  I can no longer watch movies on
>>                   my DVD drive.
>>
>>                   I traced that down to the
>>                   designation of the drive I
>>                   use from, being changed from sr0 to
>>                   sr1.  After
>>                   changing a few settings to suit, I
>>                   hit the, "play",
>>                   button and get to watch vlc
>>                   completely vanish.
>>                   nothing in the log file, but this
>>                   in /var/log/syslog:
>>
>>
>>                   Sep 26 21:39:47 xpresso kernel:
>>                   [50705.834624]
>>                   vlc[20612]: segfault at 0 ip
>>                   b5386d84 sp b04c65f0
>>                   error 4 in
>>                   libdvdnav.so.4.2.0[b537d000+18000]
>>
>>
>>                   Is this something fixable, or
>>                   something the programmer
>>                   is going to have to do?
>>
>>                   Bill
>>
>>
>>             Hmm, how annoying! :-S
>>
>>             After reading your post, I opened VLC, inserted
>>             a disk and got the same
>>             "cannot open sr0 error" so I selected sr1 from
>>             the dropdown under Media
>>             -> Open Disc way at the bottom. It's working
>>             here.
>>
>>             Have you tried going through the motions under
>>             a "default" user profile
>>             to see if it's a user setting? Sometimes our
>>             _personal_ settings can get
>>             in the way of functionality.
>>
>>
>>       Apparently the whole libdvd suite is acting hoaky.  I
>>       logged onto
>>       a shell as a different user, and tried vlc from the command
>>       line,
>>       and got:
>>
>>
>>       libdvdnav: Using dvdnav version 4.2.0
>>       libdvdread: Using libdvdcss version 1.2.13 for DVD access
>>       libdvdread: Could not open /dev/sr1 with libdvdcss.
>>       libdvdread: Can't open /dev/sr1 for reading
>>       libdvdnav: vm: failed to open/read the DVD
>>       libdvdread: Using libdvdcss version 1.2.13 for DVD access
>>       libdvdread: Could not open /dev/sr1 with libdvdcss.
>>       libdvdread: Can't open /dev/sr1 for reading
>>       [0x8f52a88] dvdread demux error: DVDRead cannot open
>>       source: /dev/sr1
>>       [0xb3c067f0] main input error: open of `dvd:///dev/sr1'
>>       failed
>>
>>
>>       Checking /etc/mtab, things seem ok near as I can tell.
>>
>>       /dev/sr1 /media/IRON_MAN_3 udf
>>       ro,nosuid,nodev,uid=1000,gid=1000,
>>       iocharset=utf8,umask=0077,dmode=0500,uhelper=udisks 0 0
>>
>>       Could be some corrupted dataset the libdvd suite looks at,
>>       but
>>       it really looks more like the suite.
>>
>>       Bill
>>
>>
>> Double check that your user belongs to the same group that owns
>> "/dev/sr1".
> 
> 
> Good point, when I adjusted that in kuser->Groups, I got
> a whole new set of error messages in the shell.  One thing
> that is as yet unidentified, is failing to create a file:
> 
> libdvdnav: Unable to find map file
> '/home/kbun/.dvdnav/IRON_MAN_3.map'
> 
> Apparently, thats supposed to be there before the libdvd
> suite starts up.  I suspect thats in the media automounting
> stuff somewhere.  Then we get a couple hundred of these:
> 
> *** libdvdread: CHECK_VALUE failed in
> /build/buildd/libdvdread-4.2.0/src/ifo_read.c:1670 ***
> *** for c_adt->cell_adr_table[i].start_sector <
> c_adt->cell_adr_table[i].last_sector ***
> 
> followed finally with:
> 
> Segmentation fault (core dumped)
> 
> This is beginning to look weird.
> 
> Bill
> 
> 

You already tried going back and reading all this?

https://help.ubuntu.com/community/RestrictedFormats/PlayingDVDs

You might also find this thread of interest:

http://ubuntuforums.org/showthread.php?t=1970362

-- 
Scott DuBois
President EBLUG
BSIT Software Engineering
Freenode: Roguehorse