apt-get wonder.....

[Bill Vance]

On Mon, 29 Sep 2014, Scott DuBois wrote:

> 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


Been there, done all that, worked in the past, but not anymore.

I've even spent most of yesterday and today, seeing if I could
get something working by way of building mplayer from source.
Amazing how you can forget something like going way above and
beyond fighting the battle of searching for, and building the
seventh dependency of the seventh dependency of the seventh
dependency.....

It didn't work either.

Bill