tags 366092 +help
kthxbye
This one time, at band camp, Ted Percival said:
Stephen Gran wrote:
I compiled dvdbackup with -O0. No difference. I recompiled libdvdread3
with -O0, and the segfault that I could get here went away. Does a -O0
compiled libdvdread3 work for you?
Compiling
This one time, at band camp, Ted Percival said:
dvdbackup segfaults for all operations, at its simplest:
Can you please try with 0.1.1-5? I can provide a deb if you need it. I
just merged some changes to dvdbakup, and that would let me know where
the problem is pretty quickly.
Thanks,
--
Had to downgrade libdvdread3 from 0.9.6-1 to 0.9.4-5.1 (unstable -
testing) to resolve undefined symbol: UDFFindFile, but once that was
done dvdbackup 0.1.1-5 appears to work properly.
I did a bit more research into the problem and it looks like the stack
gets smashed by libdvdread3's
This one time, at band camp, Ted Percival said:
I did most of the debugging with dvdbackup and libdvdread3 compiled with
-O2, some with -O1, and -O0 was prohibitively slow so I couldn't debug
non-optimised code (perhaps this is something of a bug in dvdbackup?).
Curiouser and curiouser.
I
Compiling both libdvdread and dvdbackup with -O0 still leads to stack
corruption segfault for me.
using gcc version 4.0.4 20060422 (prerelease) (Debian 4.0.3-2)
The stack corruption seems to occur only during calls to
DVDFileStatVOBUDF() where menu=0. Occurs with title=2 with one disc and
Package: dvdbackup
Version: 0.1.1-6
Severity: important
*** Please type your report below this line ***
dvdbackup segfaults for all operations, at its simplest:
$ dvdbackup -v 10 -i /dev/dvd -I
(( snip lots of output ))
File sizes for Title set 23 i.e.VTS_23_X.XXX
IFO: 18432, MENU: 157696
BUP:
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