The bug appears to be a crash when unloading the vdpau library, either
via a dl_close() or dl_fini() call. It also affects any application
using the vdpau library, such as mplayer and mythfrontend.
A backtrace from mythfrontend follows:
mythfrontend crash details:
*** Error in `/usr/bin/mythfrontend.real': free(): invalid pointer:
0x7ffe734bc623 ***
Program received signal SIGABRT, Aborted.
0x73352bb9 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 0x73352bb9 in __GI_raise (sig=sig@entry=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x73355fc8 in __GI_abort () at abort.c:89
#2 0x7338fe14 in __libc_message (do_abort=do_abort@entry=1,
fmt=fmt@entry=0x7349e668 "*** Error in `%s': %s: 0x%s ***\n")
at ../sysdeps/posix/libc_fatal.c:175
#3 0x7339c0ee in malloc_printerr (ptr=,
str=0x7349a759 "free(): invalid pointer", action=1) at malloc.c:4996
#4 _int_free (av=, p=, have_lock=0) at
malloc.c:3840
#5 0x7ffe73460fb2 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#6 0x7ffe73433f3c in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#7 0x77dea758 in _dl_fini () at dl-fini.c:257
#8 0x73358149 in __run_exit_handlers (status=0, listp=0x736db6c8
<__exit_funcs>,
run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#9 0x73358195 in __GI_exit (status=) at exit.c:104
#10 0x7333decc in __libc_start_main (main=0x451ca4 ,
argc=1,
argv=0x7fffe238, init=, fini=,
rtld_fini=,
stack_end=0x7fffe228) at libc-start.c:321
#11 0x00448079 in _start ()
(gdb)
I have observed the same with mplayer. nvidia-settings crashes in a
call to dl_close().
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https://bugs.launchpad.net/bugs/1374965
Title:
nvidia-setting crashes on startup
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