Can confirm it on Ubuntu 9.04 and firefox 3.0.11.
(3.0.11+build2+nobinonly-0ubuntu0.9.04.1).
The Segfaults happen quite randomly (can use fire fox for hours with no errors
and then it crashes multiple times within minutes). I see no pattern of when
and in what sites it crashes.
It also happens in safe mode, with no addons, plugins, etc enabled.
Unfortunately I cannot find any debug symbols for the packages, so i only have
the backtrace. I only have the last backtrace, but previous one i had when
running gdb were also on libmozjs.so.
Below is the information from the debugger. Please instruct me if I can
provide any further details.
(gdb) info stack
#0 0x0000006b in ?? ()
#1 0xb7cc01e9 in ?? () from /usr/lib/xulrunner-1.9.0.11/libmozjs.so
#2 0xb7caa091 in ?? () from /usr/lib/xulrunner-1.9.0.11/libmozjs.so
#3 0xb7c86708 in JS_GC () from /usr/lib/xulrunner-1.9.0.11/libmozjs.so
#4 0xb71c3864 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#5 0xb797c7ee in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#6 0xb797c92d in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#7 0xb757504e in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#8 0xb75754f6 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#9 0xb794b798 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#10 0xb794ba66 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#11 0xb749d96c in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#12 0xb7973922 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#13 0xb7973997 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#14 0xb797144c in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#15 0xb7941cd8 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#16 0xb78c4c28 in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#17 0xb77590ec in ?? () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#18 0xb71b841b in XRE_main () from /usr/lib/xulrunner-1.9.0.11/libxul.so
#19 0x080491ab in ?? ()
#20 0xb7d23775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#21 0x08048d11 in ?? ()
(gdb) info program
Using the running image of child Thread 0xb7d0b6d0 (LWP 12523).
Program stopped at 0x6b.
It stopped with signal SIGSEGV, Segmentation fault.
--
Firefox 3.0.1 segfaults in xulrunner/libmozjs.so
https://bugs.launchpad.net/bugs/263326
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