Firefox 21.0 bus error and segfault
Naram Qashat
cyberbotx at cyberbotx.com
Mon May 20 04:05:02 UTC 2013
Hi all,
I had just recently built Firefox 21.0 (my port version is 21.0_1,1) and I have
been running into both bus errors and segfaults, depending on how I build
Firefox. I usually build my ports via portupgrade and use portconf for options.
With Firefox, I have GIO, LOGGING, and WEBRTC unset, and I have OPTIMIZED_CFLAGS
set. I am running 8.3-RELEASE-p4 on amd64.
When I build Firefox with just the above, I get a bus error with the following
backtrace in gdb:
Program received signal SIGBUS, Bus error.
[Switching to Thread 8013021c0 (LWP 100207 initial thread)]
0x0000000000419d55 in realloc ()
(gdb) bt
#0 0x0000000000419d55 in realloc ()
#1 0x0000000800fca61e in ?? () from /lib/libc.so.7
#2 0x0000000800fca9b1 in ?? () from /lib/libc.so.7
#3 0x0000000800fcb23c in setenv () from /lib/libc.so.7
#4 0x0000000000402510 in ?? ()
#5 0x0000000000402a9e in _start ()
I have also tried to build Firefox with DEBUG set and OPTIMIZED_CFLAGS unset.
When I do this, Firefox runs, but I then run into a segfault if I do enough back
and forth browsing in a single tab. Unfortunately I cannot reproduce this
reliably. I get the following inside of gdb:
Assertion failure: mDocument->IsXUL() || mDocument->GetReadyStateEnum() ==
nsIDocument::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() ==
nsIDocument::READYSTATE_UNINITIALIZED &&
NS_IsAboutBlank(mDocument->GetDocumentURI())) (Bad readystate), at
/usr/ports/www/firefox/work/mozilla-release/layout/base/nsDocumentViewer.cpp:1029
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 8013021c0 (LWP 101982 initial thread)]
0x00000008023dd14e in ?? () from /usr/local/lib/firefox/libxul.so
(gdb) bt
#0 0x00000008023dd14e in ?? () from /usr/local/lib/firefox/libxul.so
#1 0x0000000803643f88 in ?? () from /usr/local/lib/firefox/libxul.so
#2 0x00000008036435b0 in ?? () from /usr/local/lib/firefox/libxul.so
#3 0x00000008036774dd in ?? () from /usr/local/lib/firefox/libxul.so
#4 0x00000008036763a9 in ?? () from /usr/local/lib/firefox/libxul.so
#5 0x0000000803675f98 in ?? () from /usr/local/lib/firefox/libxul.so
#6 0x0000000803675a3f in ?? () from /usr/local/lib/firefox/libxul.so
#7 0x000000080205022d in ?? () from /usr/local/lib/firefox/libxul.so
#8 0x0000000802197668 in ?? () from /usr/local/lib/firefox/libxul.so
#9 0x0000000802041b54 in ?? () from /usr/local/lib/firefox/libxul.so
#10 0x00000008020412d8 in ?? () from /usr/local/lib/firefox/libxul.so
#11 0x00000008045cb4f7 in ?? () from /usr/local/lib/firefox/libxul.so
#12 0x00000008045f1321 in ?? () from /usr/local/lib/firefox/libxul.so
#13 0x00000008045763d2 in ?? () from /usr/local/lib/firefox/libxul.so
#14 0x0000000803bf18e0 in ?? () from /usr/local/lib/firefox/libxul.so
#15 0x000000080464da85 in ?? () from /usr/local/lib/firefox/libxul.so
#16 0x000000080464da16 in ?? () from /usr/local/lib/firefox/libxul.so
#17 0x000000080464d9a7 in ?? () from /usr/local/lib/firefox/libxul.so
#18 0x0000000803a76452 in ?? () from /usr/local/lib/firefox/libxul.so
#19 0x0000000803746d4c in ?? () from /usr/local/lib/firefox/libxul.so
#20 0x0000000801ff88d6 in ?? () from /usr/local/lib/firefox/libxul.so
#21 0x0000000801ff8b97 in ?? () from /usr/local/lib/firefox/libxul.so
#22 0x0000000801ff8db2 in XRE_main () from /usr/local/lib/firefox/libxul.so
#23 0x000000000040322b in ?? ()
#24 0x000000000040360c in ?? ()
#25 0x00000000004025de in _start ()
I'm not sure why the backtrace with DEBUG set still shows no debugging symbols.
In any case, regarding the bus error, I have no idea why this is happening. I
have not updated FreeBSD itself, and I had Firefox 20 running fine prior to the
update to Firefox 21, but after Firefox 21, even Firefox 20 gives me a bus error
(it's pretty much the same backtrace as above).
The only other thing I can point out is that I have libstdc++.so.6 and
libgcc_s.so.1 libmapped to the gcc47 versions of those.
Thanks,
Naram Qashat
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