Date: Mon, 20 May 2013 00:04:58 -0400 From: Naram Qashat <cyberbotx@cyberbotx.com> To: freebsd-ports@FreeBSD.org Subject: Firefox 21.0 bus error and segfault Message-ID: <5199A0EA.2080008@cyberbotx.com>
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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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