I see this too, my backtrace looks very similar. To reproduce: 1) Start firefox on an ia64 box 2) Tools->Extensions->Get More Extensions 3) Web Annoyances->Flashblock "Install" 4) Install Now
Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 2305843009243843728 (LWP 14244)] 0x20000000001364f1 in js_strlen () from /usr/lib/mozilla-firefox/libmozjs.so (gdb) bt #0 0x20000000001364f1 in js_strlen () from /usr/lib/mozilla-firefox/libmozjs.so #1 0x20000000001355f0 in js_NewStringCopyZ () from /usr/lib/mozilla-firefox/libmozjs.so #2 0x2000000000070e30 in JS_NewUCStringCopyZ () from /usr/lib/mozilla-firefox/libmozjs.so #3 0x40000000003bad10 in XPCConvert::NativeData2JS () #4 0x40000000003de2f0 in nsXPCWrappedJSClass::CheckForException () #5 0x40000000003d76a0 in nsXPCWrappedJS::FindInherited () #6 0x20000000002afe30 in PrepareAndDispatch () from /usr/lib/mozilla-firefox/libxpcom.so #7 0x20000000002b8bb0 in SharedStub () from /usr/lib/mozilla-firefox/libxpcom.so #8 0x20000000002b0510 in nsXPTCStubBase::Stub13 () from /usr/lib/mozilla-firefox/libxpcom.so #9 0x20000000002b8d10 in XPTC_InvokeByIndex () from /usr/lib/mozilla-firefox/libxpcom.so #10 0x40000000003e9e20 in XPCWrappedNative::CallMethod () #11 0x40000000003f8770 in XPC_WN_CallMethod () #12 0x20000000000bca80 in js_Invoke () from /usr/lib/mozilla-firefox/libmozjs.so #13 0x20000000000d0ee0 in js_Interpret () ---Type <return> to continue, or q <return> to quit--- from /usr/lib/mozilla-firefox/libmozjs.so #14 0x20000000000bcb60 in js_Invoke () from /usr/lib/mozilla-firefox/libmozjs.so #15 0x40000000003de960 in nsXPCWrappedJSClass::CheckForException () #16 0x40000000003d76a0 in nsXPCWrappedJS::FindInherited () #17 0x20000000002afe30 in PrepareAndDispatch () from /usr/lib/mozilla-firefox/libxpcom.so #18 0x20000000002b8bb0 in SharedStub () from /usr/lib/mozilla-firefox/libxpcom.so #19 0x20000000002aff70 in nsXPTCStubBase::Stub3 () from /usr/lib/mozilla-firefox/libxpcom.so #20 0x20000000001ed050 in nsObserverService::GetObserverList () from /usr/lib/mozilla-firefox/libxpcom.so #21 0x20000000055c5690 in ?? () #22 0x20000000001355f0 in js_NewStringCopyZ () from /usr/lib/mozilla-firefox/libmozjs.so #23 0x0000000000000000 in ?? () #24 0x0000000000000000 in ?? () (loops here, broken stack) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]