Bug Report: Firefox 3.6.2 crashes on JavaScript heavy pages

[Edward Tjörnhammar]

Thank you for your replies!

I didn't have any special make.conf but tried using
fno-strict-aliasing as suggested by Garret and now it works.

Regards

On Sat, Apr 3, 2010 at 4:56 PM, Gary Jennejohn
<gary.jennejohn at freenet.de> wrote:
> On Sat, 3 Apr 2010 04:24:05 -0700
> Garrett Cooper <yanefbsd at gmail.com> wrote:
>
>> On Sat, Apr 3, 2010 at 3:30 AM, Edward Tj__rnhammar <e at cube2.se> wrote:
>> > The browser crashes on JavaScript intensive pages. I've tried to debug
>> > the behavior but since firebug crashes with firefox this is a no go.
>> > I've tried disabling optimizations in the firefox makefile but it
>> > makes no difference.
>> >
>> > I don't believe it matters but my hardware is a Dell XPS m1210 laptop
>> > with intel graphics.
>> >
>> > What system:
>> > pylon# uname -a
>> > FreeBSD pylon 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Mar 13 18:50:29
>> > CET 2010 __ __ root at pylon:/usr/obj/usr/src/sys/PYLON __i386
>> >
>> > What makefile:
>> > pylon# grep Makefile,v /usr/ports/www/firefox/Makefile
>> > # $FreeBSD: ports/www/firefox/Makefile,v 1.221 2010/03/23 08:54:22 beat Exp $
>> >
>> > How to reproduce:
>> > I can reproduce this crash everytime by removing my .mozilla and then visit:
>> > __http://review.source.android.com/11633
>> > Most pages are Ok.
>> >
>> > Error message:
>> > Floating point exception (core dumped)
>> >
>> > Well.. the processor supports SSE instrincs, perhaps this is a SIMD
>> > optimization bug somewhere else, I remember I enabled that for some
>> > other port..
>> >
>> > Other notable behaviour:
>> > If i run firefox3 with truss -f firefox3 does not crash on the page.
>> > I could probably dive deeper into this.
>>
>>     Doesn't crash for me on Firefox 3.5.8:
>>
>> # /etc/make.conf:
>> CFLAGS                += -fno-strict-aliasing -pipe
>> CXXFLAGS      += -fno-strict-aliasing -pipe
>> # ...
>> CPUTYPE               := nocona
>>
>>     Do you have a custom make.conf file? If so, what's your processor
>> and your CPUTYPE / C*FLAGS?
>>
>
> The referenced page works for me using FF 3.6.2.  I don't have any
> special CFLAGS values set in src.conf/make.conf.
>
> I also have
> CPU: AMD Athlon(tm) Dual Core Processor 4850e (2505.35-MHz K8-class CPU)
> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,
> MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
> Features2=0x2001<SSE3,CX16>
>
> --
> Gary Jennejohn
>