On Sat, Apr 3, 2010 at 7:48 PM, Garrett Cooper <yanef...@gmail.com> wrote:
> On Sat, Apr 3, 2010 at 6:50 PM, Edward Tjörnhammar <e...@cube2.se> wrote:
>> 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.jennej...@freenet.de> wrote:
>>> On Sat, 3 Apr 2010 04:24:05 -0700
>>> Garrett Cooper <yanef...@gmail.com> wrote:
>>>
>>>> On Sat, Apr 3, 2010 at 3:30 AM, Edward Tj__rnhammar <e...@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 __ __ r...@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>
>
> It might be a bug then in how they're type-casting in firefox; if
> this is reproducible, a bug should definitely be submitted upstream.
Another possibility -- if you're using -O2, etc, it might be a
compiler optimization bug on your CPU architecture (less likely).
Cheers,
-Garrett
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