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Date: Tue, 11 Jan 2005 13:26:48 +0100
From: Jose M Rodriguez <josemi@freebsd.jazztel.es>
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To: Matteo Riondato <rionda@gufi.org>
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cc: freebsd-current@freebsd.org
Subject: Re: firefox coredumping in recent current
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Matteo Riondato escribió:

>On 10-01-2005 at 04:07 +0000, Jason Henson wrote:
>  
>
>>On 01/09/05 15:24:57, Matteo Riondato wrote:
>>    
>>
>>>Hi folks
>>>I'm experimenting some core dumps with firefox on a recent current
>>>(Jan
>>>2 2005). Firefox crashes during surfing,
>>>      
>>>
>
>  
>
>>What options, if any, did you build with?  -f options kill all the  
>>chrome stuff from mozilla on my machince.
>>    
>>
>
>Sorry for having caused such a noise. I noticed that I built firefox
>with -O2, which isn't supported. Probably, building it with -O will
>result in a working firefox. 
>Anyway, if that matters: I rebuild it (again, with -O2 and debug) and
>here is a backtrace:
>(gdb) bt
>#0  0x28ab00ab in pthread_testcancel () from /usr/lib/libpthread.so.1
>#1  0x28aa8510 in pthread_mutexattr_init ()
>from /usr/lib/libpthread.so.1
>#2  0x00000000 in ?? ()
>
>
>Perhaps it can be useful to something else, such as tracking bugs down
>in libpthread.
>
>Best Regards
>  
>
Try using CFLAGS+= -O2 -fno-strict-aliasing and/or 
WITH_OPTIMIZED_CFLAGS="YES"
Also, check your CPU options. I use
CPUTYPE=athlon-xp
NO_CPU_CFLAGS= true
NO_CPU_COPTFLAGS=true
CFLAGS= -O2 -march=pentium-mmx -mtune=athlon-xp -fno-strict-aliasing -pipe

--
  josemi