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Date:      Sat, 2 Aug 1997 02:13:34 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        current@FreeBSD.ORG, garyj@frt.dec.com
Subject:   Re: httpd in free(): warning: modified (page-) pointer.
Message-ID:  <199708011613.CAA16320@godzilla.zeta.org.au>

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>wpaul@skynet.ctr.columbia.edu writes:
>>   Caveats:
>> 
>> 	o With our gdb, it is sometimes difficult to use a core dump
>> 	  to properly debug things: you will be able to get a stack
>> 	  trace and locate the exact line in the source where the program
>> 	  died, however not all of the environment is preserved: variables
>> 	  are not properly reloaded with the values they posessed when
>> 	  the crash took place. If the program crashes while being run
>...
>has it always had this problem or did it start after the changes
>in -current to eliminate the user structure ?

This is probably the bug that started in FreeBSD-2.0 and was fixed a
while ago (4.4BSDLite doesn't write vm_daddr to cores, and gdb was
configured to use vm_daddr).

Bruce



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