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Re: jemalloc SEGV problem



In article 
<515c64960811062111l2308407cve5adf4d70f16d75d%mail.gmail.com@localhost>,
Channa  <channa.kad%gmail.com@localhost> wrote:
>Hi,
>Yes i included
>All these header files.
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>int main()
>{
>char *ptr;
>ptr=malloc(10);
>strcpy(ptr,"hello");
>printf("%s\n",ptr);
>return 0;
>}
>
>But i am not able to understand where exactly is the problem to use jemalloc.c
>
>Since in the jemalloc.c code i have not modified much apart from the
>things i mentioned in my prev mail.
>
>Thanks in Advance,
>Channagoud
>
>2008/11/6 Christos Zoulas <christos%astron.com@localhost>:
>> In article 
>> <515c64960811060431g3f4301e3se4a52cb4183a5f95%mail.gmail.com@localhost>,
>> Channa  <channa.kad%gmail.com@localhost> wrote:
>>>Hi,
>>>I am using the jemalloc.c file for my own library i could successfully
>build it.
>>>
>>>But when i run a test cases  i am getting segmentation fault.
>>>
>>>The stack trace is as below:
>>>#0  0x4006c304 in arena_run_split () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#1  0x4006cb6c in arena_run_alloc () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#2  0x4006e8a4 in arena_malloc () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#3  0x4006ea50 in malloc () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#4  0x4007512c in __smakebuf () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#5  0x4007ab08 in __swsetup () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#6  0x400747e0 in __sfvwrite () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#7  0x400757e8 in puts () from
>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>#8  0x00008494 in main () at test.c:5

One thing to note here is that you are dying in the malloc() call from
the printf(), not the first one...

christos



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