Kernel dump crash

Alejandro Imass ait at p2ee.org
Wed Mar 17 14:12:57 UTC 2010


On Wed, Mar 17, 2010 at 10:04 AM, Alejandro Imass <ait at p2ee.org> wrote:
> On Wed, Mar 17, 2010 at 4:03 AM, Glenn Camilleri <glenncam at gmail.com> wrote:
>> Hi,
>>
>>
>>
>> I have some processes and programs that are custom made to run on FreeBSD. I
>> suspect some poor implementation of tcp in these programs, but don’t have
>> the real proof.
> [...]
>>
>> Can you kindly advise ?
>>
>
> Using the core dump is wise but ktrace will probably be easier. Just
> run like this ktrace [program] 2>&1 | less
> You should be able to spot the precise failing system call quite easily
>

Ooops, my Linux background betrayed me, sorry (was thinking of
strace). ktrace will produce a file which you later need to analyze
with kdump. Running is the same but forget the output redirection,
there is a -f switch to specify the outfile.

> Best,
> Alejandro Imass
>
>>
>>
>> BR,
>>
>> Glenn Camilleri
>>
>> --
>> Best Regards,
>> Glenn Camilleri
>>
>>
>>
>> --
>> Best Regards,
>> Glenn Camilleri
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>


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