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Subject: RE: sequencer SEGV
From: Nick Rees <[email protected]>
To: Jeff Hill <[email protected]>
Cc: "'Benjamin Sailer'" <[email protected]>, "'EPICS Tech-Talk'" <[email protected]>
Date: Tue, 18 Nov 2003 08:05:18 -1000 (HST)
On Tue, 18 Nov 2003, Jeff Hill wrote:

> The fact that free() fails when it is taking a mutex points somewhat towards
> some form of corruption, or if the bug is in the Linux run time support
> possibly a race condition. You might try to verify that the same problem
> occurs on a newer version of Linux. You might try also running the code on
> Solaris if it's available to see if the problem occurs there. Since this
> looks vaguely like corruption then running the code through purify, assuming
> that you have a system that supports that, might also be helpful.

Just because it may be of general interest, and Jeff doesn't mention it,
valgrind is an Open Source Linux tool that does basically the same job as
purify (at a much better price). We use it a lot. http://valgrind.kde.org/

Cheers,

-- 
Nick Rees

Head of Software and Computing Services
Joint Astronomy Centre                   Ph:         +1 (808) 961-3756
660 N. Aohoku Place                      Fax:        +1 (808) 961-6516
Hilo, HI.  96720                         Email: [email protected]


References:
RE: sequencer SEGV Jeff Hill

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