Re: Need help with a very scary error
Re: Need help with a very scary error
- Subject: Re: Need help with a very scary error
- From: Jean-Daniel Dupas <email@hidden>
- Date: Sun, 1 Nov 2009 12:43:39 +0100
Le 1 nov. 2009 à 02:34, Joar Wingfors a écrit :
On 31 okt 2009, at 05.14, Jean-Daniel Dupas wrote:
I managed to reliably reproduce this issues in a complex project,
but didn't managed to reproduce it in a simple test case.
I don't know if this is relevant, but some of these call
(especially the one that fails) are perform asynchronously in a
serial dispatch_queue, and this code is in a shared library.
If it's easy to reproduce, I'd try to reproduce it with Guard Malloc
or stack canaries enabled.
Thank you for the suggestion, unfortunately it does not change the
result and does not report error.
And I don't see how a stack corruption can explain this as I don't do
anything between the computation and the printf (and I print the
argument in the printf to check its validity).
Note that if I use llround instead of relying on implicit float->int
conversion, I don't get this error anymore.
-- Jean-Daniel
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