I've never seen valgrind have problems with memory mapped files.

On Mon, Aug 3, 2009 at 1:14 AM, Brett Wilson<[email protected]> wrote:
>
> On Sat, Aug 1, 2009 at 4:34 PM, Dan Kegel<[email protected]> wrote:
>> I suppose you could try running the hunspell test suite itself
>> under valgrind.  Their README tells how to do it, but
>> when I tried, I couldn't get it to work.  (Wonder if that
>> means they haven't run it, either?)
>
> Hi Dan,
>
> Purify has some problems with tracking memory that the OS memory maps,
> and it ends up giving uninitialized memory reads for any 0xCCs that
> the OS memory maps (since it doesn't see the write).
>
> Does Valgrind have a similar problem? Most of the data is memory
> mapped. It seems unlikely to me given we didn't have this problem
> before, but it's worth checking.
>
> My main concern is: who is working on this? It's OK like this for a
> couple of days I guess, but this seems like a potentially serious
> problem we don't want to file a bug and "get to it" later. It also
> seems like Mohammed will need help, and I'll be out part of next week
> (still figuring out the days). If we can't fond somebody to look at
> this soon, we should probably back out until there is somebody.
>
> Brett
>
> >
>

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