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Date: Thu, 21 Nov 2013 12:45:00 -0500
From: Zach Bevilacqua <bertwithcookie@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: OMP on windows hangs after about 2 hours

Using JtR 1.7.9 using the provided dll's, haven't installed cygwin myself.
 This is using the extracted john179j5w.zip


On Wed, Nov 20, 2013 at 10:09 PM, Solar Designer <solar@...nwall.com> wrote:

> On Wed, Nov 20, 2013 at 10:44:53AM -0500, Zach Bevilacqua wrote:
> > Windows 8.1 - 8GB RAM - AMD athlon X4 650 CPU
> >
> > Unelevated command prompt --> john-omp.exe hash.file
> > File contains 3 MD5 hashes with salts seen as FreeBSD MD5 [SSE2i 12x] I
> do
> > get a cygwin error "1 [main] john-omp 8340 find_fast_cwd: WARNING:
> Couldn't
> > compute FAST_CWD pointer." but it runs fine other than that. After about
> 2
> > hours it won't respond to (any)key commands for status. It still takes up
> > resources but not as much when it's really working. cntrl+C will make
> > produce a 'wait' message but that never goes away (left overnight)
> another
> > cntrl+C make it say something like termated but the job still stays
> around.
> > I have to end the task in the task manager. I can do a --restore and it
> > starts again, for another 2 hours.
>
> What version/build of JtR is that?  What version of Cygwin (if you
> installed it on your own rather than used a JtR build with Cygwin DLLs
> prepackaged along with it)?
>
> What you describe sounds like a known shortcoming of Cygwin, which is
> worked around in the patched cygwin1.dll included in our Windows builds
> of JtR such as john179w2.zip and john179j5w.zip.  If you're using
> another build, please try taking cygwin1.dll from one of these.
>
> Alexander
>

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