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Re: [Discuss-gnuradio] USRP2 start/stop issues

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] USRP2 start/stop issues
Date: Sat, 5 Sep 2009 17:24:31 -0700
User-agent: Mutt/1.5.18 (2008-05-17)

On Sat, Sep 05, 2009 at 05:26:13PM -0400, Tom Rondeau wrote:
> On Fri, Sep 4, 2009 at 7:14 AM, Eric Blossom<address@hidden> wrote:
> > On Tue, Sep 01, 2009 at 03:58:32PM -0700, Eric Blossom wrote:
> >
> > It's fixed!  I ran your test case 500 times w/o failure.
> >
> > There was a race in the code that notified the caller when the reply
> > came in.  I also used your "don't enqueue when trying to stop" idea too.
> >
> > Please pull from http://gnuradio.org/git/eb.git u2-hang
> >
> > Eric
> >
> Hey. I thought I hit both you and Johnathan with a thank you email,
> but looking back, looks like it only went to Corgan.
> The fix works, so I'm well on my way with what I'm trying to do now.
> Thank you very much for the quick turnaround on this.
> Tom

You're welcome.  The funny thing is that the bug has been there since
the beginning but seems to have only recently raised its head.  I'm
not sure if there's been a kernel upgrade along the way that sped up
the path we're executing or what.  Glad it's fixed in any case.


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