[Rxtx] Port Locking / JVM Crashing

[Kharbanda, Pawan]

Andy, 
   Trent is right I used the new Red Hat kernel 2.6 with rxtx 2.1-7
(final), I wasn't able to completely able to eliminate the problem but
migrating to the latest kernel surely helped. I still see some locks but
after many many cycles of opening and closing different comm ports. 

Thanks 
~pk 

-----Original Message-----
From: rxtx-bounces at qbang.org [mailto:rxtx-bounces at qbang.org] On Behalf
Of Andy Dalton
Sent: Thursday, September 07, 2006 7:52 PM
To: RXTX Developers and Users
Subject: Re: [Rxtx] Port Locking / JVM Crashing

Hi Trent,

Thank you for your response.  When I tried the latest-and-greatest, I
did compile it by hand as the libraries I'm using depend on the
javax.comm.* package structure and not the gnu.io.*

Does the 'contrib/ChangePackage.sh' script still work for rxtx-2.1-7r2?
If not, is there some javax.comm pass-through wrapper for the gnu.io
packages?  That's the only think I can think that might have caused me
problems.

Otherwise, I'll try it again and if I still run into problems, I'll let
you know more specifically what problems I have.

Thanks again for your help.

Andy

On 9/7/06, Trent Jarvi <tjarvi at qbang.org> wrote:
>
> Hi Andy
>
> With Gentoo, I would try recompiling rxtx-2.1-7 on your system.  The 
> pre17 is older and its easier to work with older binaries.  But that 
> is all you are gaining as far as I know.  Compiling on your system 
> should result in a usable library.
>
> I would be interested in knowing if you still have problems.
>
> In Pawan's case, the problem was resolved by upgrading the system, 
> drivers and firmware on the multiport device.  USB can be interesting 
> this way too but less so on Linux.
>
> I was able to generate a crash but only after hours of hammering.  So 
> while there is probably a latent problem, I do not know of a case 
> where it is reproducable like you mention with current rxtx.
>
> --
> Trent Jarvi
> tjarvi at qbang.org
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