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From: Andi Kleen <ak@suse.de>
To: Roberto Nibali <ratz@drugphish.ch>
Cc: discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [discuss] trap int3 problem while porting a user space application and small cleanup patch
Date: Mon, 13 Feb 2006 10:25:43 +0100	[thread overview]
Message-ID: <200602131025.43826.ak@suse.de> (raw)
In-Reply-To: <43F03B7F.2030701@drugphish.ch>

On Monday 13 February 2006 08:55, Roberto Nibali wrote:
> Hello Andi,
> 
> Thanks for your comments.
> 
> >> The issue I'm trying to track down now is why I cannot get it to work on 
> >> a x86_64 kernel (Sun Fire V20z with AMD Opteron(tm) Processor 252 on 
> >> SLES 9 PL3). I suspect 32/64 bit issues between in my ioctl message 
> >> passing between user space and kernel space.
> > 
> > Quite possible. The mpt ioctls would need a ioctl conversion handler
> > to allow a 32bit program to use the 64bit ioctls. Or just use a 64bit
> > executable.
> 
> It is a 64bit executable:

Then whatever problem the program has is not enabled to 32bit ioctl emulation.
Maybe it has some generic 64bit issues.

Thanks for looking into it.

-Andi

      reply	other threads:[~2006-02-13  9:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-12 17:08 trap int3 problem while porting a user space application and small cleanup patch Roberto Nibali
2006-02-13  0:57 ` [discuss] " Andi Kleen
2006-02-13  7:55   ` Roberto Nibali
2006-02-13  9:25     ` Andi Kleen [this message]

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