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Re: How stable is 2.6 on a SB1250 processor?

To: Kevin Paul Herbert <>
Subject: Re: How stable is 2.6 on a SB1250 processor?
From: Pete Popov <>
Date: 13 Jan 2004 13:09:25 -0800
Cc: Linux MIPS mailing list <>
In-reply-to: <1074027809.20636.91.camel@shakedown>
Organization: MontaVista Software
Original-recipient: rfc822;
References: <1074027809.20636.91.camel@shakedown>
I think userland is still broken. Ralf was working on the access_ok
problem the last time I talked to him.


On Tue, 2004-01-13 at 13:03, Kevin Paul Herbert wrote:
> I'm working on bringing up the 2.6 kernel on a board using the SB1250
> processor, and I have a problem in userland that I'm wondering if anyone
> else has seen.
> I built a simple test program for userland, which just uses the write()
> syscall to say hello world. This is statically linked, and it works
> under a 2.4 kernel. Under 2.6, I get no output. My guess is that an
> exception is occuring, the signal gets back to my test program, and it
> is looping.
> I've written a simple assembly language hello world program which does
> the exact same thing... write() syscall and I get my hello world.
> My next task is to get kgdb working on this board so I can do some
> better debugging, but I was wondering if anyone else has seen this
> problem, or for that matter whether the SB1 processor support is
> expected to work at all.
> Thanks for any help,
> Kevin

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