linux-kernel - Re: Ultra Sparc T1 port

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Date:	Wed, 30 Aug 2006 10:52:23 +0200
From:	Mikael Pettersson <mikpe@...uu.se>
To:	zhiyi huang <hzy@...otago.ac.nz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Ultra Sparc T1 port

zhiyi huang writes:
 > Hello,
 > I am using a Ubuntu port on Ultra Sparc T1.
 > Linux version 2.6.15-21-sparc64-smp (buildd@...igas) (gcc version  
 > 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 SMP Fri Apr 21 17:04:05 UTC 2006
 > I have installed a module in the kernel. It is a RAM device driver.  
 > When my application calls ioctl on the device (/dev/dsm), I got the  
 > following log message:
 > 
 > Aug 29 11:13:20 info-sf-03 kernel: [    3.603348] ioctl32(manager: 
 > 18821): Unknown cmd fd(3) cmd(80047f00){00} arg(fffc3934) on /dev/dsm
 > 
 > I check my module and found the control has not reached my module  
 > yet. I haven't got much clue why it happened and how to fix the  
 > problem. It works fine on Linux 2.6.8/i386, by the way.
 > Thanks for help:)

There's a separate mailing list for SPARC Linux.

In this case, you probably just forgot to set up a ->compat_ioctl()
method in your device's file ops.

/Mikael
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