Re: Ultra Sparc T1 port

[zhiyi huang]

> zhiyi huang writes:
> > Hello,
> > I am using a Ubuntu port on Ultra Sparc T1.
> > Linux version 2.6.15-21-sparc64-smp (buildd@artigas) (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.

Thanks. Can anyone direct me to the list address?

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

Yes, indeed. I don't have that method. Now the control is in my ioctl  
function. My new problem is that I don't know much about  
compat_ioctl. Is there any document about it? The only doc I use is  
Linux Device Driver (online version).
Thanks a lot, Mikael:)

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