Messages in this thread | | | From | zhiyi huang <> | Subject | Re: Ultra Sparc T1 port | Date | Thu, 31 Aug 2006 09:46:00 +1200 |
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> 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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