problem compile the cdc-acm.ko

[Stefan Bader]

xiangfu wrote:
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> Hi there :
> i do the follow step to compile the cdc-acm.ko.
> 
> 1. cd /usr/src
> 2. git clone git://kernel.ubuntu.com/ubuntu/ubuntu-intrepid.git
> ubuntu-intrepid
> 3. git checkout Ubuntu-2.6.27-10.20
>  modify the cdc-acm.c
>  static struct usb_device_id acm_ids[] = {
>         /* quirky and broken devices */
> +       { USB_DEVICE(0x1234, 0x6119), /* NewPostCom TD-SCDMA Modem */
> +       .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
> +       },
>         { USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
>         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
>         },
> 
> 4. uname -r --->2.6.27-10-generic
>     cp /boot/config-`uname -r` ./.config
> 

Xianfu,

better use the method described on https://wiki.ubuntu.com/KernelCustomBuild
This will ensure the right extraversion is used, which running make directly 
does not ensure.

Stefan

> 5. make oldconfig
> 6. make prepare
> 7. make SUBDIRS=scripts/mod/
> 8. make M=drivers/usb/class/
> 
> then i got the cdc-acm.ko
> but when i
> "insmod drivers/usb/class/cdc-acm.ko "
> insmod: error inserting 'drivers/usb/class/cdc-acm.ko': -1 Invalid
> module format
> 
> how to resolve this?
> thanks.
> 
> - --xiangfu
> 
> 
> 
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