[Buildroot] mdev & usb problem

peter.stosz at mentat.hu peter.stosz at mentat.hu
Tue Jan 5 13:19:35 UTC 2010


Julien Boibessot <julien.boibessot at free.fr> wrote on 2010.01.05 13:37:04:

> peter.stosz at mentat.hu a écrit :
> > /opt # find / -name usb.ids*
> > /usr/share/usb.ids.gz
> and what gives "strace lsusb" on your board ??
A very long list (read usb.ids.gz)

> > /opt #
> > /opt # strace ./us
> > ......
> > ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon
> > echo ...}) = 0
> > ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon
> > echo ...}) = 0
> > open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = -1 ENOENT (No
> > such file or directory)
> seems to be the problem (compare it with "strace us" on your PC)
> Do you have a directory named /dev/bus/usb/ ??
No, but found /proc/bus/usb, isn't is enought?

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