Qemu doesn't work with gadgetfs

[Visti Andresen]

On Thu, 19 Jul 2007 10:53:22 +0200
Ingmar Rieger <openmoko-devel at lists.openmoko.org> wrote:

> 
> Hello,
> 
> On Thu, 19 Jul 2007 09:39:47 +0200, Visti Andresen <talpa at galnet.dk> wrote:
> > On Wed, 18 Jul 2007 23:34:44 +0200
> > Ingmar RIeger <openmoko at ingmars-bastelecke.net> wrote:
> >
> >> .....
> >> I also checked /devgadgetfs with ls -l /dev/gadget/
> >> insgesamt 0
> >> -rw------- 1 root root 0 2007-07-18 23:21 dummy_udc
> >> ....
> >
> > I just checked my /dev/gadget, the ownership of your /dev/gadget/dummy_udc
> > shouldn't be root
> >
> > ls -l /dev/gadget
> > total 0
> > -rw------- 1 talpa root 0 2007-07-19 09:23 dummy_udc
> > ...
> > btw. I have noticed that modprobe dos not complain if the module is
> > already
> > loaded, perhaps gadgetfs was already loaded (without default_uid=1000)
> > when you issued the command?
> 
> 
> Oh, I didn't saw that. I think it was owned by root because I did a modprobe gadgetfs first and later the same with the option (modprobe gadgetfs default_uid=1000). Now I have also my user as the owner, but qemu doesn't work with it.

The same error message?

> 
> > (after I do a usb_add gadget:1 inside qemu I also get lots of
> > /dev/gadget/ep* entries with the same set of permissions)
> 
> I would test this but I don't know where to use this command. Where could I use this command?

After OpenMoko finished booting press ctrl+alt+2 to access the qemu monitor.
usb_add gadget:1 is the emulator equivalent of plugging in the usb cable.

It's detailed in http://wiki.openmoko.org/wiki/OpenMoko_under_QEMU#Setting_up_USB_connection