can't get usb_add to work with kvm 33.

can't get usb_add to work with kvm 33.

[Andreas Jellinghaus]

I'm using linux 2.6.22.1 with kvm 33, and tried to "usb_add host:1.4"
a device ( a smart card reader ), hoping that it would show up in the
guest and my app could use it via /proc/bus/usb/ like I can do on the
host. my guest is a debian 4.0 ("etch") installation with the debian
standard kernel.

But this doesn't work for me:
(qemu) info usbhost
  Device 3.2, speed 1.5 Mb/s
    Class 00: USB device 0d3d:0001, USBPS2
  Device 1.3, speed 480 Mb/s
    Hub: USB device 04b4:6560
  Device 1.5, speed 1.5 Mb/s
    Vendor Specific: USB device 0973:0001, SchlumbergerSema Cryptoflex
e-gate
(qemu) usb_add host:1.5
(qemu) info usb
  Device 0.0, Speed 1.5 Mb/s, Product SchlumbergerSema Cryptoflex e-g

but no device shows up on the guest.

is this kind of usb bridge supported in kvm?
does it work for you? with kvm version are you using?
using a special guest kernel?
should a normal kernel with no special compile options or patches work as
well?

thanks for your help.

Regards, Andreas


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Re: can't get usb_add to work with kvm 33.

[Andreas Jellinghaus]

follow up: works fine when I run qemu with -usbdevice host:1.5
but adding it while running with usb_add in the qemu console does
not work. shall I file a bug for this or something?

Andreas


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Re: can't get usb_add to work with kvm 33.

[Avi Kivity]

Andreas Jellinghaus wrote:
> follow up: works fine when I run qemu with -usbdevice host:1.5
> but adding it while running with usb_add in the qemu console does
> not work. shall I file a bug for this or something?
>   

Does it work with -no-kvm?  With plain qemu 0.9.0?  With qemu-cvs?



-- 
error compiling committee.c: too many arguments to function


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Re: can't get usb_add to work with kvm 33. [u]

[Andreas Jellinghaus [c]]

Am Dienstag, 31. Juli 2007 schrieb Avi Kivity:
> Andreas Jellinghaus wrote:
> > follow up: works fine when I run qemu with -usbdevice host:1.5
> > but adding it while running with usb_add in the qemu console does
> > not work. shall I file a bug for this or something?
>
> Does it work with -no-kvm?  With plain qemu 0.9.0?  With qemu-cvs?

sorry, linux guest kernel crashes with "-no-kvm" and the installation has
no support for serial console so far. I could create a screenshot
from vnc, but it would be very partial at the best. shall I try?

will try qemu later.

Andreas

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Re: can't get usb_add to work with kvm 33. [u]

[Andreas Jellinghaus [c]]

Am Dienstag, 31. Juli 2007 schrieb Avi Kivity:
> Andreas Jellinghaus wrote:
> > follow up: works fine when I run qemu with -usbdevice host:1.5
> > but adding it while running with usb_add in the qemu console does
> > not work. shall I file a bug for this or something?
>
> Does it work with -no-kvm?  With plain qemu 0.9.0?  With qemu-cvs?

same problem with plain qemu 0.9.0. sorry for the noise, will take
the problem there.

Andreas

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