Re: [Qemu-devel] [5050] uhci: rewrite UHCI emulator, fully async operation with multiple outstanding transactions ( Max Krasnyansky)

[Max Krasnyansky <maxk@kernel.org>]

Aurelien Jarno wrote:
> On Thu, Aug 21, 2008 at 05:26:49PM -0700, Max Krasnyansky wrote:
>> Aurelien, can you provide a bit more details on your setup. Do use KQEMU  
>> or KVM ? Since you mentioned table & mouse I'm assuming that you're  
>> using a graphic console. Is it VNC or SDL ?. In fact why don't you just  
>> send me your qemu command like. So that I can replicated the problem 
>> better.
>>
> 
> I am using QEMU, from the SVN, without KQEMU. The problem does not
> depend of the console used (SDL, VNC or curses). The guest kernel 
> outputs the following errors:
> usb 1-2: device not accepting address 2, error -71
> usb 1-2: new full speed USB device using uhci_hcd and address 3
> usb 1-2: device not accepting address 3, error -71
> usb 1-2: new full speed USB device using uhci_hcd and address 4
> usb 1-2: device not accepting address 4, error -71
> usb 1-2: new full speed USB device using uhci_hcd and address 5
> usb 1-2: device not accepting address 5, error -71
> 
> You can download the image from:
> http://people.debian.org/~aurel32/qemu/amd64/
> 
> It is reproducible with the following command line:
> qemu-system-x86_64 -hda debian_etch_amd64_small.qcow -usbdevice tablet                                          
> 
> The error can also be reproduced with -usbdevice mouse or -usbdevice 
> disk:image.

Ok. I'm looking at it right now. I can reproduce the error with your image.
Interestingly enough Fedora9 32bit is working just fine under latest KVM plus
the same USB patches.
I'll report back as soon as I find something.

Max