On Sun, 28 Jun 2009, Alan Stern wrote: > On Sun, 28 Jun 2009, Guennadi Liakhovetski wrote: > > > FWIW, I also suspected some problems with interrupt requests when running > > my PTP gadget usbfs application on a real hardware trying to talk to a > > Windows machine running in VMware on a Linux PC. Even just opening an > > interrupt endpoint over USBFS and keeping it open already sends empty > > replies to interrupt requests to "real" hosts - Linux, Mac OS or Windows, > > but I was getting timeouts with VMware. I didn't investigate it too much, > > I just switched to real hardware and there everything worked as expected. > > I was going to suggest exactly the same thing. It sounds like > VirtualBox and VMware don't do a good job of forwarding interrupt URBs > from the guest to the host. OTOH, most other interrupt USB devices, like HID, network worked with VMware, but, I think, I also had _one_ other "normal" USB device, that used interrupt transfers, that also had problems with VMware, not sure anymore though, maybe one of wireless dongles, or indeed the usb-eth adapter. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
