On Thu, 2015-07-09 at 10:13 +0200, Hans de Goede wrote: > Hi, > > On 09-07-15 09:19, Christophe Fergeau wrote: > > On Wed, Jul 08, 2015 at 07:36:40PM +0200, Hans de Goede wrote: > > > Can you ask the reporter to provide lsusb -v output for the usb > > > interface > > > of the kvm in question, then we can better analyse what exactly > > > is going > > > wrong here. Perhaps my analyses of the problem is wrong. > > > > Is https://bugzilla.redhat.com/attachment.cgi?id=980879 enough or > > do you > > need something even more detailed? > > That is good enough, but all the hid devices in there have at least > one > interface which has: > > bInterfaceSubClass 1 Boot Interface Subclass > > So atleast 1 interface will not be skipped for the filter check and > the > Uri's patch will be a nop on these devices. I've tested with a different KVM switch device, see below its descriptors. The patch fixes the problem I found with "my" KVM device. You are probably right it will not fix the problem in the bug. --- Bus 002 Device 043: ID 10d5:55a4 Uni Class Technology Co., Ltd Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x10d5 Uni Class Technology Co., Ltd idProduct 0x55a4 bcdDevice 1.00 iManufacturer 1 No brand iProduct 2 4 Port KVMSwicther iSerial 3 04’ bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 59 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 4 HID Mouse bmAttributes 0x80 (Bus Powered) MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 7 Keyboard HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 65 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 6 Mouse HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 24 Report Descriptor: (length is 24) Item(Global): Usage Page, data= [ 0x00 0xff ] 65280 (null) Item(Local ): Usage, data= [ 0x01 ] 1 (null) Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255 Item(Local ): Usage Minimum, data= [ 0x00 ] 0 (null) Item(Local ): Usage Maximum, data= [ 0xff 0x00 ] 255 (null) Item(Global): Report Count, data= [ 0x08 ] 8 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Main ): Output, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Device Status: 0x0040 (Bus Powered) Debug Mode --- Thanks, Uri _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel