On Mon, 23 Sep 2013, Kumar Gaurav wrote: > Hi Alan, > I have one question just for knowledge. I was looking for the reason of > this bug but wasn't even able to identify which driver (ehci,xhci etc) > these devices are using. I tried inspecting with my USB mouse and found > out it was ehci (i believe it depends on devices). > >> My configuration files are almost similar between 3.10 and 3.11... > >> Attached 2 "lsusb -v" files, 1 that works, the other doesn't. > >> > >> I use debian wheezy with LUKS. > >> > >> Thank you, best regards > >> > >> Note: Same problem with the kernel 3.12rc1. > > It looks like your system did not load the ohci-pci driver. Is > > CONFIG_USB_OHCI_HCD_PCI enabled? > how did you identified it was using ohci? You can tell by looking at the output from lsusb -v. Here are the important lines: > Bus 004 Device 002: ID 04d9:1603 Holtek Semiconductor, Inc. Keyboard > Bus 005 Device 002: ID 1bcf:0005 Sunplus Innovation Technology Inc. These lines say that the Holtek keyboard is on bus 4 and the Sunplus mouse is on bus 5. > Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 1.10 > bDeviceClass 9 Hub > bDeviceSubClass 0 Unused > bDeviceProtocol 0 Full speed (or root) hub > bMaxPacketSize0 64 > idVendor 0x1d6b Linux Foundation > idProduct 0x0001 1.1 root hub > bcdDevice 3.10 > iManufacturer 3 Linux 3.10.11-gnu-hardened ohci_hcd > iProduct 2 OHCI Host Controller > iSerial 1 0000:00:12.0 > Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 1.10 > bDeviceClass 9 Hub > bDeviceSubClass 0 Unused > bDeviceProtocol 0 Full speed (or root) hub > bMaxPacketSize0 64 > idVendor 0x1d6b Linux Foundation > idProduct 0x0001 1.1 root hub > bcdDevice 3.10 > iManufacturer 3 Linux 3.10.11-gnu-hardened ohci_hcd > iProduct 2 OHCI Host Controller > iSerial 1 0000:00:13.0 These lines say that the host controllers for buses 4 and 5 are both OHCI (see the iProduct entries). Also, the iSerial values give the controllers' PCI addresses. Alan Stern -- 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
