Public bug reported: I was looking for a way to dump the HID report descriptor under Linux. For that purpose, I need to detach the kernel usbhid driver from the HID interfaces.
More detail in libusb mailing list archive. http://www.nabble.com/How-to-dump-HID-report-descriptor-under-Linux-td19609562.html [EMAIL PROTECTED]:~$ uname -a Linux Ubuntu804 2.6.24-21-generic #1 SMP Mon Aug 25 17:32:09 UTC 2008 i686 GNU/Linux [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ lsusb Bus 001 Device 007: ID 04f2:0760 Chicony Electronics Co., Ltd Bus 001 Device 006: ID ffff:0005 Bus 001 Device 005: ID 046d:c054 Logitech, Inc. Bus 001 Device 004: ID 14c0:0008 Bus 001 Device 003: ID 1947:0033 Bus 001 Device 002: ID 058f:9360 Alcor Micro Corp. 8-in-1 Media Card Reader Bus 001 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ ls 1-3:1.0 1-5:1.0 1-7:1.0 1-7:1.1 bind module new_id uevent unbind So far so good. But then there is error thereafter. Maybe this is a Ubuntu specific problem. [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ sudo echo -n 1-7:1.0 >unbind bash: unbind: Permission denied [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ sudo echo -n 1-7:1.1 >unbind bash: unbind: Permission denied It turns out that I need to enable root to be able to do the job. [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ sudo passwd root [sudo] password for mcuee: Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ ls 1-3:1.0 1-5:1.0 1-7:1.0 1-7:1.1 bind module new_id uevent unbind [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid$ su - Password: [EMAIL PROTECTED]:~# cd /sys/bus/usb/drivers/usbhid/ [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid# ls 1-3:1.0 1-5:1.0 1-7:1.0 1-7:1.1 bind module new_id uevent unbind [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid# echo -n 1-7:1.0 >unbind [EMAIL PROTECTED]:/sys/bus/usb/drivers/usbhid# echo -n 1-7:1.1 >unbind ** Affects: sudo (Ubuntu) Importance: Undecided Status: New -- sudo does not work with unbinding usb interface from usbhid driver https://bugs.launchpad.net/bugs/288964 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
