From noreply at ubuntu.com Mon Jan 30 00:30:07 2017 From: noreply at ubuntu.com (Ubuntu Wiki) Date: Mon, 30 Jan 2017 00:30:07 -0000 Subject: =?utf-8?q?=5BUbuntu_Wiki=5D_Update_of_=22DebuggingUdev=22_by_lfaraone?= Message-ID: <20170130003007.8458.63099@mangaba.canonical.com> Dear Wiki user, You have subscribed to a wiki page or wiki category on "Ubuntu Wiki" for change notification. The "DebuggingUdev" page has been changed by lfaraone: http://wiki.ubuntu.com/DebuggingUdev?action=diff&rev1=12&rev2=13 Comment: rm deprecated command = Useful things = - * `sudo udevmonitor -e` ... this should be run for any problems when a device is plugged in, or removed. It will output UEVENT blocks for the event from the kernel, and a following UDEV block; these are timestamped so you know how long it takes to process. The UDEV block contains more information, which udev adds through various helper programs. + * `sudo udevadm monitor -e` ... this should be run for any problems when a device is plugged in, or removed. It will output UEVENT blocks for the event from the kernel, and a following UDEV block; these are timestamped so you know how long it takes to process. The UDEV block contains more information, which udev adds through various helper programs. - * ''note that in Ubuntu 8.10, the udevmonitor command has been replaced with the "udevadm monitor" command. This changes the above command to'' `sudo udevadm monitor --e` * `/var/log/udev`, this is the output from above for the boot process. Especially note whether a UDEV block takes a long amount of time to appear, or doesn't appear at all.