On Thu, Jan 18, 2018 at 07:32:11AM -0800, Matthew Wilcox wrote: > > My laptop just died horribly and I'm picking through the pieces. > I'm running Debian testing, and it was kernel 4.13.0-1-amd64 #1 Debian > 4.13.13-1 although now I've rebooted to 4.14.0-2-amd64 #1 SMP Debian > 4.14.7-1 > > It seems that the original cause of the problem was usbfs going mad and > spraying this message all over my log files: > > Jan 18 09:50:24 bobo kernel: [2212381.201087] usb 3-2: usbfs: process 13608 (events) did not claim interface 0 before use > Jan 18 09:50:24 bobo kernel: [2212381.201091] usb 3-2: usbfs: process 13608 (events) did not claim interface 0 before use > Jan 18 09:50:24 bobo kernel: [2212381.201096] usb 3-2: usbfs: process 13608 (events) did not claim interface 0 before use > Jan 18 09:50:24 bobo kernel: [2212381.201101] usb 3-2: usbfs: process 13608 (events) did not claim interface 0 before use That's userspace going "mad" and trying to constantly connect and use your usbfs connection. The program is called "events", you might want to track that down. > (I have 28153585 lines in kern.log and 28149224 of them contain 'usbfs'). > Can this warning be ratelimited, please? Sure, have a patch? > Also, it is not coding style compliant as you cannot grep for "did not > claim interface" due to the line split. You can fix that with the ratelimit patch :) thanks, greg k-h -- 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
