It starts consuming 100% CPU after this: 02341452 hotplug_libudev.c:642:HPEstablishUSBNotifications() USB Device removed 00000217 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00000068 hotplug_libudev.c:642:HPEstablishUSBNotifications() USB Device removed 00000149 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00002713 hotplug_libudev.c:642:HPEstablishUSBNotifications() USB Device removed 00000152 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00020583 hotplug_libudev.c:642:HPEstablishUSBNotifications() USB Device removed 00000143 hotplug_libudev.c:619:HPEstablishUSBNotifications() 02634822 ifdhandler.c:1143:IFDHPowerICC() action: PowerDown, usb:1050/0115:libudev:1:/dev/bus/usb/003/002 (lun: 0) 00000091 eventhandler.c:479:EHStatusHandlerThread() powerState: POWER_STATE_UNPOWERED
or this: 05000574 ifdhandler.c:1143:IFDHPowerICC() action: PowerDown, usb:1050/0115:libudev:1:/dev/bus/usb/003/002 (lun: 0) 00000261 eventhandler.c:479:EHStatusHandlerThread() powerState: POWER_STATE_UNPOWERED 06904552 hotplug_libudev.c:648:HPEstablishUSBNotifications() USB Device add 00000242 hotplug_libudev.c:294:get_driver() Looking for a driver for VID: 0x046D, PID: 0x0825, path: /dev/bus/usb/003/007 00000015 hotplug_libudev.c:414:HPAddDevice() /dev/bus/usb/003/007 is not a supported smart card reader 00000017 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00022668 hotplug_libudev.c:648:HPEstablishUSBNotifications() USB Device add 00000214 hotplug_libudev.c:294:get_driver() Looking for a driver for VID: 0x046D, PID: 0x0825, path: /dev/bus/usb/003/007 00000013 hotplug_libudev.c:414:HPAddDevice() /dev/bus/usb/003/007 is not a supported smart card reader 00000017 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00006048 hotplug_libudev.c:648:HPEstablishUSBNotifications() USB Device add 00000207 hotplug_libudev.c:294:get_driver() Looking for a driver for VID: 0x046D, PID: 0x0825, path: /dev/bus/usb/003/007 00000014 hotplug_libudev.c:414:HPAddDevice() /dev/bus/usb/003/007 is not a supported smart card reader 00000015 hotplug_libudev.c:619:HPEstablishUSBNotifications() 00014614 hotplug_libudev.c:648:HPEstablishUSBNotifications() USB Device add 00000200 hotplug_libudev.c:294:get_driver() Looking for a driver for VID: 0x046D, PID: 0x0825, path: /dev/bus/usb/003/007 00000016 hotplug_libudev.c:414:HPAddDevice() /dev/bus/usb/003/007 is not a supported smart card reader 00000014 hotplug_libudev.c:619:HPEstablishUSBNotifications() Basically, if I plug or unplug a USB device, pcscd immediately starting using 100% CPU. Let me know if there is anything else I can send you to help you debug. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pcsc-lite in Ubuntu. https://bugs.launchpad.net/bugs/1551897 Title: Excessive CPU utilization Status in pcsc-lite package in Ubuntu: New Bug description: In xenial, pcscd CPU utilization occasionally goes haywire: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 27404 root 20 0 384264 4992 2228 S 100.3 0.0 75:39.03 /usr/sbin/pcscd --foreground --auto-exit I get this about once a day since installing xenial. I can't quite connect it to any specific event on the system, it just seems to happen sporadically -- fan turns on, I run top, and there it is again. Never had this issue on same hardware incl. smartcard with trusty. I wonder if it might be this? https://bugs.debian.org/cgi- bin/bugreport.cgi?bug=718473 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pcsc-lite/+bug/1551897/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp