Oh, here's /var/log/syslog from unplugging and replugging in my camera. I Ctrl-C killed pcscd after it went to 100% each time.
pcscd segfaulted. Mar 4 12:04:11 mawhrin-skel pcscd: debuglog.c:289:DebugLogSetLevel() debug level=debug Mar 4 12:04:13 mawhrin-skel kernel: [14604.513268] usb 3-1: USB disconnect, device number 6 Mar 4 12:04:13 mawhrin-skel systemd[1]: Reloading Laptop Mode Tools. Mar 4 12:04:13 mawhrin-skel systemd[1]: Reloaded Laptop Mode Tools. Mar 4 12:04:13 mawhrin-skel laptop-mode: Laptop mode Mar 4 12:04:13 mawhrin-skel laptop_mode[17937]: Laptop mode Mar 4 12:04:13 mawhrin-skel laptop-mode: enabled, not active [unchanged] Mar 4 12:04:13 mawhrin-skel laptop_mode[17937]: enabled, not active [unchanged] Mar 4 12:04:53 mawhrin-skel systemd[1]: Starting Laptop Mode Tools - Battery Polling Service... Mar 4 12:04:53 mawhrin-skel systemd[1]: Reloading Laptop Mode Tools. Mar 4 12:04:53 mawhrin-skel systemd[1]: Started Laptop Mode Tools - Battery Polling Service. Mar 4 12:04:53 mawhrin-skel laptop-mode: Laptop mode Mar 4 12:04:53 mawhrin-skel laptop_mode[17997]: Laptop mode Mar 4 12:04:53 mawhrin-skel laptop-mode: enabled, not active [unchanged] Mar 4 12:04:53 mawhrin-skel laptop_mode[17997]: enabled, not active [unchanged] Mar 4 12:04:53 mawhrin-skel systemd[1]: Reloaded Laptop Mode Tools. Mar 4 12:05:01 mawhrin-skel CRON[18049]: (root) CMD ([ -x /usr/sbin/dma ] && /usr/sbin/dma -q1) Mar 4 12:05:17 mawhrin-skel kernel: [14668.018203] pcscd[17921]: segfault at 7f447696064c ip 00007f447696064c sp 00007f447694fed0 error 14 in libc-2.21.so[7f4476d85000+1c0000] Mar 4 12:05:20 mawhrin-skel pcscd: debuglog.c:289:DebugLogSetLevel() debug level=debug Mar 4 12:05:30 mawhrin-skel kernel: [14681.443071] usb 3-1: new high-speed USB device number 7 using xhci_hcd Mar 4 12:05:31 mawhrin-skel kernel: [14681.844167] usb 3-1: New USB device found, idVendor=046d, idProduct=0825 Mar 4 12:05:31 mawhrin-skel kernel: [14681.844175] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=2 Mar 4 12:05:31 mawhrin-skel kernel: [14681.844179] usb 3-1: SerialNumber: DD923C60 Mar 4 12:05:31 mawhrin-skel kernel: [14681.845342] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825) Mar 4 12:05:31 mawhrin-skel kernel: [14681.937806] input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/input/input19 Mar 4 12:05:32 mawhrin-skel kernel: [14683.279489] usb 3-1: set resolution quirk: cval->res = 384 Mar 4 12:05:32 mawhrin-skel mtp-probe: checking bus 3, device 7: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-1" Mar 4 12:05:32 mawhrin-skel mtp-probe: bus: 3, device: 7 was not an MTP device Mar 4 12:05:32 mawhrin-skel systemd[1]: Reloading Laptop Mode Tools. Mar 4 12:05:32 mawhrin-skel systemd[1]: Reloaded Laptop Mode Tools. Mar 4 12:05:32 mawhrin-skel systemd[1]: message repeated 3 times: [ Reloaded Laptop Mode Tools.] Mar 4 12:05:32 mawhrin-skel systemd-udevd[18064]: Process '/usr/sbin/alsactl -E HOME=/run/alsa restore 1' failed with exit code 99. Mar 4 12:05:32 mawhrin-skel laptop-mode: Laptop mode Mar 4 12:05:32 mawhrin-skel laptop_mode[18067]: Laptop mode Mar 4 12:05:32 mawhrin-skel laptop-mode: enabled, not active [unchanged] Mar 4 12:05:32 mawhrin-skel laptop_mode[18067]: enabled, not active [unchanged] Mar 4 12:05:32 mawhrin-skel pulseaudio[6720]: [pulseaudio] source.c: Default and alternate sample rates are the same. Mar 4 12:05:32 mawhrin-skel rtkit-daemon[6721]: Supervising 3 threads of 1 processes of 1 users. Mar 4 12:05:32 mawhrin-skel rtkit-daemon[6721]: Successfully made thread 18136 of process 6720 (n/a) owned by '1000' RT at priority 5. Mar 4 12:05:32 mawhrin-skel rtkit-daemon[6721]: Supervising 4 threads of 1 processes of 1 users. Mar 4 12:07:09 mawhrin-skel kernel: [14780.487379] pcscd[18060]: segfault at 7f74fedfa64c ip 00007f74fedfa64c sp 00007f74fede9ed0 error 14 in libc-2.21.so[7f74ff21f000+1c0000] Mar 4 12:07:43 mawhrin-skel systemd[1]: Starting Laptop Mode Tools - Battery Polling Service... Mar 4 12:07:43 mawhrin-skel systemd[1]: Reloading Laptop Mode Tools. Mar 4 12:07:43 mawhrin-skel systemd[1]: Started Laptop Mode Tools - Battery Polling Service. Mar 4 12:07:43 mawhrin-skel laptop-mode: Laptop mode Mar 4 12:07:43 mawhrin-skel laptop_mode[18161]: Laptop mode Mar 4 12:07:43 mawhrin-skel laptop-mode: enabled, not active [unchanged] Mar 4 12:07:43 mawhrin-skel laptop_mode[18161]: enabled, not active [unchanged] Mar 4 12:07:43 mawhrin-skel systemd[1]: Reloaded Laptop Mode Tools. -- 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
