Found these errors in dmeg and /var/spool/crash
# grep -ri touch /var/spool/crash/
/var/spool/crash/minijail0.20190122.215346.1634.proclog:cmdline: minijail0 -S /opt/google/touch/policies/wacom_flash.query.policy /usr/sbin/wacom_flash dummy_unused_argument -a i2c-2
Binary file /var/spool/crash/minijail0.20190122.215346.1634.dmp matches
Binary file /var/spool/crash/minijail0.20190122.215346.1417.dmp matches
/var/spool/crash/minijail0.20190122.215346.1417.proclog:cmdline: minijail0 -S /opt/google/touch/policies/wacom_flash.query.policy /usr/sbin/wacom_flash dummy_unused_argument -a i2c-2
Binary file /var/spool/crash/minijail0.20190122.215346.1634.core matches
Binary file /var/spool/crash/minijail0.20190122.215346.1417.core matches
# dmesg | grep -i touch
[ 1.296800] udevd[239]: Process '/sbin/minijail0 -u touch_firmware_calibration -g input -S /usr/share/policy/override-max-pressure-seccomp.policy -n /lib/udev/override-max-pressure --device=event4 --maxpressure=1700' terminated by signal ABRT
How to repro:
Flash a kevin device using the kevin64 image (https://cros-goldeneye.corp.google.com/chromeos/legoland/builderHistory?buildConfig=kevin64-release&buildBranch=master).