Fill out above information andin all cases attach yourklippy.logfile (use zip to compress it, if too big). Pasting yourprinter.cfgis not needed Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there
Your log indicate that before “Timer too close” there something bad happened with some device
‘Got error -1 in write: (11)Resource temporarily unavailable’
Most probably it’s your serial connection just disappeared because of some reason (USB detached, MCU went offline, some other fault, etc …).
Next time when this will happened login to your board via ssh and execute dmesg command and analyze/provide it’s output, last records probably will indicate some changes in hardware.