Ubuntu + PrtSc + AltGr = CRASH
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On Ubuntu 15.10 and 15.04 on Lenovo t440p when I'm writing a code in Netbeans and accidently click button AltGr and PrtSc on same time it's crashed and reboot system. This not take action with fresh installed Ubuntu. This is backtrace from syslog: Feb 5 19:47:43 mycomputername kernel: [ 15.485327] sysrq: SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(V) show-blocked-tasks(w) dump-ftrace-buffer(z) Feb 5 19:47:44 mycomputername kernel: [ 16.966879] sysrq: SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e)