kernel warning at kern/src/event.c:374, from core 1: [kernel] Null ev_q - kernel code should check before sending!
Stack Backtrace on Core 1:
#01 [<0xffffffffc200a38c>] in backtrace at src/kdebug.c:229
#02 [<0xffffffffc2009bb4>] in _warn at src/init.c:322
#03 [<0xffffffffc2007732>] in send_event at src/event.c:374
#04 [<0xffffffffc2056a45>] in sys_send_event at src/syscall.c:1439
#05 [<0xffffffffc205a019>] in syscall at src/syscall.c:2465
#06 [<0xffffffffc205a1f8>] in run_local_syscall at src/syscall.c:2500
#07 [<0xffffffffc205a739>] in prep_syscalls at src/syscall.c:2520
#08 [<0xffffffffc20abee2>] in sysenter_callwrapper at arch/x86/trap.c:854
[kernel] Vcoreid 2147483647 unsafe! (too big?)
[kernel] Vcoreid 256 unsafe! (too big?)
[kernel] Vcoreid -32769 unsafe! (too big?)
[kernel] Unknown mbox type 274929956!
[kernel] Unknown mbox type 66728965!
[kernel] Unknown mbox type 1262052357!
kernel warning at kern/src/event.c:374, from core 1: [kernel] Null ev_q - kernel code should check before sending!
Stack Backtrace on Core 1:
#01 [<0xffffffffc200a38c>] in backtrace at src/kdebug.c:229
#02 [<0xffffffffc2009bb4>] in _warn at src/init.c:322
#03 [<0xffffffffc2007732>] in send_event at src/event.c:374
#04 [<0xffffffffc2056a45>] in sys_send_event at src/syscall.c:1439
#05 [<0xffffffffc205a019>] in syscall at src/syscall.c:2465
#06 [<0xffffffffc205a1f8>] in run_local_syscall at src/syscall.c:2500
#07 [<0xffffffffc205a739>] in prep_syscalls at src/syscall.c:2520
#08 [<0xffffffffc20abee2>] in sysenter_callwrapper at arch/x86/trap.c:854