panic: Most recently used by tty cpuid = 0 time = 100 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024ba8690 vpanic() at vpanic+0x1e0/frame 0xfffffe0024ba86f0 panic() at panic+0x43/frame 0xfffffe0024ba8750 mtrash_ctor() at mtrash_ctor+0xed/frame 0xfffffe0024ba8790 uma_zalloc_arg() at uma_zalloc_arg+0x1036/frame 0xfffffe0024ba8840 malloc() at malloc+0xe1/frame 0xfffffe0024ba88b0 tty_alloc_mutex() at tty_alloc_mutex+0x22c/frame 0xfffffe0024ba88e0 pts_alloc() at pts_alloc+0x179/frame 0xfffffe0024ba8930 sys_posix_openpt() at sys_posix_openpt+0x94/frame 0xfffffe0024ba8970 ia32_syscall() at ia32_syscall+0x452/frame 0xfffffe0024ba8ab0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xa KDB: enter: panic [ thread pid 2923 tid 100932 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why