panic: sx lock still held
cpuid = 0
time = 2435
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024514750
vpanic() at vpanic+0x1e0/frame 0xfffffe00245147b0
panic() at panic+0x43/frame 0xfffffe0024514810
sx_destroy() at sx_destroy+0x5e/frame 0xfffffe0024514830
solisten_proto() at solisten_proto+0xd2/frame 0xfffffe0024514890
tcp6_usr_listen() at tcp6_usr_listen+0x1cc/frame 0xfffffe00245148f0
solisten() at solisten+0x7a/frame 0xfffffe0024514930
kern_listen() at kern_listen+0x125/frame 0xfffffe0024514970
ia32_syscall() at ia32_syscall+0x46a/frame 0xfffffe0024514ab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142e3e
KDB: enter: panic
[ thread pid 5580 tid 100912 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why