Remote debugging using :1234
0xc10080e1 in stack_handoff (old=0xf5c002a0, new=0xf5e1ad28) at ../i386/i386/pcb.c:254
254		int		mycpu = cpu_number();
(gdb) bt
#0  0xc10080e1 in stack_handoff (old=0xf5c002a0, new=0xf5e1ad28) at ../i386/i386/pcb.c:254
#1  0xc102f7fc in thread_invoke (new_thread=<optimized out>, continuation=<optimized out>, old_thread=<optimized out>) at ../kern/sched_prim.c:678
#2  thread_invoke (old_thread=0xf5c002a0, continuation=0xc1007120 <thread_exception_return>, new_thread=0xf5e1ad28) at ../kern/sched_prim.c:627
#3  0xc103003c in thread_block (continuation=0xc1007120 <thread_exception_return>) at ../kern/sched_prim.c:893
#4  0xc1023e81 in ast_taken () at ../kern/ast.c:111
#5  0xc1009553 in i386_astintr () at ../i386/i386/trap.c:582
#6  0xc10070c5 in _return_from_trap () at ../i386/i386/locore.S:513
(gdb) info threads
  Id   Target Id                    Frame
* 1    Thread 1.1 (CPU#0 [running]) 0xc10080e1 in stack_handoff (old=0xf5c002a0, new=0xf5e1ad28) at ../i386/i386/pcb.c:254
  2    Thread 1.2 (CPU#1 [halted ]) 0xc10000e1 in machine_idle (cpu=1) at ../i386/i386at/model_dep.c:216
(gdb) p (((struct thread*) 0xf5c002a0) ->state) & 4
$1 = 4
(gdb) p (((struct thread*) 0xf5e1ae78) ->state) & 4
$2 = 0
(gdb) p (((struct thread*) 0xf5c002a0) ->state) & 4
$3 = 4
(gdb) p (((struct thread*) 0xf5c00000) ->state) & 4
$4 = 0
(gdb) n
260		fpu_save_context(old);
(gdb) n
268		if ((old_task = old->task) != (new_task = new->task)) {
(gdb) n
292		switch_ktss(new->pcb);
(gdb) n
297		stack = current_stack();
(gdb) n
298		old->kernel_stack = 0;
(gdb) n
299		new->kernel_stack = stack;
(gdb) n
300		active_threads[mycpu] = new;
(gdb) n
307		STACK_IEL(stack)->saved_state = USER_REGS(new);
(gdb) n
thread_invoke (new_thread=<optimized out>, continuation=<optimized out>, old_thread=<optimized out>) at ../kern/sched_prim.c:689
689			    thread_lock(old_thread);
(gdb) bt
#0  thread_invoke (new_thread=<optimized out>, continuation=<optimized out>, old_thread=<optimized out>) at ../kern/sched_prim.c:689
#1  thread_invoke (old_thread=0xf5c002a0, continuation=0xc1007120 <thread_exception_return>, new_thread=0xf5e1ad28) at ../kern/sched_prim.c:627
#2  0xc103003c in thread_block (continuation=0xc1007120 <thread_exception_return>) at ../kern/sched_prim.c:893
#3  0xc1023e81 in ast_taken () at ../kern/ast.c:111
#4  0xc1009553 in i386_astintr () at ../i386/i386/trap.c:582
#5  0xc10070c5 in _return_from_trap () at ../i386/i386/locore.S:513
(gdb) p default_pset.runq
$5 = {runq = {{next = 0xc1217a60 <default_pset>, prev = 0xc1217a60 <default_pset>}, {next = 0xc1217a68 <default_pset+8>,
      prev = 0xc1217a68 <default_pset+8>}, {next = 0xc1217a70 <default_pset+16>, prev = 0xc1217a70 <default_pset+16>}, {
      next = 0xc1217a78 <default_pset+24>, prev = 0xc1217a78 <default_pset+24>}, {next = 0xc1217a80 <default_pset+32>,
      prev = 0xc1217a80 <default_pset+32>}, {next = 0xc1217a88 <default_pset+40>, prev = 0xc1217a88 <default_pset+40>}, {
      next = 0xc1217a90 <default_pset+48>, prev = 0xc1217a90 <default_pset+48>}, {next = 0xc1217a98 <default_pset+56>,
      prev = 0xc1217a98 <default_pset+56>}, {next = 0xc1217aa0 <default_pset+64>, prev = 0xc1217aa0 <default_pset+64>}, {
      next = 0xc1217aa8 <default_pset+72>, prev = 0xc1217aa8 <default_pset+72>}, {next = 0xc1217ab0 <default_pset+80>,
      prev = 0xc1217ab0 <default_pset+80>}, {next = 0xc1217ab8 <default_pset+88>, prev = 0xc1217ab8 <default_pset+88>}, {
      next = 0xc1217ac0 <default_pset+96>, prev = 0xc1217ac0 <default_pset+96>}, {next = 0xc1217ac8 <default_pset+104>,
      prev = 0xc1217ac8 <default_pset+104>}, {next = 0xc1217ad0 <default_pset+112>, prev = 0xc1217ad0 <default_pset+112>}, {
      next = 0xc1217ad8 <default_pset+120>, prev = 0xc1217ad8 <default_pset+120>}, {next = 0xc1217ae0 <default_pset+128>,
      prev = 0xc1217ae0 <default_pset+128>}, {next = 0xc1217ae8 <default_pset+136>, prev = 0xc1217ae8 <default_pset+136>}, {
      next = 0xc1217af0 <default_pset+144>, prev = 0xc1217af0 <default_pset+144>}, {next = 0xc1217af8 <default_pset+152>,
      prev = 0xc1217af8 <default_pset+152>}, {next = 0xc1217b00 <default_pset+160>, prev = 0xc1217b00 <default_pset+160>}, {
      next = 0xc1217b08 <default_pset+168>, prev = 0xc1217b08 <default_pset+168>}, {next = 0xc1217b10 <default_pset+176>,
      prev = 0xc1217b10 <default_pset+176>}, {next = 0xc1217b18 <default_pset+184>, prev = 0xc1217b18 <default_pset+184>}, {
      next = 0xc1217b20 <default_pset+192>, prev = 0xc1217b20 <default_pset+192>}, {next = 0xc1217b28 <default_pset+200>,
      prev = 0xc1217b28 <default_pset+200>}, {next = 0xc1217b30 <default_pset+208>, prev = 0xc1217b30 <default_pset+208>}, {
      next = 0xc1217b38 <default_pset+216>, prev = 0xc1217b38 <default_pset+216>}, {next = 0xc1217b40 <default_pset+224>,
      prev = 0xc1217b40 <default_pset+224>}, {next = 0xc1217b48 <default_pset+232>, prev = 0xc1217b48 <default_pset+232>}, {
      next = 0xc1217b50 <default_pset+240>, prev = 0xc1217b50 <default_pset+240>}, {next = 0xc1217b58 <default_pset+248>,
      prev = 0xc1217b58 <default_pset+248>}, {next = 0xc1217b60 <default_pset+256>, prev = 0xc1217b60 <default_pset+256>}, {
      next = 0xc1217b68 <default_pset+264>, prev = 0xc1217b68 <default_pset+264>}, {next = 0xc1217b70 <default_pset+272>,
      prev = 0xc1217b70 <default_pset+272>}, {next = 0xc1217b78 <default_pset+280>, prev = 0xc1217b78 <default_pset+280>}, {
      next = 0xc1217b80 <default_pset+288>, prev = 0xc1217b80 <default_pset+288>}, {next = 0xc1217b88 <default_pset+296>,
      prev = 0xc1217b88 <default_pset+296>}, {next = 0xc1217b90 <default_pset+304>, prev = 0xc1217b90 <default_pset+304>}, {
      next = 0xc1217b98 <default_pset+312>, prev = 0xc1217b98 <default_pset+312>}, {next = 0xc1217ba0 <default_pset+320>,
      prev = 0xc1217ba0 <default_pset+320>}, {next = 0xc1217ba8 <default_pset+328>, prev = 0xc1217ba8 <default_pset+328>}, {
      next = 0xc1217bb0 <default_pset+336>, prev = 0xc1217bb0 <default_pset+336>}, {next = 0xc1217bb8 <default_pset+344>,
      prev = 0xc1217bb8 <default_pset+344>}, {next = 0xc1217bc0 <default_pset+352>, prev = 0xc1217bc0 <default_pset+352>}, {
      next = 0xc1217bc8 <default_pset+360>, prev = 0xc1217bc8 <default_pset+360>}, {next = 0xc1217bd0 <default_pset+368>,
      prev = 0xc1217bd0 <default_pset+368>}, {next = 0xc1217bd8 <default_pset+376>, prev = 0xc1217bd8 <default_pset+376>}, {
      next = 0xc1217be0 <default_pset+384>, prev = 0xc1217be0 <default_pset+384>}, {next = 0xc1217be8 <default_pset+392>,
      prev = 0xc1217be8 <default_pset+392>}, {next = 0xc1217bf0 <default_pset+400>, prev = 0xc1217bf0 <default_pset+400>}, {
      next = 0xc1217bf8 <default_pset+408>, prev = 0xc1217bf8 <default_pset+408>}, {next = 0xc1217c00 <default_pset+416>,
--Type <RET> for more, q to quit, c to continue without paging--
      prev = 0xc1217c00 <default_pset+416>}, {next = 0xc1217c08 <default_pset+424>, prev = 0xc1217c08 <default_pset+424>}, {
      next = 0xc1217c10 <default_pset+432>, prev = 0xc1217c10 <default_pset+432>}, {next = 0xc1217c18 <default_pset+440>,
      prev = 0xc1217c18 <default_pset+440>}, {next = 0xc1217c20 <default_pset+448>, prev = 0xc1217c20 <default_pset+448>}, {
      next = 0xc1217c28 <default_pset+456>, prev = 0xc1217c28 <default_pset+456>}, {next = 0xc1217c30 <default_pset+464>,
      prev = 0xc1217c30 <default_pset+464>}, {next = 0xc1217c38 <default_pset+472>, prev = 0xc1217c38 <default_pset+472>}, {
      next = 0xc1217c40 <default_pset+480>, prev = 0xc1217c40 <default_pset+480>}, {next = 0xc1217c48 <default_pset+488>,
      prev = 0xc1217c48 <default_pset+488>}, {next = 0xc1217c50 <default_pset+496>, prev = 0xc1217c50 <default_pset+496>}, {
      next = 0xc1217c58 <default_pset+504>, prev = 0xc1217c58 <default_pset+504>}}, lock = {lock_data = 0, is_a_simple_lock = {<No data fields>}},
  low = 0, count = 0}