patch-debug2.patch

diff --git a/xen/arch/x86/hvm/dm.c b/xen/arch/x86/hvm/dm.c
index d6d0e8be89..6b15b805f8 100644
--- a/xen/arch/x86/hvm/dm.c
+++ b/xen/arch/x86/hvm/dm.c
@@ -647,6 +647,8 @@ static int dm_op(const struct dmop_args *op_args)
         const struct xen_dm_op_remote_shutdown *data =
             &op.u.remote_shutdown;
 
+        gprintk(XENLOG_DEBUG, "XEN_DMOP_remote_shutdown domain %d reason %d\n",
+                 d->domain_id, data->reason);
         domain_shutdown(d, data->reason);
         rc = 0;
         break;
diff --git a/xen/arch/x86/hvm/io.c b/xen/arch/x86/hvm/io.c
index a5b0a23f06..991bcc8972 100644
--- a/xen/arch/x86/hvm/io.c
+++ b/xen/arch/x86/hvm/io.c
@@ -140,6 +140,11 @@ bool handle_pio(uint16_t port, unsigned int size, int dir)
     if ( dir == IOREQ_WRITE )
         data = guest_cpu_user_regs()->eax;
 
+    if (port == 0xb004)
+        gprintk(XENLOG_DEBUG, "handle_pio port %#x %s 0x%0*lx\n",
+                port,
+                dir == IOREQ_WRITE ? "write" : "read",
+                size*2, (dir == IOREQ_WRITE?data:0) & ((1ul << (size * 8)) - 1));
     rc = hvmemul_do_pio_buffer(port, size, dir, &data);
 
     if ( hvm_ioreq_needs_completion(&vio->io_req) )
diff --git a/xen/common/domctl.c b/xen/common/domctl.c
index 03d0226039..fcd01b234c 100644
--- a/xen/common/domctl.c
+++ b/xen/common/domctl.c
@@ -581,9 +581,15 @@ long do_domctl(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
         break;
 
     case XEN_DOMCTL_destroydomain:
+        gprintk(XENLOG_DEBUG, "XEN_DOMCTL_destroydomain domain %d\n",
+                 d->domain_id);
         domctl_lock_release();
         domain_lock(d);
+        gprintk(XENLOG_DEBUG, "XEN_DOMCTL_destroydomain domain %d got domain_lock\n",
+                 d->domain_id);
         ret = domain_kill(d);
+        gprintk(XENLOG_DEBUG, "XEN_DOMCTL_destroydomain domain %d ret %ld\n",
+                 d->domain_id, ret);
         domain_unlock(d);
         if ( ret == -ERESTART )
             ret = hypercall_create_continuation(
diff --git a/xen/common/schedule.c b/xen/common/schedule.c
index 54a07ff9e8..7b43d9bcd4 100644
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -1637,6 +1637,8 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
         if ( copy_from_guest(&sched_shutdown, arg, 1) )
             break;
 
+        gprintk(XENLOG_DEBUG, "SCHEDOP_shutdown vcpu_id %d reason %d\n",
+                 current->vcpu_id, sched_shutdown.reason);
         TRACE_3D(TRC_SCHED_SHUTDOWN,
                  current->domain->domain_id, current->vcpu_id,
                  sched_shutdown.reason);
@@ -1654,6 +1656,8 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
         if ( copy_from_guest(&sched_shutdown, arg, 1) )
             break;
 
+        gprintk(XENLOG_DEBUG, "SCHEDOP_shutdown_code vcpu_id %d reason %d\n",
+                 current->vcpu_id, sched_shutdown.reason);
         TRACE_3D(TRC_SCHED_SHUTDOWN_CODE,
                  d->domain_id, current->vcpu_id, sched_shutdown.reason);
 
@@ -1693,6 +1697,8 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
         if ( d == NULL )
             break;
 
+        gprintk(XENLOG_DEBUG, "SCHEDOP_remote_shutdown domain %d reason %d\n",
+                 d->domain_id, sched_remote_shutdown.reason);
         ret = xsm_schedop_shutdown(XSM_DM_PRIV, current->domain, d);
         if ( likely(!ret) )
             domain_shutdown(d, sched_remote_shutdown.reason);