diff --git a/zion/memory/kernel_heap.cpp b/zion/memory/kernel_heap.cpp
index 910a112..8d82df4 100644
--- a/zion/memory/kernel_heap.cpp
+++ b/zion/memory/kernel_heap.cpp
@@ -24,7 +24,8 @@ KernelHeap::KernelHeap(uint64_t lower_bound, uint64_t upper_bound)
 
 void* KernelHeap::Allocate(uint64_t size) {
   if (next_addr_ + size >= upper_bound_) {
-    panic("Kernel Heap Overrun");
+    panic("Kernel Heap Overrun (next, size, max): %m, %x, %m", next_addr_, size,
+          upper_bound_);
   }
 #if K_HEAP_DEBUG
   RecordSize(size);
diff --git a/zion/memory/physical_memory.cpp b/zion/memory/physical_memory.cpp
index c9de6fd..b8c3b01 100644
--- a/zion/memory/physical_memory.cpp
+++ b/zion/memory/physical_memory.cpp
@@ -61,6 +61,9 @@ class PhysicalMemoryManager {
       front_ = front_->next;
       delete temp;
     }
+#if K_PHYS_DEBUG
+    dbgln("Single %m", page);
+#endif
     return page;
   }
   uint64_t AllocateContinuous(uint64_t num_pages) {
@@ -89,6 +92,9 @@ class PhysicalMemoryManager {
       front_ = front_->next;
       delete temp;
     }
+#if K_PHYS_DEBUG
+    dbgln("Continuous %m:%u", page, num_pages);
+#endif
     return page;
   }
   void FreePage(uint64_t page) { AddMemoryRegion(page, 0x1000); }
diff --git a/zion/syscall/syscall.cpp b/zion/syscall/syscall.cpp
index 8d83d11..66e10a0 100644
--- a/zion/syscall/syscall.cpp
+++ b/zion/syscall/syscall.cpp
@@ -138,7 +138,7 @@ z_err_t MemoryObjectCreatePhysical(ZMemoryObjectCreatePhysicalReq* req,
   auto& curr_proc = gScheduler->CurrentProcess();
   uint64_t paddr = req->paddr;
   if (paddr == 0) {
-    paddr = phys_mem::AllocateContinuous((req->size - 1 / 0x1000) + 1);
+    paddr = phys_mem::AllocateContinuous(((req->size - 1) / 0x1000) + 1);
   }
   auto vmmo_ref = MakeRefCounted<FixedMemoryObject>(paddr, req->size);
   resp->vmmo_cap =