mapbench with more than one thread seems to frequently hang on josmp and…

mapbench with more than one thread seems to frequently hang on josmp and eventually cause a kernel panic..

mapbench with more than one thread seems to frequently hang on josmp and…
cd4872b4 · Nickolai Zeldovich · fef8b31e · cd4872b4 · cd4872b4
--- a/console.c
+++ b/console.c
@@ -162,10 +162,10 @@ kerneltrap(struct trapframe *tf)
    kstack = myproc()->kstack;
  }
  __cprintf("kernel trap %u cpu %u\n"
-          "  tf: rip %p rsp %p cr2 %p\n"
+          "  tf: rip %p rsp %p cr2 %p cs %p\n"
          "  proc: name %s pid %u kstack %p\n",
          tf->trapno, mycpu()->id, 
-          tf->rip, tf->rsp, rcr2(),
+          tf->rip, tf->rsp, rcr2(), tf->cs,
          name, pid, kstack);
  printtrace(tf->rbp);


--- a/mapbench.c
+++ b/mapbench.c
@@ -51,7 +51,7 @@ main(int ac, char **av)
  int nthread = atoi(av[1]);

  acquire(&l);
-  printf(1, "mapbench[%d]: start esp %x, nthread=%d\n", getpid(), rrsp(), nthread);
+  // printf(1, "mapbench[%d]: start esp %x, nthread=%d\n", getpid(), rrsp(), nthread);

  for(int i = 0; i < nthread; i++) {
    sbrk(8192);
@@ -72,7 +72,7 @@ main(int ac, char **av)
    acquire(&l);
  }
  release(&l);
-  printf(1, "mapbench[%d]: done\n", getpid());
+  // printf(1, "mapbench[%d]: done\n", getpid());

  for(int i = 0; i < nthread; i++)
    wait();