Semi-working patch for amd64 suspend/resume

Alexander Motin mav at FreeBSD.org
Tue Dec 2 13:37:29 PST 2008


John Baldwin wrote:
> Oh, it's getting a new counter on each resume.  That is a bug.  Ah, I think 
> the AP's are using lapic_setup(1) when they should be using lapic_setup(0) 
> during a resume.

Thanks. With this LAPIC works better:
--- mp_machdep.c.prev2  2008-12-02 23:33:10.000000000 +0200
+++ mp_machdep.c        2008-12-02 23:26:23.000000000 +0200
@@ -1127,7 +1127,7 @@ cpususpend_handler(void)
                 atomic_set_int(&stopped_cpus, cpumask);
         } else {
                 /* Set up local APIC again. */
-               lapic_setup(1);
+               lapic_setup(0);
         }

         while (!(started_cpus & cpumask))

But statistic problem is still here:
# ps ax
   PID  TT  STAT      TIME COMMAND
  1429  ??  Ss   282031:03,98 icewm

-- 
Alexander Motin


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