qemu booting amd64 fbsd

[Kostik Belousov]

On Sun, Feb 15, 2009 at 10:43:04PM +0100, Roman Divacky wrote:
> hi
> 
> I am trying to boot fbsd at amd64 7.1R in qemu-0.9.1_11 but it panics
> early in the boot. usually. sometimes it gets upto the root mounting
> but then hangs...
> 
> am I doing something wrong or is this just broken?
> 
> is there any other (reliable) way how to boot amd64 fbsd in sw?

I use the patch below for the long time. Not sure whether this is your
case.

--- cpu-exec.c.orig	2008-02-16 18:23:53.134009488 +0200
+++ cpu-exec.c	2008-02-16 18:24:47.127662872 +0200
@@ -452,13 +452,15 @@
                         svm_check_intercept(SVM_EXIT_INTR);
                         env->interrupt_request &= ~(CPU_INTERRUPT_HARD | CPU_INTERRUPT_VIRQ);
                         intno = cpu_get_pic_interrupt(env);
-                        if (loglevel & CPU_LOG_TB_IN_ASM) {
-                            fprintf(logfile, "Servicing hardware INT=0x%02x\n", intno);
-                        }
-                        do_interrupt(intno, 0, 0, 0, 1);
-                        /* ensure that no TB jump will be modified as
-                           the program flow was changed */
-                        BREAK_CHAIN;
+			if (intno != -1) {
+				if (loglevel & CPU_LOG_TB_IN_ASM) {
+				    fprintf(logfile, "Servicing hardware INT=0x%02x\n", intno);
+				}
+				do_interrupt(intno, 0, 0, 0, 1);
+				/* ensure that no TB jump will be modified as
+				   the program flow was changed */
+				BREAK_CHAIN;
+			}
 #if !defined(CONFIG_USER_ONLY)
                     } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) &&
                         (env->eflags & IF_MASK) && !(env->hflags & HF_INHIBIT_IRQ_MASK)) {
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