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Add workaround for Linux guest startup hangs seen with -kernel-kqemu

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on stable/8 amd64.
This commit is contained in:
Juergen Lock 2010-01-30 17:04:34 +00:00
parent 66d6245dbe
commit 44c9d661ba
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=248850
2 changed files with 26 additions and 1 deletions
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2
emulators/kqemu-kmod-devel/Makefile
View file

@ -7,7 +7,7 @@
PORTNAME= kqemu
PORTVERSION= 1.4.0.p1
PORTREVISION= 3
PORTREVISION= 4
CATEGORIES= emulators kld
MASTER_SITES= http://bellard.org/qemu/ \
http://qemu.org/ \

25
emulators/kqemu-kmod-devel/files/patch-kqemu-timeout Normal file
View file

@ -0,0 +1,25 @@
Index: common/kernel.c
@@ -1079,6 +1079,10 @@ long kqemu_exec(struct kqemu_state *s)
uint16_t saved_ds, saved_es;
unsigned long fs_base, gs_base;
#endif
+#if defined(__FreeBSD__)
+ extern int ticks;
+ int tstart = ticks;
+#endif
#ifdef PROFILE
s->nb_profile_ts = 0;
@@ -1252,7 +1256,11 @@ long kqemu_exec(struct kqemu_state *s)
/* if interrupting user code, we schedule to give time
to the other processes. We can be interrupted by a
signal a that case. */
- if (kqemu_schedule()) {
+ if (kqemu_schedule()
+#if defined(__FreeBSD__)
+ || ticks - tstart > 1
+#endif
+ ) {
restore_cpu_state_from_regs(s, r);
ret = KQEMU_RET_INTR;
break;