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Sleep 10 seconds before rebooting due to panic() 

To give an opportunity to screencap a panic(), or pause a VM to attach
a debugger.  (Richard Hansen)
This commit is contained in:
christos 2014-01-11 17:07:45 +00:00
parent bf0a60cb4a
commit 71826933a0
1 changed files with 15 additions and 2 deletions
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17
sys/kern/subr_prf.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_prf.c,v 1.150 2013/02/10 11:04:19 apb Exp $ */ /* $NetBSD: subr_prf.c,v 1.151 2014/01/11 17:07:45 christos Exp $ */
/*- /*-
* Copyright (c) 1986, 1988, 1991, 1993 * Copyright (c) 1986, 1988, 1991, 1993
@ -37,7 +37,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_prf.c,v 1.150 2013/02/10 11:04:19 apb Exp $"); __KERNEL_RCSID(0, "$NetBSD: subr_prf.c,v 1.151 2014/01/11 17:07:45 christos Exp $");
#include "opt_ddb.h" #include "opt_ddb.h"
#include "opt_ipkdb.h" #include "opt_ipkdb.h"
@ -281,6 +281,19 @@ vpanic(const char *fmt, va_list ap)
#ifdef DDB #ifdef DDB
db_panic(); db_panic();
#endif #endif
printf("rebooting in");
for (int i = 10; i >= 0; --i) {
printf(" %u", i);
/*
* sleep 10ms 100 times instead of 1s once to give a
* VM hypervisor an opportunity to redraw part of the
* screen during each call
*/
for (int j=0; i && j < 100; ++j) {
DELAY(10000);
}
}
printf("\n");
cpu_reboot(bootopt, NULL); cpu_reboot(bootopt, NULL);
} }