Date: Fri, 13 Feb 1998 11:07:30 +1100 From: Bruce Evans <bde@zeta.org.au> To: current@FreeBSD.ORG Cc: dyson@FreeBSD.ORG Subject: panic in vm_pager_has_page() Message-ID: <199802130007.LAA14327@godzilla.zeta.org.au>
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This seems to fix the panic in vm_pager_has_page() when nfs file systems
are forcibly unmounted by `umount -Af -t nfs'. (pagertab[OBJT_DEAD] is
invalid.)
Bruce
diff -c2 src/sys/vm/vm_fault.c~ src/sys/vm/vm_fault.c
*** src/sys/vm/vm_fault.c~ Tue Feb 10 05:17:46 1998
--- src/sys/vm/vm_fault.c Tue Feb 10 05:17:47 1998
***************
*** 290,294 ****
while (TRUE) {
! if (object->flags & OBJ_DEAD) {
UNLOCK_AND_DEALLOCATE;
return (KERN_PROTECTION_FAILURE);
--- 290,294 ----
while (TRUE) {
! if (object->flags & OBJ_DEAD || object->type == OBJT_DEAD) {
UNLOCK_AND_DEALLOCATE;
return (KERN_PROTECTION_FAILURE);
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