From owner-freebsd-current Tue Apr 16 17:55:41 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA21733 for current-outgoing; Tue, 16 Apr 1996 17:55:41 -0700 (PDT) Received: from forgery.CS.Berkeley.EDU (forgery.CS.Berkeley.EDU [128.32.33.75]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id RAA21728 for ; Tue, 16 Apr 1996 17:55:38 -0700 (PDT) Received: (from asami@localhost) by forgery.CS.Berkeley.EDU (8.6.11/8.6.9) id RAA23297; Tue, 16 Apr 1996 17:55:27 -0700 Date: Tue, 16 Apr 1996 17:55:27 -0700 Message-Id: <199604170055.RAA23297@forgery.CS.Berkeley.EDU> To: current@freebsd.org Subject: -current kernel crashes under heavy load From: asami@cs.berkeley.edu (Satoshi Asami) Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk I've got yesterday's -current crash repeatedly (well, three times) under heavy load. We had an array (ccd) of 12 disks and were running 16 random read tests simultaneously. They are all in the same place: === ## gdb -k kernel.4 vmcore.4 GDB is free software and you are welcome to distribute copies of it under certain conditions; type "show copying" to see the conditions. There is absolutely no warranty for GDB; type "show warranty" for details. GDB 4.13 (i386-unknown-freebsd), Copyright 1994 Free Software Foundation, Inc...(no debugging symbols found)... IdlePTD 1f0000 current pcb at 1e5230 panic: page fault #0 0xf01ad6bf in boot () (kgdb) bt #0 0xf01ad6bf in boot () #1 0xf0117316 in panic () #2 0xf01b5516 in trap_fatal () #3 0xf01b5008 in trap_pfault () #4 0xf01b4ceb in trap () #5 0xf01aaf01 in calltrap () #6 0xf01a2c3a in vm_map_delete () <========== #7 0xf01a2cc4 in vm_map_remove () #8 0xf010cd16 in exit1 () #9 0xf0113086 in sigexit () #10 0xf0112e98 in postsig () #11 0xf01b5870 in syscall () #12 0xf01aaf55 in Xsyscall () Cannot access memory at address 0xefbfca70. === Satoshi