From owner-freebsd-bugs Sat Mar 16 11:20:04 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id LAA25085 for bugs-outgoing; Sat, 16 Mar 1996 11:20:04 -0800 (PST) Received: (from gnats@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id LAA25048 Sat, 16 Mar 1996 11:20:02 -0800 (PST) Resent-Date: Sat, 16 Mar 1996 11:20:02 -0800 (PST) Resent-Message-Id: <199603161920.LAA25048@freefall.freebsd.org> Resent-From: gnats (GNATS Management) Resent-To: freebsd-bugs Resent-Reply-To: FreeBSD-gnats@freefall.FreeBSD.org, scrappy@ki.net Received: from ki.net (root@ki.net [142.77.249.8]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id LAA24974 for ; Sat, 16 Mar 1996 11:18:28 -0800 (PST) Received: (from scrappy@localhost) by ki.net (8.7.4/8.7.4) id OAA00769; Sat, 16 Mar 1996 14:16:54 -0500 (EST) Message-Id: <199603161916.OAA00769@ki.net> Date: Sat, 16 Mar 1996 14:16:54 -0500 (EST) From: "Marc G. Fournier" Reply-To: scrappy@ki.net To: FreeBSD-gnats-submit@freebsd.org X-Send-Pr-Version: 3.2 Subject: kern/1080: Panic @ _get_pt_entry+0x8 Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >Number: 1080 >Category: kern >Synopsis: Panic @ _get_pt_entry+0x8 >Confidential: yes >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Mar 16 11:20:01 PST 1996 >Last-Modified: >Originator: Marc G. Fournier >Organization: >Release: FreeBSD 2.1-STABLE i386 >Environment: FreeBSD 2.1-STABLE #2: Sun Mar 10 02:37:25 EST 1996 root@:/usr/src/sys/compile/kinet CPU: i486 DX4 (486-class CPU) Origin = "GenuineIntel" Id = 0x480 Stepping=0 Features=0x3 real memory = 16777216 (16384K bytes) avail memory = 14692352 (14348K bytes) Probing for devices on PCI bus 0: chip0 rev 49 on pci0:5 ncr0 rev 2 int a irq 12 on pci0:11 ncr0 waiting for scsi devices to settle (ncr0:0:0): "CONNER CFP1060S 1.05GB 243F" type 0 fixed SCSI 2 sd0(ncr0:0:0): Direct-Access sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 1013MB (2074880 512 byte sectors) (ncr0:1:0): "QUANTUM LPS340S 020B" type 0 fixed SCSI 2 sd1(ncr0:1:0): Direct-Access sd1(ncr0:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 327MB (670506 512 byte sectors) (ncr0:2:0): "QUANTUM LP240S GM240S01X 4.6" type 0 fixed SCSI 2 sd2(ncr0:2:0): Direct-Access sd2(ncr0:2:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 234MB (479350 512 byte sectors) (ncr0:3:0): "CONNER CFA540S 13B0" type 0 fixed SCSI 2 sd3(ncr0:3:0): Direct-Access sd3(ncr0:3:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 515MB (1056708 512 byte sectors) vga0 rev 0 on pci0:15 Probing for devices on the ISA bus: ed0 at 0x280-0x29f irq 5 maddr 0xd8000 msize 16384 on isa ed0: address 00:00:c0:86:44:79, type WD8013EPC (16 bit) vt0 at 0x60-0x6f irq 1 on motherboard vt0: generic, 80 col, color, 8 scr, mf2-kbd, [R3.20-b24] sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in aha0 not found at 0x330 ep0 not found at 0x300 npx0 on motherboard npx0: INT 16 interface >Description: Currently unable to get a core dump out of either a -stable or a -current kernel. Following is DDB informatin at panic: Fatal Trap 12: page fault while in kernel mode fault virtual address = 0xf48ddefc fault code = supervisor read, page not present instruction pointer = 0x8:0xf019ac7c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 11484 (batcher) interrupt mask = net tty bio kernel: type 12, code=0 Stopped at _get_pt_entry+0x8: movl 0xefc(%eax),%edx >How-To-Repeat: >Fix: >Audit-Trail: >Unformatted: >trace _get_pt_entry(f0858bbc,b85000,c,f023c540,0) at get_pt_entry+0x8 _pmap_remove_all ..... at +0x9c _pmap_page_protect ... at +0x176 _pmap_remove ......... at +0x386 _vm_map_delete ....... at +0xfc _vm_map_remove ....... at +0x60 _exit1 ............... at +0xbb _exit ................ at +0x14 _syscall ............. at +0xf3 _Xsyscall ............ at +0x2b --- syscall 1, eip = 0x80674fd, ebp = 0xefbfccd4