Date: Mon, 28 Apr 1997 10:31:33 +0300 (IDT) From: Mighty Wizard <root@Burka.NetVision.net.il> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/3404: kernel panic Message-ID: <199704280731.KAA00388@Burka.NetVision.net.il> Resent-Message-ID: <199704280740.AAA29126@hub.freebsd.org>
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>Number: 3404 >Category: kern >Synopsis: frequent kernel panics >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 28 00:40:01 PDT 1997 >Last-Modified: >Originator: Mighty Wizard >Organization: NetVision Ltd. >Release: FreeBSD 3.0-CURRENT i386 >Environment: I'm running the latest -current. Here is my kernel config: # # BURKA -- my desktop machine # # $Id: BURKA,v 1.1 1995/01/26 11:38:00 gena Exp $ # machine "i386" cpu "I586_CPU" maxusers 20 ident BURKA options INET #InterNETworking options FFS #Berkeley Fast File System options PROCFS #Process File System options DDB options "COMPAT_43" #Compatible with BSD 4.3 options SYSVSHM options SYSVSEM options SYSVMSG options UCONSOLE #X Console support options USERCONFIG #boot -c editor options VISUAL_USERCONFIG #visual boot -c editor config kernel root on sd0 controller isa0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr disk fd0 at fdc0 drive 0 device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr device npx0 at isa? port "IO_NPX" iosiz 0x0 flags 0x07 irq 13 vector npxintr device sio0 at isa? port "IO_COM1" tty flags 0x00 irq 4 vector siointr device sio1 at isa? port "IO_COM2" tty flags 0x00 irq 3 vector siointr device lpt0 at isa? port? tty irq 7 vector lptintr device ep0 at isa? port 0x300 net irq 10 vector epintr controller pci0 controller ahc1 controller scbus0 device vx0 device sd0 pseudo-device snp 1 #Snoop device - to look at pty/vty/etc.. pseudo-device loop pseudo-device ether pseudo-device log pseudo-device tun 1 pseudo-device pty 16 pseudo-device speaker pseudo-device bpfilter 1 #berkeley packet filter Dmesg output: Copyright (c) 1992-1997 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.0-CURRENT #0: Sun Apr 27 12:29:16 IDT 1997 root@Burka.NetVision.net.il:/usr/src/sys/compile/BURKA CPU: Pentium (90.00-MHz 586-class CPU) Origin = "GenuineIntel" Id = 0x525 Stepping=5 Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8> real memory = 41943040 (40960K bytes) avail memory = 39325696 (38404K bytes) Probing for devices on PCI bus 0: chip0 <SiS 85c501> rev 64 on pci0:0:0 chip1 <SiS 85c503> rev 1 on pci0:1:0 pci0:8: CMD, device=0x0640, class=storage (ide) int a irq 14 [no driver assigned] vga0 <VGA-compatible display device> rev 0 int a irq ?? on pci0:9:0 vx0 <3COM 3C590 Etherlink III PCI> rev 0 int a irq 9 on pci0:11:0 utp[*utp*] address 00:20:af:f7:f2:dd Warning! Defective early revision adapter! ahc0 <Adaptec 2940 SCSI host adapter> rev 0 int a irq 11 on pci0:12:0 ahc0: aic7870 Single Channel, SCSI Id=7, 16 SCBs scbus0 at ahc0 bus 0 sd0 at scbus0 target 0 lun 0 sd0: <HP C3725S 4299> type 0 fixed SCSI 2 sd0: Direct-Access 2069MB (4238836 512 byte sectors) Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> 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 1 3C5x9 board(s) on ISA found at 0x300 ep0 at 0x300-0x30f irq 10 on isa ep0: utp[*UTP*] address 00:60:97:23:a2:8b npx0 flags 0x7 on motherboard npx0: INT 16 interface WARNING: / was not properly dismounted. Mount output: /dev/sd0a on / (local) /dev/sd0e on /usr (local) procfs on /proc (local) >Description: My system panics every few hours. I already send bug report about another panic (in _in_setsockaddr). Not sure if those two are related. Here is DDB output (copied from the screen): Fatal trap 12: page fault while in kernel mode fault virtual address = 0x1e fault code = supervisor read, page not present instruction pointer = 0x8:0xf010c830 stack pointer = 0x10:0xf4122f30 frame pointer = 0x10:0xf4122f30 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL0 , pres 1 , def 321 , gran 1 processor eflags = interrupt enabled, resum, IOPL = 0 current process = 4 (update) interrupt mask = kernel: type 12 trap, code = 0 Stopped at _lockstatus+0x8: cmpw $0,0x10(%edx) -------------------trace-------------- _ufs_islocked+0x15 _vfs_msync+0x38 _sync+0x4c _vfs_update+0x3b _kproc_start+0x32 _fork_trampoline+0x1d >How-To-Repeat: There is no reilable way to repeat this... >Fix: >Audit-Trail: >Unformatted:
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