Date: Mon, 14 Aug 1995 19:51:22 GMT From: Charlie Root <root@kaiwan.kaiwan.com> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/688: Page fault: supervisor write, page not present Message-ID: <199508141951.TAA00757@localhost> Resent-Message-ID: <199508150300.UAA18031@freefall.FreeBSD.org>
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>Number: 688 >Category: kern >Synopsis: Page fault: supervisor write, page not present >Confidential: yes >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Aug 14 20:00:02 PDT 1995 >Last-Modified: >Originator: Frank Mayhar >Organization: >Release: FreeBSD 2.0-BUILT-19950628 i386 >Environment: Freebsd 2.1-SNAP-0726 Pentium 100, ASUS P55TP4XE, Pipeline burst cache, 32 MB main memory. Adaptec 2940W with three disks, Maxtor SCSI1, two Toshiba SCSI2, plus Archive Viper 2150S tape. Running kernel from the config file following. Running INN, gzip, etc. Lots of binaries are still from 1.1.5.1, including everything in /usr/local and /usr/gnu. config file: # # GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks # # $Id: GENERIC,v 1.46 1995/06/11 19:31:11 rgrimes Exp $ # machine "i386" cpu "I586_CPU" ident TINKER maxusers 64 #options MATH_EMULATE #Support for x87 emulation options INET #InterNETworking options FFS #Berkeley Fast Filesystem options NFS #Network Filesystem options MFS #Memory File System options MSDOSFS #MSDOS Filesystem #options "CD9660" #ISO 9660 Filesystem options PROCFS #Process filesystem options "COMPAT_43" #Compatible with BSD 4.3 options "SCSI_DELAY=15" #Be pessimistic about Joe SCSI device #options BOUNCE_BUFFERS #include support for DMA bounce buffers options UCONSOLE #Allow users to grab the console options "NSWAPDEV=4" options SYSVSHM options SYSVSEM options SYSVMSG options KTRACE #kernel tracing config kernel root on sd0 controller isa0 controller pci0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr disk fd0 at fdc0 drive 0 disk fd1 at fdc0 drive 1 #tape ft0 at fdc0 drive 2 #controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr #disk wd0 at wdc0 drive 0 #disk wd1 at wdc0 drive 1 #controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr #disk wd2 at wdc1 drive 0 #disk wd3 at wdc1 drive 1 #controller ncr0 #controller ahc0 controller ahc0 at pci? bio irq ? vector ahcintr #controller bt0 at isa? port "IO_BT0" bio irq ? vector btintr #controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr #controller ahc1 at isa? bio irq ? vector ahcintr #controller ahb0 at isa? bio irq ? vector ahbintr #controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr #controller aic0 at isa? port 0x340 bio irq 11 vector aicintr #controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr #controller nca1 at isa? port 0x350 bio irq 5 vector ncaintr #controller sea0 at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000 vector seaintr controller scbus0 device sd0 device st0 device cd0 #Only need one of these, the code dynamically grows device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr #device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr #device mcd1 at isa? port 0x340 bio irq 11 vector mcdintr #controller matcd0 at isa? port ? bio #device scd0 at isa? port 0x230 bio # syscons is the default console driver, resembling an SCO console device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr # Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver #device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint #options "PCVT_FREEBSD=210" # pcvt running on FreeBSD 2.1 #options XSERVER # include code for XFree86 device npx0 at isa? port "IO_NPX" irq 13 vector npxintr device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr device sio2 at isa? port 0x338 tty irq 12 vector siointr #device sio2 at isa? port "IO_COM3" tty irq 5 vector siointr #device sio3 at isa? port "IO_COM4" tty irq 9 vector siointr device lpt0 at isa? port? tty irq 7 vector lptintr #device lpt1 at isa? port? tty #device lpt2 at isa? port? tty # Order is important here due to intrusive probes, do *not* alphabetize # this list of network interfaces until the probes have been fixed. # Right now it appears that the ie0 must be probed before ep0. See # revision 1.20 of this file. #device de0 #device ed0 at isa? port 0x280 net irq 5 iomem 0xd8000 vector edintr #device ed1 at isa? port 0x300 net irq 5 iomem 0xd8000 vector edintr #device ie0 at isa? port 0x360 net irq 7 iomem 0xd0000 vector ieintr #device ep0 at isa? port 0x300 net irq 10 vector epintr #device ix0 at isa? port 0x300 net irq 10 iomem 0xd0000 iosiz 32768 vector ixintr #device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr #device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr #device lnc1 at isa? port 0x300 net irq 10 drq 0 vector lncintr #device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr #device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr controller snd0 device sb0 at isa? port 0x220 irq 7 conflicts drq 1 vector sbintr device pas0 at isa? port 0x388 irq 10 drq 6 vector pasintr device opl0 at isa? port 0x388 pseudo-device loop pseudo-device ether pseudo-device log #pseudo-device sl 1 # ijppp uses tun instead of ppp device #pseudo-device ppp 1 pseudo-device tun 2 pseudo-device pty 16 pseudo-device gzip # Exec gzipped a.out's pseudo-device bpfilter 4 #Berkeley packet filter >Description: The panic: Fatal trap 12: page fault while in kernel mode fault virtual address = 0xf81ef050 fault code = supervisor write, page not present instruction pointer = 0x8:0xf018679c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def 321, gran 1 processor flags = interrupt enabled, resume, IOPL=0 current process = 11503 (gzip) interrup mask = net tty bio panic: page fault Here's the stack from the dump: 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 1cd000 current pcb at 1c4158 panic: page fault #0 0xf018dc34 in boot () (kgdb) bt #0 0xf018dc34 in boot () #1 0xf010f793 in panic () #2 0xf019288e in trap_fatal () #3 0xf0192400 in trap_pfault () #4 0xf01920b7 in trap () #5 0xf018b571 in calltrap () #6 0xf0121831 in allocbuf () #7 0xf0121482 in getblk () #8 0xf0123144 in cluster_rbuild () #9 0xf0122e50 in cluster_read () #10 0xf0174fbd in ffs_read () #11 0xf0129b4a in vn_read () #12 0xf0110877 in read () #13 0xf0192add in syscall () #14 0xf018b5bb in Xsyscall () #15 0x7583 in ?? () #16 0x817d in ?? () #17 0x8276 in ?? () #18 0x82d8 in ?? () #19 0x6b00 in ?? () #20 0x272f in ?? () #21 0x24b9 in ?? () #22 0x10d3 in ?? () (kgdb) q >How-To-Repeat: Run news. >Fix: None. >Audit-Trail: >Unformatted:
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