Date: Mon, 26 Apr 1999 13:13:42 +0200 From: gvg@uunet.co.za To: FreeBSD-gnats-submit@freebsd.org Subject: kern/11330: panic: page fault in generic_bzero Message-ID: <E10bjKY-000KIu-00@lost.iafrica.com>
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>Number: 11330 >Category: kern >Synopsis: page fault in generic_bzero >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 26 04:20:00 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Gordon Greeff >Release: FreeBSD 3.1-STABLE i386 >Organization: UUNET South Africa >Environment: FreeBSD proxy05.iafrica.com 3.1-STABLE FreeBSD 3.1-STABLE #0: Mon Apr 26 12:54:10 SAST 1999 gordon@proxy05.iafrica.com:/usr/src/sys/compile/PROXY05 i386 machine "i386" cpu "I686_CPU" ident "PROXY05" maxusers 512 options INET #InterNETworking options FFS #Berkeley Fast Filesystem options FFS_ROOT #FFS usable as root device [keep this!] #options MFS #Memory Filesystem #options NFS #Network Filesystem #options PROCFS #Process filesystem options "COMPAT_43" #Compatible with BSD 4.3 [KEEP THIS!] options SCSI_DELAY=15000 #Be pessimistic about Joe SCSI device options SOFTUPDATES config kernel root on da0 controller isa0 controller pci0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 disk fd0 at fdc0 drive 0 # A single entry for any of these controllers (ncr, ahb, ahc) is # sufficient for any number of installed devices. controller ahc0 controller ncr0 controller scbus0 device da0 device pass0 # atkbdc0 controlls both the keyboard and the PS/2 mouse controller atkbdc0 at isa? port IO_KBD tty device atkbd0 at isa? tty irq 1 device psm0 at isa? tty irq 12 device vga0 at isa? port ? conflicts # splash screen/screen saver pseudo-device splash # syscons is the default console driver, resembling an SCO console device sc0 at isa? tty device npx0 at isa? port IO_NPX irq 13 device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4 device sio1 at isa? port "IO_COM2" tty irq 3 # 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 fxp0 device xl0 pseudo-device loop pseudo-device ether pseudo-device pty 128 pseudo-device ccd 4 pseudo-device gzip # Exec gzipped a.out's # KTRACE enables the system-call tracing facility ktrace(2). # This adds 4 KB bloat to your kernel, and slightly increases # the costs of each syscall. # This provides support for System V shared memory and message queues. # options SYSVSHM options SYSVMSG >Description: repeatable panic "page fault in kernel mode". nm kernel |sort |less (and eyeball) shows problem to lie in generic_bzero in /sys/i386/i386/support.s >How-To-Repeat: when disks are under high load (multiple cp -R's of /usr/src onto a ccd) it happens within a few seconds >Fix: unknown >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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