Date: Fri, 10 Dec 2004 13:25:35 GMT From: Jimmy Olgeni <olgeni@FreeBSD.org> To: FreeBSD-gnats-submit@FreeBSD.org Cc: olgeni@uli.it Subject: kern/74915: vinum: kernel panic with dumpconfig while reviving Message-ID: <200412101325.iBADPZCv069878@freefall.freebsd.org> Resent-Message-ID: <200412101330.iBADUMnC069961@freefall.freebsd.org>
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>Number: 74915 >Category: kern >Synopsis: vinum: kernel panic with dumpconfig while reviving >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Dec 10 13:30:22 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Jimmy Olgeni >Release: FreeBSD 4.10-RELEASE i386 >Organization: Colby >Environment: System: FreeBSD 4.10-RELEASE FreeBSD 4.10-RELEASE #0: Tue May 25 22:47:12 GMT 2004 root@perseus.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >Description: If the "vinum dumpconfig" command is ran while the vinum daemon is reviving a mirrored volume, the kernel may panic with the following error message: Fatal trap 18: integer divide fault while in kernel mode instruction pointer = 0x8:0xc03bdc1a stack pointer = 0x10:0xccc45c5c frame pointer = 0x10:0xccc45cc8 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 = 144 (vinum) interrupt mask = none trap number = 18 panic: integer divide fault syncing dists... 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 giving up on 5 buffers The vinum pid refers to the vinum daemon, not the vinum instance running dumpconfig. Sometimes the kernel will hang while syncing disks (tested on 2 hosts with a simple 2 disk mirror). >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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