Date: Fri, 16 Aug 2002 14:57:22 -0700 (PDT) From: Kyrre Aalerud <kreature@c2i.net> To: freebsd-gnats-submit@FreeBSD.org Subject: i386/41723: Copying files to filesystem causes "integer divide fault" and panic. Message-ID: <200208162157.g7GLvMmf068131@www.freebsd.org>
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>Number: 41723
>Category: i386
>Synopsis: Copying files to filesystem causes "integer divide fault" and panic.
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Aug 16 15:00:11 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Kyrre Aalerud
>Release: FreeBSD 4.3 CVS'ed to 4.6-Stable
>Organization:
>Environment:
FreeBSD timmy 4.6-STABLE FreeBSD 4.6-STABLE #1: Fri Aug 16 22:36:52 CEST 2002 root@timmy:/usr/obj/usr/src/sys/timmy i386
Running a custom kernel. Nothing fancy added, just trimmed out device support not needed.
>Description:
Running a large Vinum raid-5 array (name: raid).
(5x 80 GB Maxtor IDE-disks.)
(Disks are master on own cable, each with their own IDE-port.)
Using complete vinum-volume as single ufs. Parameters used were "newfs -v -U -b 65536 -f 8192 -g 256000000 -m 1% /dev/vinum/raid".
The -b and -f were ignored and a block/frag size of 8/1MB were somehow used. ???
When copying files to volume, system traps a integer divide fault.
(Happens regardless of soft updates-status.)
Happens when copying from network to disk via samba.
Error screen shows current process to be smbd.
Address c02193c7 where fault occurs reveals:
----------------
timmy# nm -n /kernel | grep c0219
c0219080 T ffs_valloc
c021923c t ffs_dirpref
c0219518 T ffs_blkpref
c021968c t ffs_hashalloc
c0219738 t ffs_fragextend
c0219968 t ffs_alloccg
c0219c2c t ffs_alloccgblk
----------------
>How-To-Repeat:
Running a large fs possibly on vinum raid-5 array.
Copying large ammounts of data to the samba-share via network.
>Fix:
none known...
>Release-Note:
>Audit-Trail:
>Unformatted:
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