kern/51015: kernel panic while using dirhash at ~3000 directories like mailboxes

Tue Apr 15 23:10:09 PDT 2003

>Number:         51015
>Category:       kern
>Synopsis:       kernel panic while using dirhash at ~3000 directories like mailboxes
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Apr 15 23:10:07 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Aleksey Ovcharenko
>Release:        FreeBSD 4.7-RELEASE-p7 i386
>Organization:
JVC Infocom
>Environment:
System: FreeBSD console.ic.kharkov.ua 4.7-RELEASE-p7 FreeBSD 4.7-RELEASE-p7 #2: Mon Mar 17 08:27:16 EET 2003 root at console.ic.kharkov.ua:/usr/obj/usr/src/sys/INFOCOM i386


>Description:
On high load on mail-server with ~3000 directories in mailboxes directory cause kernel panic: "ufsdirhash_lookup: bad offset in hash array" .
	
>How-To-Repeat:
Increase disk activity.
	
>Fix:

	
>Release-Note:
>Audit-Trail:
>Unformatted: