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Message-Id: <199901100424.EAA00405@amsoft.ru>
Date: Sun, 10 Jan 1999 04:24:00 GMT
From: System Administrator <root@amsoft.ru>
Reply-To: root@amsoft.ru
To: FreeBSD-gnats-submit@freebsd.org
Subject: System crash on swapping to hole-files
X-Send-Pr-Version: 3.2

>Number:         9411
>Category:       kern
>Synopsis:       System crash on swapping to hole-files
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jan  9 17:50:00 PST 1999
>Closed-Date:    Fri Nov 16 15:46:16 PST 2001
>Last-Modified:  Fri Nov 16 15:46:37 PST 2001
>Originator:     Andrew Maltsev
>Release:        FreeBSD 3.0-CURRENT i386
>Organization:
>Environment:

	

>Description:

	System crashes on swapping to VN-attached file with hole
	in it.

>How-To-Repeat:

	dd if=/dev/zero of=/var/swapfile bs=1k seek=$((128*1024-1))
	vnconfig -e /dev/vn0c /var/swapfile swap
	netscape :)

        When swapfile gets used the system writes some messages
        and crashes:
Jan 10 04:08:38 amsoft /kernel: swap_pager_finish: I/O error, clean of page 3bd2000 failed
Jan 10 04:08:38 amsoft /kernel: swap_pager_finish: I/O error, clean of page 1cd3000 failed
Jan 10 04:08:38 amsoft /kernel: swap_pager: I/O error - async pageout failed; blkno 384, size 32768, error 0
Jan 10 04:08:38 amsoft /kernel: swap_pager_finish: I/O error, clean of page 304c000 failed
Jan 10 04:08:38 amsoft /kernel: swap_pager_finish: I
Jan 10 04:08:38 amsoft /kernel: of page 3434000 failed
Jan 10 04:08:38 amsoft /kernel: swap_pager: I/O error - async pageout failed; blkno 384, size 32768, error 0
Jan 10 04:08:38 amsoft /kernel: swap_pager_finish: I/O error, clean of page 304c000 failed

>Fix:
	
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: mike 
State-Changed-When: Thu Jul 19 14:35:23 PDT 2001 
State-Changed-Why:  

Does this problem still occur in newer versions of FreeBSD, 
such as 4.3-RELEASE? 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=9411 
State-Changed-From-To: feedback->closed 
State-Changed-By: bmah 
State-Changed-When: Fri Nov 16 15:46:16 PST 2001 
State-Changed-Why:  
Feedback timeout (3+ months). 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=9411 
>Unformatted:
