Date: Sun, 10 Jan 1999 04:24:00 GMT From: System Administrator <root@amsoft.ru> To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/9411: System crash on swapping to hole-files Message-ID: <199901100424.EAA00405@amsoft.ru>
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>Number: 9411
>Category: kern
>Synopsis: System crash on swapping to hole-files
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Jan 9 17:50:00 PST 1999
>Closed-Date:
>Last-Modified:
>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:
>Unformatted:
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