Date: Fri, 29 Aug 1997 00:51:06 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: mikk0022@maroon.tc.umn.edu Cc: questions@FreeBSD.ORG Subject: Re: Problem using 'vn' device for swap Message-ID: <199708290551.AAA00746@dyson.iquest.net> In-Reply-To: <199708290447.XAA00881@x173-171.reshalls.umn.edu> from "mikk0022@maroon.tc.umn.edu" at "Aug 28, 97 11:47:25 pm"
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mikk0022@maroon.tc.umn.edu said: > I am running FreeBSD 2.2.2. I attempted to add some swap space a few minutes > ago, by creating a 64MB empty file and 'vnconfig-ing' it as a swap device. > Shortly after I did this, my system started thrashing wildly, and my syslog > is filled with messages like the following: > > Aug 28 23:41:41 mercury /kernel: swap_pager_finish: I/O error, clean of page 67a000 failed > Aug 28 23:41:42 mercury /kernel: swap_pager: I/O error - async pageout failed; blkno 408, size 8192, error 0 > > What do these errors mean? What could be causing these I/O errors? > Did you create the file with: dd if=/dev/zero of=swapfile count=xxx bs=yyy or did you just use an empty 64MB file? -- John dyson@freebsd.org jdyson@nc.com
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