On Fri, 8 Oct 2004, Steve Shorter wrote:
> > I have some machines that run customers cgi stuff.
> > These machines have started to hang and become unresponsive.
> > At first I thought it was a hardware issue, but I discovered in
> > a cyclades log the following stuff that got logged to the
> > console which explains the cause of the system hangs/failures.
> >
> > vnode_pager_putpages: residual I/O 65536 at 347
> > vnode_pager_putpages: I/O error 28]
> > vnode_pager_putpages: residual I/O 65536 at 285]
>
> Aha! also at the same time I get in syslog
>
> /kernel: pid 6 (syncer), uid 0 on /chroot/tmp: file system full
>
> Whats happening? Can a full filesystem bring the thing down?
> Ideas? Fixes?
Ideally not, but many UNIX programs respond poorly to being out of memory
and disk space ("No space, wot?"). Are you using a swap file, and if so,
how did you create the swapfile? Are you using sparse files much?
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
[EMAIL PROTECTED] Principal Research Scientist, McAfee Research
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