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Date:      Sat, 11 Oct 1997 19:03:26 +0930
From:      Mike Smith <mike@smith.net.au>
To:        Chris Caputo <ccaputo@alt.net>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: 2.1-stable: "vnode_pager_input: I/O read error" messages 
Message-ID:  <199710110933.TAA01099@word.smith.net.au>
In-Reply-To: Your message of "Fri, 10 Oct 1997 06:23:19 MST." <Pine.BSI.3.93.971010061432.19137C-100000@baklava.alt.net> 

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Whoops, sorry about the blank preceeding this.

> Hi.  Does anyone have any insight into what these messages really mean or
> what the fix is (besides going to 2.2-stable ;-)?  They seem to come in
> spurts - none for a few days, then some for a few hours, then none for a
> few days, etc. 

The error message means exactly what it says; an I/O read error 
(probably hardware) has occurred.

This normally means that (surprise, surprise) you have harware problems.
Are there any error messages coming from your disk controller?

Sometimes RAM faults can cause these symptoms as well.

> It does not appear that we actually have a hardware problem (disks check
> out, controller checks out, etc.).

What do you mean by "check out"?

mike





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