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Re: localhost kernel: end_request: I/O error, dev fd0, sector 0



On 1/20/07, Paul Smith <phhs80 gmail com> wrote:
> > > > I am getting these strange messages:
> > > >
> > > > Jan 20 01:22:22 localhost kernel: end_request: I/O error, dev fd0, sector 0
> > > > Jan 20 01:22:22 localhost kernel: end_request: I/O error, dev fd0, sector 0
> > > > Jan 20 01:22:22 localhost kernel: floppy0: disk absent or changed
> > > > during operation
> > > > Jan 20 01:22:22 localhost kernel: end_request: I/O error, dev fd0, sector 0
> > > > Jan 20 01:22:22 localhost kernel: end_request: I/O error, dev fd0, sector 0
> > > > Jan 20 01:22:22 localhost kernel: floppy0: disk absent or changed
> > > > during operation
> > > >
> > > > It surprises me, as I do not have any floppy disk inserted.
> > >
> > > If, as root, you do something like:
> > >         # cp /dev/fd0  /tmp/foo
> > > without a floppy inserted, you'll see a single kernel messages in your logs:
> > >         > <DATE/TIME> localhost kernel: end_request: I/O error, dev fd0, sector 0
> > >
> > > So offhand, I'd say some program on your box is trying to read or write to the
> > > floppy device.
> > >
> > > If you have the psacct rpm (the process accounting package) installed, as root
> > > you should be able to do:
> > >         # lastcomm | grep "Jan 20 01:2"
> > > to see the names of what programs were started between 01:20:20 and 01:29:59.
> > > Somewhere in that output, probably around 01:22:20 or so, you should find
> > > the offending program.
> >
> > Thanks, Steve, but lastcomm returns nothing:
> >
> > # lastcomm
> > #
>
> Sounds like you've got psacct installed, but aren't running it.  Try:
>         $ su
>         # /etc/rc.d/init.d/psacct status
> If it says "enabled" or "started" or "active" or some such, you're
> running it, but lastcomm isn't reading the right file.  In that case,
> look at /etc/rc.d/init.d/psacct to see what file is being used (it'll
> be the first parameter to /sbin/accton) and hand the name of that file
> to lastcomm.
>
> However, it it says "disabled" or "stopped" or some such, you need to
> do:
>         # /etc/rc.d/init.d/psacct start
> and then wait for another occurance of the "end_request: I/O error"
> in your logs.  After seeing that occurance, run the lastcomm pipe.
>
> ... and just to be safe, "rpm -V psacct" should run cleanly in either
> case, too.

You are right, Steve:

# /etc/rc.d/init.d/psacct status
Process accounting is disabled.
#

I have now to wait for another occurrence of the "end_request: I/O
error" in your logs.

I have just found it out: VMware server. After having turned off the
floppy driver from inside the VMware window, the reported problem was
removed. Thanks again, Steve.

Paul


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