Date: 04 Apr 2003 07:08:38 -0500 From: Dan Pelleg <daniel+bsd@pelleg.org> To: "J. Seth Henry" <jshamlet@comcast.net> Cc: questions@freebsd.org Subject: Re: dhclient acts odd with read-only '/' & other questions about /dev Message-ID: <u2s3ckywjll.fsf@gs166.sp.cs.cmu.edu> In-Reply-To: <20030403224751.P74515-100000@whitetower.gambrl01.md.comcast.net> References: <20030403224751.P74515-100000@whitetower.gambrl01.md.comcast.net>
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"J. Seth Henry" <jshamlet@comcast.net> writes: > Ok, I think I just qualified for an idiot award. After a little more > poking around, I discovered that it was the read-only filesystem that was > causing the problem. I rebuilt the microdrive image, and included a > special /dev this time - which I mount over the original /dev. Now, I > don't seem to be having any problems with sshd. > > Unfortunately, I appear to have made my dhclient problem worse. Now, it > hangs, producing volumes of log data like this: > > Apr 3 17:52:45 dhclient: New IP Address (aue0): 192.168.1.5 > Apr 3 17:52:45 dhclient: New Subnet Mask (aue0): 255.255.255.0 > Apr 3 17:52:45 dhclient: New Broadcast Address (aue0): 192.168.1.255 > Apr 3 17:52:45 dhclient: New Routers: 192.168.1.254 > Apr 3 17:52:45 dhclient: New Network Number: 192.168.1.0 > Apr 3 17:52:45 dhclient: New Broadcast Address: 192.168.1.255 > Apr 3 17:52:45 dhclient: New IP Address (aue0): 192.168.1.5 > Apr 3 17:52:45 dhclient: New Subnet Mask (aue0): 255.255.255.0 > Apr 3 17:52:45 dhclient: New Broadcast Address (aue0): 192.168.1.255 > Apr 3 17:52:45 dhclient: New Routers: 192.168.1.254 > > I have to hit CTRL-C to get a login... > > I tried running dhclient under truss, but it gives me a segmentation fault > before getting very far. It doesn't seem to be attempting to write to > files on a read-only filesystem though. I can post the output of truss if > anyone is interested. > I don't remember the history of this thread, but my first thought would be that it's probably trying to update /etc/resolv.conf and/or /var/db/dhclient.leases I don't think a failure to update resolv.conf would result in this behaviour. But for dhclient.leases, it might. Advance warning: if you're using ntp, you will have a similar issue for ntp.drift. -- Dan Pelleg
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