Surviving /dev/null disappearance
sobomax at FreeBSD.org
Tue Apr 3 17:09:15 UTC 2007
Patch ld(1) to detect the condition and don't unlink the device node?
Andrew Pantyukhin wrote:
> While porting mtpaint I stumbled upon a hacked up
> configure script which has a test like this:
> ld -o /dev/null <some libs>
> If you run this under root the net result is you
> don't have /dev/null anymore.
> I fixed the configure script, writing to temp files
> instead of /dev/null, but the question is, how can
> I survive the situation.
> Without /dev/null very little works. You can mount
> a second devfs over the first one, but half of the
> programs running in the background (e.g. wmii) are
> still freaked out bad.
> So is there a way to revive the system without a
> reboot? (hint: /etc/rc.d/dev* scripts refuse to
> work without /dev/null)
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