Re: [Xen-devel] xenolinux /dev/random

[Steve Traugott <stevegt@xxxxxxxxxxxxx>]

Hi All,

My goodness!  See the message I just now posted to xen-devel about NFS
root hangs; could this be what we're hitting?  The most recent hang we
saw happened while an rsync was running over ssh *and* someone restarted
apache...

This wouldn't cause the "NFS server not responding/NFS server OK"
messages on the domain's console, though (or does that show up as a
symptom of this too?)

Steve

On Wed, May 05, 2004 at 09:36:08AM +0100, Ian Pratt wrote:
> 
> I've checked in a fix to the 1.2 and unstable trees for a problem
> we discovered yesterday with /dev/random. Basically, the virtual
> drivers weren't adding entropy to the kernel entropy pool, which
> tended to mean that /dev/random blocked for long periods of
> time. The problem was particularly acute with NFS root systems,
> where with no entropy input /dev/random blocked forever. 
> 
> If you were having problems with Apache being slow to start
> (listening on port 80, but not servicing requests), you should
> find the problem goes away the latest tar balls.
> 
> 
> Ian
> 
> 
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