Am Samstag, den 22.10.2005, 02:52 +0200 schrieb Blaisorblade:
> > Obviously, the real hardware generators block when there is not enough
> > entropy, and rngd was written for them. I think there are two ways of
> > fixing the problem:
>
> > (1) Change rngd. If it sees -EAGAIN, it sleeps for a mome
On Saturday 22 October 2005 05:11, Jeff Dike wrote:
> On Sat, Oct 22, 2005 at 02:52:00AM +0200, Blaisorblade wrote:
> It's fairly trivial. Look at the SIGIO workaround thread - this is
> essentially the same thing.
_Yes_, but see below.
> > The ubd driver works currently this way, but the thing i
On Sat, Oct 22, 2005 at 02:52:00AM +0200, Blaisorblade wrote:
> Proper solution: use a separate _host_ thread, which either sits blocked in a
> blocking read or calls poll() on the host /dev/random, and have it do the
> work.
Yeah, unfortunately. The real right thing to do is give the host ran
On Friday 21 October 2005 21:06, Gerd Stolpmann wrote:
> Am Freitag, den 21.10.2005, 20:42 +0200 schrieb Blaisorblade:
> > On Friday 21 October 2005 20:24, Gerd Stolpmann wrote:
> > > Hi list,
> > >
> > > I recently tested the hwrng driver. In principal, it works, but it
> > > sometimes eats up all
Am Freitag, den 21.10.2005, 20:42 +0200 schrieb Blaisorblade:
> On Friday 21 October 2005 20:24, Gerd Stolpmann wrote:
> > Hi list,
> >
> > I recently tested the hwrng driver. In principal, it works, but it
> > sometimes eats up all host CPU time. In particular, I can see that the
> > UML system do
On Friday 21 October 2005 20:24, Gerd Stolpmann wrote:
> Hi list,
>
> I recently tested the hwrng driver. In principal, it works, but it
> sometimes eats up all host CPU time. In particular, I can see that the
> UML system does a (blocking) read on /dev/hwrng,
Could you please elaborate on that? W
Hi list,
I recently tested the hwrng driver. In principal, it works, but it
sometimes eats up all host CPU time. In particular, I can see that the
UML system does a (blocking) read on /dev/hwrng, and that the host
system loops while reading from /dev/random which almost always returns
-EAGAIN. (Fo
