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Bug#533077: linux-image-2.6.26-2-486: on an idle system /dev/random gets depleted very quick



On Mon, 2009-06-15 at 13:03 +0200, Folkert van Heusden wrote:
> > > >>> Now add strace to those commands.  Do you see the problem?
> > > >> Nope, works as expected:
> > > > 
> > > > You have different libs than we all have. Ours shows:
> > > > | open("/dev/urandom", O_RDONLY)          = 3
> > > > | read(3, "\34\344C\242", 4)              = 4
> > > > | close(3)                                = 0
> > > > 
> > > 
> > > Note that it is fixed in glibc 2.10 with kernels >= 2.6.29.
> > 
> > It's "fixed" in that Drepper changed the kernel's ELF loader to
> > initialise the random bytes itself.  The entropy pool is still depleted
> > by every process startup. :-(
> 
> I noticed it during the development of my entropybroker package: I
> noticed that it was constantly refilling /dev/random on all of my linux
> boxes. Glad to know the bug is not in my program :-)
> Should I submit a bug report for glibc?

No, I reassigned this bug.

Ben.

-- 
Ben Hutchings
Never attribute to conspiracy what can adequately be explained by stupidity.

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