Re: [uml-devel] /dev/random problems _not_ solved in 2.6.26

[Stanislav Meduna <stano@meduna.org>]

Jeff Dike wrote:

> If nothing else works, I suppose a nasty workaround might be to
> replace /dev/random with dev/urandom, but that has security
> implications.

I am aware of the implications, but unfortunately it did
not help either.

# ls -l /dev/*random*
crw-rw-rw- 1 root root 1, 8 2008-08-05 17:41 /dev/oldrandom
lrwxrwxrwx 1 root root    7 2008-08-05 17:41 /dev/random -> urandom
crw-rw-rw- 1 root root 1, 9 2008-08-05 17:42 /dev/urandom

# grep random /var/log/auth.log
Aug  5 19:53:50 dirk sshd[3117]: fatal: Couldn't obtain random bytes (error 604389476)

# cat /proc/sys/kernel/random/entropy_avail
335

I am now talking to the host owner - he is running quite
a few UML guests, each in chroot environment, and one of the
problems is that his entropy gets sucked out...

Now he has replaced random with urandom in my chroot jail,
so the UML's random is his urandom. Let's see what happens...

-- 
                                     Stano


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