b43 wireless driver inhibits access to /dev/hwrng
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From: Pavel Machek on 31 Jul 2010 02:20 On Fri 2010-07-23 10:32:19, John W. Linville wrote: > On Fri, Jul 23, 2010 at 12:52:12AM +0200, Mario 'BitKoenig' Holbe wrote: > > Hello, > > > > the b43 wireless driver inhibits access to /dev/hwrng while the wireless > > network interface is down. When the interface is up, /dev/hwrng is > > accessible: > > <snip> > > > I have no idea whether this issue belongs to the b43 driver or to the > > rng core. > > The hwrng driver is provided by the b43 hardware, which is shutdown > when the network interface is down. I'm not sure how one could expect > this to work. Well... either don't provide hwrng interface, or power up enough of b43 hardware when user opens /dev/hwrng...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |