Re: Continuing /dev/random problems with 2.4

Ken Brownfield (brownfld@irridia.com)
Fri, 1 Feb 2002 11:00:06 -0600


On Fri, Feb 01, 2002 at 09:36:57AM -0700, Andreas Dilger wrote:
| On Feb 01, 2002 03:17 -0600, Ken Brownfield wrote:
| > Since I've switched to using 2.4 in situations where /dev/random is
| > heavily used, I've been seeing more and more of the running issue with
| > /dev/random.
| >
| > After a few days of occasional use from sshd and our own cryptographic
| > purposes, we're seeing entropy_avail go to 0 and requests to /dev/random
| > block. The processes that block remain killable, but entropy no longer
| > appears until a reboot is performed.
|
| What specific kernel version are you using? There were some bugs where
| the entropy was /32 on each usage that I fixed.

Yes, which was at least partially Robert's contribution.

I'm seeing this on 2.4.16 and 2.4.18-preN. It's been there since the
beginning AFAIK.

-- 
Ken.
brownfld@irridia.com

| Cheers, Andreas | -- | Andreas Dilger | http://sourceforge.net/projects/ext2resize/ | http://www-mddsp.enel.ucalgary.ca/People/adilger/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/