[csw-users] cups very slow

Paul Gress pgress at optonline.net
Mon Jan 22 05:51:51 CET 2007

Markus Mayer wrote:
> This problem has in fact been tracked down to be caused by
> libgcrypt.so. libgcrypt's 'configure' script assumes that Solaris
> doesn't have /dev/urandom, so it always uses /dev/random.
> CUPS, in turn, uses  libgcrypt.so so set up encrypted connections.
> Therefore, CUPS was always using /dev/random as well.
> So, whenever there wasn't enough entropy in the pool to satify the read
> from /dev/random, the call would block till the entropy pool had been
> re-filled, leading to the 'CUPS is so freaking slow' behavior you and
> others have described.
> Torrey, the maintainer for libgcrypt, was so kind to build a new
> packages within half an hour of me telling him what the problem was.
> These packages are currently available from
> http://www.blastwave.org/testing/libgcrypt-1.2.3,REV=2007.01.21-SunOS5.8-i386-CSW.pkg.gz
> http://www.blastwave.org/testing/libgcrypt-1.2.3,REV=2007.01.21-SunOS5.8-sparc-CSW.pkg.gz
> Installing the new libcrypt package from testing should make the
> slow-CUPS symptoms go away.
Installed the new libcrypt for my X64 (Sun W2100z, Solaris 10).  
Difference is like night and day.  Running great now.  I suspect print 
jobs will be quicker now.  Thanks for following through.


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