Re: SLES 15 SP2 kernel issue with random number generator (crng)

2020-12-18 Thread Paul Gilmartin
On 2020-12-18, at 10:25:49, Berthold Gunreben wrote: > > on what hardware do you operate? There is several possibilities to > consider, the easiest would be if you got a z15, because there is a RNG > in the CPU there. ... > Described in: www.redbooks.ibm.com/redbooks/pdfs/sg248851.pdf

Re: SLES 15 SP2 kernel issue with random number generator (crng)

2020-12-18 Thread Marcy Cortes
So poking around z90crypt.service comes with libica-tools packages on sles15 sp2. It's not installed by default. I put it on and started it with systemctl start and does start but throws this error z90crypt[40815]: modprobe: FATAL: Module zcrypt_pcixcc not found in directory /lib/modules/5.3.18-

Re: SLES 15 SP2 kernel issue with random number generator (crng)

2020-12-18 Thread Aria Bamdad
Thank you Berthold. I am running on a z13s but I am saving up for at z15! No special crypto express hardware either other than CPICF that is standard. I will look into your suggestions. I am seeing this only on SLES15 SP2 later kernel. They recently changed random number generation within the ke

Re: SLES 15 SP2 kernel issue with random number generator (crng)

2020-12-18 Thread Berthold Gunreben
Hi Aria, on what hardware do you operate? There is several possibilities to consider, the easiest would be if you got a z15, because there is a RNG in the CPU there. If you got an older machine with crypto express, there is also a RNG in there, but you would need a crypto domain to have that avail