It looks like this is not a totally new problem. I googled STFLE and had several hits the problem showed up in 2009 concerning z9-z10 machines. Here is the link if anyone cares to read it. It is informative although not conclusive. http://tech-insider.org/mainframes/research/2009/1209.html
On Thu, Jun 23, 2016 at 8:44 PM, Alan Altmark <alan_altm...@us.ibm.com> wrote: > On Thursday, 06/23/2016 at 10:09 GMT, Tom Huegel <tehue...@gmail.com> > wrote: > > I'm telling Hercules it is s z13 (2964 N30) but I don't know that > Hercules > > does anything with that other than reflect it in the STSI instruction... > > How does UBUNTU determine the hardware level? > > Did my post from earlier today not get re-distributed? > -------------------------------------- > To be clear, the checks are not based on a machine type or model, per se. > Rather, the OS is checking for the availability of needed instructions, > service processor functionality, and I/O subsystem capability > (collectively called 'facilities'). So you could change the CPU ID to > report a zEC12, for example, but unless the various facilities the OS > wants are available, you will still get BADCCC. > > I.e. a zEC12 GA2 machine will have more facilities available than a GA1 > machine, but the machine type and model remains unchanged. > > To see how instruction behavior is assessed, look at the STORE FACILITIES > LIST EXTENDED (STFLE) instruction. > ------------------------------------------------ > > The host cannot use CPU type-model information to determine functional > capability. That way there be flames and damnation for all Eternity. > > Alan Altmark > > Senior Managing z/VM and Linux Consultant > Lab Services System z Delivery Practice > IBM Systems & Technology Group > ibm.com/systems/services/labservices > office: 607.429.3323 > mobile; 607.321.7556 > alan_altm...@us.ibm.com > IBM Endicott > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
