James, On Thu, 16 Nov 2017, Jingmin Zhai wrote: > Recently we're testing Mellanox 10GbE performance with Ubuntu 17.04 s390x > on z13. During the test, we found that interrupt affinity cannot be set > like other platforms. > > We stopped the 'irqbalance' service first, then > > echo <hexadecimal bit mask> > /proc/irq/<irq vector>/smp_affinity > > But get > > "echo: write error: Input/output error"
Setting irq affinity is currently not supported on s390. We are aware of that and are looking at ways to address that problem. Regards, Sebastian ---------------------------------------------------------------------- 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/
