I've tried verifying a build with this patch on top of our current 3.16 Utopic tree and the above sysfs directory was still not found. Are there additional steps required to enable the hv_24x7 device? I have been testing on a POWER8 machine.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1380432 Title: 24x7 counters: Bug in catalog_read() Status in “linux” package in Ubuntu: In Progress Status in “linux” source package in Utopic: In Progress Bug description: ---Problem Description--- 24x7 counters: Bug in catalog_read() ---Additional Hardware Info--- Power8 system with support for 24x7 counters Machine Type = Power8 IBM,9119-MME ---Steps to Reproduce--- cp /sys/bus/event_source/devices/hv_24x7/interface/catalog /tmp ls -l /tmp/catalog Shows a file size 0 for the /tmp/catalog. We recently discovered a bug in the upstream Linux kernel. It was fixed by this patch https://lkml.org/lkml/2014/10/1/35 and that patch is scheduled to be included in powerpc tree. When it is included, we should back port to Ubuntu 14.10 or next release. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1380432/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
