You have been subscribed to a public bug: ---Problem Description--- The Ubuntu kernels currently have xmon disabled. xmon is a standard debugging interface on power platforms and is expected to be compiled in to enable for debugging. Please enable CONFIG_XMON. ---uname output--- Linux actg1 3.13.0-34-generic #60-Ubuntu SMP Wed Aug 13 15:45:54 UTC 2014 ppc64le ppc64le ppc64le GNU/Linux Machine Type = 8247-22L ---Steps to Reproduce--- Run the following command: echo 1 > /proc/sys/kernel/sysrq Try to invoke xmon by inputting ctrl + o, x System should drop into xmon, but the following message is printed instead: "[229073.090037] SysRq : This sysrq operation is disabled." 14.10 is also the same:
root@hatg5:~# grep XMON /boot/config-3.16.0-8-generic # CONFIG_XMON is not set root@hatg5:~# uname -a Linux hatg5 3.16.0-8-generic #13-Ubuntu SMP Wed Aug 13 17:11:23 UTC 2014 ppc64le ppc64le ppc64le GNU/Linux ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: architecture-ppc64le bugnameltc-115415 severity-critical targetmilestone-inin1404 -- ISST-KVM: R2-0: xmon disabled in Ubuntu https://bugs.launchpad.net/bugs/1365655 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- 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