Haren Myneni <haren@xxxxxxxxxx> writes: > Eric W. Biederman wrote: > >>A couple stray bits of feedback. Downing the interface is generally >>a user space requirement like unmounting filesystems. >>/sbin/kexec and /sbin/reboot both perform this operation so I don't >>see how this bug was hit. >> >> >> > Thanks for your feedback. We are still working on kexec tools for PPC64. In the > mean time, I was using a temporary tool which does not do ifdown. I was in the > impression that the kexec boot will be successful since the normal kexec code > path (kernel/sys.c) contains device_shutdown/reboot notifier. It turns out I am > wrong. Buggy drivers will do that to you as well. But not doing a clean shutdown (downing interfaces, and unmounting the filesystems) doesn't help things :) Eric