Re: [BUG] CPU hotplug: system hang on CPU hot remove during oprofile

On Mon, May 28, 2007 at 01:53:30PM +0900, Satoru Takeuchi wrote: > I found a bug on CPU hotplug. If oprofile is running, CPU hot remove causes > system hang. I only confirm that this problem occurs on my ia64 box. I'm glad > if someone report about other arch. oprofile is not CPU hotplug safe. (I

[BUG] CPU hotplug: system hang on CPU hot remove during oprofile

Hi, I found a bug on CPU hotplug. If oprofile is running, CPU hot remove causes system hang. I only confirm that this problem occurs on my ia64 box. I'm glad if someone report about other arch. How to reproduce 1) start oprofile # opcontrol --start 2) offline a CPU. # ech