Re: Kernel profiling on a dual xeon with HTT leads to wedge?

From: Maxim Konovalov <maxim_at_macomnet.ru> Date: Wed, 23 Feb 2005 19:50:47 +0300 (MSK) · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:29 UTC

On Wed, 23 Feb 2005, 13:20-0000, Robert Watson wrote:

>
> I tried to turn on high precision kernel profiling on a dual Xeon box with
> HTT (so four logical processors) at work today.  Unfortunately, whenever I
> do so, it seems to wedge hard within a few seconds.  I can typically hit
> enter on the serial console maybe 4-6 times before it hangs pretty solidly
> (serial break doesn't work).  I don't remember having this problem before,
> but when I backed the kernel out fo Feb 7, Jan 1, Dec 1, and Nov 1 the
> problem remained.  I'm wondering if maybe I had HTT off on the box
> previously, but can't turn it off remotely currently so can't try that
> now.  Does anyone else have kernel profilng working with >2
> physical/logical processors?

Doesn't work for me even on RELENG_4 dual xeon/htt box.

-- 
Maxim Konovalov