[linux-elitists] Dual bore - a question on diagnosis
Thu Dec 21 07:49:01 PST 2006
On Thu, Dec 21, 2006 at 02:19:50PM +0000, Phil Mayers wrote:
> >CONFIG_HIGHMEM ? wtf is this ? 1999 ?
> >In the unlikely event that the computer has the one generation
> >of core duo that didn't have 64bit support, send it back and ask
> >for a real computer.
> Hi Dave - Will says hello.
Heh, small world eh?
> It's not that (I think). The 64bit FC6 actually runs better than the
> 32bit one, but still suffers from the slowdowns.
> What's really annoying is, it's hard to pin down what is slow. The
> entire machine feels (extremely) slow, but that could be any one of
> SATA, RAM, irqbalance going crazy, bus, power saving down-clocking the
> I've been told I can't return it, because HP have said:
> RHEL5 will support the hardware and is out in January
I'll see if I can track one of these down at the office later, we've
got a ton of HP kit. What model number was it again?
> ...so I've been told to wait a couple of weeks. Quite what HP are doing
> making such announcements to our purchasing manager I don't know, but
> what I do know is that neither a fully-patched FC6 nor Rawhide, nor a
> 2.6.20rc1 kernel will run at normal speed on it, meaning it's
> phenomenally unlikely RHEL5 will be any different. If so, I'm looking
> forward to kicking some arse in January when HP turn out to have been
Hmm. booting with cpufreq.debug=7 and eyeballing dmesg might give some
clues if its CPU scaling at work that's going awry. Without more info
though it's hard to provide a diagnosis.
More information about the linux-elitists