Re: AMD 64 on HP laptop
On Fri, May 05, 2006 at 11:16:21PM +0200, Florian Kulzer wrote:
> On Fri, May 05, 2006 at 13:09:55 -0700, Freddy Freeloader wrote:
> > I have a HP Pavilion dv8000z laptop with a 2.0 ghz AMD Turion, a gig of
> > ram, and dual 80 gig hard drives.
> >
> > I have tried to install the AMD 64 version of Sarge twice on this
> > machine. Both times it has been so slow I've given up and installed the
> > 32 bit version of Sarge. I just did, or should say attempted, an 64 bit
> > install today. It took 55 minutes to do a base install from a
> > netinstall cd, 10 minutes of which it spent on just loading the
> > kernel-image package. I can complete a default 32 bit Sarge desktop
> > install in approximately the same amount of time.
> >
> > I started my install at 11:15 this morning, it is now 12:59, and the
> > system is just now unpacking the downloads for a default desktop
> > install. That's 1 3/4 hours and it hasn't even begun setting up
> > packages yet. This install will probably take at least 3 hours to
> > complete, if not more.
> >
> > Anyone know why this is so slow? I would have completed the same
> > default desktop bit install an hour ago on this machine if I had
> > installed the 32 bit version of Sarge. Running 32 bit sarge or sid this
> > laptop is every bit the equal of my 32 bit desktop machines of similar
> > cpu speed even though it only has 4200 rpm hard drives and my desktops
> > have 7200 rpm hard drives.
> >
> > The 64 bit version of Debian makes this thing crawl. It takes at least
> > 8 - 10 seconds to open Firefox. The 32 bit install opens Firefox in
> > less than 1/2 the time.
>
> Maybe the 64 bit install has a problem with DMA; that can cost you a
> factor 10 in harddrive access times. You can check this with "hdparm".
>
> --
> Regards,
> Florian
I had trouble with extreme sloth of an AMD64 install; using an
installer with a more recent kernel seemed to improve things.
I don't know what the problem was. With the slow installer I never got
as far as running the system, though. God it was *slow*!
-- hendrik
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