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
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