<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=UTF-8" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Check the kernel version and update. If in any case the problems persist, make a simply test with the last kernel version 2.6.21.5 With 4 Gbyte of ram i have a problems on sata controller because that dont recognize the HD device, but i fixed with the kernel upgrade. Look here: <a class="moz-txt-link-freetext" href="https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=242969">https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=242969</a> Bye Giancarlo Marcelo de Souza Sant'Anna ha scritto: <blockquote cite="mid1183448316.6796.3.camel@notebook-santanna" type="cite"> <meta http-equiv="Content-Type" content="text/html; "> <meta name="GENERATOR" content="GtkHTML/3.14.2"> Read this too: <a href="http://fedora.kiewel-online.de/repoview/linux/releases/7/Everything/i386/repodata/repoview/kernel-PAE-0-2.6.21-1.3194.fc7.html">http://fedora.kiewel-online.de/repoview/linux/releases/7/Everything/i386/repodata/repoview/kernel-PAE-0-2.6.21-1.3194.fc7.html</a> On Mon, 2007-07-02 at 22:37 -0400, Srikanth Konjarla wrote: <blockquote type="CITE"> <pre>Thanks for the response. Interestingly, i could not find any BIOS options pertaining to memory. I found the following. # cat /proc/mtrr reg00: base=0xfeda0000 (4077MB), size= 128KB: write-back, count=1 reg01: base=0xfff00000 (4095MB), size= 1MB: write-protect, count=1 reg02: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 reg03: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 reg04: base=0xc0000000 (3072MB), size= 256MB: write-back, count=1 Could be incompatible memory modules or something? Thanks Srikanth Wolfgang S. Rupprecht wrote: > Srikanth Konjarla <<a href="mailto:srikanth.konjarla@gmail.com">srikanth.konjarla@gmail.com</a>> writes: >> I am running F7 in 64-bit mode on a laptop. I have upgraded the memory >> from 3G to 4G (Bios confirms it) but kernel sees only 3.2G (i have >> passed mem=4096M kernel parameter). Wondering if i am missing anything >> here. > > What you are missing is the really nasty design of IBM-PC legacy > memory allocations. ;-) > > Play around in your BIOS and see if you can map the excess memory > above 4GB. Often the labels for the settings will have the term > "MTRR" in the name. When you get it right "cat /proc/mtrr" should > show the extra 750MBytes mapped above 4 Gigs. The setting names might > not make much sense (at least they don't on my Tyan). You might need > to just try them all and see what effect they have on the linux mttr > settings. Here is what it looks like on my board when I have it set > to see all 4 GBytes: > > $ cat /proc/mtrr > reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 > reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 > reg02: base=0xc0000000 (3072MB), size= 256MB: write-back, count=1 > reg03: base=0xcff00000 (3327MB), size= 1MB: uncachable, count=1 > reg04: base=0x100000000 (4096MB), size= 512MB: write-back, count=1 > reg05: base=0x120000000 (4608MB), size= 256MB: write-back, count=1 > reg06: base=0xd8000000 (3456MB), size= 128MB: write-combining, count=2 > > Notice the first 3 entries are 3.25 GBytes (reg00, reg01 and reg02). > The last 0.75GBytes are mapped above 4GByte (reg04 and reg05). > > -wolfgang </pre> </blockquote> </blockquote> <pre class="moz-signature" cols="72">-- ------------------------------------------------------------------------ Giancarlo del Rossi RHCE - System Administrator EnterMED s.r.l - Via liberta' 56 - 90143 Palermo +39917303009 - +3991305023 - +3497609610 <a class="moz-txt-link-freetext" href="http://www.entermed.it">http://www.entermed.it</a> - <a class="moz-txt-link-abbreviated" href="mailto:gdelrossi@entermed.it">gdelrossi@entermed.it</a> -- Ennyn Durin Aran Moria: pedo mellon a minno -- ------------------------------------------------------------------------ </pre> </body> </html>