Hi, just one thing, in my servers with 32 bits I need to install de kernel PAE as they have said you: uname -a Linux server 2.6.18-164.el5PAE #1 SMP Tue Aug 18 15:59:11 EDT 2009 i686 i686 i386 GNU/Linux rpm -qa | grep -i pae kernel-PAE-2.6.18-128.1.14.el5 kernel-PAE-2.6.18-164.el5 kernel-PAE-2.6.18-128.1.1.el5 I think you need this kind of kernel, I don´t know why other servers show you the memory correctly Greetings ESG 2009/12/23 sunhux G <sunhux@xxxxxxxxx> > For other RHEL servers that shows the RAM amt correctly, > "uname -a" & "dmesg" show the following : > > # uname -a > Linux SvrWith_8GBRam 2.6.9-67.0.7.ELsmp #1 SMP Wed Feb 27 04:48:20 EST 2008 > i686 i686 i386 GNU/Linux > > # dmesg | grep -i mem > 8320MB HIGHMEM available. > > > For the "weird" server, the uname, dmesg & top are as follows : > (I'll collect "dmidecode | grep -e Memory\ Device$ -A5" tomorrow) > > # uname -a > Linux SvrWith_3GbRam 2.6.18-53.el5 #1 SMP Wed Oct 10 16:34:02 EDT 2007 i686 > i686 i386 GNU/Linux > > # dmesg | grep -i mem > 3200MB HIGHMEM available. > 896MB LOWMEM available. > Memory for crash kernel (0x0 to 0x0) notwithin permissible range > HighMem zone: 819200 pages, LIFO batch:31 > Memory: 3365612k/4194304k available (2080k kernel code, 40228k reserved, > 869k data, 220k init, 2489644k highmem) > Freeing initrd memory: 2468k freed > MEM window: f2000000-f5ffffff > MEM window: f6000000-f60fffff > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > MEM window: disabled. <== anything wrong with this? > highmem bounce pool size: 64 pages > > > top - 00:18:20 up 3 days, 12:32, 2 users, load average: 0.14, 0.07, 0.02 > Tasks: 155 total, 1 running, 154 sleeping, 0 stopped, 0 zombie > Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.8%id, 0.0%wa, 0.0%hi, 0.0%si, > 0.0%st > Mem: 3369208k total, 3284572k used, 84636k free, 185648k buffers > Swap: 8193108k total, 200k used, 8192908k free, 2756496k cached > > > # more /proc/meminfo > MemTotal: 3369208 kB > MemFree: 84760 kB > Buffers: 185668 kB > Cached: 2756484 kB > SwapCached: 0 kB > Active: 508672 kB > Inactive: 2635140 kB > HighTotal: 2489644 kB > HighFree: 12244 kB > LowTotal: 879564 kB > LowFree: 72516 kB > SwapTotal: 8193108 kB > SwapFree: 8192908 kB > > > On Wed, Dec 23, 2009 at 8:35 AM, Ramakrishnan Seshadhri < > ramakrishnan42@xxxxxxxxx> wrote: > > > Hi, > > > > What is your Linux Kernel Version. Is it a PAE kernel (Physical Address > > xtension) > > > > Provide the output of # uname -a. > > > > If your kernel is not a PAE kernel it wont detect your physical memory > more > > than 3072 MB. > > > > Hope it helps your situation. > > > > Ram > > > > On Tue, Dec 22, 2009 at 10:32 PM, Eugene Vilensky <evilensky@xxxxxxxxx > > >wrote: > > > > > >> why is "top" or "dmesg" showing only 3GB RAM > > > >> instead of 4GB if 4GB is the max the 32 bit RHEL > > > >> can support? > > > >> > > > >> Supposedly there's 16GB physical RAM inserted > > > >> in the hardware > > > > > > Could you copy/paste your exact top output as well as the output of > > > "dmidecode | grep -e Memory\ Device$ -A5" > > > > > > -- > > > redhat-list mailing list > > > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > > > https://www.redhat.com/mailman/listinfo/redhat-list > > > > > -- > > redhat-list mailing list > > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
