If I am not mistaken, I believe the processor does not dictate memory support, your motherboard does that. On Sat, 2009-03-07 at 16:08 +0500, saqib butt wrote: > hi, > > I have Intel Pentium Dual Core E2180 / 2 GHz processor. i just > upgraded my system with 4 memory sticks i.e. 8GB of RAM due to my > requirements. > > Now the issue that i am facing is that my 64bit fedora system does not > showing and supporting more than 3.2 gigs of RAM when i consult > "/proc/meminfo", "free -m" and "top". > > Also I am getting the following system prompt, > > ===== > > Kernel failure message 1: > WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB > of RAM. > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/cpu/mtrr/main.c:1557 > mtrr_trim_uncached_memory+0x2c3/0x2ee() (Not tainted) > Hardware name: > Modules linked in: > Pid: 0, comm: swapper Not tainted 2.6.27.19-170.2.35.fc10.x86_64 #1 > Mar 7 15:54:38 localhost kernel: Call Trace: > [<ffffffff81041a52>] warn_on_slowpath+0x80/0xb0 > [<ffffffff8116e66a>] ? generic_swap+0x0/0x23 > [<ffffffff815a9fd3>] ? cmp_range+0x0/0xb > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff815ab54b>] mtrr_trim_uncached_memory+0x2c3/0x2ee > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff8159f140>] ? early_idt_handler+0x0/0x71 > [<ffffffff815a6e2c>] setup_arch+0x410/0x777 > [<ffffffff8133396b>] ? _spin_lock+0xa/0xc > [<ffffffff8159fa34>] start_kernel+0x8d/0x3aa > [<ffffffff8159f2ba>] x86_64_start_reservations+0xa5/0xa9 > [<ffffffff8159f3ae>] x86_64_start_kernel+0xcd/0xdc > Mar 7 15:54:38 localhost kernel: ---[ end trace 4eaa2a86a8e2da22 ]--- > > > Kernel failure message 2: > WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB > of RAM. > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/cpu/mtrr/main.c:1557 > mtrr_trim_uncached_memory+0x2c3/0x2ee() (Not tainted) > Hardware name: > Modules linked in: > Pid: 0, comm: swapper Not tainted 2.6.27.19-170.2.35.fc10.x86_64 #1 > Mar 7 15:51:36 localhost kernel: Call Trace: > [<ffffffff81041a52>] warn_on_slowpath+0x80/0xb0 > [<ffffffff8116e66a>] ? generic_swap+0x0/0x23 > [<ffffffff815a9fd3>] ? cmp_range+0x0/0xb > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff815ab54b>] mtrr_trim_uncached_memory+0x2c3/0x2ee > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff8159f140>] ? early_idt_handler+0x0/0x71 > [<ffffffff815a6e2c>] setup_arch+0x410/0x777 > [<ffffffff8133396b>] ? _spin_lock+0xa/0xc > [<ffffffff8159fa34>] start_kernel+0x8d/0x3aa > [<ffffffff8159f2ba>] x86_64_start_reservations+0xa5/0xa9 > [<ffffffff8159f3ae>] x86_64_start_kernel+0xcd/0xdc > Mar 7 15:51:36 localhost kernel: ---[ end trace 4eaa2a86a8e2da22 ]--- > > > Kernel failure message 3: > WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB > of RAM. > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/cpu/mtrr/main.c:1557 > mtrr_trim_uncached_memory+0x2c3/0x2ee() (Not tainted) > Hardware name: > Modules linked in: > Pid: 0, comm: swapper Not tainted 2.6.27.19-170.2.35.fc10.x86_64 #1 > Mar 7 15:33:02 localhost kernel: Call Trace: > [<ffffffff81041a52>] warn_on_slowpath+0x80/0xb0 > [<ffffffff8116e66a>] ? generic_swap+0x0/0x23 > [<ffffffff815a9fd3>] ? cmp_range+0x0/0xb > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff815ab54b>] mtrr_trim_uncached_memory+0x2c3/0x2ee > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff8159f140>] ? early_idt_handler+0x0/0x71 > [<ffffffff815a6e2c>] setup_arch+0x410/0x777 > [<ffffffff8133396b>] ? _spin_lock+0xa/0xc > [<ffffffff8159fa34>] start_kernel+0x8d/0x3aa > [<ffffffff8159f2ba>] x86_64_start_reservations+0xa5/0xa9 > [<ffffffff8159f3ae>] x86_64_start_kernel+0xcd/0xdc > Mar 7 15:33:02 localhost kernel: ---[ end trace 4eaa2a86a8e2da22 ]--- > > > Kernel failure message 4: > WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB > of RAM. > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/cpu/mtrr/main.c:1557 > mtrr_trim_uncached_memory+0x2c3/0x2ee() (Not tainted) > Hardware name: > Modules linked in: > Pid: 0, comm: swapper Not tainted 2.6.27.19-170.2.35.fc10.x86_64 #1 > Mar 7 15:29:08 localhost kernel: Call Trace: > [<ffffffff81041a52>] warn_on_slowpath+0x80/0xb0 > [<ffffffff8116e66a>] ? generic_swap+0x0/0x23 > [<ffffffff815a9fd3>] ? cmp_range+0x0/0xb > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff815ab54b>] mtrr_trim_uncached_memory+0x2c3/0x2ee > [<ffffffff81331660>] ? printk+0x3c/0x44 > [<ffffffff8159f140>] ? early_idt_handler+0x0/0x71 > [<ffffffff815a6e2c>] setup_arch+0x410/0x777 > [<ffffffff8133396b>] ? _spin_lock+0xa/0xc > [<ffffffff8159fa34>] start_kernel+0x8d/0x3aa > [<ffffffff8159f2ba>] x86_64_start_reservations+0xa5/0xa9 > [<ffffffff8159f3ae>] x86_64_start_kernel+0xcd/0xdc > Mar 7 15:29:08 localhost kernel: ---[ end trace 4eaa2a86a8e2da22 ]--- > > > Kernel failure message 5: > WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB > of RAM. > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/cpu/mtrr/main.c:1555 > mtrr_trim_uncached_memory+0x2b4/0x2df() (Not tainted) > Modules linked in: > Pid: 0, comm: swapper Not tainted 2.6.27.5-117.fc10.x86_64 #1 > Mar 7 14:39:07 localhost kernel: Call Trace: > [<ffffffff810418f2>] warn_on_slowpath+0x60/0x90 > [<ffffffff8116d95a>] ? generic_swap+0x0/0x23 > [<ffffffff815a7f7f>] ? cmp_range+0x0/0xb > [<ffffffff8132faf6>] ? printk+0x3c/0x3e > [<ffffffff815a94e8>] mtrr_trim_uncached_memory+0x2b4/0x2df > [<ffffffff8132faf6>] ? printk+0x3c/0x3e > [<ffffffff8159d140>] ? early_idt_handler+0x0/0x72 > [<ffffffff815a4dd3>] setup_arch+0x3ff/0x76b > [<ffffffff81331deb>] ? _spin_lock+0xa/0xc > [<ffffffff8159da34>] start_kernel+0x8d/0x3aa > [<ffffffff8159d2ba>] x86_64_start_reservations+0xa5/0xa9 > [<ffffffff8159d3ae>] x86_64_start_kernel+0xcd/0xdc > Mar 7 14:39:07 localhost kernel: ---[ end trace 4eaa2a86a8e2da22 ]--- > > ===== > > I have "2.6.27.19-170.2.35.fc10.x86_64" version of kernel with the > following kernel packages installed, > > kernel-devel-2.6.27.19-170.2.35.fc10.x86_64 > kerneloops-0.12-1.fc10.x86_64 > kernel-headers-2.6.27.19-170.2.35.fc10.x86_64 > kernel-firmware-2.6.27.19-170.2.35.fc10.noarch > kernel-doc-2.6.27.19-170.2.35.fc10.noarch > kernel-debug-devel-2.6.27.19-170.2.35.fc10.x86_64 > kernel-debug-2.6.27.19-170.2.35.fc10.x86_64 > kernel-2.6.27.19-170.2.35.fc10.x86_64 > > > -- > fedora-test-list mailing list > fedora-test-list@xxxxxxxxxx > To unsubscribe: > https://www.redhat.com/mailman/listinfo/fedora-test-list -- fedora-test-list mailing list fedora-test-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-test-list
