Fedora Users — Re: FC6 kernels & 4GB of memory

Re: FC6 kernels & 4GB of memory

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To: For users of Fedora <fedora-list@xxxxxxxxxx>

Subject: Re: FC6 kernels & 4GB of memory

From: Darryl <fedora@xxxxxxxxxxxxxx>

Date: Thu, 17 May 2007 00:17:15 -0700

In-reply-to: <46496604.6000904@xxxxxxxxxxxxxx>

References: <46496604.6000904@xxxxxxxxxxxxxx>

Reply-to: For users of Fedora <fedora-list@xxxxxxxxxx>

User-agent: Thunderbird 1.5.0.10 (X11/20070301)

Darryl wrote:

I tried downloading the latest/greatest 2.6.21 kernel and compiling myown 32bit "PAE" & "regular" kernels but they did the same thing."regular" sees all the memory but tells me to use a PAE kernel and "PAE"won't use all the memory and crashes on boot without mem=4095m. Alittle frustrating since the "regular" kernel and memtest86 see all thememory. The good news is that the on-board NIC is natively supported in.21 though :-/

I found a year-old posting from Andi Kleen that suggested using'iommu=force' for a VIA chipset and it actually worked :-) In the 64bitkernel anyway. The atl1 driver for the on-board NIC works in the 64bitkernel too but seems to make the machine reboot when doing a DHCPrequest for an IP address on 32bit kernels. I'd prefer to stick with32bit though...