Re: PCI oddities on Dell Inspiron 5000e w/ 2.4.x

Jeff Lessem (Jeff.Lessem@Colorado.EDU)
Sat, 24 Feb 2001 10:25:42 -0700


In your message of: Sat, 24 Feb 2001 09:54:47 CST, you write:
>Jeff, are you using the e820 memory map at all ? In particular, are you
>using grub or some other buggy bootloader that insists on specifying a
>mem= option on the kernel command line ? There should be a kernel command
>line message very early on, what does that say ?

Yes, I am using grub, the buggy bootloader. The relevant chunk of
kernal messages are:

BIOS-provided physical RAM map:
BIOS-e820: 000000000009f800 @ 0000000000000000 (usable)
BIOS-e820: 0000000000000800 @ 000000000009f800 (reserved)
BIOS-e820: 0000000000019800 @ 00000000000e6800 (reserved)
BIOS-e820: 0000000013ef0000 @ 0000000000100000 (usable)
BIOS-e820: 000000000000fc00 @ 0000000013ff0000 (ACPI data)
BIOS-e820: 0000000000000400 @ 0000000013fffc00 (ACPI NVS)
BIOS-e820: 0000000000080000 @ 00000000fff80000 (reserved)
On node 0 totalpages: 81904
zone(0): 4096 pages.
zone(1): 77808 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/hda1 mem=327616K

You are dead on, mem= seems a bit small. Forcing mem=320M on the
command line fixes the problem completely.

BIOS-provided physical RAM map:
BIOS-e820: 000000000009f800 @ 0000000000000000 (usable)
BIOS-e820: 0000000000000800 @ 000000000009f800 (reserved)
BIOS-e820: 0000000000019800 @ 00000000000e6800 (reserved)
BIOS-e820: 0000000013ef0000 @ 0000000000100000 (usable)
BIOS-e820: 000000000000fc00 @ 0000000013ff0000 (ACPI data)
BIOS-e820: 0000000000000400 @ 0000000013fffc00 (ACPI NVS)
BIOS-e820: 0000000000080000 @ 00000000fff80000 (reserved)
On node 0 totalpages: 81920
zone(0): 4096 pages.
zone(1): 77824 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/hda1 mem=320M
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