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* 2.4.24 HIGHMEM=300m: BUG: wrong zone alignment, it will crash
@ 2004-02-06  3:21 Michael Frank
  2004-02-06  9:39 ` vda
  0 siblings, 1 reply; 2+ messages in thread
From: Michael Frank @ 2004-02-06  3:21 UTC (permalink / raw)
  To: linux-kernel

System has 500M RAM. When using highmem=300m dmesg as follows.

Linux version 2.4.24-mhf168 (root@mhfl4) (gcc version 2.95.3 20010315 (release)) #2 Fri Feb 6 11:08:28 HKT 2004
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000001eff0000 (usable)
 BIOS-e820: 000000001eff0000 - 000000001eff3000 (ACPI NVS)
 BIOS-e820: 000000001eff3000 - 000000001f000000 (ACPI data)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
300MB HIGHMEM available.
195MB LOWMEM available.
On node 0 totalpages: 126960
zone(0): 4096 pages.
zone(1): 46064 pages.
zone(2): 76800 pages.
BUG: wrong zone alignment, it will crash
Kernel command line: vga=0xf07 root=/dev/hda4 resume2=swap:/dev/hda1 console=tty0 console=ttyS0,115200n8r devfs=nomount nousb acpi=off highmem=300m

What went wrong ?

Michael


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: 2.4.24 HIGHMEM=300m: BUG: wrong zone alignment, it will crash
  2004-02-06  3:21 2.4.24 HIGHMEM=300m: BUG: wrong zone alignment, it will crash Michael Frank
@ 2004-02-06  9:39 ` vda
  0 siblings, 0 replies; 2+ messages in thread
From: vda @ 2004-02-06  9:39 UTC (permalink / raw)
  To: Michael Frank, linux-kernel

On Friday 06 February 2004 05:21, Michael Frank wrote:
> System has 500M RAM. When using highmem=300m dmesg as follows.

500m total or 500m over 4g?

> Linux version 2.4.24-mhf168 (root@mhfl4) (gcc version 2.95.3 20010315
> (release)) #2 Fri Feb 6 11:08:28 HKT 2004 BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)

low 640k

>  BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000001eff0000 (usable)

almost up to 512m mark only. So, you dont have any highmem.

>  BIOS-e820: 000000001eff0000 - 000000001eff3000 (ACPI NVS)
>  BIOS-e820: 000000001eff3000 - 000000001f000000 (ACPI data)
>  BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
> 300MB HIGHMEM available.

you lied to kernel

> 195MB LOWMEM available.
> On node 0 totalpages: 126960
> zone(0): 4096 pages.
> zone(1): 46064 pages.
> zone(2): 76800 pages.
> BUG: wrong zone alignment, it will crash
> Kernel command line: vga=0xf07 root=/dev/hda4 resume2=swap:/dev/hda1
> console=tty0 console=ttyS0,115200n8r devfs=nomount nousb acpi=off
> highmem=300m
  ^^^^^^^^^^^^ wrong
>
> What went wrong ?
-- 
vda

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2004-02-06  3:21 2.4.24 HIGHMEM=300m: BUG: wrong zone alignment, it will crash Michael Frank
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