2006-08-30 03:43:09

by Yao Fei Zhu

Subject: Swap file or device can't be recognized by kernel built with 64K pages.

Problem description:
swap file or device can't be recognized by kernel built with 64K pages.

Hardware Environment:
Machine type (p650, x235, SF2, etc.): B70+
Cpu type (Power4, Power5, IA-64, etc.): POWER5+
Software Environment:
OS : SLES10 GMC
Kernel: 2.6.18-rc5
Additional info:

tc1:~ # uname -r
2.6.18-rc5-ppc64

tc1:~ # zcat /proc/config.gz | grep 64K
CONFIG_PPC_64K_PAGES=y

tc1:~ # mkswap ./swap.file
Assuming pages of size 65536 (not 4096)
Setting up swapspace version 0, size = 4294901 kB

tc1:~ # swapon ./swap.file
swapon: ./swap.file: Invalid argument

2006-08-30 05:06:09

by Yao Fei Zhu

Subject: Re: Swap file or device can't be recognized by kernel built with 64K pages.

Yao Fei Zhu wrote:

> Problem description:
> swap file or device can't be recognized by kernel built with 64K pages.
>
> Hardware Environment:
> Machine type (p650, x235, SF2, etc.): B70+
> Cpu type (Power4, Power5, IA-64, etc.): POWER5+
> Software Environment:
> OS : SLES10 GMC
> Kernel: 2.6.18-rc5
> Additional info:
>
> tc1:~ # uname -r
> 2.6.18-rc5-ppc64
>
> tc1:~ # zcat /proc/config.gz | grep 64K
> CONFIG_PPC_64K_PAGES=y
>
> tc1:~ # mkswap ./swap.file
> Assuming pages of size 65536 (not 4096)
> Setting up swapspace version 0, size = 4294901 kB

Should use mkswap -v1 to create a new style swap area.

>
> tc1:~ # swapon ./swap.file
> swapon: ./swap.file: Invalid argument
>
>
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