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

DISCUSSION Yao Fei Zhu 1 participant 2 messages Aug 30, 2006 Memory management

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Yao Fei Zhu

author

2006-08-30 03:43 UTC #0 lore raw

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

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Yao Fei Zhu

author

2006-08-30 05:06 UTC #1 lore raw

Quoted 14 lines · Yao Fei Zhu

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

Quoted 6 lines

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.

Quoted 11 lines

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