Hi Pavel,
--- Pavel wrote:
> Hello!
>
> I am using snapgear 3.4.0 and IXP425 platform with
> 64M RAM. I have some problems in
> tmpfs. After I mount tmpfs "mount tmpfs /var/tmp -t
> tmpfs", it say 32M free memory.
>
I usually use the -o option to control the size. For
example: mount -t tmpfs none /var/tmp -o size=16M
This way you can see if the problem is related to
size.
> # df
> Filesystem 1k-blocks Used Available
> Use% Mounted on
> /dev/ram0 8059 6567 1083
> 86% /
> /dev/mtdblock3 2048 492 1556
> 24% /disk0
> /tmpfs 31448 0 31448
> 0% /var/tmp
> #
> # cat /proc/meminfo
> MemTotal: 62896 kB
> MemFree: 45972 kB
> Buffers: 8192 kB
> Cached: 3424 kB
> SwapCached: 0 kB
> Active: 2240 kB
> Inactive: 10020 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 62896 kB
> LowFree: 45972 kB
> SwapTotal: 0 kB
> SwapFree: 0 kB
> Dirty: 0 kB
> Writeback: 0 kB
> Mapped: 1560 kB
> Slab: 2412 kB
> CommitLimit: 31448 kB
> Committed_AS: 3636 kB
> PageTables: 108 kB
> VmallocTotal: 958464 kB
> VmallocUsed: 16968 kB
> VmallocChunk: 941244 kB
> #
>
> When I tried to copy a files (~10M) into tmpfs, it
> will "Kernel panic".
>
> "Unable to handle kernel NULL pointer dereference at
> virtual address 00000118
> pgd = c0004000
> [00000118] *pgd=00000000
> Internal error: Oops: 17 [#1]
> .....
> "
>
Can you provide the complete Oops?
Regards,
...doug
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