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SubjectRe: Shared memory not enabled in 2.4.0?
On Mon, 8 Jan 2001 Steven_Snyder@3com.com wrote:
> For some reason shared memory is not being enabled on my system running kernel
> v2.4.0 (on RedHat v6.2, with all updates applied).
>
> Per the documentation I have this line in my /etc/fstab:
>
> none /dev/shm shm defaults 0 0
>
> Yes, I have created this subdirectory:
>
> # ls -l /dev | grep shm
> drwxrwxrwt 1 root root 0 Jan 7 11:54 shm
>
> No complaints are seen at startup, yet I still have no shared memory:
>
> # cat /proc/meminfo
> total: used: free: shared: buffers: cached:
> Mem: 130293760 123133952 7159808 0 30371840 15179776
> Swap: 136241152 0 136241152
> MemTotal: 127240 kB
> MemFree: 6992 kB
> MemShared: 0 kB
> Buffers: 29660 kB
> Cached: 14824 kB
> Active: 3400 kB
> Inact_dirty: 37872 kB
> Inact_clean: 3212 kB
> Inact_target: 4 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 127240 kB
> LowFree: 6992 kB
> SwapTotal: 133048 kB
> SwapFree: 133048 kB

You should check shared memory with "ipcs" instead.

Make sure you enabled "System V IPC" under "General Setup" (it's a
default value, though).
--
Ernesto Hernández-Novich - Running Linux 2.4.0 i686 - Unix: Live free or die!
-----BEGIN GEEK CODE BLOCK-----
Version: 3.1
GCS/E d+(++) s+: a C+++$ UBLAVHIOSC*++++$ P++++$ L+++$ E- W+ N++ o K++ w--- O-
M- V PS+ PE Y+ PGP>++ t+ 5 X+ R* tv+ b++ DI+++$ D++ G++ e++ h r++ y+
-----END GEEK CODE BLOCK-----


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