linux swap freeze STILL in 2.4.x

[Marc Lehmann <pcg@goof.com>]

It seems linux-2.4 still freezes on out-of-memory situations:

I was using 2.4.2-ac3 SMP and had a fairly large background job that takes
hundreds of megabytes of memory, much more than I have:

Mem:        255296      81836     173460          0      10324      30608
Swap:        99992          0      99992

Usually I swapon ./swap some 512MB swapfile, but today I forgot it. When the
machine started to get sluggish I sent the process a -STOP signal.

Swap:        99992      99992          0

O.k, (I had about 12MB of main memory free (in the +/- buffers line of
free) and the machine was sluggish but workable for about five minutes. At
the instant I did a swapon ./swap the machine froze hard (no sysrq, no
ping etc...)

I thought these complete freezes on OOM-situations had been fixed in
2.4.x? Do I have to watch out for andrea's fix-2.4-oom patches?

;)

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