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Re: [PATCH] Assorted SPARC fixes


From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 9 Jan 2006 15:50:37 +0100

> tst-cancelx{4,5} (cancellation for pause failed, no idea what's
> going up yet) and tst-cancelx21 (haven't looked)),

The cancelation tests usually fail because they don't use a large
enough pipe write buffer to block with 2.6.x kernels.

It has been suggested in the past to convert these tests to use
AF_UNIX sockets with a reduced socket send buffer setting in order to
get a guarenteed block.

I think this should explain tst-cancelx{4,5} but not tst-cancelx21


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