ronald@robobar.co.uk (Ronald S H Khoo) (03/28/91)
I've left the other params defaulted, and just upped MSGSEG to 8192, and msgsnd() now just hangs (or returns EAGAIN if IPC_NOWAIT is true). It's OK at 8001 or 9216 but just seems to dislike 8192. Are there any known problems with Xenix's message queue code ? Any positive info on how best to avoid them (like good magic values to tune to) ? [ I'm on 2.3.2 (AT) + xnx155b, but I'd like to know about problems with 2.2.1 too (386, that is) -- some of our sites at 2.2.1 (with default tuning) seem to have their message queues get stuck in a similar way on an irregular but frequent basis. I'd previously blamed our code, written long before I arrived, I hasten to add, but with this problem arising, I've begun to wonder ... ] -- Ronald Khoo <ronald@robobar.co.uk> +44 81 991 1142 (O) +44 71 229 7741 (H)