Re: hanging in wait_for_tcp_memory

From: Arjan van de Ven
Date: Thu Mar 11 2004 - 07:43:47 EST

On Thu, 2004-03-11 at 13:33, Gerald Krafft wrote:
> I have some database processes (Interbase V6) that occasionally seem to
> hang. Using ps or top I found that they are waiting in
> wait_for_tcp_memory. What exactly does wait_for_tcp_memory do and under
> which circumstances does this function block?
> I'm using Red Hat Linux 7.2, kernel version 2.4.7-10smp on a dual
> processor machine. Were there any known problems with
> wait_for_tcp_memory in that kernel version that might have been fixed in
> later versions

2.4.7-10 had a really really bad vm, so we replaced it with another
kernel the day of 7.2 release (which also was needed for security
fixes). Sounds like you need to apply a bunch of (security) errata to
get your system performing better...

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