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Re: Machine livelock with latest (4.99.48) kernel on sparc64




To: Tobias Nygren <tnn%NetBSD.org@localhost>

Subject: Re: Machine livelock with latest (4.99.48) kernel on sparc64

From: Andrew Doran <ad%netbsd.org@localhost>

Date: Sun, 6 Jan 2008 22:45:50 +0000


On Sun, Jan 06, 2008 at 11:11:16PM +0100, Tobias Nygren wrote:

> I can reproduce this, with a LOCKDEBUG kernel.

LOCKDEBUG uses a lot of wired memory.

> I don't have any swap enabled so instead of death by vm thrashing I get
> killed processes. I guess this could be a problem with the sparc64 atomic
> ops, since the uvmexp accounting doesn't add up.

I also suspect that. I'll take a look, although if someone with more sparc
assembly knowhow could look too that would be great.

Andrew



Follow-Ups:

Re: Machine livelock with latest (4.99.48) kernel on sparc64
From: Tobias Nygren


References:

Machine livelock with latest (4.99.48) kernel on sparc64
From: Rafal Boni

Re: Machine livelock with latest (4.99.48) kernel on sparc64
From: Rafal Boni

Re: Machine livelock with latest (4.99.48) kernel on sparc64
From: Rafal Boni

Re: Machine livelock with latest (4.99.48) kernel on sparc64
From: Tobias Nygren




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