From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@coraid.com>
Date: Wed, 22 Jul 2009 11:53:15 -0400
To: 9fans@9fans.net
Message-ID: <c37e1622e5564bc52038c6c6b6c3f374@coraid.com>
In-Reply-To: <2e4e4c86a2627356fac6b5a7ae3d5287@plan9.cs.bell-labs.com>
References: <c474560c799e51ecf948e9c09cb5a438@9grid.es>
	<2e4e4c86a2627356fac6b5a7ae3d5287@plan9.cs.bell-labs.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Subject: Re: [9fans] strange behaviour of ps under load
Topicbox-Message-UUID: 2a75ea24-ead5-11e9-9d60-3106f5b1d025

On Wed Jul 22 11:49:54 EDT 2009, sape@plan9.bell-labs.com wrote:
> Very odd. There are no blocking operations in reading the status file in /proc.
> The only thing I can think of is that you have something bound (snapfs?) in /proc
> and that you're hanging on a stale mount point.
>
> Is the clock set properly on that machine?

but there is a qlock of p->debug in procopen:
/n/sources/plan9/sys/src/9/port/devproc.c:368
	qlock(&p->debug);

- erik