Subject: Re: 1.6.1: temporary hang on I/O
To: Emmanuel Dreyfus <manu@netbsd.org>
From: Bang Jun-Young <junyoung@mogua.com>
List: netbsd-users
Date: 02/11/2004 02:59:59
On Tue, Feb 10, 2004 at 05:03:42PM +0000, Emmanuel Dreyfus wrote:
> Hi
> 
> On a stock 1.6.1, doing some I/O operations such as a tar -x or a cvs update
> sometimes hang the machine for 1-10 seconds, and then it carry on working.
> 
> While hang, it's still possible to switch among virtual consoles, typing
> return will produce a newline, but it's impossible to interract with the
> machine beyond that.
> 
> The situation is the same with or without soft updates. There is no kernel
> messages on the console.
> 
> Anyone has already saw that?

I have.

> Any fix or workaround available?

Backporting NEW_BUFQ_STRATEGY to netbsd-1-6?

Jun-Young