Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 3 May 2002 20:32:21 +0200
From:      Hanspeter Roth <hanspeter_roth@hotmail.com>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: cat /dev/mem kills system under stable
Message-ID:  <20020503203221.A20524@bsag.ch>
In-Reply-To: <20020502144558.26448.qmail@twinlark.arctic.org>; from atk2@arctic.org on Thu, May 02, 2002 at 02:45:58PM -0000
References:  <20020502144558.26448.qmail@twinlark.arctic.org>

next in thread | previous in thread | raw e-mail | index | archive | help
  On May 02 at 14:45, atk2@arctic.org spoke:

> Accessing /dev/mem via a read operation (aka cat /dev/mem or dd if=/dev/mem)
> hangs 4.5-stable. No panic ...

Do you want to cat the _whole_ /dev/mem?
Maybe you read some registers of I/O-devices.
Does it also hang with `dd if=/dev/mem count=10'?

-Hanspeter

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020503203221.A20524>