From owner-freebsd-current Fri May 15 01:39:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id BAA08291 for freebsd-current-outgoing; Fri, 15 May 1998 01:39:24 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from freebie.lemis.com (freebie.lemis.com [139.130.136.133]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id BAA08283; Fri, 15 May 1998 01:39:18 -0700 (PDT) (envelope-from grog@lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.8.8/8.8.7) id SAA00217; Fri, 15 May 1998 18:09:17 +0930 (CST) (envelope-from grog) Message-ID: <19980515180916.J1953@freebie.lemis.com> Date: Fri, 15 May 1998 18:09:16 +0930 From: Greg Lehey To: dyson@FreeBSD.ORG, sos@FreeBSD.ORG Cc: current@FreeBSD.ORG Subject: Re: People having problems with X windows? References: <199805150636.IAA01056@sos.freebsd.dk> <199805150738.CAA03075@dyson.iquest.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Mailer: Mutt 0.91.1i In-Reply-To: <199805150738.CAA03075@dyson.iquest.net>; from John S. Dyson on Fri, May 15, 1998 at 02:38:54AM -0500 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 15 May 1998 at 2:38:54 -0500, John S. Dyson wrote: > Søren Schmidt said: >> In reply to John S. Dyson who wrote: >>> Check for a message something like: >>> >>> pmap: added WC mapping at address ???? >>> >>> There might be a correlation between that message and system failures? >> >> I did a few experiments here, if I start the X server from a telnet >> session, the server comes up with all its output on the telnet >> session, but the X display stop abruptly after very few screen >> updates, in my case it hangs in the startup of fvwm95. I had >> a top running on another telnet session and it continued to work >> and showed the X server eating up all available cpu on >> "CPU0", the top command run on CPU1 here so that might be >> why it still worked. everything else was dead in the water, >> ie no network no keyboard no nothing... >> > I just removed my WC "improvements", by adding the return to the > subroutine in the pmap code. See if it is more friendly. The > symptoms appear to be those associated with improper setting of > WC mode for a display adaptor. I had to add a heuristic to make > it work correctly on one of my cards, but I guess it was bad. > > The code is still in there, but I guess there is the need for more > research into the issue. Excuse my ignorance, but what's WC in this context? Greg -- See complete headers for address and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message