From owner-freebsd-stable@FreeBSD.ORG Mon Dec 23 05:29:59 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 23E9DC50 for ; Mon, 23 Dec 2013 05:29:59 +0000 (UTC) Received: from mail-qa0-x234.google.com (mail-qa0-x234.google.com [IPv6:2607:f8b0:400d:c00::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id D74791975 for ; Mon, 23 Dec 2013 05:29:58 +0000 (UTC) Received: by mail-qa0-f52.google.com with SMTP id cm18so4731548qab.18 for ; Sun, 22 Dec 2013 21:29:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=zyWnwjREk/e8wMUNfdZ3IUypR1gEXHv375IcIBc7Qz0=; b=q8qM9odBFgLAEULGVjVZFhr0291iWxpA+X43Gp3ycNs8LDa/afZpfNnAFa+HaQ1HDf 9hTMZ5s9mb0c6iSq0czpHK0FzzfKakujXYRSa3NJgQxKYaJKf7DsjwEgX9yEuxbdZIdJ zCL8Rw9Ua4aEijEemQFdaNexuji4mDs3eRNWZ+ng6g+VACJSwvPDtCKiA+6mE+t59oEW 4lv5OV8O/f8nBm0sI12M7A0+0pt0xyeU1V4EoJh0FLUrQFVPYMzhsSM5ISPcPUPiCNB1 Y1CFXEThlF2XS6aqZTBKNGEWj3H8bK/j7BUYffOu/EntcQFWyAuLMiBuPUkQSgH/o8yu aFTA== MIME-Version: 1.0 X-Received: by 10.224.13.141 with SMTP id c13mr31075591qaa.76.1387776598080; Sun, 22 Dec 2013 21:29:58 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.224.53.200 with HTTP; Sun, 22 Dec 2013 21:29:58 -0800 (PST) In-Reply-To: <52B78808.1090802@ijs.si> References: <52B78808.1090802@ijs.si> Date: Sun, 22 Dec 2013 21:29:58 -0800 X-Google-Sender-Auth: aM_Vqbfv1VuAJ5TXwf5DG7EcfD8 Message-ID: Subject: Re: Graphical console in stable/10 stuck on heavy writing From: Adrian Chadd To: Mark Martinec Content-Type: text/plain; charset=ISO-8859-1 Cc: FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Dec 2013 05:29:59 -0000 I see this when the kernel is outputting debugging .. the console can quickly lock up exactly how you describe. I've never figured out why though. :( -a On 22 December 2013 16:47, Mark Martinec wrote: > FreeBSD amd64, recent stable/10: > > When running some task on a graphical console window > and that task writes lots of output to a console, the > console gets stuck after some time (like 20 minutes), > output stops, keyboard appears unresponsive, alt-ctrl-Fn > is unable to switch consoles - but the machine seems > otherwise sane: I can log in over ssh, file system and > processes are healthy, CPU not busy. > > This was first noticed trying to rebuild kde from > ports in a console window. Same happened when bulk > updating packages from a remote site and the pkg update > was busily writing its output to a console. > > The same heavy tasks (e.g. ports rebuild) can run > just fine in an ssh session, or in a konsole / xterm. > > As a final proof, I tried a perl one-liner which > writes a line (a count and some text) ten times per > second: it manages to screw up the console window > in about 6 minutes. > > Interestingly, while the console output is stuck > and I blindly type a command on a keyboard (no echo), > then run a shutdown from another (ssh) session, > the console output gets unstuck during shutdown, > rapidly displays the missing lines, including the > echo of a command typed blindly previously, along > with its output. > > Btw, this never happened on this machine while it was > running 9.2 or older versions. > > Anybody seen this or can reproduce it? > > Mark > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"