From owner-freebsd-current Sat Oct 6 13:10:44 2001 Delivered-To: freebsd-current@freebsd.org Received: from mail-relay1.yahoo.com (mail-relay1.yahoo.com [216.145.48.34]) by hub.freebsd.org (Postfix) with ESMTP id ECB3037B403 for ; Sat, 6 Oct 2001 13:10:41 -0700 (PDT) Received: from DougBarton.net (db-cvad-2-tmp.yahoo.com [216.145.48.243]) by mail-relay1.yahoo.com (Postfix) with ESMTP id 3E9078B5AE; Sat, 6 Oct 2001 13:10:41 -0700 (PDT) Message-ID: <3BBF6540.AF950344@DougBarton.net> Date: Sat, 06 Oct 2001 13:10:40 -0700 From: Doug Barton Organization: Triborough Bridge & Tunnel Authority X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: Bruce Evans Cc: freebsd-current@FreeBSD.ORG Subject: Re: panic: blockable sleep lock (sx) allproc @ /usr/local/src/sys/kern/kern_proc.c:212 References: <20011001131719.B76679-100000@delplex.bde.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Bruce Evans wrote: > This is a well-know bug in printf(9). The TIOCCONS ioctl always gave > non-deterministic crashes. Now it gives determinstic panics when > pintf() is called while sched_lock is held. Work-around: don't use > anything that uses TIOCCONS (xconsole?). Yes, I'm using xconsole, and I find it very useful. How hard would it be to actually fix this? I'm still crashing fairly often with this same exact problem. -- "We will not tire, we will not falter, and we will not fail." - George W. Bush, President of the United States September 20, 2001 Do YOU Yahoo!? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message