Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261195AbVAGDAs (ORCPT ); Thu, 6 Jan 2005 22:00:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261212AbVAGC7z (ORCPT ); Thu, 6 Jan 2005 21:59:55 -0500 Received: from clock-tower.bc.nu ([81.2.110.250]:57023 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S261195AbVAGC7m (ORCPT ); Thu, 6 Jan 2005 21:59:42 -0500 Subject: Re: [BUG][2.6.8.1] serial driver hangs SMP kernel, but not the UP kernel From: Alan Cox To: Paul Fulghum Cc: Tim_T_Murphy@Dell.com, rmk+lkml@arm.linux.org.uk, Linux Kernel Mailing List In-Reply-To: <41DDDB47.8050008@microgate.com> References: <4B0A1C17AA88F94289B0704CFABEF1AB0B4D32@ausx2kmps304.aus.amer.dell.com> <1105052674.24187.288.camel@localhost.localdomain> <41DDDB47.8050008@microgate.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1105062326.17176.313.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Fri, 07 Jan 2005 01:54:55 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 625 Lines: 14 On Gwe, 2005-01-07 at 00:43, Paul Fulghum wrote: > IIRC that guarantees a deadlock on SMP due to the > generic serial layer trying to grab a spinlock > that is already held. (Which prompted the original > bug report by Tim several months ago) I fixed the tty locking issues with that. If there are any left they should be solely in the serial generic code and I've no idea there - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/