Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265739AbTFSJER (ORCPT ); Thu, 19 Jun 2003 05:04:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265742AbTFSJER (ORCPT ); Thu, 19 Jun 2003 05:04:17 -0400 Received: from asclepius.uwa.edu.au ([130.95.128.56]:38108 "EHLO asclepius.uwa.edu.au") by vger.kernel.org with ESMTP id S265739AbTFSJEQ (ORCPT ); Thu, 19 Jun 2003 05:04:16 -0400 Date: Thu, 19 Jun 2003 17:17:43 +0800 From: Bernard Blackham To: Florian-Daniel Otel Cc: EricAltendorf@orst.edu, Linux Kernel Mailing List Subject: Re: [Swsusp-devel] Re: RTC causes hard lockups in 2.5.70-mm8 Message-ID: <20030619091743.GA765@amidala> References: <1055492730.5162.0.camel@dhcp22.swansea.linux.org.uk> <200306171232.27887.EricAltendorf@orst.edu> <200306190031.54686.EricAltendorf@orst.edu> <16113.30505.519963.233275@solen.ce.chalmers.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16113.30505.519963.233275@solen.ce.chalmers.se> Organization: Dagobah Systems User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 30 On Thu, Jun 19, 2003 at 10:41:13AM +0200, Florian-Daniel Otel wrote: > I can confirm the RTC problems on a Fujitsu LifeBook P2120 (Crusoe > TM5800, ALi, ACPI). In my case I was even more fortunate (??) since > using RTC (either compiled-in in the kernel and/or as a module), any > call to "hwclock" locks the machine rock solid Ditto. Also an ALi here. I traced it through (printk debugging) and it appears to lock up in the call to schedule() in rtc_read(). (2.4.21) Has happened since about 2.4.21-pre3'ish. Haven't had time yet to establish exactly which release (or ACPI release) started it. A quirkier but similar bug - this laptop would freeze when writing to the hardware clock *IF* there was a CD-ROM in the drive (IDE). This freeze also seemed to occur at midnight most nights. Ejecting the CD-ROM before saving the hwclock and also at 11:59pm disabled the problem. This problem existed even without ACPI. Bernard. -- Bernard Blackham bernard at blackham dot com dot au - 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/