Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261169AbVAWApr (ORCPT ); Sat, 22 Jan 2005 19:45:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261170AbVAWApr (ORCPT ); Sat, 22 Jan 2005 19:45:47 -0500 Received: from gate.crashing.org ([63.228.1.57]:28837 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S261169AbVAWApg (ORCPT ); Sat, 22 Jan 2005 19:45:36 -0500 Subject: Re: BUG: 2.6.11-rc2 and -rc1 hang during boot on PowerMacs From: Benjamin Herrenschmidt To: Mikael Pettersson Cc: Paul Mackerras , Linux Kernel list , linuxppc-dev list In-Reply-To: <200501221723.j0MHN6eD000684@harpo.it.uu.se> References: <200501221723.j0MHN6eD000684@harpo.it.uu.se> Content-Type: text/plain Date: Sun, 23 Jan 2005 11:43:56 +1100 Message-Id: <1106441036.5387.41.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1503 Lines: 39 On Sat, 2005-01-22 at 18:23 +0100, Mikael Pettersson wrote: > Kernels 2.6.11-rc2 and -rc1 hang during boot on my Beige PowerMac G3. > The last kernel message on the console is: > > adb: starting probe task... > > At this point the kernel hangs and doesn't respond to any attempt > to invoke SYSRQ or XMON. Normally the subsequent messages would be: > > adb devices: [2]: 2 5 [3]: 3 1 > ADB keyboard at 2, handler set to 3 > Detected ADB keyboard, type ISO, swapping keys. > input: ADB keyboard on adb2:2.05/input > ADB HID on ID 3 not yet registered > ADB mouse at 3, handler set to 2 > input: ADB mouse on adb3:3.01/input > adb: finished probe task... > > The 2.6.11-rc1 kernel also hung on an eMac (G4). On that machine it > appears the hang occurred in radeonfb: the screen flickers off/on > during radeonfb initialisation, but with 2.6.11-rc1 the screen just > went black. Afterwards the eMac did not respond to any keyboard or > network activity, so I have to assume it hung hard. > > I've traced the cause of the hangs to a local_irq_disable() added to > init/main.c:rest_init() in 2.6.10-bk12. Removing it eliminates the > hangs on both the G3 and the eMac: I know about this problem, I'm working on a proper fix. Thanks for your report. Ben. - 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/