From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F771C433DB for ; Mon, 29 Mar 2021 15:31:10 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D96F961932 for ; Mon, 29 Mar 2021 15:31:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D96F961932 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4F8Gkg38vBz302G for ; Tue, 30 Mar 2021 02:31:07 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nefkom.net (client-ip=212.18.0.9; helo=mail-out.m-online.net; envelope-from=whitebox@nefkom.net; receiver=) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4F8GkG5ZKJz2y8Q for ; Tue, 30 Mar 2021 02:30:45 +1100 (AEDT) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4F8Gk96gPVz1qt4X; Mon, 29 Mar 2021 17:30:41 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4F8Gk93F2sz1r1ML; Mon, 29 Mar 2021 17:30:41 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id htnwDsVs4N4S; Mon, 29 Mar 2021 17:30:40 +0200 (CEST) X-Auth-Info: mAy9baYHBxMjRTSQe3aDrUd3sfn4hvR+xXHenusU+VduPw07kkg3MRiU/PlDxzbf Received: from igel.home (ppp-46-244-184-171.dynamic.mnet-online.de [46.244.184.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Mon, 29 Mar 2021 17:30:40 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 3E2712C3218; Mon, 29 Mar 2021 17:30:40 +0200 (CEST) From: Andreas Schwab To: Michael Ellerman Subject: Re: [PATCH] powerpc/64s: power4 nap fixup in C References: <20210312012044.3660743-1-npiggin@gmail.com> <87y2e6fu7v.fsf__9754.75274478725$1616992871$gmane$org@mpe.ellerman.id.au> X-Yow: My DIGITAL WATCH has an automatic SNOOZE FEATURE!! Date: Mon, 29 Mar 2021 17:30:40 +0200 In-Reply-To: <87y2e6fu7v.fsf__9754.75274478725$1616992871$gmane$org@mpe.ellerman.id.au> (Michael Ellerman's message of "Mon, 29 Mar 2021 15:40:36 +1100") Message-ID: <87v99aj7tr.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mär 29 2021, Michael Ellerman wrote: > Nicholas Piggin writes: >> There is no need for this to be in asm, use the new intrrupt entry wrapper. >> >> Signed-off-by: Nicholas Piggin >> --- >> Hopefully this works on a real G5 now, but I couldn't reproduce the >> problem with QEMU. > > It still prevents my G5 from booting. I see differing failures. What's common is that there is a pause of about 60 seconds before the crash occurs. It looks like the crash occurs in power4_idle_nap+0x30/0x34. Unfortuately, the BootX console is too small to see enough. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."