From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f53.google.com (mail-qg0-f53.google.com [209.85.192.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 1459A1A0A02 for ; Wed, 18 Mar 2015 07:03:11 +1100 (AEDT) Received: by qgf3 with SMTP id 3so18885771qgf.3 for ; Tue, 17 Mar 2015 13:03:09 -0700 (PDT) Message-ID: <5508887B.8080008@hurleysoftware.com> Date: Tue, 17 Mar 2015 16:03:07 -0400 From: Peter Hurley MIME-Version: 1.0 To: Pranith Kumar Subject: Re: linux panic on 4.0.0-rc4 References: <1426493810.4716.0.camel@ellerman.id.au> <1426548151.31646.4.camel@ellerman.id.au> <55079859.1020205@hurleysoftware.com> <55079D05.8020302@hurleysoftware.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Cc: "open list:LINUX FOR POWERPC..." , LKML List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 03/17/2015 02:33 AM, Pranith Kumar wrote: > On Mon, Mar 16, 2015 at 11:18 PM, Peter Hurley wrote: >> On 03/16/2015 11:12 PM, Pranith Kumar wrote: >>> On Mon, Mar 16, 2015 at 10:58 PM, Peter Hurley wrote: >>>>>> What is your init? >>>>> >>>>> I am using systemd from debian unstable. >>>> >>>> Do you have a stdout-path property defined in your dts to a serial >>>> console you're not actually using? >>>> >>> >>> I am using tty0 as my console. From the config which I posted, it has: >>> >>> CONFIG_CMDLINE="console=ttyS0,9600 console=tty0" >>> >>> I am not using any device tree file. >> >> Ok; there was some reported breakage on PowerMac wrt to 'stdout-path' >> changes I made, so I thought I'd check if that might have affected >> your setup as well. >> > > And the painful slow bisecting did lead to that commit: > > Bisecting: 0 revisions left to test after this (roughly 0 steps) > [2fa645cb2703d9b3786d850db815414dfeefa51d] of: Fix premature > bootconsole disable with 'stdout-path' > > $ git show 2fa645cb2703d9b3786d850db815414dfeefa51d > commit 2fa645cb2703d9b3786d850db815414dfeefa51d > Author: Peter Hurley > Date: Sun Mar 1 12:21:22 2015 -0500 > > of: Fix premature bootconsole disable with 'stdout-path' Can you send me a complete dmesg capture from a boot with this commit reverted? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753453AbbCQUDN (ORCPT ); Tue, 17 Mar 2015 16:03:13 -0400 Received: from mail-qc0-f170.google.com ([209.85.216.170]:34140 "EHLO mail-qc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752669AbbCQUDJ (ORCPT ); Tue, 17 Mar 2015 16:03:09 -0400 Message-ID: <5508887B.8080008@hurleysoftware.com> Date: Tue, 17 Mar 2015 16:03:07 -0400 From: Peter Hurley User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Pranith Kumar CC: Michael Ellerman , "open list:LINUX FOR POWERPC..." , LKML Subject: Re: linux panic on 4.0.0-rc4 References: <1426493810.4716.0.camel@ellerman.id.au> <1426548151.31646.4.camel@ellerman.id.au> <55079859.1020205@hurleysoftware.com> <55079D05.8020302@hurleysoftware.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/17/2015 02:33 AM, Pranith Kumar wrote: > On Mon, Mar 16, 2015 at 11:18 PM, Peter Hurley wrote: >> On 03/16/2015 11:12 PM, Pranith Kumar wrote: >>> On Mon, Mar 16, 2015 at 10:58 PM, Peter Hurley wrote: >>>>>> What is your init? >>>>> >>>>> I am using systemd from debian unstable. >>>> >>>> Do you have a stdout-path property defined in your dts to a serial >>>> console you're not actually using? >>>> >>> >>> I am using tty0 as my console. From the config which I posted, it has: >>> >>> CONFIG_CMDLINE="console=ttyS0,9600 console=tty0" >>> >>> I am not using any device tree file. >> >> Ok; there was some reported breakage on PowerMac wrt to 'stdout-path' >> changes I made, so I thought I'd check if that might have affected >> your setup as well. >> > > And the painful slow bisecting did lead to that commit: > > Bisecting: 0 revisions left to test after this (roughly 0 steps) > [2fa645cb2703d9b3786d850db815414dfeefa51d] of: Fix premature > bootconsole disable with 'stdout-path' > > $ git show 2fa645cb2703d9b3786d850db815414dfeefa51d > commit 2fa645cb2703d9b3786d850db815414dfeefa51d > Author: Peter Hurley > Date: Sun Mar 1 12:21:22 2015 -0500 > > of: Fix premature bootconsole disable with 'stdout-path' Can you send me a complete dmesg capture from a boot with this commit reverted?