From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joakim Hernberg Subject: Re: 3.18.9-rt4 kernel panic - Was: 3.18.9-rt4 Date: Sun, 15 Mar 2015 14:51:53 +0100 Message-ID: <20150315145153.44f5217c@tor.valhalla.alchemy.lu> References: <20150313223041.0a8bf390@archlinux> <20150314104336.756a6f0e@archlinux> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: linux-rt-users@vger.kernel.org Return-path: Received: from mailsafe.webbplatsen.se ([94.247.172.109]:35722 "EHLO mailsafe.webbplatsen.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752532AbbCONwI (ORCPT ); Sun, 15 Mar 2015 09:52:08 -0400 Received: from skinbark.wpsintrax.se (unknown [5.178.78.91]) by mailsafe.webbplatsen.se (Halon Mail Gateway) with ESMTP for ; Sun, 15 Mar 2015 14:51:57 +0100 (CET) Received: from skinbark.wpsintrax.se (localhost [127.0.0.1]) by skinbark.wpsintrax.se (Postfix) with ESMTP id A034EBC8168 for ; Sun, 15 Mar 2015 14:51:48 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by skinbark.wpsintrax.se (Postfix) with ESMTP id 7F48FBC819F for ; Sun, 15 Mar 2015 14:51:48 +0100 (CET) Received: from skinbark.wpsintrax.se ([127.0.0.1]) by localhost (skinbark.wpsintrax.se [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id O2tfC8a-WHbn for ; Sun, 15 Mar 2015 14:51:48 +0100 (CET) Received: from tor.valhalla.alchemy.lu (vodsl-4965.vo.lu [80.90.57.101]) by skinbark.wpsintrax.se (Postfix) with ESMTPA id 3ECE7BC8168 for ; Sun, 15 Mar 2015 14:51:48 +0100 (CET) In-Reply-To: <20150314104336.756a6f0e@archlinux> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Sat, 14 Mar 2015 10:43:36 +0100 Ralf Mardorf wrote: > On Fri, 13 Mar 2015 22:30:41 +0100, Ralf Mardorf wrote: > >all kernels >= 3.14.34-rt31 I tested, don't finish startup on my > >machine [1]. This are the last messages of startups for 4 different > >startups for 3.18.9-rt4. > > > >Picture URLs: > >http://picpaste.com/3.18.9-rt4.x86_64.end_of_startup_2.jpg > >http://picpaste.com/3.18.9-rt4.x86_64.end_of_startup_3.jpg > >http://picpaste.com/3.18.9-rt4.x86_64.end_of_startup_4.jpg > >http://picpaste.com/3.18.9-rt4.x86_64.end_of_startup_5.jpg > > > >The last kernel I tested that does work is 3.14.28-rt25. > > Hi, > > this morning the messages finished with a kernel panic. > > Picture URL: > http://picpaste.com/3.18.9-rt4.x86_64.end_of_startup_6.jpg Let me try to add some information that I think might be relevant to the problem. I remember that you had boot problems a while ago, together with a couple of other AMD cpu users. IIRC it just affected a few specific AMD cpus. AFAIK, you could not succesfully boot any kernel starting with with 3.12.6-rt9, and I have another report from another afflicted user saying that the boot problem was fixed by reverting: timers-do-not-raise-softirq-unconditionally.patch timer-Raise-softirq-if-there-s-irq_work.patch timer-rt-Always-raise-the-softirq-if-there-s-irq_wor.patch This might be significant, as these patches are in play again, at least on 3.18-rt. Try to revert those patches and see if the kernel can boot. -- Joakim