From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kimmo Taskinen Subject: Re: WAS: linux-rt fails to boot on > 3.12.5.-rt7 ... NOW IS: linux-rt-3.14 boots by reverting patches + nvidia uses __rt_mutex_init [which in 3.14 has been changed to EXPORT_SYMBOL_GPL] Date: Wed, 14 May 2014 03:38:36 +0300 Message-ID: <5372BB0C.8030303@me.com> References: <535A7474.2090701@windriver.com> <535A9DDC.4070801@windriver.com> Mime-Version: 1.0 Content-Type: text/plain; CHARSET=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Cc: "linux-rt-users@vger.kernel.org" To: Paul Gortmaker , jordan Return-path: Received: from st11p00mm-asmtp001.mac.com ([17.172.81.0]:46961 "EHLO st11p00mm-asmtp001.mac.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751319AbaENBik (ORCPT ); Tue, 13 May 2014 21:38:40 -0400 Received: from [10.0.1.102] (cs181219184.pp.htv.fi [82.181.219.184]) by st11p00mm-asmtp001.mac.com (Oracle Communications Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013)) with ESMTPSA id <0N5J00H7WGGCRQ10@st11p00mm-asmtp001.mac.com> for linux-rt-users@vger.kernel.org; Wed, 14 May 2014 00:38:39 +0000 (GMT) In-reply-to: <535A9DDC.4070801@windriver.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 25.04.2014 20:39, Paul Gortmaker wrote: > On 14-04-25 01:23 PM, jordan wrote: >> On Fri, Apr 25, 2014 at 10:43 AM, Paul Gortmaker >> wrote: >>> On 14-04-19 10:42 AM, jordan wrote: >>>> Hey Paul, >>>> >>>>> I've got some AMD kit that has just been freed up from winter >>>>> heating duty - sometime later this week I should be able to try to >>>>> reproduce what you have seen, and knowing it works w/o the above >>>>> softirq patch monkeying around should be a good lead on this. >>>> That would be awesome! IIRC, Sebastian said that he didn't have said >>>> h/w CPU kicking around to test with, at some point in my original >>>> thread on this subject... and i just don't have the skill set required >>> So I stuck the -rt patches onto 3.14.1 last night; made a defconfig >>> and then enabled RT_FULL in the resulting .config and that booted >>> right up on a 1090T six core phenom, which kind of surprised me. >> that surprises me too - maybe 3.14.1 fixed something? ...anyway, I am >> only home for a short while [lunch] but i will try building 3.14.1-rt >> when i get home and see what happens / report back. > I had to drop one ipv6 patch that was now in stable, but otherwise > it was straight forward to make a 3.14.1-rt > > P. > -- > >>> I should be able to dig up an athlon quad and see what it does... >> worth a look, i suppose. >> >> thanks Paul for the update >> >> Jordan Johnston I had not been able to boot my Phenom II X4 910e PC with any of the latest RT kernels (3.12 after 3.12.5-rt7 or 3.14 or not even the latest 3.10 versions) until I today disabled AMD C1E from BIOS. An other way to get it to boot was "acpi=off" as a parameter to kernel but I need "button". I tried many others "processor.max_cstate=0", "processor.nocst", etc... Without RT patch the "AMD C1E" is not a problem. Cheers Kimmo > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >