From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757138Ab3BAQnM (ORCPT ); Fri, 1 Feb 2013 11:43:12 -0500 Received: from forward3.mail.yandex.net ([77.88.46.8]:45264 "EHLO forward3.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756891Ab3BAQnJ (ORCPT ); Fri, 1 Feb 2013 11:43:09 -0500 Message-ID: <510BF096.7060705@yandex.ru> Date: Fri, 01 Feb 2013 20:43:02 +0400 From: Mike Lykov User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: Don Zickus CC: Andrew Morton , Ingo Molnar , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, kirill@shutemov.name Subject: Re: [BUG?] false positive in soft lockup detector while unlzma initramfs on slow cpu References: <5107D1D3.6040105@yandex.ru> <20130129153348.GR98867@redhat.com> <5108EA4B.7030003@yandex.ru> <20130130154033.GE98867@redhat.com> <510A539E.7020105@yandex.ru> <20130131144627.GL98867@redhat.com> <510B9C9B.6090605@yandex.ru> <20130201155908.GR98867@redhat.com> In-Reply-To: <20130201155908.GR98867@redhat.com> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 01.02.2013 19:59, Don Zickus пишет: > Hmm, that seems to make sense. I was expecting that problem to pop up on > my end but didn't see. I just asusmed the boot code didn't use that > decompressor. Can you accumulate all our discussion and create one right-coded, kernelcode-styled patch? > Though I am not sure why that is leading to your other PATA problems > below. Did you have similar problems when you used other decompression > levels? In past - no. But I not test this last kernel variant with other level. > I am not sure how to explain the differences. I think this is similar as decompress: Kernel stop and wait next try in "default_idle()" for 20-30 sec, and in this moment softlockup detector panics ;) But without patch for touch_softlockup_watchdog in decompress_unlzma+misc.c it works (try, fail, pause, try, fail, go on). -- Mike Sapienti sat.