From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753498AbbFTHpP (ORCPT ); Sat, 20 Jun 2015 03:45:15 -0400 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:49900 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751893AbbFTHpH (ORCPT ); Sat, 20 Jun 2015 03:45:07 -0400 Date: Sat, 20 Jun 2015 09:45:06 +0200 From: Andreas Mohr To: zb@cybertec.at Cc: linux-kernel@vger.kernel.org Subject: Re: ACPI regression? Was Re: Ethernet chip disappeared from lspci Message-ID: <20150620074506.GA4000@rhlx01.hs-esslingen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Priority: none User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, [lkml.org still broken --> no accurate mail header info possible...] Just to ask the obvious: I assume using /sys/bus/pci/rescan does not help once it's broken? (since the machine comes up empty at initial-boot scan, too) Also, you could try diffing lspci -vvxxx -s.... output of working vs. "distorting" kernel version - perhaps some register setup has been changed (e.g. due to power management improvements or some such), which may encourage the card to get a problematic/corrupt state. > Upon powering off the system, > the r8169 driver compained about "rtl_eriar_cond = 1 loop 100" Yup, that seems to be rtl_eri_read() in ethernet/realtek/r8169.c waiting on low condition of RTL_R32(ERIAR) & ERIAR_FLAG; Andreas Mohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/