From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Smolorz Subject: Re: ACPI fails on Panasonic Toughbook CF-52 - ACPI Error (exregion-0164): Could not map memory Date: Fri, 08 Feb 2008 13:25:54 +0100 Message-ID: <47AC4A52.3010207@gmx.net> References: <200802072341.16523.sesmo@gmx.net> <200802071815.11757.lenb@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.gmx.net ([213.165.64.20]:52412 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754526AbYBHMZ6 (ORCPT ); Fri, 8 Feb 2008 07:25:58 -0500 In-Reply-To: <200802071815.11757.lenb@kernel.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: linux-acpi@vger.kernel.org Len Brown schrieb: > On Thursday 07 February 2008 17:41, Sebastian Smolorz wrote: >> Hi, >> >> I am not able to start the kernel on a Panasonic Toughbook CF-52 successfully >> with ACPI enabled. Only acpi=off or acpi=ht works. ACPI also fails with the >> latest linux-acpi-2.6 git checkout from today. The attached file >> failed_boot.txt shows the kernel log. After the last line the boot process >> does not proceed. >> >> Interestingly, I managed to boot the system twice a few days ago. The >> successful dmesg output shows the attached file dmesg_acpi_osi_test. It shows >> a lot of ACPI errors, though. >> >> Please let me know if you need more information or how I can help to debug >> this problem further. > > ACPI Error (exregion-0164): Could not map memory at F7C1E118000001AC, size 1000 [20070126] > ACPI Exception (evregion-0420): AE_NO_MEMORY, Returned by Handler for [SystemMemory] [20070126] > > I saw these appear on my HP nx6325 due to some changes in the x86 tree last week. > > I bisected it down to > > commit 266b9f8727976769e2ed2dad77ac9295f37e321e > Author: Thomas Gleixner > Date: Wed Jan 30 13:34:06 2008 +0100 > > x86: fix ioremap RAM check > > and reported it to Ingo. > He told me to test the latest x86 tree, which didn't have those messages. > Subsequently, these messages went away in Linus' tree for the nx6325. > > but at least my box booted, your panasonic failure is much more severe. > > Please file a bug report here: > http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI > > and attach the info you sent, plus the output from acpidump. Done. > Also, if you can bisect and check out the commit above to see > if it was where things started to go bad, that would help. The problem is that booting with ACPI enabled is not reproducable. I only managed to do it twice. ACPI failure appears also with plain kernel 2.6.24 and 2.6.23.12 and these were before that commit. -- Sebastian