From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kent Rasmussen Subject: Cannot open /dev/mem Date: Sat, 05 Sep 2009 10:01:49 +0200 Message-ID: <4AA21AED.4030305@sil.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from smtp1.wsfo.org ([208.145.81.51]:46333 "EHLO smtp1.wsfo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752260AbZIEITQ (ORCPT ); Sat, 5 Sep 2009 04:19:16 -0400 Received: from mail.link77.net (cgp2.mail.link77.net [172.22.65.14]) by smtp1.wsfo.org (8.13.8/8.13.8) with ESMTP id n858CKKC014835 for ; Sat, 5 Sep 2009 04:12:22 -0400 Received: from [78.138.4.58] (account kent_rasmussen@sil.org HELO [192.168.28.3]) by cgp2.mail.link77.net (CommuniGate Pro SMTP 5.2.16) with ESMTPSA id 13280152 for linux-acpi@vger.kernel.org; Sat, 05 Sep 2009 04:12:19 -0400 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org In looking at dmesg this morning, I noted the following section: [ 853.529553] ACPI Exception (thermal-0538): AE_ERROR, ACPI thermal trip point state changed [ 853.529558] Please send acpidump to linux-acpi@vger.kernel.org [ 853.529578] [20080926] [ 855.757168] usb 2-2: usbfs: USBDEVFS_CONTROL failed cmd hp rqt 128 rq 6 len 255 ret -110 [ 857.665382] ACPI: Transitioning device [FAN0] to D3 [ 857.665388] ACPI: Unable to turn cooling device [f6c152a0] 'off' [ 860.757203] usb 2-2: usbfs: USBDEVFS_CONTROL failed cmd hp rqt 128 rq 6 len 255 ret -110 [ 866.561178] usb 2-2: usbfs: USBDEVFS_CONTROL failed cmd python rqt 128 rq 6 len 255 ret -110 [ 871.561128] usb 2-2: usbfs: USBDEVFS_CONTROL failed cmd python rqt 128 rq 6 len 255 ret -110 So, in response to the second line quoted above, I'm sending you the following: ~$ acpidump acpi_os_map_memory: cannot open /dev/mem I'm not sure what that means, but I hope it helps. fyi, I was plugging in my usb printer, which wasn't working correctly, which is why I was in dmesg. In case that matters. Grace, Kent Rasmussen