From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752655Ab0LaJp1 (ORCPT ); Fri, 31 Dec 2010 04:45:27 -0500 Received: from smtp12.ono.com ([62.42.230.20]:21603 "EHLO resmaa12.ono.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750894Ab0LaJpZ (ORCPT ); Fri, 31 Dec 2010 04:45:25 -0500 Message-ID: <4D1DA622.9010401@ono.com> Date: Fri, 31 Dec 2010 10:45:06 +0100 From: carlos palma User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101210 Thunderbird/3.1.7 MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Florian Mickler Subject: Re: [Bug #25402] kernel (2.6.37-8-generic_amd64) panic on boot (with message "map_single: bounce buffer is not DMA'ble) - possible regression !!! References: <96DQe4a_2tH.A.4RE.497GNB@chimera> <4D1CFA99.1070701@ono.com> <201012302351.48156.rjw@sisk.pl> In-Reply-To: <201012302351.48156.rjw@sisk.pl> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Because, at the beginning I tough it could be also a DELL firmware problem. The 32 bit version works fine, the 64 bits under KVM works fine (tested with 1GB ram). Only a few days ago I found similar problems also on DELL machines... Happy new year carlos On 12/30/2010 11:51 PM, Rafael J. Wysocki wrote: > On Thursday, December 30, 2010, carlos palma wrote: >> I can confirm that this "regression" still exists with the kernel >> 2.6.37-rc8. >> The Call Trace is basically the same: >> >> ... >> Kernel panic - not syncing: map_single ... >> Pid 935, comm: NetworkManager Tainted >> call trace >> panic+oxbf/0x200 >> ? default_spin_lock_flags+0x9/0x10 >> ?swiotlb_tlb_map_single+0x1ce/0x250 >> ?map_single+0x46/0x60 >> swiotlb_map_page+0xa6/0xf >> ... and then the FREEZE ... only a hard reset brings to live (with he begining >> 2.6.36-2) Linux. > Thanks for the info. > > Why did you put "regression" into double quotes? > > Rafael > From mboxrd@z Thu Jan 1 00:00:00 1970 From: carlos palma Subject: Re: [Bug #25402] kernel (2.6.37-8-generic_amd64) panic on boot (with message "map_single: bounce buffer is not DMA'ble) - possible regression !!! Date: Fri, 31 Dec 2010 10:45:06 +0100 Message-ID: <4D1DA622.9010401@ono.com> References: <96DQe4a_2tH.A.4RE.497GNB@chimera> <4D1CFA99.1070701@ono.com> <201012302351.48156.rjw@sisk.pl> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201012302351.48156.rjw-KKrjLPT3xs0@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Florian Mickler Because, at the beginning I tough it could be also a DELL firmware problem. The 32 bit version works fine, the 64 bits under KVM works fine (tested with 1GB ram). Only a few days ago I found similar problems also on DELL machines... Happy new year carlos On 12/30/2010 11:51 PM, Rafael J. Wysocki wrote: > On Thursday, December 30, 2010, carlos palma wrote: >> I can confirm that this "regression" still exists with the kernel >> 2.6.37-rc8. >> The Call Trace is basically the same: >> >> ... >> Kernel panic - not syncing: map_single ... >> Pid 935, comm: NetworkManager Tainted >> call trace >> panic+oxbf/0x200 >> ? default_spin_lock_flags+0x9/0x10 >> ?swiotlb_tlb_map_single+0x1ce/0x250 >> ?map_single+0x46/0x60 >> swiotlb_map_page+0xa6/0xf >> ... and then the FREEZE ... only a hard reset brings to live (with he begining >> 2.6.36-2) Linux. > Thanks for the info. > > Why did you put "regression" into double quotes? > > Rafael >