From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: RE: Passing mem=1G to kernel on Panda, system is unstable. Date: Fri, 14 Jan 2011 14:26:33 +0530 Message-ID: <842cdfd0907812989c0dfda45a25c5d3@mail.gmail.com> References: <641ab84b6cedfd62b9b6bedeae077f1b@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary=20cf3054a53185ca8a0499ca9c34 Return-path: Received: from na3sys009aog106.obsmtp.com ([74.125.149.77]:44189 "EHLO na3sys009aog106.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751427Ab1ANI4g (ORCPT ); Fri, 14 Jan 2011 03:56:36 -0500 Received: by mail-fx0-f45.google.com with SMTP id 12so2774065fxm.18 for ; Fri, 14 Jan 2011 00:56:35 -0800 (PST) In-Reply-To: <641ab84b6cedfd62b9b6bedeae077f1b@mail.gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Bryan Wu , linux-omap@vger.kernel.org, Ricardo Salveti de Araujo --20cf3054a53185ca8a0499ca9c34 Content-Type: text/plain; charset=ISO-8859-1 > -----Original Message----- > From: Santosh Shilimkar [mailto:santosh.shilimkar@ti.com] > Sent: Friday, January 14, 2011 1:43 PM > To: Bryan Wu; linux-omap@vger.kernel.org; Ricardo Salveti de Araujo > Subject: RE: Passing mem=1G to kernel on Panda, system is unstable. > > Bryan, > > -----Original Message----- > > From: linux-omap-owner@vger.kernel.org [mailto:linux-omap- > > owner@vger.kernel.org] On Behalf Of Bryan Wu > > Sent: Tuesday, January 11, 2011 10:22 PM > > To: linux-omap@vger.kernel.org; Ricardo Salveti de Araujo > > Subject: Passing mem=1G to kernel on Panda, system is unstable. > > > > Hi folks, > > > > We are trying to build kernel package or GCC natively on OMAP4 > panda > > board. With the mainline 2.6.37 kernel or Ubuntu Natty 2.6.35 > based > > kernel, we met same instabilities on the system when we try to use > > mem=1G on the board. > > > > Please find our bug tracker here: > > https://bugs.launchpad.net/ubuntu/+source/linux-ti- > omap4/+bug/633227 > > and I think another bug is also related: > > https://bugs.launchpad.net/ubuntu/+source/linux-ti- > > omap4/+bug/690370. > > System will freeze at all when building GCC natively on Panda. > > > > Did any folks meet this issue? or we need more simple test case to > > catch the root cause of this issue. > > > Haven't seen this issue on my SDP with 2.6.37. > Have you enabled HIGHMEM, when tried mem = 1G on 2.6.37 ? This patch may not be relevant but last week while scanning errata's I came across one which is applicable to OMAP4 ES2.x Am attaching it. Please give a try. Have boot tested with latest mainline tree. 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