From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [GIT PULL] for testing: OMAP hwmod driver conversions: watchdog, UART, i2c Date: Thu, 30 Sep 2010 08:13:03 -0700 Message-ID: <87pqvvgt8g.fsf@deeprootsystems.com> References: <8762xpenf8.fsf@deeprootsystems.com> <20100928201844.GI3117@atomide.com> <87tyl8rxwp.fsf@deeprootsystems.com> <20100930021819.GD3117@atomide.com> <877hi3i9cp.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:42957 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753927Ab0I3PNJ (ORCPT ); Thu, 30 Sep 2010 11:13:09 -0400 Received: by ywh1 with SMTP id 1so692831ywh.19 for ; Thu, 30 Sep 2010 08:13:08 -0700 (PDT) In-Reply-To: <877hi3i9cp.fsf@deeprootsystems.com> (Kevin Hilman's message of "Thu, 30 Sep 2010 07:39:34 -0700") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tony Lindgren Cc: linux-omap@vger.kernel.org, Charulatha Varadarajan , Rajendra Nayak , "Govindraj R." Kevin Hilman writes: > Tony Lindgren writes: > >> * Kevin Hilman [100929 15:15]: >>> Tony Lindgren writes: >>> >>> > * Kevin Hilman [100928 11:25]: >>> >> Tony, >>> >> >>> >> The following pull request will bring hwmod driver conversions for >>> >> watchdog, UART and i2c drivers. It is based on your omap-for-linus >>> >> branch. >>> >> >>> >> The i2c driver is waiting for final signoff/ack from the upstream >>> >> subsystem maintainers, but are otherwise ready to go for broader >>> >> testing. After I get the final ack, I will update the branch for a >>> >> final pull. >>> >> >>> >> In the meantime, I'd like to get them into l-o master (or omap-testing) >>> >> for broader testing. >>> > >>> > Tried pulling it but I'm getting tons of these errors on omap2: >>> >>> Tony, >>> >>> Can you pull the latest version of my pm-hwmods branch from: >>> ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git pm-hwmods >>> >>> This version has the updated patch from Rajendra for i2c as well as some >>> UART3 fixes for a problem he noticed on 2430 as well. >> >> Getting closer.. Now 2430sdp boots OK. But on N800 (2420) I get the following >> very early on: > >> ... >> [ 0.000000] Calibrating delay loop... 318.27 BogoMIPS (lpj=1245184) >> [ 0.000000] pid_max: default: 32768 minimum: 301 >> [ 0.000000] Security Framework initialized >> [ 0.000000] Mount-cache hash table entries: 512 >> [ 0.000000] CPU: Testing write buffer coherency: ok >> [ 0.000000] Unhandled fault: imprecise external abort (0xc06) at 0x00000000 >> [ 0.000000] Internal error: : c06 [#1] SMP >> [ 0.000000] last sysfs file: >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Not tainted (2.6.36-rc6-08801-g332f930 #395) >> [ 0.000000] PC is at kernel_thread_helper+0x0/0x14 >> [ 0.000000] LR is at kernel_thread_helper+0x0/0x14 >> [ 0.000000] pc : [] lr : [] psr: 00000093 >> [ 0.000000] sp : c7825ff8 ip : 00000000 fp : 00000000 >> [ 0.000000] r10: 00000000 r9 : 00000000 r8 : 00000000 >> [ 0.000000] r7 : 00000013 r6 : c004cca8 r5 : c00a4dc0 r4 : 00000000 >> [ 0.000000] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : 00000000 >> [ 0.000000] Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 00c5387f Table: 80004000 DAC: 00000017 >> [ 0.000000] Process swapper (pid: 2, stack limit = 0xc78242f8) >> [ 0.000000] Stack: (0xc7825ff8 to 0xc7826000) >> [ 0.000000] 5fe0: ffffffff ffffffff >> [ 0.000000] [] (kernel_thread_helper+0x0/0x14) from [] (0xffffffff) >> [ 0.000000] Code: c04d9ba8 c04de459 c05ca0a0 c04caf13 (eb01ac97) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- >> > > Hmm, this fault is very early and long before any PM code has > initialzed. I suspect this happens with the master branch too ?? I've reproduced this now, and it doesn't happen on the master branch and only happens after merge pm-hwmods. Debugging now... Kevin