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[64.2.3.195]) by mx.google.com with ESMTPSA id zf3sm17605181pac.9.2013.07.18.09.28.55 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 18 Jul 2013 09:28:56 -0700 (PDT) Message-ID: <51E817C6.3030706@gmail.com> Date: Thu, 18 Jul 2013 09:28:54 -0700 From: David Daney User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 MIME-Version: 1.0 To: Faidon Liambotis CC: linux-mips@linux-mips.org Subject: Re: octeon: oops/panic with CONFIG_SERIO_I8042=y References: <20130718122556.GA19040@tty.gr> In-Reply-To: <20130718122556.GA19040@tty.gr> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 37319 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ddaney.cavm@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On 07/18/2013 05:25 AM, Faidon Liambotis wrote: > Hi, > > My goal is to run a standard Debian kernel and its octeon variant[1] on > the Ubiquity EdgeRouter Lite. The ERLite needs a couple of patches > to boot and work (octeon-ethernet patch, octeon-usb driver) but these > are already merged 3.11 and I'll file Debian bugs to enable those > settings appropriately. > > 1: e.g. http://packages.debian.org/sid/linux-image-3.10-1-octeon > > However, when trying to boot a standard Debian kernel in the ERLite I > get a 7s delay followed by an oops for a Data bus error on i8042_flush() > and ending up with a panic. It looks like the kernel is built with > CONFIG_SERIO_I8042=y. The Octeon machine Debian owns prints "i8042: No > controller found" but works nevertheless. This isn't the case with the > ERLite; I tried 3.2 & 3.10 and got the same oops which went away as soon > as I disabled CONFIG_SERIO_I8042. > > Are there even any octeon machines with i8042 anyway? Should I request > for the setting to be disabled irrespective of this bug? Yes. There is a rare board called NAC38 that was produced by ASUS in a 1U chassis. I don't think it is important to support this, so the best thing seems to be not to enable SERIO_I8042 David Daney > > The oops is as follows: > [ 1.702762] ehci-pci: EHCI PCI platform driver > [ 1.707913] usbcore: registered new interface driver usb-storage > [ 8.591312] Data bus error, epc == ffffffff81446838, ra == > ffffffff814467f0 > [ 8.598102] Oops[#1]: > [ 8.600360] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0 #5 > [ 8.606253] task: a80000041f869540 ti: a80000041f86c000 task.ti: > a80000041f86c000 > [ 8.613706] $ 0 : 0000000000000000 0000000000000000 > 0000000000000000 0000000000010000 > [ 8.621684] $ 4 : 0000000000000000 a80000041f1bbb40 > 000000000000006f ffffffff816ffe60 > [ 8.629662] $ 8 : 0000000000000000 000000000000005b > 726564206e657720 696e746572666163 > [ 8.637640] $12 : 0000000000000000 ffffffff8136b0dc > ffffffff81790000 0000000000000000 > [ 8.645619] $16 : 80011a0400000064 80011a0400000000 > 0000000000000010 ffffffff817a0000 > [ 8.653597] $20 : ffffffff817a0000 0000000000000001 > ffffffff81770e20 ffffffff817a0000 > [ 8.661575] $24 : 0000000000000004 ffffffff81790000 [ 8.669553] > $28 : a80000041f86c000 a80000041f86fd70 0000000000000000 ffffffff814467f0 > [ 8.677532] Hi : 0000000000acd49d > [ 8.681088] Lo : 0e5604189441f8e5 > [ 8.684661] epc : ffffffff81446838 i8042_flush+0x80/0x118 > [ 8.690194] Not tainted > [ 8.692975] ra : ffffffff814467f0 i8042_flush+0x38/0x118 > [ 8.698518] Status: 10008ce2 KX SX UX KERNEL EXL [ 8.703201] > Cause : 4080801c > [ 8.706064] PrId : 000d0601 (Cavium Octeon+) > [ 8.710398] Modules linked in: > [ 8.713439] Process swapper/0 (pid: 1, threadinfo=a80000041f86c000, > task=a80000041f869540, tls=0000000000000000) > [ 8.723580] Stack : ffffffff81700000 ffffffff81751158 > 0000000000000000 ffffffff8175f2f8 > ffffffff817361d8 ffffffff8175f288 ffffffff81770e20 ffffffff816c0000 > 000000000000008c ffffffff817511ac 0000000000000000 ffffffff81780000 > ffffffff81751158 ffffffff811004e0 ffffffff817361d8 0000000000000030 > ffffffff81780000 0000000000000007 ffffffff8175f2f8 ffffffff81736b50 > ffffffff81595080 0000000000000000 ffffffff81780000 0000000000000000 > 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 ffffffff8159509c ffffffff81595080 0000000000000000 > 0000000000000000 ffffffff8111a124 0000000000000000 0000000000000000 > 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > ... > [ 8.788447] Call Trace: > [ 8.790882] [] i8042_flush+0x80/0x118 > [ 8.796092] [] i8042_init+0x54/0xf0 > [ 8.801118] [] do_one_initcall+0xe0/0x130 > [ 8.806658] [ 8.808132] Code: 14800017 27de0001 92020000 > <305600ff> cac00003 24040032 17d2fff4 00200825 6684d338 [ > 8.820195] ---[ end trace 76cca175541407ab ]--- > [ 8.824650] note: swapper/0[1] exited with preempt_count 1 > [ 8.830188] Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > [ 8.830188] > Regards, > Faidon > >