From: David Daney <ddaney.cavm@gmail.com>
To: Faidon Liambotis <paravoid@debian.org>
Cc: linux-mips@linux-mips.org
Subject: Re: octeon: oops/panic with CONFIG_SERIO_I8042=y
Date: Thu, 18 Jul 2013 09:28:54 -0700 [thread overview]
Message-ID: <51E817C6.3030706@gmail.com> (raw)
In-Reply-To: <20130718122556.GA19040@tty.gr>
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] [<ffffffff81446838>] i8042_flush+0x80/0x118
> [ 8.796092] [<ffffffff817511ac>] i8042_init+0x54/0xf0
> [ 8.801118] [<ffffffff811004e0>] 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
>
>
next prev parent reply other threads:[~2013-07-18 17:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 12:25 octeon: oops/panic with CONFIG_SERIO_I8042=y Faidon Liambotis
2013-07-18 16:28 ` David Daney [this message]
2013-07-18 18:03 ` Aaro Koskinen
2013-07-18 19:34 ` Manuel Lauss
2013-07-18 19:39 ` Sergei Shtylyov
2013-07-18 20:42 ` Manuel Lauss
2013-07-18 20:49 ` Sergei Shtylyov
2013-07-18 20:55 ` David Daney
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