From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Manfred <manfred@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Omap3630, rtserial, xeno_16550A: crash on insmod
Date: Thu, 12 Jan 2012 20:53:33 +0100 [thread overview]
Message-ID: <4F0F3A3D.0@domain.hid> (raw)
In-Reply-To: <4F0F364C.8000607@domain.hid>
On 01/12/2012 08:36 PM, Manfred wrote:
> Ok, so this is my first attempt on trying to debug a kernel module, so
> please bear with me:
> First, I repeated what I did before:
>
> 1.) setserial /dev/ttyS0 uart none
>
> 2.)modprobe xeno_16550A mem=0x4806a000 irq=72 baud_base=3000000
>
> 3.) dmesg->error message with:
>
> Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa06a002
>
> Obtain Address-offset Ad1=0xfa06a002
>
> 4.) get address-offset Ad0 from less /proc/modules:
>
> xeno_16550A 14280 1 - Loading 0xbf104000
>
> 5.) obtain Ad2=Ad1+Ad0 (google says: 0xbf104000 + 0xfa06a002 =
> 0x1B916E002)
The adress of the fault instruction is the value of the PC register,
quoting my previous mail:
>> check what happens at bf0f0170
--
Gilles.
next prev parent reply other threads:[~2012-01-12 19:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-12 17:53 [Xenomai-help] Omap3630, rtserial, xeno_16550A: crash on insmod Manfred
2012-01-12 18:44 ` Gilles Chanteperdrix
2012-01-12 19:36 ` Manfred
2012-01-12 19:53 ` Gilles Chanteperdrix [this message]
2012-01-12 18:52 ` Wolfgang Grandegger
[not found] <4F1080E8.6020408@domain.hid>
2012-01-13 19:15 ` Manfred
2012-01-15 19:35 ` Wolfgang Grandegger
2012-01-18 16:15 ` Fabrice Gasnier
2012-01-18 16:32 ` Wolfgang Grandegger
2012-01-19 17:09 ` Fabrice Gasnier
2012-01-20 12:03 ` Manfred
2012-01-20 14:41 ` Fabrice Gasnier
2012-01-20 15:58 ` Felipe Brandão Cavalcanti
2012-01-22 19:04 ` Manfred
2012-02-23 19:00 ` Felipe Brandão Cavalcanti
2012-01-20 18:03 ` Wolfgang Grandegger
2012-01-20 18:46 ` Gilles Chanteperdrix
2012-01-20 19:04 ` Wolfgang Grandegger
2012-01-26 10:20 ` Fabrice Gasnier
2012-01-19 19:43 ` Manfred
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