From: Guenter Roeck <linux@roeck-us.net>
To: "Valentin Vidić" <vvidic@valentin-vidic.from.hr>
Cc: linux-watchdog@vger.kernel.org
Subject: Re: iTCO_wdt on Intel NUC
Date: Mon, 22 Jul 2019 08:45:50 -0700 [thread overview]
Message-ID: <20190722154549.GA5166@roeck-us.net> (raw)
In-Reply-To: <20190722045557.tndjp4hnpngvlaql@valentin-vidic.from.hr>
On Mon, Jul 22, 2019 at 06:55:57AM +0200, Valentin Vidić wrote:
> On Sun, Jul 21, 2019 at 05:05:17PM -0700, Guenter Roeck wrote:
> > Most likely the memory region is reserved/used by something else. /proc/iomem
> > might show you.
>
> The output is a bit strange since it mentions iTCO_wdt for that address range:
>
> [ 9.377397] iTCO_wdt iTCO_wdt: can't request region for resource [mem 0x00c5fffc-0x00c5ffff]
>
> 00000000-00000fff : Reserved
> 00001000-0009efff : System RAM
> 0009f000-000fffff : Reserved
> 000a0000-000bffff : PCI Bus 0000:00
> 000e0000-000e3fff : PCI Bus 0000:00
> 000e4000-000e7fff : PCI Bus 0000:00
> 000e8000-000ebfff : PCI Bus 0000:00
> 000ec000-000effff : PCI Bus 0000:00
> 000f0000-000fffff : System ROM
> 00100000-6f8d8017 : System RAM
> 00c5fffc-00c5ffff : iTCO_wdt
> 6f8d8018-6f8e8e57 : System RAM
> 6f8e8e58-79d52fff : System RAM
> 79d53000-7a1bdfff : Reserved
> 7a1be000-7a23afff : ACPI Tables
> 7a23b000-7a2ebfff : ACPI Non-volatile Storage
> 7a2ec000-7ac0dfff : Reserved
> 7ac0e000-7ac0efff : System RAM
> 7ac0f000-7fffffff : Reserved
> 7c000000-7fffffff : Graphics Stolen Memory
>
Weird. Is iTCO_wdt instantiated twice ?
I have no idea how to proceed, sorry.
Guenter
next prev parent reply other threads:[~2019-07-22 15:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-21 20:30 iTCO_wdt on Intel NUC Valentin Vidić
2019-07-22 0:05 ` Guenter Roeck
2019-07-22 4:55 ` Valentin Vidić
2019-07-22 15:45 ` Guenter Roeck [this message]
2019-07-22 16:10 ` Valentin Vidić
2019-07-22 16:21 ` Guenter Roeck
2019-07-22 17:41 ` Valentin Vidić
2019-07-22 17:52 ` Guenter Roeck
2019-07-22 17:56 ` Valentin Vidić
2019-07-22 18:03 ` Guenter Roeck
2019-07-22 18:12 ` Valentin Vidić
2019-07-24 9:43 ` Guenter Roeck
2019-07-24 10:00 ` Valentin Vidić
2019-07-24 10:18 ` Guenter Roeck
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