Re: watchdog: iTCO_wdt: failed to load

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On 7/31/19 9:18 PM, Vignesh Raman wrote:
Hi Guenter,

On Thu, Jul 25, 2019 at 6:40 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:

Here is your problem:

00100000-5e431017 : System RAM
    00c5fffc-00c5ffff : iTCO_wdt

The address range requested by the watchdog is marked by the BIOS as system memory.

The patch referenced below tries to address a different problem and does not apply
to your system.


Thanks for catching that. In working case the output of /proc/iomem is,


Wasn't me. Someone else had the same or a similar problem, and Jean Delvare
noticed the overlap with system memory.

Guenter

fd000000-fe7fffff : PCI Bus 0000:00
   fd000000-fdabffff : pnp 00:09
   fdac0000-fdacffff : pnp 00:0b
   fdad0000-fdadffff : pnp 00:09
   fdae0000-fdaeffff : pnp 00:0b
   fdaf0000-fdafffff : pnp 00:0b
   fdb00000-fdffffff : pnp 00:09
     fdc6000c-fdc6000f : iTCO_wdt
       fdc6000c-fdc6000f : iTCO_wdt

This explains why it works in another system (i7-6700).

Regards,
Vignesh





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