Re: [Xen-devel] hardware-watchdog driver problems in linux 2.6.10-xen0

["Mark A. Williamson" <mark.williamson@xxxxxxxxxxxx>]

Hrrrrmm.  I don't see anything obvious in either the driver or the userspace 
program that could cause a trip up here...

> I'm trying to run w83627hf_wdt.ko watchdog driver in domain 0 (xenlinux
> 2.6.10-xen0), but the driver doesn't seem to work (the machine reboots all
> the time after the watchdog-timeout set in BIOS).

Can you check the user space watchdog daemon is running? (as root)

> Is there something that could prevent the driver from accessing the
> watchdog-hardware (io-ports/registers) ?

Not in dom0, although this would be the case in other domains.

> I also tried to run userspace program to check the status of the watchdog..
> it simply returns zeroes all the time, meaning communication failure with
> the watchdog.. could this be related to xen?

You did run this with root privileges, right?

Cheers,
Mark

> The userspace test application is available from:
> http://nrg.joroinen.fi/dumpdog.c . It's written by Pádraig Brady
> (P@xxxxxxxxxxxxxx).
>
> Any help would be appreciated!
>
> -- Pasi Kärkkäinen
>
>                                    ^
>                                 .     .
>                                  Linux
>                               /    -    \
>                              Choice.of.the
>                            .Next.Generation.
>
>
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