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

  • To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
  • From: Pasi Kärkkäinen <pasik@xxxxxx>
  • Date: Tue, 8 Feb 2005 16:08:24 +0200
  • Delivery-date: Tue, 08 Feb 2005 14:09:51 +0000
  • List-id: List for Xen developers <xen-devel.lists.sourceforge.net>


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).

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

The watchdog-driver is very simple, and you can find it in 

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?

The userspace test application is available from:
http://nrg.joroinen.fi/dumpdog.c . It's written by Pádraig Brady 

Any help would be appreciated!

-- Pasi Kärkkäinen
                                .     .
                              /    -    \

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