[ale] /dev/watchdog inside a guest VM

[Chris Fowler]

I want to configure watchdog in CentOS 6 at Digital Ocean to force a restart when non-responsive.  I'm not sure if "watchdog" hardware exists in the guest.
I don't want to modprobe each one until I get a hit because this is a production system.   Any ideas?

00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
00:02.0 VGA compatible controller: Red Hat, Inc. QXL paravirtual graphic card (rev 04)
00:03.0 Ethernet controller: Red Hat, Inc Virtio network device
00:04.0 SCSI storage controller: Red Hat, Inc Virtio SCSI
00:05.0 SCSI storage controller: Red Hat, Inc Virtio block device
00:06.0 Unclassified device [00ff]: Red Hat, Inc Virtio memory balloon
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