Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-meta (Ubuntu Noble)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2098554
Title:
wdat_wdt.ko should be pulled in by linux-image-virtual
Status in linux-meta package in Ubuntu:
Confirmed
Status in linux-meta source package in Noble:
Confirmed
Bug description:
Recent versions of VMware vSphere support a "virtual watchdog timer",
which implements a watchdog timer in the hypervisor. We use this with
Patroni to ensure that a VM will reboot rather than accidentally have
a writeable database when it shouldn't.
Linux supports the virtual watchdog timer through the "wdat_wdt"
module. In Ubuntu 24.04 LTS on amd64, this module is in the "linux-
modules-extra-*-generic" series of packages. These are depended on by
the "linux-image-generic" package, but not by the "linux-image-
virtual" package. The latter is what is included in Ubuntu Official
Cloud Images, including the OVA version for vSphere.
I think that installing "linux-image-virtual" on amd64 should get you
the "wdat_wdt" module because it's necessary to fully support a common
hypervisor. This would probably entail moving it from linux-modules-
extra-*-generic to linux-modules-*-generic.
More about the VWDT in vSphere:
https://techdocs.broadcom.com/us/en/vmware-
cis/vsphere/vsphere/8-0/vsphere-virtual-machine-administration-
guide-8-0/configuring-virtual-machine-hardwarevsphere-vm-admin/other-
virtual-machine-device-configurationvsphere-vm-admin/using-virtual-
watchdog-timervsphere-vm-admin.html
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