Public bug reported:
SRU Justification
[Impact]
Google would like suspend support in all kernels. This ticket covers suspend
support for the GVE driver going back to Xenial.
[Fix]
Backport 974365e51861 ("gve: Implement suspend/resume/shutdown") to -gcp
kernels missing it.
[Test Plan]
Suspend and resume a Xenial instance with a GVNIC and SCSI disk (NVMe suspend
is not yet working). In an unpatched kernel, the GVE driver times out and gets
reset by a net device watchdog. In the patched kernel, networking resumes
quickly after resuming without a watchdog timer.
[Regression Potential]
Since the added suspend/resume functionality should only happen when suspending
and resuming, and suspending in previous kernels ended up crashing the driver
anyway, a regression is unlikely to be more severe than the previously broken
functionality.
[Other]
SF #00410858
** Affects: linux-gcp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2112348
Title:
Xenial linux-gcp lacks GVE suspend support
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