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lockorture
2020 Apr 08
0
[RFC PATCH 00/26] Runtime paravirt patching
...e, the
> host might go from being undersubscribed to being oversubscribed
> (or the other way round) and it would make sense for the guest
> switch pv-ops based on that.
If your host changes his advertised behaviour then you want to fix the
host setup or find a competent admin.
> This lockorture splat that I saw on the guest while testing this is
> indicative of the problem:
>
> [ 1136.461522] watchdog: BUG: soft lockup - CPU#8 stuck for 22s! [lock_torture_wr:12865]
> [ 1136.461542] CPU: 8 PID: 12865 Comm: lock_torture_wr Tainted: G W L 5.4.0-rc7+ #77
> [ 1136.461546]...