https://lists.ubuntu.com/archives/kernel-team/2018-August/094732.html
** Changed in: linux-azure (Ubuntu Bionic)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux-azure (Ubuntu Bionic)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1786313
Title:
[Hyper-V] hv_netvsc: Fix napi reschedule while receive completion is
busy
Status in linux-azure package in Ubuntu:
New
Status in linux-azure source package in Bionic:
In Progress
Bug description:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b81b193b83e87da1ea13217d684b54fccf8ee8a
hv_netvsc: Fix napi reschedule while receive completion is busy
If out ring is full temporarily and receive completion cannot go out,
we may still need to reschedule napi if certain conditions are met.
Otherwise the napi poll might be stopped forever, and cause network
disconnect.
Fixes: 7426b1a51803 ("netvsc: optimize receive completions")
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