** Description changed:
virtio-blk disks can go dissfunctional when swiotlb fills up
-
- For example, with a PV guest choose a small swiotlb (30MB) and create IO load
on several virtio-blk disks simultaneously. It actually should not matter what
causes the swiotlb pressure (can be
** Changed in: ubuntu-power-systems
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1867109
Title:
[UBUNTU 20.04] virtio-blk hw queue gets possibly permanently stopped
Found the two commits in 'linux-next' ...
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https://bugs.launchpad.net/bugs/1867109
Title:
[UBUNTU 20.04] virtio-blk hw queue gets possibly permanently stopped
when swiotlb full
To
** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
** Changed in: ubuntu-power-systems
Importance: Undecided => Critical
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