** Also affects: linux-azure (Ubuntu Kinetic)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1995408
Title:
[Azure] [NVMe] cpu soft lockup issue when run fio against nvme disks
Status in linux-azure package in Ubuntu:
Incomplete
Status in linux-azure source package in Kinetic:
New
Bug description:
SRU Justification
[Impact]
Hypervisor only allocates interrupts to happen on a single physical
GPU, which can lead to CPU soft locks when using PCI NVME under heavy
load.
Kinetic will get this patch via stable updates.
[Test Case]
Microsoft tested
[Where things could go wrong]
Hypervisor PCI driver may not load correctly. Patch did not apply
cleanly and could lead to merge conflicts once the upstream patch is
pulled in.
[Other Info]
SF: #00346549
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