** Changed in: linux-azure-4.15 (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1996093
Title:
[RELEASE BLOCKER] Call trace during nvme storage performance test in
bionic/linux-azure 4.15.0-1154
Status in linux-azure package in Ubuntu:
New
Status in linux-azure-4.15 package in Ubuntu:
New
Status in linux-azure source package in Bionic:
Invalid
Status in linux-azure-4.15 source package in Bionic:
Fix Committed
Status in linux-azure source package in Focal:
In Progress
Status in linux-azure-4.15 source package in Focal:
Invalid
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.
[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: #00347669
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