This bug was fixed in the package linux-azure - 5.4.0-1077.80
---------------
linux-azure (5.4.0-1077.80) focal; urgency=medium
* focal/linux-azure: 5.4.0-1077.80 -proposed tracker (LP: #1968796)
* Packaging resync (LP: #1786013)
- debian/dkms-versions -- update from kernel-versions (main/2022.03.21)
* focal/linux-azure: Enable missing config options (LP: #1968749)
- Drivers: hv: vmbus: Propagate VMbus coherence to each VMbus device
- PCI: hv: Propagate coherence from VMbus device to PCI device
- [Config] azure: arm64: Ignore module movements
- [Config] azure: arm64: Enable RAID config options
- [Config] azure: arm64: Enable SQUASHFS config options
-- Tim Gardner <[email protected]> Tue, 12 Apr 2022 18:53:53
-0600
** Changed in: linux-azure (Ubuntu Focal)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1968344
Title:
linux-azure: Fixup Hyperv backport bugs
Status in linux-azure package in Ubuntu:
Fix Released
Status in linux-azure source package in Focal:
Fix Released
Bug description:
SRU Justification
[Impact]
The initial release of arm64 support for Hyperv in the v5.4 was found to have
an x86 bug related to IRQ mapping. There is a SAUCE patch to correct a boot
failure.
[Test Case]
Boot an Azure instance with advanced networking enabled (mlx5_ib)
[Where things could go wrong]
There could be other interrupt allocation and mapping issues.
[Other Info]
These patches are dependent on LP: #1961300
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