focal/linux-gke: 5.4.0-1043.45 -proposed tracker

Three regressions on f1-micro only (one also on g1-small):
ebizzy #1927126
rmaptest #1927123
ubuntu_lttng_smoke_test #1927126

Related bugs found during regression testing: https://bugs.launchpad.net/ubuntu-kernel-tests/+bugs?field.searchtext=&orderby=-importance&field.tag=sru-20210412+focal+gke&field.tags_combinator=ALL

One more time list of regressions:
ebizzy bug #1927126
rmaptest bug #1927123
ubuntu_lttng_smoke_test bug #1927126

ebizzy bug #1927121

Setting regression-testing to 'Incomplete' due to the regressions found.

The issues found during the Regression Tests are not regressions. Setting task to 'Fix Released'.

Verification-testing completed successfully.

The only remaining issue on the report is bug 1908264, which I have manually verified with this kernel.

This bug was fixed in the package linux-gke - 5.4.0-1043.45

---------------
linux-gke (5.4.0-1043.45) focal; urgency=medium

  * focal/linux-gke: 5.4.0-1043.45 -proposed tracker (LP: #1923768)

  * Focal update: v5.4.106 upstream stable release (LP: #1920246)
    - [Config] gke: update abi for rc-cec

  * Disable Atari partition support for cloud kernels (LP: #1908264)
    - [Config]: Disable ATARI_PARTITION

  [ Ubuntu: 5.4.0-73.82 ]

  * focal/linux: 5.4.0-73.82 -proposed tracker (LP: #1923781)
  * Packaging resync (LP: #1786013)
    - update dkms package versions
  * CIFS DFS entries not accessible with 5.4.0-71.74-generic (LP: #1923670)
    - Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting
      cifs_sb->prepath."
  * CVE-2021-29650
    - Revert "netfilter: x_tables: Update remaining dereference to RCU"
    - Revert "netfilter: x_tables: Switch synchronization to RCU"
    - netfilter: x_tables: Use correct memory barriers.
  * LRMv4: switch to signing nvidia modules via the Ubuntu Modules signing key
    (LP: #1918134)
    - [Packaging] dkms-build{,--nvidia-N} sync back from LRMv4
  * 5.4 kernel: when iommu is on crashdump fails (LP: #1922738)
    - iommu/vt-d: Refactor find_domain() helper
    - iommu/vt-d: Add attach_deferred() helper
    - iommu/vt-d: Move deferred device attachment into helper function
    - iommu/vt-d: Do deferred attachment in iommu_need_mapping()
    - iommu/vt-d: Remove deferred_attach_domain()
    - iommu/vt-d: Simplify check in identity_mapping()
  * Backport mlx5e fix for tunnel offload (LP: #1921769)
    - net/mlx5e: Check tunnel offload is required before setting SWP
  * Bcache bypasse writeback on caching device with fragmentation (LP: #1900438)
    - bcache: consider the fragmentation when update the writeback rate
  * Fix implicit declaration warnings for kselftests/memfd test on newer
    releases (LP: #1910323)
    - selftests/memfd: Fix implicit declaration warnings
  * net/mlx5e: Add missing capability check for uplink follow (LP: #1921104)
    - net/mlx5e: Add missing capability check for uplink follow
  * [UBUNUT 21.04] s390/vtime: fix increased steal time accounting
    (LP: #1921498)
    - s390/vtime: fix increased steal time accounting
  * Mute/Mic-mute LEDs are not work on HP 850/840/440 G8 Laptops (LP: #1920030)
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP 840 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP 440 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP 850 G8
  * Focal update: v5.4.106 upstream stable release (LP: #1920246)
    - uapi: nfnetlink_cthelper.h: fix userspace compilation error
    - powerpc/pseries: Don't enforce MSI affinity with kdump
    - ath9k: fix transmitting to stations in dynamic SMPS mode
    - net: Fix gro aggregation for udp encaps with zero csum
    - net: check if protocol extracted by virtio_net_hdr_set_proto is correct
    - net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
    - sh_eth: fix TRSCER mask for SH771x
    - can: skb: can_skb_set_owner(): fix ref counting if socket was closed before
      setting skb ownership
    - can: flexcan: assert FRZ bit in flexcan_chip_freeze()
    - can: flexcan: enable...

All tasks have been completed and the bug is being set to Fix Released