Public bug reported:

[Impact]
It dumps some debug messages while loading iwlwifi firmware every time after 
booted up and finally got below errors
   [    5.632845] iwlwifi 0000:00:14.3: Failed to start RT ucode: -110
   [    5.632849] iwlwifi 0000:00:14.3: Firmware not running - cannot dump error
   [    5.645491] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110

[Fix]
It looks like it fails to load the firmware since mainline v5.4 kernel, and got 
fixed at v5.6-rc1. After bisect the kernel, the first bad commit is
   b3bd6416fc77 iwlwifi: assume the driver_data is a trans_cfg, but allow full 
cfg

To avoid conflicts, we have to backport the following commits from mainline 
kernel
   b81b7bd02eda iwlwifi: remove some outdated iwl22000 configurations
   c042f0c77f3d iwlwifi: allocate more receive buffers for HE devices
   5661925a9b38 iwlwifi: pcie: rx: use rxq queue_size instead of constant
   bfc3e9fdbfb8 iwlwifi: 22000: fix some indentation
   3681021fc6af iwlwifi: remove IWL_DEVICE_22560/IWL_DEVICE_FAMILY_22560

[Test]
Verified on Dell XPS 9300 with Killer AX1650i wifi card, wifi keeps working 
after reboot 10 times.

[Regression Potential]

** Affects: hwe-next
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: AceLan Kao (acelankao)
         Status: In Progress

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
     Assignee: AceLan Kao (acelankao)
         Status: In Progress


** Tags: oem-priority originate-from-1865829 ouagadougou

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Tags added: oem-priority originate-from-1865829 ouagadougou

** Changed in: linux (Ubuntu Focal)
       Status: New => In Progress

** Changed in: linux (Ubuntu Focal)
     Assignee: (unassigned) => AceLan Kao (acelankao)

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https://bugs.launchpad.net/bugs/1865962

Title:
  Dell XPS 13 9300 Intel 1650S wifi [34f0:1651] fails to load firmware

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  In Progress

Bug description:
  [Impact]
  It dumps some debug messages while loading iwlwifi firmware every time after 
booted up and finally got below errors
     [    5.632845] iwlwifi 0000:00:14.3: Failed to start RT ucode: -110
     [    5.632849] iwlwifi 0000:00:14.3: Firmware not running - cannot dump 
error
     [    5.645491] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110

  [Fix]
  It looks like it fails to load the firmware since mainline v5.4 kernel, and 
got fixed at v5.6-rc1. After bisect the kernel, the first bad commit is
     b3bd6416fc77 iwlwifi: assume the driver_data is a trans_cfg, but allow 
full cfg

  To avoid conflicts, we have to backport the following commits from mainline 
kernel
     b81b7bd02eda iwlwifi: remove some outdated iwl22000 configurations
     c042f0c77f3d iwlwifi: allocate more receive buffers for HE devices
     5661925a9b38 iwlwifi: pcie: rx: use rxq queue_size instead of constant
     bfc3e9fdbfb8 iwlwifi: 22000: fix some indentation
     3681021fc6af iwlwifi: remove IWL_DEVICE_22560/IWL_DEVICE_FAMILY_22560

  [Test]
  Verified on Dell XPS 9300 with Killer AX1650i wifi card, wifi keeps working 
after reboot 10 times.

  [Regression Potential]

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