FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgent
commit 4c24cee6b2aeaee3dab896f76fef4fe79d9e4183 ("x86/irq: Enhance __assign_irq_vector() to rollback in case of failure")


+------------------------------------------------+------------+------------+
|                                                | 6dd7cb991f | 4c24cee6b2 |
+------------------------------------------------+------------+------------+
| boot_successes                                 | 6          | 0          |
| boot_failures                                  | 0          | 8          |
| IP-Config:Auto-configuration_of_network_failed | 0          | 6          |
| BUG:kernel_boot_hang                           | 0          | 2          |
+------------------------------------------------+------------+------------+

It appears that the Ethernet card doesn't work properly after your patch.

[   15.342990] Waiting up to 110 more seconds for network.
[   25.346987] Waiting up to 100 more seconds for network.
[   35.350995] Waiting up to 90 more seconds for network.
[   45.350993] Waiting up to 80 more seconds for network.
[   55.351006] Waiting up to 70 more seconds for network.
[   65.350992] Waiting up to 60 more seconds for network.
[   75.355017] Waiting up to 50 more seconds for network.
[   85.359009] Waiting up to 40 more seconds for network.
[   95.363009] Waiting up to 30 more seconds for network.
[  305.883015] Waiting up to 20 more seconds for network.
[  315.887002] Waiting up to 10 more seconds for network.
[  325.887524] Sending DHCP requests ...... timed out!
[  417.893036] IP-Config: Auto-configuration of network failed
[  417.893852] ALSA device list:
[  417.894270]   No soundcards found.
[  417.899649] Freeing unused kernel memory: 2884K (ffffffff82574000 - ffffffff82845000)


Thanks,
Ying Huang