Re: Patch "Revert "ACPI: resources: Add checks for ACPI IRQ override"" has been added to the 5.13-stable tree

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On 7/31/21 2:56 AM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:

This is a note to let you know that I've just added the patch titled

     Revert "ACPI: resources: Add checks for ACPI IRQ override"

to the 5.13-stable tree which can be found at:
     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
      revert-acpi-resources-add-checks-for-acpi-irq-override.patch
and it can be found in the queue-5.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


 From e0eef3690dc66b3ecc6e0f1267f332403eb22bea Mon Sep 17 00:00:00 2001
From: Hui Wang <hui.wang@xxxxxxxxxxxxx>
Date: Wed, 28 Jul 2021 23:19:58 +0800
Subject: Revert "ACPI: resources: Add checks for ACPI IRQ override"

From: Hui Wang <hui.wang@xxxxxxxxxxxxx>

commit e0eef3690dc66b3ecc6e0f1267f332403eb22bea upstream.

Confirming that this^ revert resolves the reported non-boot regression

System does boot cleanly; but, then REboots @ 60 seconds.

It's a known bug, with fix already in 5.13.9/stable:

 Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout"
 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.13.y&id=02db470b866fd06d8951

, causing TCO watchdog auto-reboot @ 60 secs.

Although particularly nasty on servers with /boot on RAID, breaking arrays if watchdog boots before arrays correctly assembled, iiuc, it's UN-related

With interim workaround

 edit /etc/modprobe.d/blacklist.conf

+	blacklist iTCO_wdt
+	blacklist iTCO_vendor_support

for this second issue in place, 5.13.8 boots & appears stable.



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