linux-kernel - Re: System boot failure related to commit 'irqdomain: Switch to per-domain locking'

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Message-ID: <Y/yNxQADtJJLFY5W@hovoldconsulting.com>
Date:   Mon, 27 Feb 2023 12:02:29 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Bingbu Cao <bingbu.cao@...ux.intel.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        johan+linaro@...nel.org, hsinyi@...omium.org, maz@...nel.org
Subject: Re: System boot failure related to commit 'irqdomain: Switch to
 per-domain locking'

On Mon, Feb 27, 2023 at 06:46:05PM +0800, Bingbu Cao wrote:
> 
> Hi, Johan and Zyngier, 
> 
> I am using a Dell XPS laptop(Intel Processor) just update my
> Linux kernel to latest tag 6.2.0, and then I see that the kernel
> cannot boot successfully, it reported:
> --------------------------------------------
> Gave up waiting for root file system device. Common problems:
>  - Boot args (cat /proc/cmdline)
>    - Check rootdelay= (did the system wait long enough?)
>  - Missing modules (cat /proc/modules; ls /dev)
> 
> ALERT! UUID=xxxxxxx does not exist. Dropping to shell!
> --------------------------------------------
> 
> And then it drop into initramfs shell, I try to use 'blkid' to
> get block devices information, but it showed nothing.
> 
> I also tried add 'rootdelay' and 'rootwait' in bootargs, but it did
> not work.
> 
> I am sure that my previous kernel 6.2.0-rc4 work normally, so I
> did some bisect and found the commit below cause the failure on
> my system:
> 
> 9dbb8e3452ab irqdomain: Switch to per-domain locking

This commit is not in 6.2.0, so I assume you're using a build of Linus's
master branch (i.e. what will become 6.3-rc1)?

> I really have no idea why it cause my problem, but I see just
> reverting this commit really help me.
> 
> Do you have any idea?

Is there anything suspicious in dmesg (e.g. any new warnings or stack
dumps)?

One issue with the above commit that affects some systems (e.g. using
xen virtualisation) has been reported and fixed already. Could you try
applying the following and see if that helps?

	https://lore.kernel.org/all/20230223083800.31347-1-jgross@suse.com/

Johan