MIME-Version: 1.0
Date:   Tue, 28 Feb 2023 00:45:34 +0000
From:   Marc Zyngier <maz@kernel.org>
To:     Bingbu Cao <bingbu.cao@linux.intel.com>
Cc:     linux-kernel@vger.kernel.org, johan+linaro@kernel.org,
        hsinyi@chromium.org
Subject: Re: System boot failure related to commit 'irqdomain: Switch to
 per-domain locking'
In-Reply-To: <d2290916-f78c-4b0a-d706-0955ae0aa4ff@linux.intel.com>
References: <d2290916-f78c-4b0a-d706-0955ae0aa4ff@linux.intel.com>
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On 2023-02-27 10:46, 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
> 
> 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?

Please provide us with a kernel boot log. It is very hard
to figure out what is going on without it. It would also
help if you indicated what sort of device is your root
filesystem on (NVMe, SATA, USB...), as it would narrow the
search for the culprit.

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...