linux-kernel - Re: printk.time causes rare kernel boot hangs

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Date:   Thu, 15 Jun 2023 12:31:08 +0100
From:   "Richard W.M. Jones" <rjones@...hat.com>
To:     YiFei Zhu <zhuyifei@...gle.com>
Cc:     dev@...ont.org, linux-kernel@...r.kernel.org, peterz@...radead.org,
        zhuyifei1999@...il.com
Subject: Re: printk.time causes rare kernel boot hangs

On Thu, Jun 15, 2023 at 11:04:29AM +0000, YiFei Zhu wrote:
> see if you can send a alt-sysrq-w to show stacks of
> blocked tasks.

I guess this is a virtual console thing?  I have to boot this hundreds
of times with a serial console to even get to the bug, so it's tricky.

Rich.

-- 
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