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Message-ID: <20230615113108.GN7636@redhat.com>
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.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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