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

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Message-ID: <20230614173430.GB10301@redhat.com>
Date:   Wed, 14 Jun 2023 18:34:30 +0100
From:   "Richard W.M. Jones" <rjones@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Aaron Thompson <dev@...ont.org>, linux-kernel@...r.kernel.org
Subject: Re: printk.time causes rare kernel boot hangs

FWIW attached is a test program that runs the qemu instances in
parallel (up to 8 threads), which seems to be a quicker way to hit the
problem for me.  Even on Intel, with this test I can hit the bug in a
few hundred iteration.

Rich.

-- 
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