linux-kernel - Re: Boot stall regression from "printk for 5.19" merge

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Message-ID: <87o7yowaih.fsf@jogness.linutronix.de>
Date:   Mon, 20 Jun 2022 00:37:34 +0206
From:   John Ogness <john.ogness@...utronix.de>
To:     Marek Behún <kabel@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: Boot stall regression from "printk for 5.19" merge

On 2022-06-20, John Ogness <john.ogness@...utronix.de> wrote:
> On 2022-06-19, Marek Behún <kabel@...nel.org> wrote:
>> the series
>> https://lore.kernel.org/linux-kernel/YouKQw72H7y9EJQK@alley/
>> merged by commit 537e62c865dc ("Merge tag 'printk-for-5.19' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux")
>>
>> and in particular the commit 09c5ba0aa2fc ("printk: add kthread console
>> printers")
>>
>> causes a regression on arm64 (Marvell CN9130-CRB board) where the
>> system boot freezes in most cases (and is unusable until restarted by
>> watchdog), or, in some cases boots, but the console output gets mangled
>> for a while (the serial console spits garbage characters).

Also, have you tried 5.19-rc3? There were several fixes that came in
after rc2.

John Ogness