On Mon, 20 Jun 2022 00:29:16 +0206
John Ogness <john.ogness@linutronix.de> wrote:

> Hi Marek,
> 
> On 2022-06-19, Marek Behún <kabel@kernel.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).  
> 
> Could you provide your kernel config and a complete kernel boot log (at
> least as much as you get)? I would like to investigate the serial
> driver. What you are describing sounds more like a serial bug. The
> kthread console series has already uncovered serial driver bugs in
> multiple drivers.
> 
> Thanks for reporting this.
> 
> John Ogness

Hi John,

attaching bootlogs and config.

Marek