Messages in this thread | | | From | John Ogness <> | Subject | Re: Boot stall regression from "printk for 5.19" merge | Date | Mon, 20 Jun 2022 00:29:16 +0206 |
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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
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