Re: [PATCH v3] serial: 8250: Clear CON_PRINTBUFFER on port re-registration

From: Mark Brown

Date: Wed Jul 29 2026 - 07:20:09 EST


On Thu, Jul 23, 2026 at 10:55:44PM +0100, Mark Brown wrote:
> On Fri, May 22, 2026 at 06:10:42PM +0800, Fushuai Wang wrote:

> > Clear CON_PRINTBUFFER when re-registering a port to prevent duplicate
> > log printing.
>
> For the past week or more (I think since it was committed) I have been
> seeing boot regressions in -next on a wide range of platforms which
> bisect to it. One sample is the VisionFive2 which gets to userspace but
> grinds to a halt:

A fix for these boot regressions was pused by Fushuai:

https://lore.kernel.org/r/20260724093151.53216-1-fushuai.wang@xxxxxxxxx

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