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Date:   Wed, 20 Dec 2017 13:48:31 +0100
From:   Johannes Thumshirn <>
To:     Daniel Stone <>
Cc:     Max Staudt <>,
        Bartlomiej Zolnierkiewicz <>,
        Linux Fbdev development list <>,,,,, dri-devel <>,
        Linux Kernel Mailing List <>,,,
Subject: Re: [RFC PATCH v2 00/13] Kernel based bootsplash

On Wed, Dec 20, 2017 at 11:22:36AM +0000, Daniel Stone wrote:
> > Also plymouth grabs the escape character of HPE iLOs, which is a serious
> > no-go.
> I'm not entirely sure what this means, but maybe it's best addressed
> as a bug report to the Plymouth developers? One of them is in this
> thread.

Some server BMCs do have a serial port emulation which can be reached via ssh
(apart from IPMI, etc...). HPE's particular implementaion has it's escape
character bound to the Escape key. So with plymouth running, i.e. because your boot
hangs, which for me working on block, scsi and friends happens at least once a
week results in physically power cycling the machine as I can't exit the
serial emulation and go back to the BMCs shell. I don't care too much as I'm
just a developer and used to power cycle test machines, but I do care about
the customer experience in this case.

To me it looks like the plymouth folks have a slight disconnect from the
server, or non-desktop world. We've already experienced this pattern in the
world of init systems.

Johannes Thumshirn                                          Storage                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
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