linux-kernel - Re: [PATCH] printk: handle blank console arguments passed in.

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Message-ID: <20201006133319.GA178176@jagdpanzerIV.localdomain>
Date:   Tue, 6 Oct 2020 22:33:19 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Shreyas Joshi <shreyas.joshi@...mp.com>, rostedt@...dmis.org,
        shreyasjoshi15@...il.com, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] printk: handle blank console arguments passed in.

On (20/10/06 11:54), Petr Mladek wrote:
> On Tue 2020-10-06 15:59:07, Sergey Senozhatsky wrote:
> > On (20/10/05 20:35), Guenter Roeck wrote:
> > > On a side note, I don't see the problem presumably fixed with this
> > > patch in any of my tests.
> > 
> > Hmm. This is rather interesting. Empty console= certainly oops-es my laptop,
> 
> Just by chance. Do you have any log with the Oops? Or does it die
> silently?

The laptop in question has fbdev and no serial. It dies with blank screen.
I'll try to dig it and get some backtrace or anything useful.

	-ss