linux-kernel - Re: [PATCH] console: use first console if stdout-path device doesn't appear

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Message-ID: <5219732.Ba7sxnzBSd@np-p-burton>
Date:   Mon, 31 Oct 2016 12:23:21 +0000
From:   Paul Burton <paul.burton@...tec.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Andreas Schwab <schwab@...ux-m68k.org>,
        <larry.finger@...inger.net>
CC:     Petr Mladek <pmladek@...e.com>, <linux-kernel@...r.kernel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Tejun Heo <tj@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Borislav Petkov <bp@...e.de>, <linuxppc-dev@...ts.ozlabs.org>,
        Thorsten Leemhuis <regressions@...mhuis.info>
Subject: Re: [PATCH] console: use first console if stdout-path device doesn't appear

Hi Michael et al,

On Monday, 31 October 2016 16:28:59 GMT Michael Ellerman wrote:
> Andreas Schwab <schwab@...ux-m68k.org> writes:
> > Any news?
> 
> We discovered it also breaks VGA on qemu, which presumably is not the
> type of news you were hoping for.

On the contrary, that's wonderful news - I can test that! Huzzah for 
brokenness!

Thanks for your steps to reproduce the issue. Could you try my v2 patch? It 
works for me in QEMU, at least as far as seeing the kernel console output for 
a panic due to not having a rootfs. Hopefully it works for you (& Andreas & 
Larry) too:

https://patchwork.kernel.org/patch/9405415/

Thanks,
    Paul
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