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Date: Sat, 25 Jun 2016 17:35:31 +0200
From: Tijl Coosemans <tijl@FreeBSD.org>
To: Konstantin Belousov <kostikbel@gmail.com>, "O. Hartmann"
 <ohartman@zedat.fu-berlin.de>
Cc: freebsd-current@freebsd.org
Subject: Re: HEADS UP: caution required with updates using custom kernels
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On Sat, 25 Jun 2016 18:26:45 +0300 Konstantin Belousov <kostikbel@gmail.com> wrote:
> On Sat, Jun 25, 2016 at 05:17:14PM +0200, O. Hartmann wrote:
>> Is there a way to salvage the situation without relying on "customized"
>> third party kernels?
>> 
>> I usually use /bin/csh - so this might be of use.
> 
> You need either kernel with COMPAT_FREEBSD10, or simpler, newer libc.
> You could take that libc anywhere, e.g. from the ALPHA5 binaries recently
> uploaded.  There is no way to fix build with the combination of bits you
> have at present self-hosting.

Can't he boot kernel.old?