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Date:      Thu, 21 Feb 2013 00:47:32 +0200
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Navdeep Parhar <nparhar@gmail.com>
Cc:        Xin Li <delphij@delphij.net>, FreeBSD Current <freebsd-current@freebsd.org>, d@delphij.net
Subject:   Re: -CURRENT userland regression
Message-ID:  <20130220224732.GV2598@kib.kiev.ua>
In-Reply-To: <51254F33.5060904@gmail.com>
References:  <51254ACE.2030100@delphij.net> <51254C7E.9050705@gmail.com> <20130220222518.GT2598@kib.kiev.ua> <51254F33.5060904@gmail.com>

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On Wed, Feb 20, 2013 at 02:33:23PM -0800, Navdeep Parhar wrote:
> On 02/20/13 14:25, Konstantin Belousov wrote:
> > On Wed, Feb 20, 2013 at 02:21:50PM -0800, Navdeep Parhar wrote:
> >> On 02/20/13 14:14, Xin Li wrote:
> >>> Hi,
> >>>
> >>> It seems that fresh -HEAD would give an unusable kernel that
> >>> overwrites screen buffer in a way making it impossible to debug.
> >>> Using an old world source to do 'make buildworld buildkernel' results
> >>> in a (mostly: I have some strange USB issue right now and still
> >>> looking for the cause) usable kernel.
> >>>
> >>> For now my known good combination is world 246858 with kernel 247057.
> >>>  I'm still trying to find out which revision have broke the stuff.
> >>
> >> I ran into this earlier today.  Selecting "safe mode" in the boot load=
er
> >> menu seems to work around the problem on my system.  Now I will not
> >> reboot until I see a fix for this in head :-)
> >=20
> > How much 'the earlier today' is ?
> > I.e., could you specify some revisions ?
> >=20
>=20
> I upgraded from a month old (approx.) head to r247054 and ran into this
> problem.  I haven't tried bisecting as I need a running system right now.

BTW, does the loader fails, or is it the kernel where the problems start
appearing ?

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