Date: Wed, 15 Aug 2018 16:55:31 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Michael Gmelin <freebsd@grem.de> Cc: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, Matthias Apitz <guru@unixarea.de>, jhb@freebsd.org Subject: Re: Fatal trap 12: page fault on Acer Chromebook 720 (peppy) Message-ID: <20180815135531.GA2340@kib.kiev.ua> In-Reply-To: <C26CD25D-3CB0-4F7E-8B50-F7E95E16B776@grem.de> References: <20180603215020.452a81d8@bsd64.grem.de> <20180603205340.GS3789@kib.kiev.ua> <20180604004632.56ca6afa@bsd64.grem.de> <20180604110654.GA2450@kib.kiev.ua> <20180604231756.2ed2adb9@bsd64.grem.de> <20180605131135.GH2450@kib.kiev.ua> <20180606010625.62632920@bsd64.grem.de> <20180815005106.69402d23@bsd64.grem.de> <20180815130447.GZ2340@kib.kiev.ua> <C26CD25D-3CB0-4F7E-8B50-F7E95E16B776@grem.de>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Aug 15, 2018 at 03:52:37PM +0200, Michael Gmelin wrote: > > > > On 15. Aug 2018, at 15:04, Konstantin Belousov <kostikbel@gmail.com> wrote: > > > >> On Wed, Aug 15, 2018 at 12:51:06AM +0200, Michael Gmelin wrote: > >> Reviving this old thread, since I just updated to r337818 and a similar > >> problem is happening again. Since the fix in r334799 (review > >> https://reviews.freebsd.org/D15675) (mp_)machdep.c have been touched, > >> so maybe this is related > >> (https://svnweb.freebsd.org/base?view=revision&revision=334799). > >> > >> Please see the screenshot of the panic below: > >> https://gist.github.com/grembo/78d0f2a100dd4f16775b85a118769658 > >> > >> This is me not digging any deeper, hoping that this is something > >> obvious. Please let me know if you need more input. > > > > I do not see how recent mp_machdep.c changes could affect this. > > Can you try newest kernel but old loader ? > > I will try (but that will take a while). Oh, also, it still boots in save mode/with smp disabled. Right, this is because the access to that address through DMAP is only needed when configuring AP startup resources. Also, I think it is safe to suggest that the bisect is needed.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20180815135531.GA2340>