Date: Sun, 05 Mar 2017 15:29:34 +0800 From: Alastair Hogge <agh@fastmail.fm> To: freebsd-current@freebsd.org Cc: Chris H <bsd-lists@bsdforge.com> Subject: Re: kernel trap 12 with interrupts disabled Message-ID: <1745169.3N1kysQ08H@madcat.anarchadelic.> In-Reply-To: <7c300bdfa4f923ec5406e257dbb17ad1@ultimatedns.net> References: <959436378530ea6a182825fb1328bcb6@ultimatedns.net> <3109513.uzeZf1mvEc@madcat.anarchadelic.> <7c300bdfa4f923ec5406e257dbb17ad1@ultimatedns.net>
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On Sat, 4 Mar 2017 10:34:39 PM Chris H wrote:
> On Sun, 05 Mar 2017 14:26:31 +0800 Alastair Hogge <agh@fastmail.fm> wrote
>
> > On Sat, 4 Mar 2017 10:08:45 PM Chris H wrote:
> > > Thanks for the reply.
> > > I rebooted to kernel.old, so I could get the exact
> > > src revision I built this on. It's r314640
> > >
> > > Any news as to whether it's safe to update src, and
> > > build a usable kernel?
> >
> > I am not able to boot a kernel > r314627. I currently have a r314627
> > kernel running with a r314687 world.
>
> Looking at the output in my trap; I got the impression that
> the commit: r314636, might be to blame --
[removed commit log]
Thanks for the correct.
> I'm thinking to back that commit out, and giving world/kernel
> another shot.
I changed ${src}/sys/x86/x86/mca.c to return immediately:
--- sys/x86/x86/mca.c (revision 314698)
+++ sys/x86/x86/mca.c (working copy)
@@ -1016,6 +1016,7 @@
static void
_mca_init(int boot)
{
+return;
uint64_t mcg_cap;
uint64_t ctl, mask;
int i, skip;
I have a working & sync'd kernel + world.
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