Hey, 1.9.4 worked a lot better for me! I had tried a similar exercise ca
few weeks ago with whatever was the latest build at the time, but could
have been doing something else wrong for all I know.
This time, I took the same configuration that I mentioned from 30
minutes ago but with tboot 1.9.4 and now it is booting. Hopefully I can
move on to the next steps in using Trusted Boot.
On 08/10/2016 07:26 PM, Brian E Luckau wrote:
Thank you for the tips. I had indeed been trying to get output on
serial as well but not getting anything.
I got serial output to happen successfully this time; this is my
current line in grub.cfg:
multiboot2 /tboot.gz /tboot.gz logging=serial,memory,vga
loglvl=all serial=115200,8n1,0x2f8
Now I'm able to get more information on serial (after adding that
serial= entry)
It turns out it is hanging at
TBOOT: transfering control to kernel @0x1000000...
SO... I would venture to say people who write in with the "no console
will be available to OS" problem are barking up the wrong tree, like I
was. If you can get the serial output then more might come to light
about what is really happening.
We may need to try this on better TXT-enabled hardware with the right
BIOS. However, I'm confused at the fact that it hangs here if we are
using UEFI but not if we are using legacy grub.
I'm accustomed to the system booting regardless of whether you have
the hardware, bios, etc. for it. You just would not get a measured
boot. So, still scratching my head here.
-- Brian
On 07/31/2016 01:54 PM, Brian Luckau wrote:
Re: [tboot-devel] no console will be available to OS Will try that
when I Wade back onto it again. Last week tried we could get it to
work with legacy bios but not EFI
-----Original Message-----
*From: *Jason Zaman [ja...@perfinion.com <mailto:ja...@perfinion.com>]
*Sent: *Sunday, July 31, 2016 09:51 AM Central Standard Time
*To: *Justin King-Lacroix
*Cc: *tboot-devel@lists.sourceforge.net
*Subject: *Re: [tboot-devel] no console will be available to OS
On Fri, Jul 29, 2016 at 01:01:46PM -0700, Justin King-Lacroix wrote:
> Nope, doesn't work on (at least) recent Lenovo laptops. Tried it a few
> weeks back.
>
> Getting the same "WARNING: no console will be available to OS" on
1.9.4,
> too.
>
> On 29 July 2016 at 09:26, Sun, Ning <ning....@intel.com> wrote:
>
> > There is a latest tboot 1.9.4 to download on sourceforge
> > https://sourceforge.net/projects/tboot/
> > You can collect tboot output through serial port in a UEFI boot.
> > For install and run tboot in UEFI, you also can follow the wiki here
> > https://sourceforge.net/p/tboot/wiki/Home/.
> > README in tboot source code tree is very helpful as well.
> > Hope this helps.
> >
> > -ning
> >
> > -----Original Message-----
> > From: Brian E Luckau [mailto:bluc...@sgi.com]
> > Sent: Thursday, July 28, 2016 3:21 PM
> > To: tboot-devel@lists.sourceforge.net
> > Subject: [tboot-devel] no console will be available to OS
> >
> > Hi,
> >
> > I have tried searching the archives with no luck. When I try to
use tboot
> > with UEFI, it gives me:
> >
> > Loading tboot 1.8.1
> > WARNING: no console will be available to OS Loading Linux
> > 3.10.0-327.el7.x86_64 Loading initial ramdisk ...
> >
> > Then nowhere. I have tried using console=tty0,
console=ttyS1,115200 and
> > various different variations of this.
You need to use something like this:
loglvl=all logging=memory,serial serial=115200,8n1,0x30b0
console= is a linux cmdline option. tboot needs serial=. also you need
to find the hex addr of the serial port which Ive forgotten how to do.
that addr is for my the AMT serial thing on my Lenovo T440s
-- Jason
> >
> > My colleagues and I have not been able to get tboot to work on EFI
> > platforms. I am sure there may be something wrong with our
config but we
> > are flying blind. How do others deal with this when it occurs?
> >
> >
> >
> >
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> > tboot-devel mailing list
> > tboot-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/tboot-devel
> >
> >
> >
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