From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 24 May 2014 05:01:28 -0700
From: Nick Owens <mischief@9.offblast.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Message-ID: <20140524120128.GN3763@iota.offblast.org>
References: <CAA6Yd9XY9pjML_ojMrfz=AVhZLxWx1StJidxwaESvggysgnixw@mail.gmail.com>
	<CAB8pEY4=Xps=rWXH2z0qtMO0MjDNOJx=6NNFbsgfJZMgNJHUVQ@mail.gmail.com>
	<CAA6Yd9Vf176fOh7qcnQAa1mBvVfQLyE385_4vtvUsUo0MoZjMA@mail.gmail.com>
	<CAA6Yd9VcG0rV=PMNS80TmVQyhAM-t2muuP9X19YSned4ehvZwg@mail.gmail.com>
	<CAA6Yd9XiHH84zamk3F95WWLjJOb1cmgLgbtv8VyYq-ZAxhCw3A@mail.gmail.com>
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User-Agent: Mutt/1.5.21 (2010-09-15)
Subject: Re: [9fans] dual boot
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On Sat, May 24, 2014 at 05:03:07PM +0530, Ramakrishnan Muthukrishnan wrote:
> On Sat, May 24, 2014 at 12:17 PM, Ramakrishnan Muthukrishnan
> <vu3rdd@gmail.com> wrote:
> > On Sat, May 24, 2014 at 12:13 PM, Ramakrishnan Muthukrishnan
> > <vu3rdd@gmail.com> wrote:
> >> I downloaded the usbinstamd64 image from the 9atom webpage and booted
> >> it up. First, I tried amd64 (selection 0), in a second or so, some
> >> text went past the screen quickly and the machine rebooted. I then
> >> tried selection 1 (386pae), that booted up but quickly halted with
> >> this:
> >>
> >> Plan 9
> >> E820: ....
> >> ...
> >> apic: 6 machs started; flat mode vectors
> >> winbont ffff.ff hw fff8
> >>   no capabilities
> >> panic: kernel fault: no user process pc=3Df0162415 addr=3D0x000000a8
> >> panic: kernel fault: no user process pc=3Df0162415 addr=3D0x000000a8
> >> dumpstack disabled
> >> cpu0: exiting
> >> cpu0: spurious interrupt 39, last 0
> >>
> >> and it hangs there.
> >
> > The mother board is ASUS M4A89GTD PRO/USB3.
> >
> > <http://www.asus.com/Motherboards/M4A89GTD_PROUSB3/>
>=20
> Also for the record, I also tried the Labs plan9 usb image. That
> didn't go past a few initial prints either. I didn't note them down
> but it was different from the ones reported above with 9atom and
> failed much earlier.
>=20
> --=20
>   Ramakrishnan
>=20

it appears this motherboard is using usb 3 aka xhci. i don't know for
certain but i don't think any plan 9 (fork or not-a-fork) has xhci
support. looking through the archive, there was talk of xhci about a
year ago.

try disabling usb 3.0 in the bios setting and see if it makes progress
when booting from usb.


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