From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: pvgrub boot problems
Date: Sat, 27 Mar 2010 15:23:42 -0700
Message-ID: <4BAE856E.5090902@goop.org>
References: <20100327105311.GU1878@reaktio.net>	<C7D39A1F.E823%keir.fraser@eu.citrix.com>	<20100327112400.GW1878@reaktio.net>
	<alpine.LFD.2.00.1003271919490.5501@vega2.dur.ac.uk>
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To: M A Young <m.a.young@durham.ac.uk>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, Keir Fraser <keir.fraser@eu.citrix.com>
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On 03/27/2010 12:31 PM, M A Young wrote:
> On Sat, 27 Mar 2010, Pasi K=E4rkk=E4inen wrote:
>
>> About pygrub.. Michael reported pvgrub doesn't work either, it crashes=
..
>> it might be different issue though.
>
> It is a separate issue because xen-unstable:21078 fixes my pygrub=20
> problem, but pvgrub still crashes.
>
> With pvgrub it gets as far as the boot menu, but crashes quickly when=20
> it tries to boot the selection with the error below (this is 32-bit=20
> pvgrub/guest  on 64-bit OS).

I see the same thing, though mostly with 64/64/64 xen/dom0/guest=20
boots.   AFAIK Samuel has not been able to repro the problem, even when=20
using my kernel and pvgrub images.  I sent him a complete image of my=20
/boot; with luck that will work...

     J

>
>     Michael Young
>
> root (hd0,0)
> Error ENOENT when reading the backend path device/vkbd/0/backend
> Page fault at linear address 0x1c, eip 0x51c5e, regs 0x3ff5ff7c, sp=20
> 0x3ff5fff0, our_sp 0x3ff5ff50, code 2
> Thread: kbdfront
> EIP: 51c5e, EFLAGS 10002.
> EBX: 746f6f72 ECX: 00000401 EDX: 00000000
> ESI: 3ff3fe98 EDI: 00000001 EBP: 3ff5ffb0 EAX: 00000000
> DS: e021 ES: e021 orig_eax: ffffffff, eip: 00051c5e
> CS: 1e019 EFLAGS: 00010002 esp: 3ff5fff0 ss: 37eb
> base is 0x3ff5ffb0 caller is 0x37eb
> base is 0x3ff5fff0 caller is 0x31ad
>
> 3ff5ffe0: 00 00 00 00 8f 37 00 00 30 00 00 00 40 f0 ff bf
> 3ff5fff0: 00 00 00 00 ad 31 00 00 94 fe f3 3f 00 00 00 00
> 3ff60000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 3ff60010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 3ff5ffa0: ff ff ff ff 5e 1c 05 00 19 e0 01 00 02 00 01 00
> 3ff5ffb0: f0 ff f5 3f eb 37 00 00 00 00 00 00 01 00 00 00
> 3ff5ffc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 3ff5ffd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 51c40: e5 8b 45 08 c7 40 1c 00 00 00 00 c7 40 20 00 00
> 51c50: 00 00 83 60 18 fe 5d c3 55 89 e5 8b 45 08 c7 40
> 51c60: 1c 00 00 00 00 c7 40 20 00 00 00 00 83 48 18 01
> 51c70: 5d c3 55 89 e5 53 83 ec 14 a1 e0 b1 94 00 8b 58
> Pagetable walk from virt 1c, base a74000:
>   L3 =3D 0000000119b68027 (0xa75000)  [offset =3D 0]
>    L2 =3D 0000000119b66067 (0xa77000)  [offset =3D 0]
>     L1 =3D 0000000000000000 [offset =3D 0]
>
>
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>   =20