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Date:      Tue, 9 Dec 2014 11:17:26 -0800
From:      "David P. Discher" <dpd@dpdtech.com>
To:        =?iso-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com>
Cc:        freebsd-xen@freebsd.org
Subject:   Re: Attempting to Get Xen FreeBSD Dom0 working
Message-ID:  <55E2C419-E537-4324-B7AB-A21E94863E17@dpdtech.com>
In-Reply-To: <5486B287.7070302@citrix.com>
References:  <481F7D02-BFE9-4E35-A475-5A8A05A801CE@dpdtech.com> <547DFCC0.6030003@citrix.com> <DCB954B5-0E45-4DE6-AAC4-C5ACF7FD90A7@dpdtech.com> <547F1476.8080305@citrix.com> <29437DB9-7DC8-47A8-8FC4-2BFDE736B5BC@dpdtech.com> <547F59B4.1010105@citrix.com> <2DDCAA68-3B11-4E3C-AE61-EAD8CEEF1E2D@dpdtech.com> <547F6AC1.9060709@citrix.com> <BBBFE7EC-BB42-4514-9A68-437ECAB8E640@dpdtech.com> <7C356027-01D8-4800-B211-282566BC9871@dpdtech.com> <54801F77.5050700@citrix.com> <C56B19DD-B001-4AB6-A296-EC221C58297C@dpdtech.com> <D2157B5C-391D-478B-A9F0-4D34DC21534A@dpdtech.com> <54819D6A.4050603@citrix.com> <7F90454D-16D5-4871-A155-5ADD01014976@dpdtech.com> <5486B287.7070302@citrix.com>

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ah, sorry missed that.   Will try that today. =20

AHCI lasted over night with MSI off.   Something I noticed, is that when =
the AHCI bus was timing out, it looked like the Xen Kernel was =
re-scanning the PCI bus.  (Sorry, didn=E2=80=99t save these logs). =
I=E2=80=99ve love to dig into this further.  =20

Please let me know what/where to add some debugging code.

-
David P. Discher
http://davidpdischer.com/
AIM: DavidDPD | Y!M: daviddpdz=20
Mobile: 408.368.3725



On Dec 9, 2014, at 12:27 AM, Roger Pau Monn=C3=A9 <roger.pau@citrix.com> =
wrote:

> Hello,
>=20
> El 08/12/14 a les 23.45, David P. Discher ha escrit:
> <SNIP>
>>=20
>> 	Sent SIGTERM to all processes                                    =
           =E2=94=82
>> 	Sent SIGKILL to all =
processes=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=
=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=
=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=
=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=
=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=
=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=98
>> 	Requesting system reboot
>> 	[ 1157.299205] Restarting system.
>> 	root@borg:/zdata/debian #
>> 	root@borg:/zdata/debian #
>> 	root@borg:/zdata/debian # xl create -c debian.cfg
>> 	root@borg:/zdata/debian # xl destroy debian
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	xc: error: Could not bounce buffer for version hypercall (35 =3D =
Resource temporarily unavailabl): Internal error
>> 	libxl: error: libxl.c:658:libxl_list_domain: getting domain info =
list: Resource temporarily unavailable
>> 	debian is an invalid domain identifier (rc=3D-5)
>> 	root@borg:/zdata/debian #
>>=20
>> I=E2=80=99m running AHCI with MSI off in the FreeBSD kernel, and so =
far, so good on that front.  The great thing is now I got the Xen =
console working, so can get the debug output.   However the bounce =
buffer/hypercall issue i would think is far more important than MSI =
interrupts at the monument.=20
>=20
> Glad to know you got it working at the end! I've already pointed this
> out in my last email, but did you try to increase vm.max_wired even =
further?
>=20
> This usually happens when mlock in
> freebsd_privcmd_alloc_hypercall_buffer (xc_freebsd_osdep.c) fails to
> wire down the memory that would be used by the hypercalls.
>=20
> Roger.
>=20


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