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Date:      Fri, 24 May 2013 11:34:10 +0300
From:      Yuriy Kohut <ykohut@onapp.com>
To:        =?iso-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com>
Cc:        "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org>, xen-devel <xen-devel@lists.xen.org>, "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org>, "xen-users@lists.xen.org" <xen-users@lists.xen.org>
Subject:   Re: FreeBSD PVHVM call for testing
Message-ID:  <F18A7066-4A1C-4A2A-A034-9A2A46985565@onapp.com>
In-Reply-To: <7C420745-BAC0-4BD0-AB60-E3BC7F8BA2A7@onapp.com>
References:  <519131D8.9010307@citrix.com> <7C420745-BAC0-4BD0-AB60-E3BC7F8BA2A7@onapp.com>

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Hi,

I've just successfully run FreeBSD 9.1 based guest with 'pvhvm_v8' based =
kernel under Xen 4.2.2.

So I couldn't confirm any issue with the kernel both on Xen 3.4.4 and =
4.2.2.
Nice Job.

Hypervisor details:
# xm info
host                   : ********
release                : 3.8.7-1.el6xen
version                : #1 SMP Tue Apr 16 13:14:14 EEST 2013
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 1995
hw_caps                : =
bfebfbff:28100800:00000000:00003b40:009ce3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 16374
free_memory            : 7194
free_cpus              : 0
xen_major              : 4
xen_minor              : 2
xen_extra              : .2
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 =
hvm-3.0-x86_32p hvm-3.0-x86_64=20
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=3D0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : dom0_mem=3D409600
cc_compiler            : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
cc_compile_by          : mockbuild
cc_compile_domain      : ********
cc_compile_date        : Tue May  7 19:26:49 EST 2013
xend_config_format     : 4


DomU details:
# xm list --long f2tbrxodmgk9ng
(domain
    (domid 146)
    (cpu_weight 400)
    (cpu_cap 0)
    (pool_name Pool-0)
    (bootloader '')
    (vcpus 4)
    (cpus (() () () ()))
    (on_poweroff destroy)
    (description '')
    (on_crash restart)
    (uuid 355cfb26-4793-f85a-e330-7b6bfcae49b5)
    (bootloader_args '')
    (name f2tbrxodmgk9ng)
    (on_reboot restart)
    (maxmem 1024)
    (memory 1024)
    (shadow_memory 12)
    (features '')
    (on_xend_start ignore)
    (on_xend_stop ignore)
    (start_time 1369384081.34)
    (cpu_time 59.956655605)
    (online_vcpus 4)
    (image
        (hvm
            (kernel '')
            (superpages 0)
            (videoram 4)
            (hpet 0)
            (stdvga 0)
            (loader /usr/lib/xen/boot/hvmloader)
            (xen_platform_pci 1)
            (nestedhvm 0)
            (rtc_timeoffset 10801)
            (pci ())
            (hap 1)
            (localtime 0)
            (timer_mode 1)
            (pci_msitranslate 1)
            (oos 1)
            (apic 1)
            (usbdevice tablet)
            (vpt_align 1)
            (vncunused 1)
            (boot cd)
            (pae 1)
            (viridian 0)
            (acpi 1)
            (vnc 1)
            (nographic 0)
            (nomigrate 0)
            (usb 0)
            (tsc_mode 0)
            (guest_os_type default)
            (device_model /usr/lib64/xen/bin/qemu-dm)
            (pci_power_mgmt 0)
            (xauthority /root/.Xauthority)
            (isa 0)
            (notes (SUSPEND_CANCEL 1))
        )
    )
    (status 2)
    (state -b----)
    (store_mfn 1044476)
    (device
        (vif
            (bridge nnl9l2z5l3q3d8)
            (uuid daeabd68-05a0-f25b-ba65-394627505b50)
            (script /etc/xen/scripts/vif-bridge)
            (ip 109.123.91.166)
            (mac 00:16:3e:e8:88:49)
            (vifname qgdvmt5h6d2l9s)
            (backend 0)
        )
    )
    (device
        (console
            (protocol vt100)
            (location 7)
            (uuid c670a71d-4c3b-1fcb-974a-587f17740a6c)
        )
    )
    (device
        (vbd
            (protocol x86_64-abi)
            (uuid 9067929c-9b48-99c6-5526-e771d43f427c)
            (bootable 1)
            (dev hda:disk)
            (uname phy:/dev/fv4zl7t2h5wbeq/o76ciuubu0r986)
            (mode w)
            (backend 0)
            (VDI '')
        )
    )
    (device
        (vbd
            (protocol x86_64-abi)
            (uuid 2ae3630e-0e8e-04e4-8caf-ac4d1e9fd402)
            (bootable 0)
            (dev hdb:disk)
            (uname phy:/dev/fv4zl7t2h5wbeq/xi0nw7u4zo0bu9)
            (mode w)
            (backend 0)
            (VDI '')
        )
    )
    (device
        (vbd
            (protocol x86_64-abi)
            (uuid 33d3e25c-0c1c-ced6-c8b6-5a706ab0d403)
            (bootable 0)
            (dev hdc:cdrom)
            (uname file:/tools/freebsd/boot-freebsd-generic.iso)
            (mode r)
            (backend 0)
            (VDI '')
        )
    )
    (device
        (vfb
            (vncunused 1)
            (vnc 1)
            (uuid 438a2ffd-bec7-1e54-bb0b-4fdd400517cf)
            (location 0.0.0.0:5908)
        )
    )
)



DomU from "inside":
# uname -a
FreeBSD yurak2.vm 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r+03cdadc: Thu =
May 23 18:55:33 AST 2013     root@yurak2.vm:/usr/obj/freebsd/sys/XENHVM  =
amd64
---
Yura

On May 22, 2013, at 18:27 PM, Yuriy Kohut <ykohut@onapp.com> wrote:

> Hi,
>=20
> I've just successfully run FreeBSD 9.1 based guest with 'pvhvm_v8' =
based kernel under Xen 3.4.4.
>=20
> Hypervisor details:
> # xm info
> host                   : *******
> release                : 2.6.18-348.2.1.el5xen
> version                : #1 SMP Tue Mar 5 17:05:33 EST 2013
> machine                : x86_64
> nr_cpus                : 4
> nr_nodes               : 1
> cores_per_socket       : 4
> threads_per_core       : 1
> cpu_mhz                : 2128
> hw_caps                : =
bfebfbff:28100800:00000000:00000340:009ce3bd:00000000:00000001:00000000
> virt_caps              : hvm
> total_memory           : 6135
> free_memory            : 262
> node_to_cpu            : node0:0-3
> node_to_memory         : node0:262
> xen_major              : 3
> xen_minor              : 4
> xen_extra              : .4
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 =
hvm-3.0-x86_32p hvm-3.0-x86_64=20
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=3D0xffff800000000000
> xen_changeset          : unavailable
> cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)
> cc_compile_by          : root
> cc_compile_domain      : ******
> cc_compile_date        : Wed Sep  5 18:01:10 EEST 2012
> xend_config_format     : 4
>=20
>=20
> DomU details:
> # xm list --long h283bpm53f9rnx
> (domain
>     (domid 61)
>     (on_crash restart)
>     (uuid a2cbcba9-1d66-87ce-6d2f-412e70eab051)
>     (bootloader_args )
>     (vcpus 2)
>     (name h283bpm53f9rnx)
>     (on_poweroff destroy)
>     (on_reboot restart)
>     (cpus (() ()))
>     (bootloader )
>     (maxmem 1024)
>     (memory 1024)
>     (shadow_memory 10)
>     (features )
>     (on_xend_start ignore)
>     (on_xend_stop ignore)
>     (start_time 1369235607.92)
>     (cpu_time 31.914003553)
>     (online_vcpus 2)
>     (image
>         (hvm
>             (kernel )
>             (videoram 4)
>             (hpet 0)
>             (stdvga 0)
>             (loader /usr/lib/xen/boot/hvmloader)
>             (vncunused 1)
>             (xen_platform_pci 1)
>             (boot cd)
>             (rtc_timeoffset 7202)
>             (pci ())
>             (pae 1)
>             (vpt_align 1)
>             (hap 1)
>             (viridian 0)
>             (acpi 1)
>             (localtime 0)
>             (timer_mode 1)
>             (vnc 1)
>             (nographic 0)
>             (guest_os_type default)
>             (pci_msitranslate 1)
>             (apic 1)
>             (monitor 0)
>             (usbdevice tablet)
>             (device_model /usr/lib64/xen/bin/qemu-dm)
>             (pci_power_mgmt 0)
>             (usb 0)
>             (xauthority /root/.Xauthority)
>             (isa 0)
>             (notes (SUSPEND_CANCEL 1))
>         )
>     )
>     (status 2)
>     (state -b----)
>     (store_mfn 1044476)
>     (device
>         (vif
>             (bridge xnh5getjoj54ke)
>             (uuid 6133c146-48ea-b7a5-0263-fda98e1a30fe)
>             (script /etc/xen/scripts/vif-bridge)
>             (ip 83.170.81.183)
>             (mac 00:16:3e:a4:02:5a)
>             (vifname t2vd5w22msrv5d)
>             (backend 0)
>         )
>     )
>     (device
>         (vbd
>             (protocol x86_64-abi)
>             (uuid dd857cd1-2a4c-ea21-a5a5-e95d811f607a)
>             (bootable 1)
>             (dev hda:disk)
>             (uname phy:/dev/9yblt1m70pdtdp/ddfhogyred6bby)
>             (mode w)
>             (backend 0)
>             (bootable 1)
>             (VDI )
>         )
>     )
>     (device
>         (vbd
>             (protocol x86_64-abi)
>             (uuid 19cae15c-354d-77cb-57ec-dc313f1d05ba)
>             (bootable 0)
>             (dev hdb:disk)
>             (uname phy:/dev/9yblt1m70pdtdp/dhnnwhs6jh9kdd)
>             (mode w)
>             (backend 0)
>             (bootable 0)
>             (VDI )
>         )
>     )
>     (device
>         (vbd
>             (protocol x86_64-abi)
>             (uuid 2b97ec8c-0cc5-7197-f510-63c272449680)
>             (bootable 0)
>             (dev hdc:disk)
>             (uname phy:/dev/9yblt1m70pdtdp/d1jilc7s7jxsaq)
>             (mode w)
>             (backend 0)
>             (bootable 0)
>             (VDI )
>         )
>     )
>     (device
>         (vbd
>             (protocol x86_64-abi)
>             (uuid 1b472270-1ef3-2f49-81f1-031cc00c0eb7)
>             (bootable 0)
>             (dev hdd:cdrom)
>             (uname file:/tools/freebsd/boot-freebsd-generic.iso)
>             (mode r)
>             (backend 0)
>             (bootable 0)
>             (VDI )
>         )
>     )
>     (device
>         (vfb
>             (vncunused 1)
>             (vnc 1)
>             (uuid b3defeea-4acc-1408-9b22-71547a64e705)
>             (location 0.0.0.0:5900)
>         )
>     )
>     (device
>         (console
>             (protocol vt100)
>             (location 4)
>             (uuid 58a089ce-a4d0-037e-23e8-9df37b2bd5da)
>         )
>     )
> )
>=20
>=20
> DomU from "inside":
> # uname -a
> FreeBSD yurak1.vm 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r+03cdadc: Wed =
May 22 17:47:40 EEST 2013     =
root@yurak1.vm:/usr/obj/data/freebsd/sys/XENHVM  amd64
>=20
>=20
> I'll also set up one (hope will have some time) under Xen 4.2.2 =
tomorrow.
> ---
> Yura
>=20
> On May 13, 2013, at 21:32 PM, Roger Pau Monn=E9 <roger.pau@citrix.com> =
wrote:
>=20
>> Hello,
>>=20
>> Recently Justin T Gibbs, Will Andrews and myself have been working on
>> improving the Xen support in FreeBSD. The main goal of this was to =
bring
>> full PVHVM support to FreeBSD, right now FreeBSD is only using PV
>> interfaces for disk and network interfaces when running as a HVM =
guest.
>> The main benefits of this changes are that Xen virtual interrupts =
(event
>> channels) are now delivered to the guest using a vector callback
>> injection, that is a per-cpu mechanism that allows each vCPU to have
>> different interrupts assigned, so for example network and disk
>> interrupts are delivered to different vCPUs in order to improve
>> performance. With this changes FreeBSD also uses PV timers when =
running
>> as an HVM guest, which should provide better time keeping and reduce =
the
>> virtualization overhead, since emulated timers are no longer used. PV
>> IPIs can also be used inside a HVM guest, but this will be =
implemented
>> later.
>>=20
>> Right now the code is in a state where it can be tested by users, so =
we
>> would like to encourage FreeBSD and Xen users to test it and provide
>> feedback.
>>=20
>> The code is available in the following git repository, under the =
branch
>> pvhvm_v5:
>>=20
>> http://xenbits.xen.org/gitweb/?p=3Dpeople/royger/freebsd.git;a=3Dsummar=
y
>>=20
>> Also, I've created a wiki page that explains how to set up a FreeBSD
>> PVHVM for testing:
>>=20
>> http://wiki.xen.org/wiki/Testing_FreeBSD_PVHVM
>> _______________________________________________
>> freebsd-xen@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-xen
>> To unsubscribe, send any mail to =
"freebsd-xen-unsubscribe@freebsd.org"
>=20




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