Re: Xen 4.3 PCI passthrough possible bug

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Fri, Feb 07, 2014 at 03:45:19PM -0500, Mike Neiderhauser wrote:
> Ok. I started ran the initscripts and now xl works.
> 
> However, I still see the same behavior as before:
> 

Did you use the patch that was mentioned in the URL?

> root@fiat:~# xl create /etc/xen/ubuntu-hvm-0.cfg
> Parsing config from /etc/xen/ubuntu-hvm-0.cfg
> libxl: error: libxl_qmp.c:448:qmp_next: Socket read error: Connection reset
> by peer
> libxl: error: libxl_qmp.c:691:libxl__qmp_initialize: Connection error:
> Connection refused
> libxl: error: libxl_qmp.c:691:libxl__qmp_initialize: Connection error:
> Connection refused
> libxl: error: libxl_qmp.c:691:libxl__qmp_initialize: Connection error:
> Connection refused
> root@fiat:~# xl list
> Name                                        ID   Mem VCPUs State Time(s)
> Domain-0                                     0  1024     1     r-----
>  15.2
> ubuntu-hvm-0                                 1  1025     1     ------
> 0.0
> 
> (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x23f3000
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN)  Dom0 alloc.:   0000000134000000->0000000138000000 (233690 pages to
> be allocated)
> (XEN)  Init. ramdisk: 000000013d0da000->000000013ffffe00
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN)  Loaded kernel: ffffffff81000000->ffffffff823f3000
> (XEN)  Init. ramdisk: ffffffff823f3000->ffffffff85318e00
> (XEN)  Phys-Mach map: ffffffff85319000->ffffffff85519000
> (XEN)  Start info:    ffffffff85519000->ffffffff855194b4
> (XEN)  Page tables:   ffffffff8551a000->ffffffff85549000
> (XEN)  Boot stack:    ffffffff85549000->ffffffff8554a000
> (XEN)  TOTAL:         ffffffff80000000->ffffffff85800000
> (XEN)  ENTRY ADDRESS: ffffffff81d261e0
> (XEN) Dom0 has maximum 1 VCPUs
> (XEN) elf_load_binary: phdr 0 at 0xffffffff81000000 -> 0xffffffff81b2f000
> (XEN) elf_load_binary: phdr 1 at 0xffffffff81c00000 -> 0xffffffff81d0f0f0
> (XEN) elf_load_binary: phdr 2 at 0xffffffff81d10000 -> 0xffffffff81d252c0
> (XEN) elf_load_binary: phdr 3 at 0xffffffff81d26000 -> 0xffffffff81e6d000
> (XEN) Scrubbing Free RAM: .............................done.
> (XEN) Initial low memory virq threshold set at 0x4000 pages.
> (XEN) Std. Loglevel: All
> (XEN) Guest Loglevel: All
> (XEN) Xen is relinquishing VGA console.
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input
> to Xen)
> (XEN) Freed 260kB init memory.
> (XEN) PCI add device 0000:00:00.0
> (XEN) PCI add device 0000:00:01.0
> (XEN) PCI add device 0000:00:1a.0
> (XEN) PCI add device 0000:00:1c.0
> (XEN) PCI add device 0000:00:1d.0
> (XEN) PCI add device 0000:00:1e.0
> (XEN) PCI add device 0000:00:1f.0
> (XEN) PCI add device 0000:00:1f.2
> (XEN) PCI add device 0000:00:1f.3
> (XEN) PCI add device 0000:01:00.0
> (XEN) PCI add device 0000:02:02.0
> (XEN) PCI add device 0000:02:04.0
> (XEN) PCI add device 0000:03:00.0
> (XEN) PCI add device 0000:03:00.1
> (XEN) PCI add device 0000:04:00.0
> (XEN) PCI add device 0000:04:00.1
> (XEN) PCI add device 0000:05:00.0
> (XEN) PCI add device 0000:05:00.1
> (XEN) PCI add device 0000:06:03.0
> (XEN) page_alloc.c:1460:d0 Over-allocation for domain 1: 262401 > 262400
> (XEN) memory.c:158:d0 Could not allocate order=0 extent: id=1 memflags=0
> (200 of 1024)
> (d1) HVM Loader
> (d1) Detected Xen v4.4-rc2
> (d1) Xenbus rings @0xfeffc000, event channel 4
> (d1) System requested SeaBIOS
> (d1) CPU speed is 3093 MHz
> (d1) Relocating guest memory for lowmem MMIO space disabled
> 
> 
> Excerpt from /var/log/xen/*
> qemu: hardware error: xen: failed to populate ram at 40050000
> 
> 
> On Fri, Feb 7, 2014 at 3:39 PM, Konrad Rzeszutek Wilk <
> konrad.wilk@oracle.com> wrote:
> 
> > On Fri, Feb 07, 2014 at 03:36:49PM -0500, Mike Neiderhauser wrote:
> > > I was able to compile and install xen4.4 RC3 on my host, however I am
> > > getting the error:
> > >
> > > root@fiat:~/git/xen# xl list
> > > xc: error: Could not obtain handle on privileged command interface (2 =
> > No
> > > such file or directory): Internal error
> > > libxl: error: libxl.c:92:libxl_ctx_alloc: cannot open libxc handle: No
> > such
> > > file or directory
> > > cannot init xl context
> > >
> > > I've google searched for this and an article appears, but is not the same
> > > (as far as I can tell).  Running any xl command generates a similar
> > error.
> > >
> > > What can I do to fix this?
> >
> >
> > You need to run the initscripts for Xen. I don't know what your distro is,
> > but
> > they are usually put in /etc/init.d/rc.d/xen*
> >
> >
> > >
> > > Regards
> > >
> > >
> > > On Fri, Feb 7, 2014 at 1:40 PM, Mike Neiderhauser <
> > > mikeneiderhauser@gmail.com> wrote:
> > >
> > > > Much. Do I need to install from src or is there a package I can
> > install.
> > > >
> > > > Regards
> > > >
> > > >
> > > > On Fri, Feb 7, 2014 at 1:30 PM, Konrad Rzeszutek Wilk <
> > > > konrad.wilk@oracle.com> wrote:
> > > >
> > > >> On Fri, Feb 07, 2014 at 10:53:22AM -0500, Mike Neiderhauser wrote:
> > > >> > I did not.  I do not have the toolchain installed.  I may have time
> > > >> later
> > > >> > today to try the patch.  Are there any specific instructions on how
> > to
> > > >> > patch the src, compile and install?
> > > >>
> > > >> There actually should be a new version of Xen 4.4-rcX which will have
> > the
> > > >> fix. That might be easier for you?
> > > >> >
> > > >> > Regards
> > > >> >
> > > >> >
> > > >> > On Fri, Feb 7, 2014 at 10:25 AM, Konrad Rzeszutek Wilk <
> > > >> > konrad.wilk@oracle.com> wrote:
> > > >> >
> > > >> > > On Thu, Feb 06, 2014 at 09:39:37AM -0500, Mike Neiderhauser wrote:
> > > >> > > > Hi all,
> > > >> > > >
> > > >> > > > I am attempting to do a pci passthrough of an Intel ET card
> > (4x1G
> > > >> NIC)
> > > >> > > to a
> > > >> > > > HVM.  I have been attempting to resolve this issue on the
> > xen-users
> > > >> list,
> > > >> > > > but it was advised to post this issue to this list. (Initial
> > > >> Message -
> > > >> > > >
> > > >> > >
> > > >>
> > http://lists.xenproject.org/archives/html/xen-users/2014-02/msg00036.html
> > > >> )
> > > >> > > >
> > > >> > > > The machine I am using as host is a Dell Poweredge server with a
> > > >> Xeon
> > > >> > > > E31220 with 4GB of ram.
> > > >> > > >
> > > >> > > > The possible bug is the following:
> > > >> > > > root@fiat:/var/log/xen# cat qemu-dm-ubuntu-hvm-0.log
> > > >> > > > char device redirected to /dev/pts/5 (label serial0)
> > > >> > > > qemu: hardware error: xen: failed to populate ram at 40030000
> > > >> > > > ....
> > > >> > > >
> > > >> > > > I believe it may be similar to this thread
> > > >> > > >
> > > >> > >
> > > >>
> > http://markmail.org/message/3zuiojywempoorxj#query:+page:1+mid:gul34vbe4uyog2d4+state:results
> > > >> > > >
> > > >> > > >
> > > >> > > > Additional info that may be helpful is below.
> > > >> > >
> > > >> > > Did you try the patch?
> > > >> > > >
> > > >> > > > Please let me know if you need any additional information.
> > > >> > > >
> > > >> > > > Thanks in advance for any help provided!
> > > >> > > > Regards
> > > >> > > >
> > > >> > > > ###########################################################
> > > >> > > > root@fiat:~# cat /etc/xen/ubuntu-hvm-0.cfg
> > > >> > > > ###########################################################
> > > >> > > > # Configuration file for Xen HVM
> > > >> > > >
> > > >> > > > # HVM Name (as appears in 'xl list')
> > > >> > > > name="ubuntu-hvm-0"
> > > >> > > > # HVM Build settings (+ hardware)
> > > >> > > > #kernel = "/usr/lib/xen-4.3/boot/hvmloader"
> > > >> > > > builder='hvm'
> > > >> > > > device_model='qemu-dm'
> > > >> > > > memory=1024
> > > >> > > > vcpus=2
> > > >> > > >
> > > >> > > > # Virtual Interface
> > > >> > > > # Network bridge to USB NIC
> > > >> > > > vif=['bridge=xenbr0']
> > > >> > > >
> > > >> > > > ################### PCI PASSTHROUGH ###################
> > > >> > > > # PCI Permissive mode toggle
> > > >> > > > #pci_permissive=1
> > > >> > > >
> > > >> > > > # All PCI Devices
> > > >> > > > #pci=['03:00.0', '03:00.1', '04:00.0', '04:00.1', '05:00.0',
> > > >> '05:00.1']
> > > >> > > >
> > > >> > > > # First two ports on Intel 4x1G NIC
> > > >> > > > #pci=['03:00.0','03:00.1']
> > > >> > > >
> > > >> > > > # Last two ports on Intel 4x1G NIC
> > > >> > > > #pci=['04:00.0', '04:00.1']
> > > >> > > >
> > > >> > > > # All ports on Intel 4x1G NIC
> > > >> > > > pci=['03:00.0', '03:00.1', '04:00.0', '04:00.1']
> > > >> > > >
> > > >> > > > # Brodcom 2x1G NIC
> > > >> > > > #pci=['05:00.0', '05:00.1']
> > > >> > > > ################### PCI PASSTHROUGH ###################
> > > >> > > >
> > > >> > > > # HVM Disks
> > > >> > > > # Hard disk only
> > > >> > > > # Boot from HDD first ('c')
> > > >> > > > boot="c"
> > > >> > > > disk=['phy:/dev/ubuntu-vg/ubuntu-hvm-0,hda,w']
> > > >> > > >
> > > >> > > > # Hard disk with ISO
> > > >> > > > # Boot from ISO first ('d')
> > > >> > > > #boot="d"
> > > >> > > > #disk=['phy:/dev/ubuntu-vg/ubuntu-hvm-0,hda,w',
> > > >> > > > 'file:/root/ubuntu-12.04.3-server-amd64.iso,hdc:cdrom,r']
> > > >> > > >
> > > >> > > > # ACPI Enable
> > > >> > > > acpi=1
> > > >> > > > # HVM Event Modes
> > > >> > > > on_poweroff='destroy'
> > > >> > > > on_reboot='restart'
> > > >> > > > on_crash='restart'
> > > >> > > >
> > > >> > > > # Serial Console Configuration (Xen Console)
> > > >> > > > sdl=0
> > > >> > > > serial='pty'
> > > >> > > >
> > > >> > > > # VNC Configuration
> > > >> > > > # Only reacable from localhost
> > > >> > > > vnc=1
> > > >> > > > vnclisten="0.0.0.0"
> > > >> > > > vncpasswd=""
> > > >> > > >
> > > >> > > > ###########################################################
> > > >> > > > Copied for xen-users list
> > > >> > > > ###########################################################
> > > >> > > >
> > > >> > > > It appears that it cannot obtain the RAM mapping for this PCI
> > > >> device.
> > > >> > > >
> > > >> > > >
> > > >> > > > I rebooted the Host.  I ran assigned pci devices to pciback. The
> > > >> output
> > > >> > > > looks like:
> > > >> > > > root@fiat:~# ./dev_mgmt.sh
> > > >> > > > Loading Kernel Module 'xen-pciback'
> > > >> > > > Calling function pciback_dev for:
> > > >> > > > PCI DEVICE 0000:03:00.0
> > > >> > > > Unbinding 0000:03:00.0 from igb
> > > >> > > > Binding 0000:03:00.0 to pciback
> > > >> > > >
> > > >> > > > PCI DEVICE 0000:03:00.1
> > > >> > > > Unbinding 0000:03:00.1 from igb
> > > >> > > > Binding 0000:03:00.1 to pciback
> > > >> > > >
> > > >> > > > PCI DEVICE 0000:04:00.0
> > > >> > > > Unbinding 0000:04:00.0 from igb
> > > >> > > > Binding 0000:04:00.0 to pciback
> > > >> > > >
> > > >> > > > PCI DEVICE 0000:04:00.1
> > > >> > > > Unbinding 0000:04:00.1 from igb
> > > >> > > > Binding 0000:04:00.1 to pciback
> > > >> > > >
> > > >> > > > PCI DEVICE 0000:05:00.0
> > > >> > > > Unbinding 0000:05:00.0 from bnx2
> > > >> > > > Binding 0000:05:00.0 to pciback
> > > >> > > >
> > > >> > > > PCI DEVICE 0000:05:00.1
> > > >> > > > Unbinding 0000:05:00.1 from bnx2
> > > >> > > > Binding 0000:05:00.1 to pciback
> > > >> > > >
> > > >> > > > Listing PCI Devices Available to Xen
> > > >> > > > 0000:03:00.0
> > > >> > > > 0000:03:00.1
> > > >> > > > 0000:04:00.0
> > > >> > > > 0000:04:00.1
> > > >> > > > 0000:05:00.0
> > > >> > > > 0000:05:00.1
> > > >> > > >
> > > >> > > > ###########################################################
> > > >> > > > root@fiat:~# xl -vvv create /etc/xen/ubuntu-hvm-0.cfg
> > > >> > > > Parsing config from /etc/xen/ubuntu-hvm-0.cfg
> > > >> > > > WARNING: ignoring device_model directive.
> > > >> > > > WARNING: Use "device_model_override" instead if you really want
> > a
> > > >> > > > non-default device_model
> > > >> > > > libxl: debug: libxl_create.c:1230:do_domain_create: ao
> > 0x210c360:
> > > >> create:
> > > >> > > > how=(nil) callback=(nil) poller=0x210c3c0
> > > >> > > > libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend:
> > > >> Disk
> > > >> > > > vdev=hda spec.backend=unknown
> > > >> > > > libxl: debug: libxl_device.c:296:libxl__device_disk_set_backend:
> > > >> Disk
> > > >> > > > vdev=hda, using backend phy
> > > >> > > > libxl: debug: libxl_create.c:675:initiate_domain_create: running
> > > >> > > bootloader
> > > >> > > > libxl: debug: libxl_bootloader.c:321:libxl__bootloader_run: not
> > a PV
> > > >> > > > domain, skipping bootloader
> > > >> > > > libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x210c728: deregister unregistered
> > > >> > > > libxl: debug: libxl_numa.c:475:libxl__get_numa_candidate: New
> > best
> > > >> NUMA
> > > >> > > > placement candidate found: nr_nodes=1, nr_cpus=4, nr_vcpus=3,
> > > >> > > > free_memkb=2980
> > > >> > > > libxl: detail: libxl_dom.c:195:numa_place_domain: NUMA placement
> > > >> > > candidate
> > > >> > > > with 1 nodes, 4 cpus and 2980 KB free selected
> > > >> > > > xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0xa69a4
> > > >> > > > xc: detail: elf_parse_binary: memory: 0x100000 -> 0x1a69a4
> > > >> > > > xc: info: VIRTUAL MEMORY ARRANGEMENT:
> > > >> > > >   Loader:        0000000000100000->00000000001a69a4
> > > >> > > >   Modules:       0000000000000000->0000000000000000
> > > >> > > >   TOTAL:         0000000000000000->000000003f800000
> > > >> > > >   ENTRY ADDRESS: 0000000000100608
> > > >> > > > xc: info: PHYSICAL MEMORY ALLOCATION:
> > > >> > > >   4KB PAGES: 0x0000000000000200
> > > >> > > >   2MB PAGES: 0x00000000000001fb
> > > >> > > >   1GB PAGES: 0x0000000000000000
> > > >> > > > xc: detail: elf_load_binary: phdr 0 at 0x7f022c779000 ->
> > > >> 0x7f022c81682d
> > > >> > > > libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend:
> > > >> Disk
> > > >> > > > vdev=hda spec.backend=phy
> > > >> > > > libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register:
> > watch
> > > >> > > > w=0x2112f48 wpath=/local/domain/0/backend/vbd/2/768/state
> > token=3/0:
> > > >> > > > register slotnum=3
> > > >> > > > libxl: debug: libxl_create.c:1243:do_domain_create: ao
> > 0x210c360:
> > > >> > > > inprogress: poller=0x210c3c0, flags=i
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x2112f48
> > > >> > > > wpath=/local/domain/0/backend/vbd/2/768/state token=3/0: event
> > > >> > > > epath=/local/domain/0/backend/vbd/2/768/state
> > > >> > > > libxl: debug: libxl_event.c:647:devstate_watch_callback: backend
> > > >> > > > /local/domain/0/backend/vbd/2/768/state wanted state 2 still
> > waiting
> > > >> > > state 1
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x2112f48
> > > >> > > > wpath=/local/domain/0/backend/vbd/2/768/state token=3/0: event
> > > >> > > > epath=/local/domain/0/backend/vbd/2/768/state
> > > >> > > > libxl: debug: libxl_event.c:643:devstate_watch_callback: backend
> > > >> > > > /local/domain/0/backend/vbd/2/768/state wanted state 2 ok
> > > >> > > > libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x2112f48 wpath=/local/domain/0/backend/vbd/2/768/state
> > token=3/0:
> > > >> > > > deregister slotnum=3
> > > >> > > > libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x2112f48: deregister unregistered
> > > >> > > > libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
> > > >> script:
> > > >> > > > /etc/xen/scripts/block add
> > > >> > > > libxl: debug: libxl_dm.c:1206:libxl__spawn_local_dm: Spawning
> > > >> > > device-model
> > > >> > > > /usr/bin/qemu-system-i386 with arguments:
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > > /usr/bin/qemu-system-i386
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > -xen-domid
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   2
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -chardev
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > > socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-2,server,nowait
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -mon
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > > chardev=libxl-cmd,mode=control
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -name
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > ubuntu-hvm-0
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -vnc
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > 0.0.0.0:0
> > > >> ,to=99
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -global
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> isa-fdc.driveA=
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -serial
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   pty
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -vga
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   cirrus
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -global
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> vga.vram_size_mb=8
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -boot
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   order=c
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -smp
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > 2,maxcpus=2
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -device
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > > rtl8139,id=nic0,netdev=net0,mac=00:16:3e:23:44:2c
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -netdev
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > > type=tap,id=net0,ifname=vif2.0-emu,script=no,downscript=no
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -M
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   xenfv
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -m
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   1016
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:   -drive
> > > >> > > > libxl: debug: libxl_dm.c:1208:libxl__spawn_local_dm:
> > > >> > > >
> > > >> > >
> > > >>
> > file=/dev/ubuntu-vg/ubuntu-hvm-0,if=ide,index=0,media=disk,format=raw,cache=writeback
> > > >> > > > libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register:
> > watch
> > > >> > > > w=0x210c960 wpath=/local/domain/0/device-model/2/state
> > token=3/1:
> > > >> > > register
> > > >> > > > slotnum=3
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x210c960
> > > >> > > > wpath=/local/domain/0/device-model/2/state token=3/1: event
> > > >> > > > epath=/local/domain/0/device-model/2/state
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x210c960
> > > >> > > > wpath=/local/domain/0/device-model/2/state token=3/1: event
> > > >> > > > epath=/local/domain/0/device-model/2/state
> > > >> > > > libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x210c960 wpath=/local/domain/0/device-model/2/state
> > token=3/1:
> > > >> > > > deregister slotnum=3
> > > >> > > > libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x210c960: deregister unregistered
> > > >> > > > libxl: debug: libxl_qmp.c:707:libxl__qmp_initialize: connected
> > to
> > > >> > > > /var/run/xen/qmp-libxl-2
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message
> > type: qmp
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "qmp_capabilities",
> > > >> > > >     "id": 1
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type:
> > > >> return
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "query-chardev",
> > > >> > > >     "id": 2
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type:
> > > >> return
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "change",
> > > >> > > >     "id": 3,
> > > >> > > >     "arguments": {
> > > >> > > >         "device": "vnc",
> > > >> > > >         "target": "password",
> > > >> > > >         "arg": ""
> > > >> > > >     }
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type:
> > > >> return
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "query-vnc",
> > > >> > > >     "id": 4
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type:
> > > >> return
> > > >> > > > libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register:
> > watch
> > > >> > > > w=0x210e8a8 wpath=/local/domain/0/backend/vif/2/0/state
> > token=3/2:
> > > >> > > register
> > > >> > > > slotnum=3
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x210e8a8
> > > >> > > > wpath=/local/domain/0/backend/vif/2/0/state token=3/2: event
> > > >> > > > epath=/local/domain/0/backend/vif/2/0/state
> > > >> > > > libxl: debug: libxl_event.c:647:devstate_watch_callback: backend
> > > >> > > > /local/domain/0/backend/vif/2/0/state wanted state 2 still
> > waiting
> > > >> state
> > > >> > > 1
> > > >> > > > libxl: debug: libxl_event.c:503:watchfd_callback: watch
> > w=0x210e8a8
> > > >> > > > wpath=/local/domain/0/backend/vif/2/0/state token=3/2: event
> > > >> > > > epath=/local/domain/0/backend/vif/2/0/state
> > > >> > > > libxl: debug: libxl_event.c:643:devstate_watch_callback: backend
> > > >> > > > /local/domain/0/backend/vif/2/0/state wanted state 2 ok
> > > >> > > > libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x210e8a8 wpath=/local/domain/0/backend/vif/2/0/state
> > token=3/2:
> > > >> > > > deregister slotnum=3
> > > >> > > > libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister:
> > watch
> > > >> > > > w=0x210e8a8: deregister unregistered
> > > >> > > > libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
> > > >> script:
> > > >> > > > /etc/xen/scripts/vif-bridge online
> > > >> > > > libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
> > > >> script:
> > > >> > > > /etc/xen/scripts/vif-bridge add
> > > >> > > > libxl: debug: libxl_qmp.c:707:libxl__qmp_initialize: connected
> > to
> > > >> > > > /var/run/xen/qmp-libxl-2
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message
> > type: qmp
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "qmp_capabilities",
> > > >> > > >     "id": 1
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type:
> > > >> return
> > > >> > > > libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp
> > command: '{
> > > >> > > >     "execute": "device_add",
> > > >> > > >     "id": 2,
> > > >> > > >     "arguments": {
> > > >> > > >         "driver": "xen-pci-passthrough",
> > > >> > > >         "id": "pci-pt-03_00.0",
> > > >> > > >         "hostaddr": "0000:03:00.0"
> > > >> > > >     }
> > > >> > > > }
> > > >> > > > '
> > > >> > > > libxl: error: libxl_qmp.c:454:qmp_next: Socket read error:
> > > >> Connection
> > > >> > > reset
> > > >> > > > by peer
> > > >> > > > libxl: error: libxl_qmp.c:702:libxl__qmp_initialize: Connection
> > > >> error:
> > > >> > > > Connection refused
> > > >> > > > libxl: error: libxl_qmp.c:702:libxl__qmp_initialize: Connection
> > > >> error:
> > > >> > > > Connection refused
> > > >> > > > libxl: error: libxl_qmp.c:702:libxl__qmp_initialize: Connection
> > > >> error:
> > > >> > > > Connection refused
> > > >> > > > libxl: debug: libxl_pci.c:81:libxl__create_pci_backend:
> > Creating pci
> > > >> > > backend
> > > >> > > > libxl: debug: libxl_event.c:1737:libxl__ao_progress_report: ao
> > > >> 0x210c360:
> > > >> > > > progress report: ignored
> > > >> > > > libxl: debug: libxl_event.c:1569:libxl__ao_complete: ao
> > 0x210c360:
> > > >> > > > complete, rc=0
> > > >> > > > libxl: debug: libxl_event.c:1541:libxl__ao__destroy: ao
> > 0x210c360:
> > > >> > > destroy
> > > >> > > > Daemon running with PID 3214
> > > >> > > > xc: debug: hypercall buffer: total allocations:793 total
> > > >> releases:793
> > > >> > > > xc: debug: hypercall buffer: current allocations:0 maximum
> > > >> allocations:4
> > > >> > > > xc: debug: hypercall buffer: cache current size:4
> > > >> > > > xc: debug: hypercall buffer: cache hits:785 misses:4 toobig:4
> > > >> > > >
> > > >> > > > ###########################################################
> > > >> > > > root@fiat:/var/log/xen# cat qemu-dm-ubuntu-hvm-0.log
> > > >> > > > char device redirected to /dev/pts/5 (label serial0)
> > > >> > > > qemu: hardware error: xen: failed to populate ram at 40030000
> > > >> > > > CPU #0:
> > > >> > > > EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000633
> > > >> > > > ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
> > > >> > > > EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
> > > >> > > > ES =0000 00000000 0000ffff 00009300
> > > >> > > > CS =f000 ffff0000 0000ffff 00009b00
> > > >> > > > SS =0000 00000000 0000ffff 00009300
> > > >> > > > DS =0000 00000000 0000ffff 00009300
> > > >> > > > FS =0000 00000000 0000ffff 00009300
> > > >> > > > GS =0000 00000000 0000ffff 00009300
> > > >> > > > LDT=0000 00000000 0000ffff 00008200
> > > >> > > > TR =0000 00000000 0000ffff 00008b00
> > > >> > > > GDT=     00000000 0000ffff
> > > >> > > > IDT=     00000000 0000ffff
> > > >> > > > CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
> > > >> > > > DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000
> > > >> > > > DR6=ffff0ff0 DR7=00000400
> > > >> > > > EFER=0000000000000000
> > > >> > > > FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
> > > >> > > > FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
> > > >> > > > FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
> > > >> > > > FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
> > > >> > > > FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
> > > >> > > > XMM00=00000000000000000000000000000000
> > > >> > > > XMM01=00000000000000000000000000000000
> > > >> > > > XMM02=00000000000000000000000000000000
> > > >> > > > XMM03=00000000000000000000000000000000
> > > >> > > > XMM04=00000000000000000000000000000000
> > > >> > > > XMM05=00000000000000000000000000000000
> > > >> > > > XMM06=00000000000000000000000000000000
> > > >> > > > XMM07=00000000000000000000000000000000
> > > >> > > > CPU #1:
> > > >> > > > EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000633
> > > >> > > > ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
> > > >> > > > EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
> > > >> > > > ES =0000 00000000 0000ffff 00009300
> > > >> > > > CS =f000 ffff0000 0000ffff 00009b00
> > > >> > > > SS =0000 00000000 0000ffff 00009300
> > > >> > > > DS =0000 00000000 0000ffff 00009300
> > > >> > > > FS =0000 00000000 0000ffff 00009300
> > > >> > > > GS =0000 00000000 0000ffff 00009300
> > > >> > > > LDT=0000 00000000 0000ffff 00008200
> > > >> > > > TR =0000 00000000 0000ffff 00008b00
> > > >> > > > GDT=     00000000 0000ffff
> > > >> > > > IDT=     00000000 0000ffff
> > > >> > > > CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
> > > >> > > > DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000
> > > >> > > > DR6=ffff0ff0 DR7=00000400
> > > >> > > > EFER=0000000000000000
> > > >> > > > FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
> > > >> > > > FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
> > > >> > > > FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
> > > >> > > > FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
> > > >> > > > FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
> > > >> > > > XMM00=00000000000000000000000000000000
> > > >> > > > XMM01=00000000000000000000000000000000
> > > >> > > > XMM02=00000000000000000000000000000000
> > > >> > > > XMM03=00000000000000000000000000000000
> > > >> > > > XMM04=00000000000000000000000000000000
> > > >> > > > XMM05=00000000000000000000000000000000
> > > >> > > > XMM06=00000000000000000000000000000000
> > > >> > > > XMM07=00000000000000000000000000000000
> > > >> > > >
> > > >> > > > ###########################################################
> > > >> > > > /etc/default/grub
> > > >> > > > GRUB_DEFAULT="Xen 4.3-amd64"
> > > >> > > > GRUB_HIDDEN_TIMEOUT=0
> > > >> > > > GRUB_HIDDEN_TIMEOUT_QUIET=true
> > > >> > > > GRUB_TIMEOUT=10
> > > >> > > > GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
> > > >> > > > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
> > > >> > > > GRUB_CMDLINE_LINUX=""
> > > >> > > > # biosdevname=0
> > > >> > > > GRUB_CMDLINE_XEN="dom0_mem=1024M dom0_max_vcpus=1"
> > > >> > >
> > > >> > > > _______________________________________________
> > > >> > > > Xen-devel mailing list
> > > >> > > > Xen-devel@lists.xen.org
> > > >> > > > http://lists.xen.org/xen-devel
> > > >> > >
> > > >> > >
> > > >>
> > > >
> > > >
> >