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Re: [Qemu-devel] Commit 9e047b982452c633882b486682966c1d97097015 (piix4:
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From: |
Sander Eikelenboom |
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Subject: |
Re: [Qemu-devel] Commit 9e047b982452c633882b486682966c1d97097015 (piix4: add acpi pci hotplug support) seems to break Xen pci-passthrough |
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Date: |
Tue, 4 Feb 2014 16:07:08 +0100 |
Tuesday, February 4, 2014, 3:32:19 PM, you wrote:
> On Tue, Feb 04, 2014 at 12:46:08AM +0100, Sander Eikelenboom wrote:
>> Grmbll my fat fingers hit the send shortcut too soon by accident ..
>> let's try again ..
>>
>> Hi Michael,
>>
>> A git bisect turned out that commit 9e047b982452c633882b486682966c1d97097015
>> breaks pci-passthrough on Xen.
>>
>> commit 9e047b982452c633882b486682966c1d97097015
>> Author: Michael S. Tsirkin <address@hidden>
>> Date: Mon Oct 14 18:01:20 2013 +0300
>>
>> piix4: add acpi pci hotplug support
>>
>> Add support for acpi pci hotplug using the
>> new infrastructure.
>> PIIX4 legacy interface is maintained as is for
>> machine types 1.7 and older.
>>
>> Signed-off-by: Michael S. Tsirkin <address@hidden>
>>
>>
>> The error is not very verbose :
>>
>> libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
>> message from QMP server: Device initialization failed.
>> libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
>> message from QMP server: Device initialization failed.
>> libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
>> message from QMP server: Device initialization failed.
>> libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
>> message from QMP server: Device initialization failed.
>>
>> So it seems there is an issue with preserving the legacy interface.
> Which machine type is broken?
xenfv
> What's the command line used?
See below the output of the creation of the guest
Strange thing is:
char device redirected to /dev/pts/15 (label serial0)
vgabios-cirrus.bin: ROM id 101300b8 / PCI id 101300b8
efi-e1000.rom: ROM id 8086100e / PCI id 8086100e
VNC server running on `127.0.0.1:5900'
xen_platform: changed ro/rw state of ROM memory area. now is rw state.
[00:05.0] xen_pt_initfn: Assigning real physical device 06:01.0 to devfn 0x28
[00:05.0] xen_pt_register_regions: IO region 0 registered (size=0x00001000
base_addr=0xfe0fd000 type: 0)
[00:05.0] xen_pt_pci_intx: intx=1
[00:05.0] xen_pt_initfn: Real physical device 06:01.0 registered successfully!
[00:05.0] xen_pt_pci_intx: intx=1
[00:05.0] xen_pt_initfn: Assigning real physical device 06:01.1 to devfn 0x28
[00:05.0] xen_pt_register_regions: IO region 0 registered (size=0x00001000
base_addr=0xfe0fe000 type: 0)
[00:05.0] xen_pt_pci_intx: intx=2
[00:05.0] xen_pt_initfn: Real physical device 06:01.1 registered successfully!
[00:05.0] xen_pt_pci_intx: intx=2
[00:05.0] xen_pt_initfn: Assigning real physical device 06:01.2 to devfn 0x28
[00:05.0] xen_pt_register_regions: IO region 0 registered (size=0x00000100
base_addr=0xfe0ffc00 type: 0)
[00:05.0] xen_pt_pci_intx: intx=3
[00:05.0] xen_pt_initfn: Real physical device 06:01.2 registered successfully!
[00:05.0] xen_pt_pci_intx: intx=3
[00:05.0] xen_pt_initfn: Assigning real physical device 08:00.0 to devfn 0x28
[00:05.0] xen_pt_register_regions: IO region 0 registered (size=0x00200000
base_addr=0xfe200000 type: 0x4)
[00:05.0] xen_pt_pci_intx: intx=1
[00:05.0] xen_pt_initfn: Real physical device 08:00.0 registered successfully!
[00:05.0] xen_pt_pci_intx: intx=1
[00:05.0] xen_pt_msi_set_enable: disabling MSI.
It's does log succes for registering the pci devices .. however it returns by
qmp that the device initialization failed.
And an lspci in the guest also doesn't show the devices.
> What's the value of has_acpi_build in hw/i386/pc_piix.c?
static bool has_acpi_build = true;
> What happens if you add
> -global PIIX4_PM.acpi-pci-hotplug-with-bridge-support=off
That makes it work again ...
>> --
>> Sander
>>
Parsing config from /etc/xen/domU/production/security.cfg
libxl: debug: libxl_create.c:1348:do_domain_create: ao 0x1415900: create:
how=(nil) callback=(nil) poller=0x1415960
libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hda
spec.backend=unknown
libxl: debug: libxl_device.c:286:libxl__device_disk_set_backend: Disk vdev=hda,
using backend phy
libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hdb
spec.backend=unknown
libxl: debug: libxl_device.c:286:libxl__device_disk_set_backend: Disk vdev=hdb,
using backend phy
libxl: debug: libxl_create.c:803: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:607:libxl__ev_xswatch_deregister: watch
w=0x1415ce8: deregister unregistered
xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x9efa8
xc: detail: elf_parse_binary: memory: 0x100000 -> 0x19efa8
xc: detail: VIRTUAL MEMORY ARRANGEMENT:
Loader: 0000000000100000->000000000019efa8
Modules: 0000000000000000->0000000000000000
TOTAL: 0000000000000000->000000003f800000
ENTRY ADDRESS: 0000000000100000
xc: detail: PHYSICAL MEMORY ALLOCATION:
4KB PAGES: 0x0000000000000200
2MB PAGES: 0x00000000000001fb
1GB PAGES: 0x0000000000000000
xc: detail: elf_load_binary: phdr 0 at 0x7fdc08ee7000 -> 0x7fdc08f7ce2d
libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hda
spec.backend=phy
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x14171e8
wpath=/local/domain/0/backend/vbd/30/768/state token=3/0: register slotnum=3
libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hdb
spec.backend=phy
libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hdb
spec.backend=phy
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x1418238
wpath=/local/domain/0/backend/vbd/30/832/state token=2/1: register slotnum=2
libxl: debug: libxl_create.c:1362:do_domain_create: ao 0x1415900: inprogress:
poller=0x1415960, flags=i
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x14171e8
wpath=/local/domain/0/backend/vbd/30/768/state token=3/0: event
epath=/local/domain/0/backend/vbd/30/768/state
libxl: debug: libxl_event.c:642:devstate_watch_callback: backend
/local/domain/0/backend/vbd/30/768/state wanted state 2 ok
libxl: debug: libxl_event.c:595:libxl__ev_xswatch_deregister: watch w=0x14171e8
wpath=/local/domain/0/backend/vbd/30/768/state token=3/0: deregister slotnum=3
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x14171e8: deregister unregistered
libxl: debug: libxl_device.c:1022:device_hotplug: calling hotplug script:
/etc/xen/scripts/block add
libxl: debug: libxl_event.c:472:watchfd_callback: watch
epath=/local/domain/0/backend/vbd/30/768/state token=3/0: empty slot
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x1418238
wpath=/local/domain/0/backend/vbd/30/832/state token=2/1: event
epath=/local/domain/0/backend/vbd/30/832/state
libxl: debug: libxl_event.c:642:devstate_watch_callback: backend
/local/domain/0/backend/vbd/30/832/state wanted state 2 ok
libxl: debug: libxl_event.c:595:libxl__ev_xswatch_deregister: watch w=0x1418238
wpath=/local/domain/0/backend/vbd/30/832/state token=2/1: deregister slotnum=2
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1418238: deregister unregistered
libxl: debug: libxl_device.c:1022:device_hotplug: calling hotplug script:
/etc/xen/scripts/block add
libxl: debug: libxl_event.c:472:watchfd_callback: watch
epath=/local/domain/0/backend/vbd/30/832/state token=2/1: empty slot
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1417270: deregister unregistered
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1417270: deregister unregistered
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x14182c0: deregister unregistered
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x14182c0: deregister unregistered
libxl: debug: libxl_dm.c:1308:libxl__spawn_local_dm: Spawning device-model
/usr/local/lib/xen/bin/qemu-system-i386 with arguments:
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
/usr/local/lib/xen/bin/qemu-system-i386
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -xen-domid
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: 30
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -chardev
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-30,server,nowait
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -mon
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
chardev=libxl-cmd,mode=control
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -nodefaults
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -name
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: security
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -serial
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: pty
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -device
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: cirrus-vga
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -global
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: vga.vram_size_mb=8
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -boot
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: order=c
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -smp
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: 4,maxcpus=4
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -device
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
e1000,id=nic0,netdev=net0,mac=00:16:3e:a0:72:69
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -netdev
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
type=tap,id=net0,ifname=vif30.0-emu,script=no,downscript=no
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -machine
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: xenfv
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -m
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: 1016
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -drive
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
file=/dev/xen_vms/security,if=ide,index=0,media=disk,format=raw,cache=writeback
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm: -drive
libxl: debug: libxl_dm.c:1310:libxl__spawn_local_dm:
file=/dev/xen_vms/security_data,if=ide,index=1,media=disk,format=raw,cache=writeback
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x1415f20
wpath=/local/domain/0/device-model/30/state token=2/2: register slotnum=2
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x1415f20
wpath=/local/domain/0/device-model/30/state token=2/2: event
epath=/local/domain/0/device-model/30/state
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x1415f20
wpath=/local/domain/0/device-model/30/state token=2/2: event
epath=/local/domain/0/device-model/30/state
libxl: debug: libxl_event.c:595:libxl__ev_xswatch_deregister: watch w=0x1415f20
wpath=/local/domain/0/device-model/30/state token=2/2: deregister slotnum=2
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1415f20: deregister unregistered
libxl: debug: libxl_qmp.c:696:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-30
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "qmp_capabilities",
"id": 1
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "query-chardev",
"id": 2
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "query-vnc",
"id": 3
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x1419d68
wpath=/local/domain/0/backend/vif/30/0/state token=2/3: register slotnum=2
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x1419d68
wpath=/local/domain/0/backend/vif/30/0/state token=2/3: event
epath=/local/domain/0/backend/vif/30/0/state
libxl: debug: libxl_event.c:646:devstate_watch_callback: backend
/local/domain/0/backend/vif/30/0/state wanted state 2 still waiting state 1
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x1419d68
wpath=/local/domain/0/backend/vif/30/0/state token=2/3: event
epath=/local/domain/0/backend/vif/30/0/state
libxl: debug: libxl_event.c:642:devstate_watch_callback: backend
/local/domain/0/backend/vif/30/0/state wanted state 2 ok
libxl: debug: libxl_event.c:595:libxl__ev_xswatch_deregister: watch w=0x1419d68
wpath=/local/domain/0/backend/vif/30/0/state token=2/3: deregister slotnum=2
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1419d68: deregister unregistered
libxl: debug: libxl_device.c:1022:device_hotplug: calling hotplug script:
/etc/xen/scripts/vif-bridge online
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1419df0: deregister unregistered
libxl: debug: libxl_device.c:1022:device_hotplug: calling hotplug script:
/etc/xen/scripts/vif-bridge add
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1419df0: deregister unregistered
libxl: debug: libxl_event.c:607:libxl__ev_xswatch_deregister: watch
w=0x1419df0: deregister unregistered
libxl: debug: libxl_qmp.c:696:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-30
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "qmp_capabilities",
"id": 1
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "device_add",
"id": 2,
"arguments": {
"driver": "xen-pci-passthrough",
"id": "pci-pt-06_01.0",
"hostaddr": "0000:06:01.0"
}
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
message from QMP server: Device initialization failed.
libxl: debug: libxl_qmp.c:696:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-30
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "qmp_capabilities",
"id": 1
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "device_add",
"id": 2,
"arguments": {
"driver": "xen-pci-passthrough",
"id": "pci-pt-06_01.1",
"hostaddr": "0000:06:01.1"
}
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
message from QMP server: Device initialization failed.
libxl: debug: libxl_qmp.c:696:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-30
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "qmp_capabilities",
"id": 1
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "device_add",
"id": 2,
"arguments": {
"driver": "xen-pci-passthrough",
"id": "pci-pt-06_01.2",
"hostaddr": "0000:06:01.2"
}
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
message from QMP server: Device initialization failed.
libxl: debug: libxl_qmp.c:696:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-30
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "qmp_capabilities",
"id": 1
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:546:qmp_send_prepare: next qmp command: '{
"execute": "device_add",
"id": 2,
"arguments": {
"driver": "xen-pci-passthrough",
"id": "pci-pt-08_00.0",
"hostaddr": "0000:08:00.0"
}
}
'
libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type: error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
message from QMP server: Device initialization failed.
libxl: debug: libxl_pci.c:81:libxl__create_pci_backend: Creating pci backend
libxl: debug: libxl_event.c:1729:libxl__ao_progress_report: ao 0x1415900:
progress report: ignored
libxl: debug: libxl_event.c:1559:libxl__ao_complete: ao 0x1415900: complete,
rc=0
libxl: debug: libxl_event.c:1531:libxl__ao__destroy: ao 0x1415900: destroy
xc: debug: hypercall buffer: total allocations:530 total releases:530
xc: debug: hypercall buffer: current allocations:0 maximum allocations:2
xc: debug: hypercall buffer: cache current size:2
xc: debug: hypercall buffer: cache hits:526 misses:2 toobig:2