http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=807
Summary: Error: Device 0 not connected
Product: Xen
Version: unstable
Platform: x86-64
OS/Version: Linux-2.6
Status: NEW
Severity: normal
Priority: P2
Component: Hypervisor
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: hskupin@xxxxxxxxx
I'm running Xen 3.0-unstable-1-amd64 under Debian Etch for a week now. I'm
using network routing with an own vif-bridge to get a private network. After a
couple of minutes or hours all domU cannot be reached from outside. When
running 'xm list' afterwards I get the message: "Error: Device 0 not
connected". Actually I cannot figure out how to reactivate dom0 and the network
connections to have a running system without rebooting the whole machine.
Opening the log file 'xend-debug.log' shows following entry:
Traceback (most recent call last):
File "SocketServer.py", line 463, in process_request_thread
self.finish_request(request, client_address)
File "SocketServer.py", line 254, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "SocketServer.py", line 521, in __init__
self.handle()
File "BaseHTTPServer.py", line 316, in handle
self.handle_one_request()
File "BaseHTTPServer.py", line 310, in handle_one_request
method()
File "/usr/lib/xen-3.0-unstable-1/lib/python/xen/util/xmlrpclib2.py", line
66, in do_POST
self.send_response(200)
File "BaseHTTPServer.py", line 367, in send_response
self.wfile.write("%s %d %s\r\n" %
File "socket.py", line 248, in write
self.flush()
File "socket.py", line 235, in flush
self._sock.sendall(buffer)
error: (32, 'Broken pipe')
dmesg dom0:
Bridge firewalling registered
ACPI: Power Button (FF) [PWRF]
ACPI: Power Button (CM) [PWRB]
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
device vif2.0 entered promiscuous mode
audit(1162689220.872:2): dev=vif2.0 prom=256 old_prom=0 auid=4294967295
xenintbr: port 1(vif2.0) entering learning state
eth0: no IPv6 routers present
xenintbr: no IPv6 routers present
device vif3.0 entered promiscuous mode
audit(1162689227.948:3): dev=vif3.0 prom=256 old_prom=0 auid=4294967295
xenintbr: port 2(vif3.0) entering learning state
xenintbr: topology change detected, propagating
xenintbr: port 1(vif2.0) entering forwarding state
xenintbr: topology change detected, propagating
xenintbr: port 2(vif3.0) entering forwarding state
device vif2.0 left promiscuous mode
audit(1162704280.839:4): dev=vif2.0 prom=0 old_prom=256 auid=4294967295
xenintbr: port 1(vif2.0) entering disabled state
xm dmesg:
Xen version 3.0-unstable-1 (Debian 3.0-unstable+hg11561-1) (waldi@xxxxxxxxxx)
(gcc version 4.1.2 20060901 (prerelease) (Debian 4.1.1-13)) Fri Sep 22 18:04:24
UTC 2006
Latest ChangeSet: Thu Sep 21 17:56:14 2006 +0100
(XEN) Command line: /xen-3.0-unstable-1-amd64.gz
(XEN) Physical RAM map:
(XEN) 0000000000000000 - 000000000009f000 (usable)
(XEN) 000000000009f000 - 00000000000a0000 (reserved)
(XEN) 00000000000f0000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000003fef0000 (usable)
(XEN) 000000003fef0000 - 000000003fef3000 (ACPI NVS)
(XEN) 000000003fef3000 - 000000003ff00000 (ACPI data)
(XEN) 00000000fec00000 - 0000000100000000 (reserved)
(XEN) System RAM: 1022MB (1047100kB)
(XEN) Xen heap: 14MB (14468kB)
(XEN) found SMP MP-table at 000f4f10
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 VIAK8T ) @
0x00000000000f8d70
(XEN) ACPI: RSDT (v001 VIAK8T AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x000000003fef3040
(XEN) ACPI: FADT (v001 VIAK8T AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x000000003fef30c0
(XEN) ACPI: MADT (v001 VIAK8T AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x000000003fef8000
(XEN) ACPI: DSDT (v001 VIAK8T AWRDACPI 0x00001000 MSFT 0x0100000e) @
0x0000000000000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 15:7 APIC version 16
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] disabled)
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 3, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Initializing CPU#0
(XEN) Detected 2199.826 MHz processor.
(XEN) CPU0: AMD Flush Filter disabled
(XEN) CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
(XEN) CPU: L2 Cache: 1024K (64 bytes/line)
(XEN) Intel machine check architecture supported.
(XEN) Intel machine check reporting enabled on CPU#0.
(XEN) CPU0: AMD Athlon(tm) 64 Processor 3700+ stepping 02
(XEN) Total of 1 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=0 pin2=0
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 1 CPUs
(XEN) Machine check exception polling timer started.
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Domain 0 kernel supports features = { 0000000f }.
(XEN) Domain 0 kernel requires features = { 00000000 }.
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 000000003c000000->000000003e000000 (230590 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff80200000->ffffffff80566e88
(XEN) Init. ramdisk: ffffffff80567000->ffffffff81575800
(XEN) Phys-Mach map: ffffffff81576000->ffffffff817485f0
(XEN) Start info: ffffffff81749000->ffffffff8174949c
(XEN) Page tables: ffffffff8174a000->ffffffff81759000
(XEN) Boot stack: ffffffff81759000->ffffffff8175a000
(XEN) TOTAL: ffffffff80000000->ffffffff81800000
(XEN) ENTRY ADDRESS: ffffffff80200000
(XEN) Dom0 has maximum 1 VCPUs
(XEN) Initrd len 0x100e800, start at 0xffffffff80567000
(XEN) Scrubbing Free RAM: ...........done.
(XEN) Xen trace buffers: disabled
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
Xen).
xm info:
host : hskupin.info
release : 2.6.17-2-xen-amd64
version : #1 SMP Wed Sep 13 18:35:45 CEST 2006
machine : x86_64
nr_cpus : 1
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 1
threads_per_core : 1
cpu_mhz : 2199
hw_caps :
078bfbff:e3d3fbff:00000000:00000010:00000001:00000001:00000001
total_memory : 1022
free_memory : 0
xen_major : 3
xen_minor : 0
xen_extra : -unstable-1
xen_caps : xen-3.0-x86_64
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : Thu Sep 21 17:56:14 2006 +0100
cc_compiler : gcc version 4.1.2 20060901 (prerelease) (Debian
4.1.1-13)
cc_compile_by : waldi
cc_compile_domain : debian.org
cc_compile_date : Fri Sep 22 18:04:24 UTC 2006
xend_config_format : 2
dmesg dom1:
device vif2.0 entered promiscuous mode
audit(1162689220.872:2): dev=vif2.0 prom=256 old_prom=0 auid=4294967295
xenintbr: port 1(vif2.0) entering learning state
eth0: no IPv6 routers present
xenintbr: no IPv6 routers present
device vif3.0 entered promiscuous mode
audit(1162689227.948:3): dev=vif3.0 prom=256 old_prom=0 auid=4294967295
xenintbr: port 2(vif3.0) entering learning state
xenintbr: topology change detected, propagating
xenintbr: port 1(vif2.0) entering forwarding state
xenintbr: topology change detected, propagating
xenintbr: port 2(vif3.0) entering forwarding state
device vif2.0 left promiscuous mode
audit(1162704280.839:4): dev=vif2.0 prom=0 old_prom=256 auid=4294967295
xenintbr: port 1(vif2.0) entering disabled state
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