This sounds very similar to bugs we've seen with Xen version before 3.1
We believe the problem to be disk I/O related, but in our
environment, disk I/O is also network I/O, so it's hard to tell.
We believe this problem to be corrected in 3.1, but we still haven't
done enough testing to satisfy ourselves entirely on this.
See this previous thread:
http://lists.xensource.com/archives/html/xen-users/2007-03/msg00073.html
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On Jun 26, 2007, at 12:46 AM, Xin Chen wrote:
Hi All,
I am not sure about this, just wondering anyone has the similar
situation with me::
I was using scp command on a remote server, copying a 20G file
into Domain 0 server.
the speed displayed is around 8Mb/s
waiting...
waiting...
at 67%, it stopped, why? because Domain 0 reboot.....
I check the log, nothing useful. I guess it is because the network
flowing,
because the domain 0 has been running for 3 weeks until today I do
the copying.
I attached some info, please give me some advice, thanks a lot!!
xin
[root@XenServer xen]# uname -a
Linux XenServer 2.6.18-1.2798.fc6xen #1 SMP Mon Oct 16 15:11:19 EDT
2006 i686 i686 i386 GNU/Linux
[root@XenServer xen]# xm info
host : XenServer
release : 2.6.18-1.2798.fc6xen
version : #1 SMP Mon Oct 16 15:11:19 EDT 2006
machine : i686
nr_cpus : 4
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 1600
hw_caps : bfebfbff:
20100000:00000000:00000140:0004e33d:00000000:00000001
total_memory : 4094
free_memory : 0
xen_major : 3
xen_minor : 0
xen_extra : .3-rc3-1.2798.f
xen_caps : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-
x86_32p
xen_pagesize : 4096
platform_params : virt_start=0xf5800000
xen_changeset : unavailable
cc_compiler : gcc version 4.1.1 20061011 (Red Hat 4.1.1-30)
cc_compile_by : brewbuilder
cc_compile_domain : build.redhat.com
cc_compile_date : Mon Oct 16 14:34:31 EDT 2006
xend_config_format : 2
/var/log/xend.log
[2007-06-24 01:08:55 xend 3125] DEBUG (DevController:149) Waiting
for 51712.
[2007-06-24 01:08:55 xend 3125] DEBUG (DevController:472)
hotplugStatusCallback
/local/domain/0/backend/tap/6/51712/hotplug-status.
[2007-06-24 01:08:55 xend 3125] DEBUG (DevController:486)
hotplugStatusCallback
1.
[2007-06-24 01:08:55 xend 3125] DEBUG (DevController:143) Waiting
for devices vt
pm.
[2007-06-24 01:08:55 xend 3125] INFO (XendDomain:370) Domain stimpy
(6) unpaused
.
[2007-06-26 17:18:55 xend 3154] INFO (SrvDaemon:283) Xend Daemon
started -> here is the place reboot.
[2007-06-26 17:18:55 xend 3154] INFO (SrvDaemon:287) Xend
changeset: unavailable
.
[2007-06-26 17:18:55 xend.XendDomainInfo 3154] DEBUG
(XendDomainInfo:212) XendDo
mainInfo.recreate({'paused': 0, 'cpu_time': 29578464995L,
'ssidref': 0, 'handle'
: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'shutdown_reason': 0, 'dying
': 0, 'dom': 0, 'mem_kb': 4012156, 'maxmem_kb': -4, 'max_vcpu_id':
3, 'crashed':
0, 'running': 1, 'shutdown': 0, 'online_vcpus': 4, 'blocked': 0})
[2007-06-26 17:18:55 xend.XendDomainInfo 3154] INFO (XendDomainInfo:
224) Recreat
ing domain 0, UUID 00000000-0000-0000-0000-000000000000.
[2007-06-26 17:18:55 xend.XendDomainInfo 3154] WARNING
(XendDomainInfo:246) No v
m path in store for existing domain 0
[2007-06-26 17:18:55 xend.XendDomainInfo 3154] DEBUG
(XendDomainInfo:715) Storin
g VM details: {'shadow_memory': '0', 'uuid':
'00000000-0000-0000-0000-0000000000
00', 'on_reboot': 'restart', 'on_poweroff': 'destroy', 'name':
'Domain-0', 'xend
/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'memory':
'3919', 'on_cr
ash': 'restart', 'maxmem': '3919'}
[2007-06-26 17:18:56 xend.XendDomainInfo 3154] DEBUG
(XendDomainInfo:750) Storin
g domain details: {'cpu/1/availability': 'online', 'cpu/3/
availability': 'online
', 'name': 'Domain-0', 'console/limit': '1048576', 'cpu/2/
availability': 'online
', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0',
'cpu/0/availa
bility': 'online', 'memory/target': '4013056'}
[2007-06-26 17:18:56 xend 3154] DEBUG (XendDomain:153) number of
vcpus to use is
0
[2007-06-26 17:18:56 xend 3154] INFO (SrvServer:116) unix path=/var/
lib/xend/xen
d-socket
/var/log/message:
Jun 26 17:14:58 XenServer kernel: peth1: received packet with own
address as so
urce address
Jun 26 17:15:57 XenServer last message repeated 2 times
Jun 26 17:15:57 XenServer kernel: peth0: received packet with own
address as so
urce address
Jun 26 17:16:01 XenServer kernel: peth1: received packet with own
address as so
urce address
Jun 26 17:17:00 XenServer kernel: peth1: received packet with own
address as so
urce address
Jun 26 17:18:38 XenServer syslogd 1.4.1: restart. --> here is the
place reboot
Jun 26 17:18:38 XenServer kernel: klogd 1.4.1, log source = /proc/
kmsg started.
Jun 26 17:18:38 XenServer kernel: Linux version
2.6.18-1.2798.fc6xen (brewbuilde
r@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.1 20061011 (Red Hat
4.1.1-30)) #
1 SMP Mon Oct 16 15:11:19 EDT 2006
Jun 26 17:18:38 XenServer kernel: BIOS-provided physical RAM map:
Jun 26 17:18:38 XenServer kernel: Xen: 0000000000000000 -
00000000f575f000 (usa
ble)
Jun 26 17:18:38 XenServer kernel: 3199MB HIGHMEM available.
Jun 26 17:18:38 XenServer kernel: 727MB LOWMEM available.
Jun 26 17:18:38 XenServer kernel: NX (Execute Disable) protection:
active
Jun 26 17:18:38 XenServer kernel: found SMP MP-table at 000f5f20
Jun 26 17:18:38 XenServer kernel: DMI present.
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC (acpi_id[0x00]
lapic_id[0x00] enab
led)
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC (acpi_id[0x01]
lapic_id[0x01] enab
led)
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC (acpi_id[0x02]
lapic_id[0x02] enab
led)
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC (acpi_id[0x03]
lapic_id[0x03] enab
led)
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC_NMI (acpi_id[0x00]
high edge lint[
0x1])
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC_NMI (acpi_id[0x01]
high edge lint[
0x1])
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC_NMI (acpi_id[0x02]
high edge lint[
0x1])
Jun 26 17:18:38 XenServer kernel: ACPI: LAPIC_NMI (acpi_id[0x03]
high edge lint[
0x1])
Jun 26 17:18:38 XenServer kernel: ACPI: IOAPIC (id[0x04] address
[0xfec00000] gsi
_base[0])
Jun 26 17:18:38 XenServer kernel: IOAPIC[0]: apic_id 4, version 32,
address 0xfe
c00000, GSI 0-23
Jun 26 17:18:38 XenServer kernel: ACPI: IOAPIC (id[0x05] address
[0xfec80000] gsi
_base[24])
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