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Re: [Qemu-devel] Windows Server 2008 R2 network freezes after some time
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] Windows Server 2008 R2 network freezes after some time |
Date: |
Mon, 16 Oct 2017 19:05:56 +0100 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
* Gediminas Jančys (address@hidden) wrote:
> Hello guys,
>
> I have a problem and desperate with it, can't find a solution for it. I got
> Windows Server 2008 R2 guest OS on CentOS Linux release 7.3.1611 (Core) with
> libvirt and CloudStack. Problem is that after some time, about 2- 3 days
> (should be based on amount of traffic) VM's network got stuck. No traffic in
> or out. After restart network works fine until gets stuck again. I'm
> current using VirtIO drivers on guest version 61.74.104.14100. Also I have
> tried to use older drivers but same situation. From host and guest logs I
> can't see any entries about drivers or something related to this problem,
> only casual stuff. Can you help me or guide to find the problems source?
> After my investigation I would say that drivers are failing at some point.
If you switch the NIC from virtio to another type (e1000 for example)
does the problem go away?
Dave
>
>
> Libvirts info:
>
> Using library: libvirt 2.0.0
>
> Using API: QEMU 2.0.0
>
> Running hypervisor: QEMU 2.6.0
>
>
>
> KVM XML:
>
> <domain type='kvm' id='206'>
>
> <name>i-25-85-VM</name>
>
> <uuid>2758a8ec-3e86-4132-9110-1051f0708367</uuid>
>
> <description>Windows PV</description>
>
> <maxMemory slots='32' unit='KiB'>197191680</maxMemory>
>
> <memory unit='KiB'>16777216</memory>
>
> <currentMemory unit='KiB'>16777216</currentMemory>
>
> <vcpu placement='auto' current='2'>40</vcpu>
>
> <cputune>
>
> <shares>146</shares>
>
> </cputune>
>
> <numatune>
>
> <memory mode='strict' placement='auto'/>
>
> </numatune>
>
> <resource>
>
> <partition>/machine</partition>
>
> </resource>
>
> <sysinfo type='smbios'>
>
> <system>
>
> <entry name='manufacturer'>Apache Software Foundation</entry>
>
> <entry name='product'>CloudStack KVM Hypervisor</entry>
>
> <entry name='uuid'>2758a8ec-3e86-4132-9110-1051f0708367</entry>
>
> </system>
>
> </sysinfo>
>
> <os>
>
> <type arch='x86_64' machine='pc-i440fx-rhel7.3.0'>hvm</type>
>
> <boot dev='cdrom'/>
>
> <boot dev='hd'/>
>
> <smbios mode='sysinfo'/>
>
> </os>
>
> <features>
>
> <acpi/>
>
> <apic/>
>
> <pae/>
>
> </features>
>
> <cpu mode='host-passthrough'>
>
> <numa>
>
> <cell id='0' cpus='0-39' memory='16777216' unit='KiB'/>
>
> </numa>
>
> </cpu>
>
> <clock offset='localtime'>
>
> <timer name='rtc' tickpolicy='catchup'/>
>
> </clock>
>
> <on_poweroff>destroy</on_poweroff>
>
> <on_reboot>restart</on_reboot>
>
> <on_crash>destroy</on_crash>
>
> <devices>
>
> <emulator>/usr/libexec/qemu-kvm</emulator>
>
> <disk type='network' device='disk'>
>
> <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
>
> <auth username='kvm'>
>
> <secret type='ceph' uuid='8321dbbc-8bab-301b-a89f-d558256ddd8b'/>
>
> </auth>
>
> <source protocol='rbd'
> name='kvm-pool/ec8e6467-7370-4cdc-bbda-01844e5f9c2c'>
>
> <host name=xxxxxx.xxxx.xx port='6789'/>
>
> </source>
>
> <backingStore/>
>
> <target dev='sda' bus='scsi'/>
>
> <serial>ec8e646773704cdcbbda</serial>
>
> <alias name='scsi0-0-0-0'/>
>
> <address type='drive' controller='0' bus='0' target='0' unit='0'/>
>
> </disk>
>
> <disk type='file' device='cdrom'>
>
> <driver name='qemu' type='raw' cache='none'/>
>
> <backingStore/>
>
> <target dev='hdc' bus='ide'/>
>
> <readonly/>
>
> <alias name='ide0-1-0'/>
>
> <address type='drive' controller='0' bus='1' target='0' unit='0'/>
>
> </disk>
>
> <controller type='scsi' index='0' model='virtio-scsi'>
>
> <driver queues='2'/>
>
> <alias name='scsi0'/>
>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
> function='0x0'/>
>
> </controller>
>
> <controller type='usb' index='0'>
>
> <alias name='usb'/>
>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x01'
> function='0x2'/>
>
> </controller>
>
> <controller type='pci' index='0' model='pci-root'>
>
> <alias name='pci.0'/>
>
> </controller>
>
> <controller type='ide' index='0'>
>
> <alias name='ide'/>
>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x01'
> function='0x1'/>
>
> </controller>
>
> <interface type='bridge'>
>
> <mac address='06:b2:ec:00:01:97'/>
>
> <source bridge='brbond0-500'/>
>
> <target dev='vnet14'/>
>
> <model type='virtio'/>
>
> <alias name='net0'/>
>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
> function='0x0'/>
>
> </interface>
>
> <serial type='pty'>
>
> <source path='/dev/pts/13'/>
>
> <target port='0'/>
>
> <alias name='serial0'/>
>
> </serial>
>
> <console type='pty' tty='/dev/pts/13'>
>
> <source path='/dev/pts/13'/>
>
> <target type='serial' port='0'/>
>
> <alias name='serial0'/>
>
> </console>
>
> <input type='tablet' bus='usb'>
>
> <alias name='input0'/>
>
> <address type='usb' bus='0' port='1'/>
>
> </input>
>
> <input type='mouse' bus='ps2'>
>
> <alias name='input1'/>
>
> </input>
>
> <input type='keyboard' bus='ps2'>
>
> <alias name='input2'/>
>
> </input>
>
> <graphics type='vnc' port='5914' autoport='yes' listen='10.24.99.29'>
>
> <listen type='address' address='10.24.99.29'/>
>
> </graphics>
>
> <video>
>
> <model type='cirrus' vram='16384' heads='1' primary='yes'/>
>
> <alias name='video0'/>
>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x02'
> function='0x0'/>
>
> </video>
>
> <memballoon model='none'/>
>
> </devices>
>
> <seclabel type='none' model='none'/>
>
> <seclabel type='dynamic' model='dac' relabel='yes'>
>
> <label>+0:+0</label>
>
> <imagelabel>+0:+0</imagelabel>
>
> </seclabel>
>
> </domain>
>
>
>
> King regards
>
> Gediminas J.
>
>
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK