On May 2, 2012, at 6:56 AM, Vadim Rozenfeld wrote: > On Wednesday, May 02, 2012 02:33:49 AM Sean Kennedy wrote: >> I am getting crashes (BSoD) when using Virtio for the disk driver in >> Windows XP. >> >> It boots fine, it seems to run okay most of the time, but whenever the disk >> begins to get taxed, 9 times out of 10 it will start locking up then >> eventually crash with a BSoD about virtio.sys. > Hi Sean, > Can you tell me the bugcheck code and viostor version? > Thank you, > Vadim. I'm using virtio-win-0.1-22, it looks like viostor.sys is version 02/13/2012,51.63.103.2200. The BSoD is telling me 'IRQL_NOT_LESS_OR_EQUAL'. >> >> Here is the environment: >> >> VM Host is a CentOS 6 server running qemu-kvm-0.12.1.2-2.209 with Kernel >> version 2.6.32-220.13.1.el6.x86_64. It's a dual quad-core Xeon with 24 >> gigs of ram. >> >> It's connected to backend storage via 2 gigabit ethernet connections. I >> have created a raw 20gig LVM block device for this XP machine that is >> exported over iSCSI. >> >> The VM Host is running device-mapper-multipath to utilize both ethernet >> connections to the SAN. >> >> When I run a disk benchmark tool on the XP machine, the ICMP responses from >> the box start going through the roof, and even drop off. It usually >> bluescreens during the test. >> >> I have eliminated multipathd and setup the XP virt machine to just use the >> iSCSI /dev/disk/by-id/ block directly, and it still behaves this way. >> >> If I set the machine to use IDE instead of Virtio, it's certainly slower, >> but the machine never crashes and when running I/O benchmarks, pings stay >> solid as they should, this is while still using multipathd and iSCSI to >> the storage server. >> >> Have I setup virtio incorrectly? How would you go about finding the real >> issue? >> >> Here is the virt machine's XML (using IDE for disk currently): >> >> <domain type='kvm' id='12'> >> <name>Apollo</name> >> <uuid>d32041b8-853e-e679-edce-2b1f3db55e8a</uuid> >> <memory>4194304</memory> >> <currentMemory>4194304</currentMemory> >> <vcpu>2</vcpu> >> <os> >> <type arch='i686' machine='rhel5.4.0'>hvm</type> >> <boot dev='hd'/> >> </os> >> <features> >> <acpi/> >> <apic/> >> <pae/> >> </features> >> <clock offset='localtime'> >> <timer name='pit' tickpolicy='delay'/> >> </clock> >> <on_poweroff>destroy</on_poweroff> >> <on_reboot>restart</on_reboot> >> <on_crash>restart</on_crash> >> <devices> >> <emulator>/usr/libexec/qemu-kvm</emulator> >> <disk type='file' device='disk'> >> <driver name='qemu' type='raw' cache='none'/> >> <source file='/dev/mapper/vm_apollo'/> >> <target dev='vda' bus='ide'/> >> <alias name='ide0-0-0'/> >> <address type='drive' controller='0' bus='0' unit='0'/> >> </disk> >> <disk type='file' device='cdrom'> >> <driver name='qemu' type='raw'/> >> <target dev='hdc' bus='ide'/> >> <readonly/> >> <alias name='ide0-1-0'/> >> <address type='drive' controller='0' bus='1' unit='0'/> >> </disk> >> <controller type='ide' index='0'> >> <alias name='ide0'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' >> function='0x1'/> </controller> >> <interface type='bridge'> >> <mac address='52:54:00:d7:bb:08'/> >> <source bridge='br0'/> >> <target dev='vnet0'/> >> <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/1'/> >> <target port='0'/> >> <alias name='serial0'/> >> </serial> >> <console type='pty' tty='/dev/pts/1'> >> <source path='/dev/pts/1'/> >> <target type='serial' port='0'/> >> <alias name='serial0'/> >> </console> >> <input type='tablet' bus='usb'> >> <alias name='input0'/> >> </input> >> <input type='mouse' bus='ps2'/> >> <graphics type='vnc' port='5900' autoport='yes' keymap='en-us'/> >> <video> >> <model type='cirrus' vram='9216' heads='1'/> >> <alias name='video0'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' >> function='0x0'/> </video> >> <memballoon model='virtio'> >> <alias name='balloon0'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' >> function='0x0'/> </memballoon> >> </devices> >> </domain> >> >> >> Thanks, >> Sean-- >> To unsubscribe from this list: send the line "unsubscribe kvm" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
