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Description of problem: Version-Release number of selected component (if applicable): # uname -r 2.6.32-252.el6.x86_64 [root@amd-2376-32-1 ~]# rpm -q qemu-kvm qemu-kvm-0.12.1.2-2.248.el6rhev.x86_64 virtio-win-prewhql-24 guests How reproducible: 100% Steps to Reproduce: 1.start guest with virtio-serial-pci CLI:/usr/libexec/qemu-kvm -M rhel6.3.0 -enable-kvm -m 8192 -smp 4,sockets=4,cores=1,threads=1 -name win2k8-R2 -uuid e2eaca3e-e764-f57b-22f0-74f4ab8c4965 -monitor stdio -rtc base=localtime,driftfix=slew -drive file=/test/win2k8r2,if=none,id=drive-ide0-0-0,format=raw,cache=none -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive file=/root/en_windows_server_2008_r2_standard_enterprise_datacenter_and_web_with_sp1_x64_dvd_617601.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,script=/etc/qemu-ifup,downscript=no,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:15:af:6a,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -spice port=5910,disable-ticketing -vga qxl -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -bios /bios-tttt.bin -device virtio-serial-pci,id=virtio-serial0,max_ports=16,bus=pci.0,addr=0x5 -chardev socket,id=charchannel0,path=/tmp/channel0,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,name=com.redhat.rhevm.vdsm -device virtio-serial-pci,id=virtio-serial1,max_ports=16 -chardev spicevmc,id=charchannel1,name=vdagent -device virtserialport,bus=virtio-serial1.0,nr=1,chardev=charchannel1,id=channel1,name=com.redhat.spice.0 2.in the guest disable VirtIO Serial Driver in device manager 3.in the guest #vioser-test.exe 4.press `r` in order to receive data in a loop 5.Try to click sth in the guest via mouse Actual results: after step4 every time press 'r' guest will receive a strange symbols amd sometimes the apps hang after "r" , After step 5 ,mouse is can not be used in the guest Expected results: every time press 'r' ,the app will show No whenever the mouse should work in the guest Additional info: 1.(qemu)info mice * Mouse #0: QEMU PS/2 Mouse 2. after close the vioserial-test apps ,the mouse could use again.
Hi Mike, vioser-test is a simple, probably even too simple application for a very brief vioserial device driver testing. It was not designed to work simultaneously with other vioserial connected applications. It doesn't have any serious error handling and error recovery mechanism inside. I'm going to remove this application from virtio-win build and create a new, more serious test application sometime in the future. BTW, vioser-test gets strange symbols because at that moment qemu still has some unread data. Closing this bug, because I'm not going to fix it. Best regards, Vadim.