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Created attachment 1645543 [details] error info Description of problem: 174 virtio rng ,serial,input driver can not be installed successfully on Win7. Version-Release number of selected component (if applicable): kernel-4.18.0-147.0.3.el8_1.x86_64 qemu-kvm-4.1.0-19.module+el8.1.1+5172+e3ff58a1.x86_64 virtio-win-prewhql-174 How reproducible: 100% Steps to Reproduce: 1.Boot up win7 guest with rng,serial and input device -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,id=rng1,rng=rng0,bus=pci.4,addr=0x0 \ -device virtio-serial-pci,id=virtio-serial1,max_ports=31,bus=pci.5 \ -chardev socket,id=channel2,path=/tmp/helloworld2,server,nowait -device virtserialport,bus=virtio-serial1.0,chardev=channel2,name=org.qemu.guest_agent.0,id=port2 \ -device virtio-keyboard-pci,id=kbd0,serial=virtio-keyboard,bus=pci.6 -device virtio-mouse-pci,id=mouse0,serial=virtio-mouse -device virtio-tablet-pci,id=tablet0,serial=virtio-tablet 2.Install rng,serial and input driver with 174 version Actual results: Driver can not be installed successfully. Expected results: driver works well Additional info: 1. Not hit this issue with 173 version 2. Error info is in attachment
Created attachment 1645739 [details] setupapi.dev.log uploaded setupapi.dev.log in attachment.
Posted fix https://github.com/virtio-win/kvm-guest-drivers-windows/pull/423
Fixed in virtio-win-prewhql-0.1-175
Verify this bug with virtio-win-prewhql-0.1-175. rng,input and serial drivers work.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2020:1757
In my opinion, no special documentation required as the build with the bug was never released. The problem exists only in intermediate build