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id = 1196
title = "Guest could not enable pci AtomicOp requests for passthrough device"
state = "closed"
created_at = "2022-09-06T05:54:47.384Z"
closed_at = "2022-09-29T14:47:17.936Z"
labels = ["device: PCI"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1196"
host-os = "Ubuntu 22.04"
host-arch = "(x86 etc.)"
qemu-version = "(QEMU emulator version 6.2.0 (Debian 1:6.2+dfsg-2ubuntu6.4)"
guest-os = "(ubuntu-20.04.2)"
guest-arch = "(x86)"
description = """Guest could not enable pci AtomicOp requests for passthrough device.
sudo setpci -v -d *:706t 8c.b=40 // enable pci AtomicOp requests bit in the guest os.
Host could not see the bit by command "sudo lspci -vvv -s 03:00.0"."""
reproduce = """1. sudo setpci -v -d *:706t 8c.b=40 // in the guest os
2. sudo lspci -vvv -s 03:00.0 // in the host os"""
additional = """"""
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