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[Qemu-discuss] Failed to setup INTx fd: Device or resource busy + Flags


From: Anton Blau
Subject: [Qemu-discuss] Failed to setup INTx fd: Device or resource busy + Flags mismatch irq 19
Date: Mon, 28 Aug 2017 12:56:03 +0200
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

Hello,

i try to connect two TV-Cards to my Virtual Machine (Qemu/KVM) - but if I try to start the Virtual Machine in virtualmanager I get this error message:


Fehler beim Starten der Domain: Interner Fehler: early end of file from monitor, possible problem: 2017-08-28T10:48:36.844403Z qemu-system-x86_64: -device vfio-pci,host=05:00.0,id=hostdevl,bus=pci.0,addr=0xa: vfio: Error: Failed to setup INTx fd: Device or resource busy

2017-08-28T10:48:36.844403Z qemu-system-x86_64: -device vfio-pci,host=05:00.0,id=hostdevl,bus=pci.0,addr=0xa: Device initialization failed.


If I start the KVM/QEMU-Host I get this message in dmesage


[ 2308.765256] vfio-pci 0000:04:01.0: enabling device (0000 -> 0002)
[ 2411.275030] vfio-pci 0000:05:00.0: enabling device (0400 -> 0402)
[ 2620.549470] vfio-pci 0000:05:00.0: enabling device (0400 -> 0402)
[ 2715.515601] vfio-pci 0000:04:01.0: enabling device (0000 -> 0002)
[ 5891.575270] vfio-pci 0000:04:01.0: enabling device (0000 -> 0002)
[ 5892.602021] vfio-pci 0000:05:00.0: enabling device (0400 -> 0402)
[ 5892.637272] genirq: Flags mismatch irq 19. 00000080 (vfio-intx(0000:05:00.0)) vs. 00000000 (vfio-intx(0000:04:01.0))


How can I solve this problem?


Thank you!


Tony





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