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Re: [Qemu-devel] error when doing passthrough of bcm netextreme II 10 G
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] error when doing passthrough of bcm netextreme II 10 G device |
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Date: |
Fri, 22 Jul 2011 12:53:04 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2011-07-21 20:19, Sinha, Ani wrote:
> Hi Folks :
>
> I am trying to assinga bcm netextreme II 10 G eth device to a guest using
> PCI passthrough in QEMU.
>
> 01:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM57711
> 10-Gigabit PCIe
> 01:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM57711
> 10-Gigabit PCIe
>
>
>
> qemu> device_add pci-assign,host=01:00.0,id=e10g
>
> The device shows up in the guest but the driver is enable to attach to it :
>
> bnx2x 0000:00:05.0: PCI INT A -> Link[LNKA] -> GSI 10 (level, high) -> IRQ
> 10
> bnx2x 0000:00:05.0: setting latency timer to 64
> bnx2x: Cannot find power management capability, aborting
> bnx2x 0000:00:05.0: PCI INT A disabled
> bnx2x: probe of 0000:00:05.0 failed with error -5
>
>
>
> As you can see, it errs with EIO (-5). Any ideas why this might be the
> case? I am using 2.6.34.6 in the host, 2.6.27.39 in the guest and qemu
> 0.12.4 :
You should retry with qemu-kvm >= 0.14.
Jan
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