Discussion:
[dpdk-dev] [Bug 119] I210 Gigabit is returning with -22 when vfio-pci is used for bind
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b***@dpdk.org
2018-12-05 09:03:05 UTC
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https://bugs.dpdk.org/show_bug.cgi?id=119

Bug ID: 119
Summary: I210 Gigabit is returning with -22 when vfio-pci is
used for bind
Product: DPDK
Version: 18.05
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: ***@dpdk.org
Reporter: ***@intel.com
Target Milestone: ---

Issue: using I210 and bind with vfio-pci returning 'Error: bind failed for
0000:15:00.0 - Cannot bind to driver vfio-pci'

Dmesg Log: [10527.439486] vfio-pci: probe of 0000:07:00.0 failed with error -22

Reason for Bugzilla: As per 'http://doc.dpdk.org/guides/nics/igb.html' there
are no limitation stated for I210

Other Details:
Linux: 4.12.26-yocto-standard SMP
Platform: x86_64
depends: vfio,vfio_virqfd

Query: is there issue for vfio-pci with I210?

thanks
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b***@dpdk.org
2018-12-06 16:07:31 UTC
Permalink
https://bugs.dpdk.org/show_bug.cgi?id=119

Anatoly Burakov (***@intel.com) changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|CONFIRMED |RESOLVED
Resolution|--- |INVALID

--- Comment #23 from Anatoly Burakov (***@intel.com) ---
Overhauling user guide to run as non-root would be very useful, +1. I am
starting to get questions like these more regularly, so thank you for
volunteering to work on that.

Closing this issue as invalid, most likely reason for inability to bind i210 to
VFIO is due to platform misconfiguration (disabled IOMMU in the BIOS).
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