[Bug 211062] sr-iov virtual function driver fails to attach

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211062

            Bug ID: 211062
           Summary: sr-iov virtual function driver fails to attach
           Product: Base System
           Version: 11.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Keywords: needs-patch
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: Ultima1252 at gmail.com

Currently when attempting to attach the vf driver for x540-AT[1-2] driver (ix)
the driver will fail to attach and spit out these error messages.

12.0-CURRENT FreeBSD 12.0-CURRENT #17 r302480 amd64

# pciconf -lv
ix0 at pci0:129:0:0:       class=0x020000 card=0x00001458 chip=0x15288086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Ethernet Controller 10-Gigabit X540-AT2'
    class      = network
    subclass   = ethernet
ix1 at pci0:129:0:1:       class=0x020000 card=0x00001458 chip=0x15288086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Ethernet Controller 10-Gigabit X540-AT2'
    class      = network
    subclass   = ethernet
none189 at pci0:129:0:129: class=0x020000 card=0x00001458 chip=0x15158086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'X540 Ethernet Controller Virtual Function'
    class      = network
    subclass   = ethernet
none190 at pci0:129:0:131: class=0x020000 card=0x00001458 chip=0x15158086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'X540 Ethernet Controller Virtual Function'
    class      = network
    subclass   = ethernet
ppt0 at pci0:129:0:133:    class=0x020000 card=0x00001458 chip=0x15158086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'X540 Ethernet Controller Virtual Function'
    class      = network
    subclass   = ethernet
ppt1 at pci0:129:0:135:    class=0x020000 card=0x00001458 chip=0x15158086 rev=0x01
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'X540 Ethernet Controller Virtual Function'
    class      = network
    subclass   = ethernet
...so on to ppt28

# devctl attach pci0:129:0:129
devctl: Failed to attach pci0:129:0:129: Input/output error

dmesg:
ixv0: <Intel(R) PRO/10GbE Virtual Function Network Driver, Version - 1.4.6-k>
at device 0.129 on pci9
ixv0: Using MSIX interrupts with 2 vectors
ixv0: ixgbe_reset_hw() failed with error -100
device_attach: ixv0 attach returned 5

iovctl.conf:
PF {
        device : ix1;
        num_vfs : 31;
}

DEFAULT {
        passthrough : true;
}
VF-0 {
        passthrough : false;
}
VF-1 {
        passthrough : false;
}

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