ixv device_attach: ixv0 attach returned 5 (was sr-iov issues, reset_hw() failed with error -100)

[cramerj]

Yeah, we're running into some issues with our implementation.  I'm working on the VF driver now and hope to get some of these bugs fixed within the next couple weeks.

Thanks,
-Jeb

-----Original Message-----
From: owner-freebsd-current at freebsd.org [mailto:owner-freebsd-current at freebsd.org] On Behalf Of Ultima
Sent: Sunday, April 24, 2016 8:32 PM
Cc: freebsd-current at freebsd.org; freebsd-virtualization at freebsd.org; freebsd-hardware at freebsd.org
Subject: ixv device_attach: ixv0 attach returned 5 (was sr-iov issues, reset_hw() failed with error -100)

 The sr-iov vf driver is failing to attach.


# pciconf -lv: (filtered to only relevant output)
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
none155 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
none156 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

# 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 numa-domain 1 on pci12
ixv0: Using MSIX interrupts with 2 vectors
ixv0: ixgbe_reset_hw() failed with error -100
device_attach: ixv0 attach returned 5

# cat /etc/iovctl.conf
PF {
device : ix1;
num_vfs : 31;
}

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


Any ideas?

Ultima
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