Date: Thu, 21 Nov 2019 19:10:40 +0100 From: =?utf-8?Q?Michal_Van=C4=8Do?= <michal@microwave.sk> To: Richard Gallamore <ultima@freebsd.org> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: device_attach: ixv0 attach returned 5 Message-ID: <01EC7302-24A6-4441-85A2-4D24C97696ED@microwave.sk> In-Reply-To: <CANJ8om4DdeUFWi86YT5LqRuXYD%2BL8X_0t-uDsp%2B_TB6=NFD0qQ@mail.gmail.com> References: <2D60E558-2F48-40EA-BF0D-C350BD005215@microwave.sk> <CANJ8om4DdeUFWi86YT5LqRuXYD%2BL8X_0t-uDsp%2B_TB6=NFD0qQ@mail.gmail.com>
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Well then this is really annoying. I can image few other applications besides
virtualization. Jails using vnet bound to VF instead of epair being one of
examples. Any hope that someone will port the SR-IOV from Intel’s code into
the base driver on foreseeable future?
regards
Michal
> On 21 Nov 2019, at 18:52, Richard Gallamore <ultima@freebsd.org> wrote:
>
> Hello Michal,
>
>> I’m running 12-STABLE. Is this a hardware related or possibly a driver
> bug?
> This is probably a driver / module bug.
>
> [1] is a bug on this issue, that I opened some years ago. The last time
> I tested the sr-iov functionality it was working if you compile the intel
> module with sr-iov support enabled but not with the base module. This
> was probably a couple years ago though and on 12-CURRENT before
> 12 was released.
>
> Personally I suggest you just avoid sr-iov though and use bridges. sr-iov
> was
> a cool idea but it just failed to get an attraction. Probably several
> reasons
> for this, based on my experience I would say the primary reason is because
> its designed use case is for virtualization, and if you do use this for
> virtualization, you trade the ability to do live migrations due to using
> physical hardware.
>
> Hope this helps,
> Richard Gallamore
>
> On Thu, Nov 21, 2019 at 3:53 AM Michal Vančo via freebsd-stable <
> freebsd-stable@freebsd.org> wrote:
>
>> Hi,
>>
>> I’m trying to get SR-IOV working with my two port Intel 10G NIC:
>>
>> ix0@pci0:3:0:0: class=0x020000 card=0x15ad15d9 chip=0x15ad8086 rev=0x00
>> hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552/X557-AT 10GBASE-T'
>> class = network
>> subclass = ethernet
>> ix1@pci0:3:0:1: class=0x020000 card=0x15ad15d9 chip=0x15ad8086 rev=0x00
>> hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552/X557-AT 10GBASE-T'
>> class = network
>> subclass = ethernet
>>
>> with this iovctl config:
>>
>> # cat /etc/iovctl_ix1.conf
>> PF {
>> device: "ix1";
>> num_vfs: 4;
>> }
>>
>> I get 4 PCI devices created:
>>
>> none57@pci0:3:0:129: class=0x020000 card=0x15ad15d9 chip=0x15a88086
>> rev=0x00 hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552 Virtual Function'
>> class = network
>> subclass = ethernet
>> none58@pci0:3:0:131: class=0x020000 card=0x15ad15d9 chip=0x15a88086
>> rev=0x00 hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552 Virtual Function'
>> class = network
>> subclass = ethernet
>> none59@pci0:3:0:133: class=0x020000 card=0x15ad15d9 chip=0x15a88086
>> rev=0x00 hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552 Virtual Function'
>> class = network
>> subclass = ethernet
>> none60@pci0:3:0:135: class=0x020000 card=0x15ad15d9 chip=0x15a88086
>> rev=0x00 hdr=0x00
>> vendor = 'Intel Corporation'
>> device = 'Ethernet Connection X552 Virtual Function'
>> class = network
>> subclass = ethernet
>>
>> But the driver fails to attach with following errors:
>>
>> ixv0: <Intel(R) PRO/10GbE Virtual Function Network Driver> at device 0.129
>> on pci4
>> ixv0: ...reset_hw() failure: Reset Failed!
>> ixv0: IFDI_ATTACH_PRE failed 5
>> device_attach: ixv0 attach returned 5
>> ixv0: <Intel(R) PRO/10GbE Virtual Function Network Driver> at device 0.131
>> on pci4
>> ixv0: ...reset_hw() failure: Reset Failed!
>> ixv0: IFDI_ATTACH_PRE failed 5
>> device_attach: ixv0 attach returned 5
>> ixv0: <Intel(R) PRO/10GbE Virtual Function Network Driver> at device 0.133
>> on pci4
>> ixv0: ...reset_hw() failure: Reset Failed!
>> ixv0: IFDI_ATTACH_PRE failed 5
>> device_attach: ixv0 attach returned 5
>> ixv0: <Intel(R) PRO/10GbE Virtual Function Network Driver> at device 0.135
>> on pci4
>> ixv0: ...reset_hw() failure: Reset Failed!
>> ixv0: IFDI_ATTACH_PRE failed 5
>> device_attach: ixv0 attach returned 5
>>
>> I’m running 12-STABLE. Is this a hardware related or possibly a driver bug?
>>
>> regards
>> Michal
>>
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