[USRP-users] thunderbolt to sfp+

Ali Dormiani sdormian at eng.ucsd.edu
Fri Feb 8 13:36:23 EST 2019


Well you mentioned your set up works with the Intel chip so it cant be a
configuration issue....

My only idea is to try adding the driver name to the main config file
/etc/modules

atlantic

https://www.cyberciti.biz/faq/linux-how-to-load-a-kernel-module-automatically-at-boot-time/




On Thu, Feb 7, 2019 at 10:54 PM <Emanuel.Staudinger at dlr.de> wrote:

> Well, the newest driver is loaded. If I check with “ethtool –i
> “myInterfaceName”” I can see that the latest driver is really used (the one
> I compiled and inserted).
>
> Also, checking with ifconfig tells me that the MTU is is, e.g., 8000 or
> 9000. However, UHD only reads the 1500 size regardless of what is set.
>
> Any ideas?
>
>
>
> Cheers,
>
> Emanuel
>
>
>
> *Von:* USRP-users [mailto:usrp-users-bounces at lists.ettus.com] *Im Auftrag
> von *Ali Dormiani via USRP-users
> *Gesendet:* Thursday, February 07, 2019 6:49 PM
> *An:* usrp-users
> *Betreff:* Re: [USRP-users] thunderbolt to sfp+
>
>
>
> Maybe the old driver is getting loaded by the kernel on boot?
>
>
>
> I had problems when first using ixgbe (Intel 10 Gbe) driver because I was
> lazy about unloading the stock (outdated) driver that came with the Linux
> distro.
>
>
>
> rmmod <driver>
>
>
>
> modprobe <driver>
>
>
>
> Can't think of what the issue could be with your Sonnet Solo if the driver
> you compiled is loaded as intended.
>
>
>
> Regardless for people looking at this thread, I have not had any problems
> with Intel x520-DA2 or x550 based products. Intel is also very good at
> keeping their open source drivers up to date (cough BROADCOM cough).
>
>
>
>
>
>
>
> On Wed, Feb 6, 2019 at 11:59 PM <Emanuel.Staudinger at dlr.de> wrote:
>
> Dear Ali,
>
>
>
> I recently tried the Sonnet Solo 10G Ethernet to Thunderbolt 3 Adapter
> under Linux 18.04LTS and 18.10. This adapter has the AQC107S chip.
>
> In principle they work out of the box.
>
> You can set an MTU size larger than 1500 in Ubuntu (either via netplan or
> the old configuration).
>
> However, this MTU size is not honored in my case: UHD complains that the
> MTU size is too small. I compiled the latest AQC107 driver and applied it
> à no change in MTU. Personally I don’t know yet, where the actual problem
> lies.
>
>
>
> We had to change our setup and are now using a card with the Intel chip
> again.
>
>
>
> Best regards,
>
> Emanuel
>
>
>
>
>
> *Von:* USRP-users [mailto:usrp-users-bounces at lists.ettus.com] *Im Auftrag
> von *Ali Dormiani via USRP-users
> *Gesendet:* Wednesday, February 06, 2019 7:35 PM
> *An:* usrp-users
> *Betreff:* Re: [USRP-users] thunderbolt to sfp+
>
>
>
> It seems that Linux kernel 4.11 added support for the AQC107.
>
>
>
> https://www.phoronix.com/scan.php?page=news_item&px=Linux-4.11-Networking
>
>
>
> Ubuntu 18.04 and higher has kernel 4.15 so you should be fine.
>
>
>
> Our lab has been using this converter.
>
>
>
> https://www.sonnettech.com/product/twin10g.html
>
>
>
> Even though they don't list Linux support it works fine after I compiled
> the Intel driver manually.
>
>
>
> TLDR; It should work. Use Ubuntu 18+. If it does not work then please
> update this thread and I can maybe help troubleshoot.
>
>
>
> On Wed, Feb 6, 2019 at 10:10 AM Rob Kossler via USRP-users <
> usrp-users at lists.ettus.com> wrote:
>
> I am interested in purchasing a Thunderbolt to SFP adapter and I found
> this QNAP QNA-T310G1S <https://www.qnap.com/en-us/product/qna-tb-10gbe> available
> from B&H for $169
> <https://www.bhphotovideo.com/c/product/1452479-REG/qnap_qna_t310g1s_single_port_thunderbolt3_to.html>.
> Does anyone know if this works under Ubuntu? I found that there is a Linux
> driver available for the AQC107 part, so I think that is likely that it
> will work, but wanted to see if anyone had tried it.
>
>
>
> Rob
>
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