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   February 8, 2020  
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[00:08:31] *** ]jason[ <]jason[!~jason]@107-200-17-243.lightspeed.sntcca.sbcglobal.net> has joined #smartos
[00:08:39] <]jason[> good afternoon ladies and germs
[00:09:49] <]jason[> my friends at chelsio tell me that if i want my 40g card to go faster than 3gbps i need to stick "set ddi_msix_alloc_limit=32" into /etc/system -- what is the best way to do that?
[00:10:22] <bahamat> You'll need a boot time module, just a moment, I'll get a link for you
[00:11:02] <]jason[> oh, i think i have seen that
[00:11:56] <bahamat> I think this is the one you want: https://blog.movementarian.org/2019/02/modifying-boot-files-with-smartos-under.html
[00:12:35] <Smithx10> ]jason[: i'd be interested in seeing how fast these go
[00:12:38] <]jason[> thanks
[00:13:16] <]jason[> send me an email and i will send you some test results jason at broken.net
[00:13:41] <]jason[> so far, they only go 3gbps
[00:13:46] <]jason[> okay, 3.4 on burst maybe
[00:14:23] <]jason[> which is disappointing in a 40g card
[00:16:19] <]jason[> and the old way of doing this was point grub a text file right? i remember seeing that before
[00:18:08] <bahamat> Yeah, which doesn't work if you're using loader
[00:18:18] <bahamat> But if you're still using grub, then you want to do it the old way
[00:18:37] <]jason[> no, i am on latest with these nodes
[00:20:24] <]jason[> i assume sdc-usbkey is some sdc util that isnt available on the usb images... it just mounts a partition right? no secret sauce
[00:21:49] <]jason[> none of those partitions are pcfs. i guess i better learn how loader works
[00:23:35] <]jason[> or maybe should have used c1t0d0s2 instead of c1t0d0p2
[00:23:40] <]jason[> doh. that is it
[00:23:44] <bahamat> Just mount the usb and do the echo lines to loader.conf.local, and it should work.
[00:24:42] <]jason[> very freebsd like
[00:25:05] <bahamat> the _name param is the path to the file relative to the root of the usb drive, and the _flag param is the file on the running system you want to override.
[00:26:54] <bahamat> disk slices predate both freebsd and illumos.
[00:28:20] <]jason[> i mean the loader config file is freebsd like
[00:28:41] <bahamat> Oh, that's because it is the freebsd loader.
[00:28:42] <]jason[> twins split at birth... as they say
[00:29:35] <bahamat> Loader was ported to illumos a few years ago. SmartOS switched to loader as of about April last year.
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[00:44:19] <]jason[> Loading /platform/i86pc/amd64/boot_archive.hash...
[00:44:20] <]jason[> Loading /bootfs/etc/system...
[00:44:20] <]jason[> Booting...
[00:44:20] <]jason[> --- sexy
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[00:44:48] <]jason[> bahamat - thanks... need to pick up my kid.
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[01:46:01] <]jason[> Smithx10 - that change had little impact on a back to back test of the T580 cards... It still does 5-6Gbps with iperf. Production I/Os were more restricted at 3Gbps. I guess I need to wait for another cycle as Chelsio engineering run on in the IST TZ
[01:46:35] <Smithx10> whats bottle necking it?
[01:54:59] <]jason[> anecdotally i would say that a queue is filling up because it is issue flow control pause frames
[01:55:14] <]jason[> s/issue/issuing/
[02:27:29] <Smithx10> ]jason[: What kind of throughput do those cards get on linux ? About the same?
[02:28:49] <]jason[> I dont have any linux that is not in kvm
[02:29:34] <]jason[> they have a pdf document that says 37Gbps on solaris
[02:29:39] <Smithx10> hmmm
[02:30:30] <Smithx10> I guess you'll just follow up with them?
[02:31:21] *** mixfix41_ is now known as mixfix41
[02:41:31] <]jason[> Yep.... starting week three of following up with them
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[05:18:56] <Smithx10> If anyone is running multi az in triton, I'm working on something so the client can query / create in more than 1 URL
[05:18:58] <Smithx10> https://gist.github.com/Smithx10/c36898cc635c4c9df7240e9cd4802e13
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[13:43:08] <cookie1> hi, is there a reason why "uname -a" displays i386, instead of 64 bit in GZ?
[13:43:59] <cookie1> it is a 64-bit platform
[14:38:45] <jperkin> cookie1: historical reasons
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[17:41:00] <sjorge> Historical reasons sums up a lot of oddities in illumos
[17:41:12] <sjorge> Most are good reasons (at the time) though
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[21:23:32] <papertigers> nahamu: do you still have pci passthrough setup on smartos with bhyve?
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[21:44:28] <papertigers> if so, could you boot at platform for me that has a bhyve upstream merge from feb-sept of last year. Want to make sure I didn't break stuff there
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[22:01:58] * sjorge waves to papertigers
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[22:04:40] <papertigers> sjorge: hows it going
[22:04:55] <papertigers> is the wave a sign that you are using ppt?
[22:13:59] <sjorge> papertigers just saying hi
[22:14:06] <sjorge> I never got ppt to work unfortunately
[22:14:16] <sjorge> Although I was trying to pass non function onboard nics to a VM :D
[22:18:36] <papertigers> sjorge: I should play with it at some point. I know nothing about IOMMU groups etc
[22:19:04] <sjorge> I did have Woodstock explain how the BAR stuff worked and read up on that (for GPU passthrough stuff)
[22:19:21] <sjorge> But it looks correct (at least I think) so it is probably firmware (ed2k) that is missing bits
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[22:19:38] <papertigers> sjorge: I am intersted in GPU passthrough for plex
[22:20:00] <papertigers> but I want to do it on AMD eventually and that's not wired up at all iirc
[22:20:04] <sjorge> I kind of want to see if I can run a my HTPC virtual
[22:20:23] <sjorge> papertigers wait... it isn't for AMD? I thought it was fine?
[22:20:49] <papertigers> hmm I though pmooney told me it wasn't awhile back, but I could be entirely wrong
[22:22:59] <sjorge> Ah maybe just for us
[22:23:04] <sjorge> Pretty sure upstream it was working
[22:23:38] <pmooney> yeah, but the ppt stuff had to be customized pretty heavily for the port
[22:23:41] <papertigers> sjorge: yeah could be, and in the resync I currently ignored all the ppt changes after talking to Woodstock
[22:23:49] <pmooney> so no, ppt on AMD isn't there for illumos bhyve
[22:23:52] <pmooney> at all
[22:24:24] <sjorge> pmooney ah that sucks :p
[22:24:42] <pmooney> it is what it is
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[23:18:10] <sjorge> On the subject of passthrough, how can I find the entries needed for ppt_matches (and ppt_aliases)
[23:18:19] <sjorge> I thought via prtconf but I' not seeing it
[23:24:50] <papertigers> pptadm list -a
[23:25:36] <papertigers> but also prtconf -dD
[23:25:46] <papertigers> https://www.cyber-tec.org/2019/05/29/using-bhyve-pci-passthrough-on-omnios/
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[23:26:13] <papertigers> sjorge: ^
[23:26:18] <sjorge> Ah -dD
[23:26:21] <sjorge> That was what I was missing
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   February 8, 2020  
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