sb0 changed the topic of #m-labs to: ARTIQ, Migen, MiSoC, Mixxeo & other M-Labs projects :: fka #milkymist :: Logs http://irclog.whitequark.org/m-labs
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<whitequark> sb0: did you change some gateware or something?
<whitequark> I'm trying to run my runtime and it hangs immediately after "Executing booted program."
<sb0> maybe the new csr automatic allocation in misoc?
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<whitequark> sb0: yes, that was it
<sb0> rjo, for a dual-KC705 phaser device, what link should we use? SFP? SMA cables?
<sb0> there are also 10G bidi SFPs, http://www.fs.com/products/11603.html
<rjo> sb0: yes. i think i pointed them out already a long while ago.
<rjo> i'd use sfp. why would you want to use sma?
<sb0> SMA may be more flexible regarding data rates
<sb0> what if we want to run the transceiver at e.g. 5G?
<sb0> the 10G SFPs also expect 64/66b at 10.3125Gbps
<rjo> i would bet 1:10 that a 10g sfp+ is just fine for 5g.
<sb0> no issues with RX AGC or anything like that?
<rjo> sb0: houh? they are just medium translators. they don't expect anything.
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<sb0> they expect a maximum run length
<rjo> agc is probably at < 100 hz.
<rjo> 8b10b has shorter max run lengths than 64b66b iirc, right?
<sb0> yes
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<rjo> so they should work just fine.
<rjo> a factor of two in line rate is orders of magnitude away from where agc and long runs would matter.
<rjo> but anyway, that seems to be a minor change.
<sb0> I also need a different fiber for 10G, don't I?
<sb0> I have fiber for 1310/1550nm that only says "gigabit", the 10G SFPs use 1270nm/1330nm...
<rjo> i don't think so.
<rjo> the only tricky things i could see: choosing an LR SFP+ that burns the RX on the other side and maybe the 10G SPF+ needs a bit of I2C love to do the right thing.
<rjo> and people seem to be happily using 10G SFPs with 1G rates.
<rjo> most certainly for ~10 m length the fiber won't matter at all.
<rjo> this is very much like the factor-100-progression in the copper days. we went from 10BaseT to 100 and then 1000 on (more or less) the same cables and connectors. Now we do 1G, 10G and 100G on the same fibers.
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<GitHub133> [artiq] whitequark pushed 4 new commits to master: https://git.io/vijbb
<GitHub133> artiq/master 89d4621 whitequark: Rust: fix TcpStream::read.
<GitHub133> artiq/master b813710 whitequark: Rust: fix prelude.
<GitHub133> artiq/master 9562d8d whitequark: Rust: liblwip: call tcp_recved where appropriate.
<bb-m-labs_> build #75 of artiq-board is complete: Success [build successful] Build details are at http://buildbot.m-labs.hk/builders/artiq-board/builds/75
<bb-m-labs_> build #966 of artiq is complete: Failure [failed] Build details are at http://buildbot.m-labs.hk/builders/artiq/builds/966 blamelist: whitequark <whitequark@whitequark.org>
<whitequark> hm, odd...
<cr1901_modern> rjo: Pedantic: 10BaseX was coaxial originally I believe :P
* cr1901_modern still has thinnet running around his room
<rjo> cr1901_modern: 10BaseT
<cr1901_modern> Oops... nevermind :(
<cr1901_modern> Apparently, 5GB Ethernet exists for twisted pair now
<cr1901_modern> Gb*
<rjo> like 40G and 400G
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<GitHub186> [artiq] jordens pushed 3 new commits to phaser: https://git.io/vPenZ
<GitHub186> artiq/phaser 8e71e9b Robert Jordens: ad9154: check and fix registers
<GitHub186> artiq/phaser bb4abd5 Robert Jordens: ad9154: reg WIP
<GitHub186> artiq/phaser bebb37b Robert Jordens: ad9154_reg: just generate getter/setter macros as well
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