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| CarlFK | does anyone know what this is about? For Centos-7, you will need to run ./scripts/build-linux.sh"./scripts/build-linux.sh"require centos, | 00:04 |
|---|---|---|
| CarlFK | it is the same thing as the line above: Enter the LiteX environment and run the ./scripts/build-qemu.sh script | 00:04 |
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| CarlFK | oh no.. this looks new: | 00:11 |
| CarlFK | (LX P=arty C=or1k.linux F=linux) juser@gator:~/tv/litex-buildenv$ ./scripts/build-qemu.sh | 00:12 |
| CarlFK | litex-buildenv/third_party/qemu-litex/util/memfd.c:40:12: error: static declaration of ‘memfd_create’ follows non-static declaration | 00:12 |
| CarlFK | or maybe this is old | 00:13 |
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| CarlFK | shorne: are you around to look at qemu-system-or1k not booting linux? | 01:20 |
| CarlFK | shorne: it does boot hdm2usb | 01:20 |
| CarlFK | shorne: http://paste.ubuntu.com/p/MqSGJBN7Jx/ | 01:25 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 01:25 |
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| ewen | CarlFK: FYI (in response to earlier question), FuPy (MicroPython) won't currently build on or1k (only lm32). See https://github.com/fupy/micropython/issues/3 for more detail (and my attempt to date at https://github.com/fupy/micropython/pull/50, which doesn't work) | 01:51 |
| tpb | Title: Make FuPy MicroPython arch independent · Issue #3 · fupy/micropython · GitHub (at github.com) | 01:51 |
| ewen | CarlFK: Feel free to take a look at issues. I won't have time until (at least) next month to even get FPGA dev stuff out... | 01:52 |
| CarlFK | ewen: thanks - I'm trying to collect things that work into maybe a CI like test suite so we can see when things break sooner | 01:53 |
| ewen | (IIRC Linux is built on or1k basically because there's a Linux or1k port, but not a lm32 port; other things are most tested on lm32.) | 01:53 |
| ewen | CarlFK: CI test suite (expansion) is aogod plan | 01:54 |
| ewen | (a good) plan | 01:55 |
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| CarlFK | http://paste.ubuntu.com/p/dzfyM43TcW/ cp's xilinx Vavado from a usb disk, clones repos and gets me to an hdmi2usb prompt runinng in qemu, then compiles linux for or1k, tries to boot that in qemu, and fails | 01:56 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 01:56 |
| xobs | cr1901_modern: This is on an lm32? | 01:59 |
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| ewen | CarlFK: Looks like a good start. I think if you set CPU=lm32 and FIRMWARE=micropython you'd be able to run scripts/build-micropython.sh as well (although it'll probably need to download *another* cross compiler the first time its run) | 02:02 |
| ewen | CarlFK: I'm not aware of any attempt to get MicroPython (on lm32/or1k) running under qemu. But it might be useful to do at some point (and or1k may be easiest) | 02:02 |
| CarlFK | ewen: I don't have the time or skills right now to take that on | 02:03 |
| ewen | CarlFK: The "set environment variables and run scripts/build-micropython.sh" should in theory "just work". | 02:05 |
| ewen | CarlFK: The "MicroPython or1k build" is definitely a project for someone (else) in the future.... | 02:05 |
| xobs | cr1901_modern: I'm curious how it works. Does your platform have its own custom "common.h" that previously defined MMPTR()? | 02:08 |
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| Toba | hey | 03:06 |
| Toba | I am trying to set up litex-buildenv | 03:06 |
| Toba | based on this guide - https://github.com/timvideos/litex-buildenv/wiki/HowTo-LCA2018-FPGA-Miniconf | 03:06 |
| tpb | Title: HowTo LCA2018 FPGA Miniconf · timvideos/litex-buildenv Wiki · GitHub (at github.com) | 03:06 |
| Toba | I am using ubuntu 16.04 | 03:06 |
| Toba | https://pastebin.com/5yKencZB | 03:07 |
| tpb | Title: built gateware, no image-gateware+bios+firmware.bin - Pastebin.com (at pastebin.com) | 03:07 |
| Toba | It looked like the build succeeded, and it top.bin was written, but a different file is documented as expected | 03:07 |
| Toba | mithro / CarlFK what do? | 03:08 |
| Toba | also, see you Saturday :) | 03:08 |
| CarlFK | Toba: hold... | 03:08 |
| CarlFK | Toba: this is a cop out - bu t this scrip runs for me | 03:09 |
| CarlFK | http://paste.ubuntu.com/p/dzfyM43TcW/ | 03:09 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 03:09 |
| CarlFK | it is the commands from the HowTo | 03:09 |
| CarlFK | Toba: 16.04 should work too. unless we broke it making tings work with 18, wich is pretty likely | 03:11 |
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| CarlFK | Toba: sorry, got distracted - where you at? | 04:45 |
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| CarlFK | what? qemu-system-or1k: -M litex: unsupported machine type | 06:05 |
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| CarlFK | http://paste.ubuntu.com/p/wYzZJHTyMF/ | 06:07 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 06:07 |
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| CarlFK | good news: runing the same commands on debian gets the exact same results , including the fail | 06:52 |
| xobs | CarlFK: Just to be clear: the failure you're seeing is "unsupported machine type" and not "csr_writel(): undefined function", right? | 06:53 |
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| CarlFK | xobs: no, that seemed to fix itself ;/ | 06:54 |
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| CarlFK | http://paste.ubuntu.com/p/k2WcyQdp54/ | 06:54 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 06:54 |
| CarlFK | on qemu: litex boots, linux does not (I think that is accurate description) | 06:55 |
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| shorne | CarlFK[m]: I will be around tomorrow | 08:41 |
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| cr1901_modern | xobs: I don't know :P | 11:20 |
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| xobs | cr1901_modern: did you manage to get it working? | 12:18 |
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| cr1901_modern | xobs: No lol... I mainly wanted to know how to get the old CSR defs back | 12:22 |
| cr1901_modern | And I wanted to know why you changed them | 12:23 |
| cr1901_modern | csr_write became csr_writel, etc | 12:23 |
| cr1901_modern | xobs: It seems like that change is going to break a lot of stuff in litex-buildenv unless there's a quick solution to get the old csr_write functions back | 12:26 |
| xobs | cr1901_modern: There weren't any csr_write functions earlier, it was using the MMPTR() macro, also defined in common.h. | 12:38 |
| cr1901_modern | Hrm... | 12:39 |
| xobs | The change was made in order to make it possible to swap out functions for prototyping hardware. With the change in place, it's possible to #define CSR_ACCESSORS_DEFINED and provide your own, otherwise it will replace them with the values. | 12:41 |
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| xobs | Though, hmm... if you #define ASSEMBLER, then I could see things not working as intended. Is that happening in your code? | 12:41 |
| xobs | How can I replicate the environment you're using? | 12:43 |
| cr1901_modern | xobs: Lemme push my commits | 12:44 |
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| cr1901_modern | xobs: Okay, add my repo of litex-buildenv as a remote and fetch/checkout branch "data-crt0" | 12:46 |
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| cr1901_modern | https://github.com/cr1901/litex-buildenv | 12:46 |
| tpb | Title: GitHub - cr1901/litex-buildenv: An environment for building LiteX based FPGA designs. Makes it easy to get everything you need! (at github.com) | 12:47 |
| cr1901_modern | Then export the following vars: "PLATFORM=tinyfpga_bx.lite FIRMWARE=micropython TARGET=base CPU_VARIANT=lite", and source enter-env script | 12:47 |
| cr1901_modern | lemme know when you get that far | 12:48 |
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| xobs | Is it the data-crt0 branch? And I don't see an "enter-env" script. | 12:52 |
| cr1901_modern | yes, the data-crt0 branch | 12:52 |
| cr1901_modern | and I meant ./scripts/enter-env.sh | 12:53 |
| xobs | Oh, in scripts/. Makes sense. | 12:53 |
| * cr1901_modern doesn't know if you use litex-buildenv or not | 12:53 | |
| cr1901_modern | Next, you need to checkout micropython under third_party directory: https://github.com/cr1901/micropython/tree/litex-flash (specifically use the "litex-flash" branch) | 12:53 |
| tpb | Title: GitHub - cr1901/micropython at litex-flash (at github.com) | 12:54 |
| cr1901_modern | You may need to run ./scripts/download-env.sh and ./scripts/download-root.sh as well- it's a conda env | 12:55 |
| cr1901_modern | it won't affect your system environment- almost everything will be contained :) | 12:55 |
| xobs | I usually just use Python. Let me try to get this set up. It wants udev rules for some reason. | 12:55 |
| cr1901_modern | it's for the opsis board | 12:56 |
| cr1901_modern | You won't use them, but the build env will complain if you don't have them | 12:56 |
| xobs | Weird. It complained about a lack of a build directory, so I did "mkdir build" | 12:58 |
| cr1901_modern | prob should be included by default with a .keepme inside | 12:59 |
| xobs | I can't source scripts/enter-env.sh since it wants targets/tinyfpga_bx.lite/Makefile.mk, but targets/tinyfpga_bx.lite doesn't exist | 12:59 |
| cr1901_modern | xobs: That was my fault | 13:00 |
| cr1901_modern | "PLATFORM=tinyfpga_bx FIRMWARE=micropython TARGET=base CPU_VARIANT=lite" | 13:00 |
| cr1901_modern | try that | 13:00 |
| cr1901_modern | export PLATFORM=tinyfpga_bx | 13:00 |
| xobs | Okay, it's installing conda now | 13:01 |
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| cr1901_modern | If the phase of the moon is correct, this should go without a hitch | 13:03 |
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| xobs | I guess cython is a requirement that I need to install first. Let me install that in Ubuntu. | 13:13 |
| cr1901_modern | I don't remember needing to install that. Hrm... | 13:15 |
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| xobs | I installed cython, but the script still insists that I need to install cython in order to build mkl-random and mkl-fft | 13:17 |
| xobs | Also, it's complaining about being unable to reach https://anongit.freedesktop.org/git/xorg/app/edid-decode/ | 13:18 |
| xobs | I'm not sure what "No module named 'migen'" means, but: https://gist.github.com/xobs/5b3d166637a0b73715fa2ed40be004a6 | 13:20 |
| tpb | Title: enter-env.sh · GitHub (at gist.github.com) | 13:20 |
| cr1901_modern | cc: mithro | 13:20 |
| cr1901_modern | xobs: The complaint about edid-decode being missing is legitimate; the URL indeed actually change, but Idk why a fresh checkout doesn't pick that up | 13:21 |
| cr1901_modern | I have no idea what's wrong w/ migen. Is there any chance you could just comment the check out of the enter-env script for now? | 13:23 |
| * cr1901_modern is running out of things to pipeline/work on | 13:25 | |
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| xobs | Okay, the enter-env.sh script is broken. It works if I manually set PYTHONPATH. | 13:28 |
| xobs | Do I run make.py now? | 13:28 |
| cr1901_modern | cc: mithro | 13:28 |
| cr1901_modern | No, you need to checkout https://github.com/cr1901/micropython/tree/litex-flash | 13:28 |
| tpb | Title: GitHub - cr1901/micropython at litex-flash (at github.com) | 13:28 |
| cr1901_modern | into third_party | 13:29 |
| cr1901_modern | you need that specific branch | 13:29 |
| xobs | Okay, I've done that and added it to PYHTONPATH | 13:29 |
| cr1901_modern | now run ./scripts/build-micropython.sh | 13:30 |
| cr1901_modern | and you should get as far as I did before the build chokes | 13:30 |
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| xobs | Segfault on gcc lm32. mithro mentioned that the bug where various gccs used a deprecated syscall method was resolved, but it looks like I'm still running into that problem. | 13:33 |
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| cr1901_modern | okaaaaaaay... micropython isn't even including hw/common.h | 13:39 |
| cr1901_modern | https://github.com/fupy/micropython/blob/master/ports/fupy/hw/common.h Oh that explains it! ._. | 13:40 |
| tpb | Title: micropython/common.h at master · fupy/micropython · GitHub (at github.com) | 13:40 |
| * cr1901_modern grumbles why are we redefining headers anyway? | 13:40 | |
| xobs | Oh. They include their own hw/common.h? | 13:40 |
| cr1901_modern | It appears so | 13:40 |
| cr1901_modern | in any case, copying your version fixes it | 13:43 |
| cr1901_modern | sorry for all the overhead :( | 13:43 |
| xobs | What about removing that file altogether? | 13:43 |
| cr1901_modern | the litex hw/common.h isn't part of include path | 13:44 |
| xobs | No, I'm sorry to have caused you to waste so much time. | 13:44 |
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| xobs | Also, why was it designed that way? It seems almost like MMPTR() was designed to be swapped out, but the way it's written it's not actually possible to do so. | 13:45 |
| cr1901_modern | I appreciate that :). I'm clearly not having a good day (real life annoyances that shouldn't bother me but do), and I want to reach a good stopping point | 13:45 |
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| cr1901_modern | Prob would have to ask sb0 that. I imagine the intent of MMPTR was simply to avoid typing | 13:45 |
| xobs | The nice thing about the new system is you can do something like use litex_server and compile micropython on your local machine and transparently poke at the hardware on a real device. Or in verilator. Makes driver development much easier. | 13:47 |
| cr1901_modern | Of course now the firmware doesn't work when I program it ._. | 13:48 |
| cr1901_modern | There is _way_ too much overhead/moving dependencies working w/ litex-buildenv | 13:49 |
| cr1901_modern | what broke now? I have three separate repositories I have to bisect just to figure this out | 13:50 |
| cr1901_modern | everything was working 3 days ago | 13:50 |
| cr1901_modern | what the hell changed in THREE days that broke things so badly?! | 13:50 |
| xobs | lm32 doesn't have a debugger, does it? | 13:51 |
| cr1901_modern | Only for spartan 6 parts | 13:51 |
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| xobs | I thought it could run under qemu... | 13:52 |
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| cr1901_modern | bisecting this is gonna be _such_ an awful PITA | 13:55 |
| xobs | cr1901_modern: I installed the earlier lm32 packages from mithro (https://github.com/timvideos/litex-buildenv/wiki/Bash-On-Windows#install-litex) and got further. Now it's complaining MP_QSTR_micropython is undeclared | 13:55 |
| tpb | Title: Bash On Windows · timvideos/litex-buildenv Wiki · GitHub (at github.com) | 13:55 |
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| cr1901_modern | And now of course the reset pin is triggerring a reset _even when I tie it to ground_ | 14:00 |
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| cr1901_modern | xobs: I've never seen that error before | 14:03 |
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| cr1901_modern | and looks like the wire I was using to tie reset to gnd is faulty | 14:03 |
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| xobs | Where is MP_QSTR_micropython defined? There are lots of undefined values, including MP_QSTR_bytecode and MP_QSTR_AssertionError. I don't see them defined anywhere. | 14:04 |
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| cr1901_modern | I don't know. As much as I hate to say it, micropython "just worked" for me | 14:04 |
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| xobs | I removed build/tinyfpga_bx_base_lm32.lite and did a rebuild. It then errored out on "sys/string.h: no such file or directory". | 14:07 |
| xobs | I did a rebuild again, and now I see the CSR error you're referring to. | 14:07 |
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| cr1901_modern | must be a windoze thing | 14:07 |
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| xobs | I'd guess it's a makefile dependency issue. It looks like it's building with -j4 | 14:09 |
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| cr1901_modern | Well now I have a good and bad firmware to look at the differences. But I'll do that later. I need a break... | 14:10 |
| cr1901_modern | xobs: Thanks for your help. Any chance you can leave my directory on your disk to debug your issues later? | 14:11 |
| cr1901_modern | B/c it shouldn't be that difficult for a user to get started | 14:11 |
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| xobs | cr1901_modern: sure. The very last thing I got to was the final linking stage, where it tried to link the ".../software/micropython/" directory as an object file, and errored out with "file not recognized: Is a directory". | 14:12 |
| cr1901_modern | xobs: Yes I fixed that locally | 14:13 |
| xobs | I have lots of trouble with litex-buildenv, which is why I moved to using lxbuildenv.py | 14:13 |
| cr1901_modern | If you want to fix that yourself, look for OBJ_S line with the assignment to "" | 14:13 |
| cr1901_modern | and remove the quotes | 14:13 |
| cr1901_modern | Apparently, GNU make doesn't think "" is an empty string, which then gets processed by variable substitution later when I didn't want it to be | 14:14 |
| cr1901_modern | err, SRC_S = "" should be SRC_S = | 14:14 |
| cr1901_modern | try that | 14:14 |
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| xobs | Okay! It's synthesizing a bitstream now., | 14:16 |
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| CarlFK | mithro: do you know where your page of video dongle adapters is? | 14:51 |
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| mithro | Its pretty out of date... | 14:56 |
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| mithro | https://github.com/timvideos/HDMI2USB/wiki/Conference-Adapter-Kit | 14:58 |
| tpb | Title: Conference Adapter Kit · timvideos/HDMI2USB Wiki · GitHub (at github.com) | 14:58 |
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| CarlFK | mithro: thanks | 15:03 |
| CarlFK | shorne: qemu? and is your litex branch what I should be testing against? | 15:03 |
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| xobs | cr1901_modern: If it helps you in any way, your firmware.elf works under this version of qemu I've just managed to build. | 15:21 |
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| xobs | I did have to set JOBS=1 to compile qemu, and I have to manually run qemu with "-global litex_ssi.spiflash=m25p80" (instead of the default of m25p16), and it doesn't load the firmware by default, but I can connect to it via gdb, run "load firmware.elf", then "mon system_reset", and I get a MicroPython prompt. | 15:23 |
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| CarlFK | xobs: what qemu repo/branch? | 15:23 |
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| xobs | CarlFK: Whatever the "build-qemu.sh" script used. | 15:24 |
| xobs | Looks like https://github.com/timvideos/qemu-litex.git @ 92d6c11f7cf204054d20e13553e709296e5e8c4b (i.e. "master") | 15:25 |
| tpb | Title: GitHub - timvideos/qemu-litex (at github.com) | 15:25 |
| CarlFK | yes - you can tell the script to use another, like | 15:26 |
| CarlFK | export QEMU_REMOTE=https://github.com/stffrdhrn/qemu.git | 15:26 |
| CarlFK | export QEMU_BRANCH=litex | 15:26 |
| tpb | Title: GitHub - stffrdhrn/qemu: Official QEMU mirror. Please see http://wiki.qemu.org/Contribute/SubmitAPatch for how to submit changes to QEMU. Pull Requests are ignored. (at github.com) | 15:26 |
| CarlFK | don't ask me what happens if you set those and re-run the script. | 15:26 |
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| xobs | CarlFK: it works as-is, though. it's just picking up the wrong default SPI model, and multi-process builds break. And I'm not sure how to specify a .elf file to be loaded at the appropriate offset, but gdb can do that once the system is running. | 15:34 |
| xobs | Anyway, it should make debugging easier for cr1901_modern | 15:34 |
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| cr1901_modern | xobs: I'm just doing a diff between a known good firmware and the bad one (same size) | 15:39 |
| cr1901_modern | well whenever I'm off break anyway | 15:39 |
| cr1901_modern | objdump -d in general gives me more insight than qemu | 15:40 |
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| cr1901_modern | squeakytoy... now there's a memorable handle | 17:55 |
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| CarlFK | woot - 3 artys just arrive. | 19:25 |
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| CarlFK | Toba: Ubuntu 16.04.5 - "mostly works" | 22:25 |
| CarlFK | mithro: also, everything works the same: debian, 16.04.5 and badger | 22:35 |
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