| Saturday, February 6th, 2016, 00:00 UTC | ||
| [00:00:43] | knightr: | dekarl, that lock was not necessary, he would not have posted back and only wanted to provide valuable input... |
| [00:01:15] | knightr: | I have dealt with Antonio for quite a while now so I know this was definitely overkill for him... |
| [00:04:56] | dekarl: | knightr: I did not mean harm. Or anything personal. (In fact I did not realize its one of our contributors) Its just that I get really confused when tickets are brought back from the dead. (Its been closed for three years) |
| [00:05:07] | dekarl: | I'd prefer an auto-lock after being closed 6 months actually |
| [00:25:13] | MythBuild: | build #37 of master-ubuntu-lts-armhf is complete: Failure [4failed compile core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . hf/builds/37 blamelist: Karl Dietz <dekarl@mythtv.org > |
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| [00:56:24] | gregbert: | that doesnt look good |
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| [03:18:44] | gary_buhrmaster: | dekarl: Re Qt5 patches. Well, as you probably noticed, that whole series was "near and dear" to my heart (or at least keyboard). I was actually embarrassed to find the danielk had done some of the same work |
| [03:19:02] | gary_buhrmaster: | dekarl: (and I completely missed it and duplicated some of it). My bad. |
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| [04:13:22] | dekarl: | gary_buhrmaster: we need to get faster with patches... having them sit on trac for years stinks |
| [04:14:10] | dekarl: | and by stinks i mean "adds to technical debt in an uncontrolled chaotic way" |
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| [04:26:27] | gary_buhrmaster: | Patches should likely not languish. Either accept, request revision (or a test case), or reject quickly. But, of course, that means someone has to do that work too. There is no free lunch here. |
| [04:26:50] | dekarl: | gregbert: no worries, we run the raspberry pi builders with 2 or 3 parallel compilers. sometimes that is just to much for the little memory they have |
| [04:29:12] | dekarl: | gary_buhrmaster: better tooling may help, but not do all work :/ (e.g. running patches against the buildbots, allowing some kind of code review and test) |
| [04:29:17] | clever: | dekarl: ive been playing with qemu-user lately, when combined with binfmt_misc, it allows you to run arm binaries on an x86 machine |
| [04:29:36] | clever: | so you can just grab an entire arm root fs, chroot into it, and run the native arm compiler |
| [04:29:52] | clever: | it will have full use of all of the x86 cores and ram, but will be a bit slower due to the emulation |
| [04:30:34] | clever: | 8 cores at 4ghz can still beat 4 1ghz cores though, even with that handicap |
| [04:30:42] | dekarl: | clever, I like the idea, but I'm playing with the idea of unit tests that run GPU code (and had the Pi collecting dust) |
| [04:31:01] | clever: | yeah, the gpu stuff cant be emulated |
| [04:31:11] | clever: | but if you can split the job up, compile on x86, scp over, then unit test |
| [04:31:39] | dekarl: | As long as the build job runs mostly <1h thats not worth it for me :) |
| [04:31:54] | gary_buhrmaster: | re: test patches. gerrit (which is likely a bigger project than you want) would run patches against the buildbots, but the issue is the time to review whether they make sense, not the building (at least I think that is true). |
| [04:31:55] | clever: | in my case, i have to wait 2 days 5 hours for qt4 to build |
| [04:32:00] | clever: | and another 2 days for llvm |
| [04:32:27] | dekarl: | well, if one jobs runs a week, then it'd be worth it, for me too :D |
| [04:32:31] | clever: | qt4 is at 1d 22h, so there is another ~7 hours left on it |
| [04:32:56] | gary_buhrmaster: | Re: qemu arm. It depends on your targets and hosts, but I have found that emulating arm takes about as long as running on "bare metal". |
| [04:33:12] | clever: | gary_buhrmaster: the key factor is qemu USER arm |
| [04:33:17] | clever: | it doesnt emulate the kernel |
| [04:33:35] | clever: | its more like wine, it sits between the arm binary and the x86 kernel, and translates the syscalls over |
| [04:33:46] | clever: | so you can use all the cores (normal qemu arm is single core) |
| [04:34:08] | clever: | the extra cores lets you beat the handicap caused by emulation |
| [04:35:51] | clever: | https://wiki.debian.org/QemuUserEmulation |
| [04:37:19] | clever: | ive only run into 2 blocking issues with qemu-user-arm, lld only works if you use a static qemu, and xargs fails with large command lines |
| [04:37:39] | clever: | and if your using a chroot, it has to be static, or its dyn libs must exist within the chroot |
| [04:40:38] | ** clever heads off to bed ** | |
| [04:40:52] | dekarl: | sounds like a job for solaris zones or freebsd jails combined with foreign (e.g. fedora linux) userland |
| [04:41:09] | dekarl: | no idea what its called in linux land |
| [04:48:23] | gary_buhrmaster: | I wonder if the eventual release of the HuskeyBoard will obsolete many of the current challenges. |
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| [05:03:45] | dekarl: | something like the big sister of DragonBoard 410c? |
| [05:04:26] | dekarl: | haha "it is not going to initially be $200. But it won't be $1000 either." |
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| [05:15:59] | gary_buhrmaster: | The target was supposed to be $200–400, but AFAIK actual pricing has not been announced (just ranges being suggested). |
| [05:16:20] | gary_buhrmaster: | And while $400 is not pocket change (at least to me), I can see it possibly being made available as builders for some projects. |
| [05:38:41] | dekarl: | I wonder if there'll be an introductery 50% offer on that (and in EUR) uedata.amazon.com//dp/B01600X7IU |
| [05:44:24] | dekarl: | lets see if it comes with the 16GiB recommended minimum or 1Gib mandatory minimum memory (or a SO-DIMM socket) |
| [06:01:25] | tgm4883: | Thoughts on https://code.mythtv.org/trac/ticket/12634 |
| [06:01:36] | tgm4883: | need to know if we need to add this downstream before the 18t |
| [06:01:40] | tgm4883: | 18th* |
| [06:15:08] | dekarl: | jya ^- thats the ffmpeg backports to fixes/0.27 to make it build with the upcoming Ubuntu LTS release |
| [06:44:42] | jya: | dekarl: what ffmpeg backport? |
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| [08:30:51] | dekarl: | jya, Ubuntu packagers noticed that they need three commits from ffmpeg, that we have in master, to compile fixes/0.27 on the upcoming release. #12634 I thought it makes sense to pass it by you, as you've been taking care of ffmpeg lately. |
| [08:30:51] | ** MythLogBot http://code.mythtv.org/trac/ticket/12634 ** | |
| [08:32:01] | jya: | I see.. So we're not doing 0.28 for 16.04 anymore? |
| [08:32:08] | jya: | I think we should now |
| [08:32:43] | dekarl: | but now that I looked at them again, they are not in ffmpeg/libav yet and partly untested... |
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| [08:33:12] | dekarl: | but they are in the ffmpeg ubuntu packages |
| [08:35:49] | jya: | I compiled on 15.10; works fine |
| [08:36:09] | jya: | They will likely be back ported to the various branches. |
| [08:36:28] | jya: | Ffmpeg dev told me they were going to release 2.9 in time for 16.04 |
| [08:36:52] | jya: | After that they will more on YYYYMMDD versioning. |
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| [10:39:49] | dekarl: | still some stuff to go through https://code.mythtv.org/trac/query?status=!cl . . . port+-+Crash <- 11 crash reports... I get a 12th while trying to reproduce one ;) |
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| [12:41:13] | markspieth: | clever: gary_buhrmaster: Ive done a qemu user build env for arm on x86 before. I replaced make and other tools with x86 versions, gcc/g++ as cross compilers x86 host/arm target. Build env then works as fast as normal as they are all host/x86 targets whilst unit tests run as arm |
| [12:42:02] | markspieth: | the qemu user shim looks at the elf target and executes the emu target as required. |
| [12:42:36] | markspieth: | this was all inside the arm chroot. |
| [12:46:08] | dekarl: | !seen MythBuild |
| [12:46:08] | MythLogBot: | MythBuild was last seen 5 hours 56 minutes 37 seconds ago |
| [12:46:19] | dekarl: | stuarta -^ fyi |
| [13:50:39] | clever: | markspieth: i have thought of that, but thats more work to mix arches in the same root |
| [13:50:57] | clever: | and my current OS is heavily against mixing stuff like that |
| [13:56:33] | clever: | it hashes all of the build inputs, and enforces them being the same arch and the latest version |
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| [18:55:19] | totesmuhgoats: | hi guys |
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| [21:21:24] | dekarl: | knightr: this string is missing newlines or spaces between the text snippets. https://github.com/MythTV/mythtv/blob/master/ . . . ngs.cpp#L115 |
| [21:23:26] | dekarl: | That would make a nice check for cppcheck / clang / some-tool. I'm not sure how to correctly fix it (I never saw that screen, its in DVB-S setup) and if its a bit late in this cycle for the fix. |
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