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| szlin | #startmeeting | 09:00 |
|---|---|---|
| szlin | #roll call | 09:00 |
| szlin | please say hi if you're here | 09:00 |
| patersonc | hi | 09:00 |
| szlin | ._./ hi | 09:00 |
| bwh | hi | 09:00 |
| fujita[m] | hi | 09:00 |
| iwamatsu | hi | 09:00 |
| szlin | #topic kernel maintenance updates | 09:00 |
| szlin | There is a permission broken issue when using docker with overlayfs, I will send the below patch to stable-4.4 | 09:01 |
| szlin | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=38b78a5 | 09:01 |
| szlin | Ben announced Linux kernel CVE tracker | 09:01 |
| szlin | https://lists.cip-project.org/pipermail/cip-dev/2018-December/001721.html | 09:01 |
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| szlin | bwh: do you have any updates? | 09:01 |
| bwh | No I don't | 09:02 |
| szlin | iwamatsu: do you have any updates? | 09:02 |
| bwh | Oh, except that I got some security fixes into 4.4.168 | 09:02 |
| iwamatsu | szlin: I released 4.4.y kernel. | 09:03 |
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| szlin | bwh: IIRC, Greg accepted it. | 09:03 |
| szlin | iwamatsu: do you have any comments with this release? | 09:04 |
| iwamatsu | szlin: No, I dont have. | 09:04 |
| iwamatsu | for 4.4.168? | 09:05 |
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| szlin | iwamatsu: yes | 09:05 |
| iwamatsu | I do not check that version yet. Therefore I have no comment. | 09:06 |
| szlin | iwamatsu: I am curious that do we need linux-4.19.y-cip-rebase branch? | 09:06 |
| szlin | https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git/ | 09:06 |
| iwamatsu | ok, I will push after this meeting. | 09:06 |
| szlin | iwamatsu: thanks. | 09:06 |
| szlin | any other points? | 09:06 |
| szlin | wagi: are you around? | 09:07 |
| szlin | 3 | 09:08 |
| szlin | 2 | 09:08 |
| szlin | 1 | 09:08 |
| szlin | #topic kernel testing | 09:08 |
| patersonc | Healthchecks continue: https://lava.ciplatform.org/scheduler/reports | 09:08 |
| patersonc | We haven't moved the lab to it's new home yet. It'll probably have to wait until Jan now. I'll keep the ML informed | 09:09 |
| patersonc | Not much else from my side, sorry. | 09:09 |
| sangorrin | TODO: I have to setup my lab as well (too busy) | 09:09 |
| szlin | patersonc: thank you! | 09:09 |
| patersonc | sangorrin: Always :) | 09:09 |
| szlin | TODO: we are hiring for kernel testing | 09:10 |
| szlin | we = my company | 09:10 |
| szlin | any other points? | 09:11 |
| szlin | 3 | 09:11 |
| szlin | 2 | 09:11 |
| szlin | 1 | 09:11 |
| szlin | #topic CIP Core | 09:11 |
| sangorrin | I fixed some problems with the SDK, it should be working now. | 09:12 |
| sangorrin | TODO: create report from the survey | 09:12 |
| sangorrin | TODO: create tiny profile list of packages | 09:13 |
| sangorrin | sorry, nothing else | 09:13 |
| szlin | sangorrin: thanks for the updates. | 09:14 |
| szlin | any other points? | 09:14 |
| szlin | 3 | 09:14 |
| szlin | 2 | 09:14 |
| szlin | 1 | 09:14 |
| szlin | #topic Software update | 09:14 |
| sangorrin | I am designing the architecture, but recently this was released | 09:15 |
| sangorrin | https://os.mbed.com/docs/linux-os/v0.5/welcome/index.html | 09:15 |
| sangorrin | I want to investigate mbed Linux OS architecture well, maybe we can join efforts there | 09:15 |
| sangorrin | I find it interesting that they use runC for running applications in isolation | 09:16 |
| sangorrin | and I also like the fact that you can discover and manage the devices.. | 09:16 |
| sangorrin | nothing else from my side | 09:17 |
| sangorrin | TODO: create report from survey | 09:17 |
| sangorrin | TODO: create architecture draft | 09:17 |
| szlin | sangorrin: mbed is designed for Arm devices, but I assumed the mechanism should be fine with x86 | 09:18 |
| sangorrin | yes, I suppose it is not dependent on the architecture | 09:19 |
| szlin | sangorrin: thanks. | 09:19 |
| szlin | any other points? | 09:19 |
| szlin | 3 | 09:19 |
| szlin | 2 | 09:19 |
| szlin | 1 | 09:19 |
| szlin | #topic AOB | 09:19 |
| szlin | any other business? | 09:19 |
| szlin | 3 | 09:20 |
| szlin | 2 | 09:20 |
| szlin | 1 | 09:20 |
| szlin | #endmeeting | 09:21 |
| szlin | thank you all | 09:21 |
| bwh | thanks szlin | 09:21 |
| patersonc | Thanks szlin | 09:21 |
| sangorrin | thank you szlin | 09:21 |
| patersonc | I won't be around next week - Christmas hols in UK | 09:21 |
| iwamatsu | thanks szlin | 09:21 |
| patersonc | See you all in the new year! | 09:21 |
| szlin | patersonc: as I mentioned, we're hiring...so our steps for creating lab in our company is slow now. | 09:22 |
| patersonc | szlin: Okay. Let me know if you need any help when you do get around to it. | 09:22 |
| szlin | patersonc: thank you! | 09:22 |
| iwamatsu | patersonc: I created a draft for announcement on the new kernel release. | 09:23 |
| szlin | patersonc: we don't have Christmas hols here, I envy you :D | 09:23 |
| patersonc | iwamatsu: Great. I forgot about that! Thanks you. | 09:24 |
| patersonc | szlin: You have a big new year though right? | 09:24 |
| iwamatsu | Would you please review if I send it to you? | 09:24 |
| patersonc | iwamatsu: Sure! Thank you | 09:24 |
| patersonc | Please CC Katayama-san as well | 09:25 |
| iwamatsu | patersonc: OK, I will send | 09:25 |
| iwamatsu | and thank you. | 09:25 |
| szlin | iwamatsu: how about sending to mailing list for discussion? | 09:25 |
| patersonc | I was going to suggest that as a next step :) | 09:26 |
| szlin | patersonc: do you mean Chinese new year? | 09:26 |
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| szlin | patersonc: Fair enough | 09:26 |
| iwamatsu | First of all, I have patersonc review it easily. I will post it to ML after that. Is this OK? | 09:28 |
| szlin | iwamatsu: Fair enough, thanks. | 09:29 |
| iwamatsu | OK | 09:30 |
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| wagi | szlin: somewhat. also in the conf call :( | 09:41 |
| wagi | s/the/a/ | 09:41 |
| wagi | szlin: I discussed the plans with Jan K. about -rt for 4.19-cip. I'll start working on this, so that we will have a -rt version for the upcoming 4.19-cip kernel soonnish | 09:42 |
| szlin | wagi: you got me | 09:43 |
| wagi | :D | 09:43 |
| szlin | wagi: that's the question I want to ask :D | 09:43 |
| wagi | I somehow expected it. I don't expect a real problem but let's see | 09:43 |
| wagi | 4.19-rt is still in the stabiization phase | 09:44 |
| wagi | so there might be some shake outs | 09:44 |
| wagi | but this is some which can be address upstream directly | 09:44 |
| wagi | s/some/something/ | 09:44 |
| szlin | wagi: thanks, do you have release schedule? | 09:45 |
| wagi | (English is hard, especially after the x-mas party) | 09:45 |
| patersonc | Still easier than German ;) | 09:45 |
| wagi | szlin: I start working tomorrow and I expect to have something beginning of January | 09:45 |
| wagi | patersonc: bah :) | 09:46 |
| szlin | wagi: awesome! | 09:46 |
| wagi | It is mostly testing and make sure I dind't screw up the merging of the -rt patches | 09:48 |
| wagi | btw, I started to setup also my local lava instance | 09:48 |
| wagi | and I got access to patersonc setup, so I can make use of a bunch of test boards | 09:49 |
| wagi | I plan to work on some test cases too, so that we can integrage them into lava tests | 09:50 |
| wagi | That should make poeple happy, I supoose | 09:51 |
| wagi | The Linutronix test farm is working again: https://ci-rt.linutronix.de/RT-Test/kbuild.jsp?id=161 | 09:52 |
| wagi | I worked with Linutronix's engineers together to get back to working | 09:53 |
| szlin | wagi: do you plan to add some test tools/ cases for -rt? | 09:53 |
| wagi | btw, the link is for the 4.4-rt not cip | 09:53 |
| wagi | szlin: my main goal is to get a baseline of reasonable testing expressed in scripts | 09:54 |
| wagi | currently many tests are done by hand or encoded into some shell scripts which are living one many github accounts | 09:55 |
| wagi | My pplan is to consilidate the tests and have them in lava and get them used by other -rtmaintainers | 09:56 |
| wagi | I've already done a similiar thing with the scripting around maintaining a release | 09:56 |
| wagi | We have now a python script for maintaining -rt releases (supports also cip-rt) | 09:57 |
| wagi | which is used by all -rt maintaienrs | 09:57 |
| wagi | https://github.com/igaw/stable-rt-tools | 09:57 |
| wagi | meanwhile I also working on a reimplemtation of cyclictest | 09:58 |
| wagi | called jitterdebugger | 09:58 |
| wagi | https://github.com/igaw/jitterdebugger | 09:58 |
| wagi | cyclictest is kind of hard to fix :) | 09:59 |
| szlin | wagi: ah, Despicable Me. | 09:59 |
| wagi | szlin: :D | 09:59 |
| szlin | wagi: How about rt-tests test suite? https://wiki.linuxfoundation.org/realtime/documentation/howto/tools/rt-tests | 10:00 |
| wagi | The -rt stable maintainers have agreed to improve the tests in rt-tests | 10:01 |
| wagi | jitterdebugger is supposed to replace cyclictest | 10:01 |
| wagi | or at least this is my plan | 10:01 |
| wagi | The main problem with cyclictest, it is hard to use | 10:02 |
| wagi | jitterdebugger should give you correct results withouth a lot of command line options | 10:02 |
| wagi | furthermore, we (Wolfgang Mauerer) is planing to do some time series analysis | 10:03 |
| wagi | So not just historgrams | 10:03 |
| wagi | That is a great step forward regarding getting a better confidence on the -rt performance | 10:04 |
| wagi | Well, I need to defer to Wolfgang here. He is the real stastic pro | 10:04 |
| szlin | wagi: do you have release schedule for version 1.0? | 10:07 |
| wagi | just a sec | 10:07 |
| wagi | back, phone call irq | 10:21 |
| wagi | szlin: so far no schedule. I am workong on this topic only in my idle time | 10:21 |
| wagi | working (!!) | 10:22 |
| wagi | the good thing is that I have a couple of contributors for jitterdebugger | 10:22 |
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