| minute | josch: oh? :D | 00:10 |
|---|---|---|
| minute | i fuzzily remember that i did something like that | 00:11 |
| josch | seems you did! https://twitter.com/minut_e/status/1600097193653936129 | 00:12 |
| josch | soon i'll have three SoMs here on my table so before i send my imx in i'd like to run some comparison benchmarks and create pretty graphs :) | 00:14 |
| minute | nice | 00:22 |
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| minute | ls1028a modules are here now. | 12:39 |
| josch | uff nice! :) They are all getting the boot-up fix now I guess? | 12:41 |
| minute | yes :3 | 12:46 |
| josch | uff :D i already broke out in sweat when cutting that trace on my trackball v2 -- would not like to doctor around on such expensive boards XD | 12:47 |
| josch | (but the operation seems to have been successful -- no connection between the northern pads of C5 and C25 anymore \o/) | 12:49 |
| josch | errr... C24 I mean | 12:50 |
| minute | :0 | 12:55 |
| minute | yeah on the ls1028a, this time D6 is already not-placed by the assembly house | 12:56 |
| minute | so i only have to add a 0R and the jtag reset wire | 12:56 |
| josch | oh so you can make small adjustments like that in the middle of a run? | 12:56 |
| minute | josch: yes in this case it was possible because they were waiting for the 36x ls1028a chips anyway | 12:56 |
| minute | pcbway is really flexible to work with | 12:56 |
| josch | oh cool :) | 12:56 |
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| * mark_ -> mjw | 13:46 | |
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| - robin (QUIT: Ping timeout: 268 seconds) (~robin@user/terpri) | 17:14 | |
| mhoye | quick question, before I cause my self to become unbootable again. I've added 'setenv bootargs "${bootargs} consoleblank=0" to /etc/flash-kernel/ubootenv.d/00something | 17:17 |
| mhoye | I want to end up with consoleblank set to 0, and believe my next steps are to run 'reform-flash-uboot' and then restart. | 17:18 |
| mhoye | I still can't find whatever's setting my current timeout to 60 seconds, instead of 600 | 17:18 |
| josch | mhoye: did you try to see if setterm gets ever called during boot by turning it into a proxy script? | 17:22 |
| josch | mhoye: your question is very valid. I prepared a diff to our boot.scr which should answer your question: https://salsa.debian.org/installer-team/flash-kernel/-/merge_requests/53/diffs | 17:23 |
| josch | mhoye: do you find the answer you are looking for in there? | 17:23 |
| josch | if not I probably should rephrase some things | 17:23 |
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| mhoye | josch: hmm, no I haven't tried wrapping it yet, let me do that now. | 17:43 |
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| + robin (~robin@user/terpri) | 18:04 | |
| - erle (QUIT: Quit: Just say no, then Putin can not legally invade your nation without your consent.) (~erle@2a02:8109:da40:c4:41f1:b473:fcae:5125) | 18:12 | |
| + leonardo (leonardo@user/leonardo) | 18:12 | |
| mhoye | josch: so, after wrapping setterm in a script that dumps cli options and pids and stuff and then rebooting, I can confirm that /sys/modules/kernel/parameters/consoleblank is set to 60 on boot and nothing is calling /usr/bin/setterm | 18:16 |
| sevan | is there any way of manipulating the scheduling priorities of things kernel side as an adminitrator. I know thing can be modified in source & recompiled, but I'm wondering about controls to avoid that. I had around 260 packages to install including ZFS updates which I fired off with nice -n19, yet when it came to build zfs-dkms it overloaded the system since it tries to use all CPU cores for the build. | 18:23 |
| sevan | resulting in the wifi connection flapping system the system is overloaded and unable to maintain the connection. I would like to priorities things so networking doesn't suffer | 18:23 |
| sevan | I guess it doesn't help if the dkms builds via 'apt upgrade' run as root. | 18:25 |
| mhoye | sevan: there's a program called "cpulimit" that does what you want | 18:40 |
| sevan | mhoye: thanks, investigating it now, will take a week or two to amass a backlog of packages to install, to try out :) | 18:41 |
| mhoye | sevan: without getting into the cgroup weeds, there's a clever trick you can use: | 18:42 |
| mhoye | Use the cpulimit command with the "include-children" option, and then just... run bash. | 18:42 |
| sevan | ahhh, yes. | 18:43 |
| mhoye | That gives you a load-safe subshell, as in "nothing under this can kill my system" | 18:43 |
| sevan | got it, thanks :) | 18:44 |
| sevan | ACTION goes to modify gdm service to invoke cpulimit first :) (j/k) | 18:44 |
| mhoye | see you in a few weeks! | 18:46 |
| + vagrantc (~vagrant@2600:3c01:e000:21:7:77:0:20) | 18:53 | |
| mhoye | sevan: one thing to maybe have on your radar is that the cpulimit program is a blunt instrument - it isn't carefully measuring out cpu resources in some sophisticated way or anything, it's just whacking processes with a rolled up SIGSTOP newspaper until they behave. | 18:53 |
| sevan | mhoye: noted. should be ok with GCC? | 18:54 |
| mhoye | Inasmuch as anything is! | 18:54 |
| sevan | fun :) | 18:55 |
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| josch | mhoye: then i'm out of ideas for easy debugging options concerning consoleblank | 19:47 |
| josch | mhoye: did you find the answer you were looking for in the diff i sent you? | 19:47 |
| + mark_ (~mjw@gnu.wildebeest.org) | 19:56 | |
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| * mark_ -> mjw | 19:57 | |
| + mark_ (~mjw@2001:1c06:2488:1400:4fd:39a7:74ac:7bae) | 19:58 | |
| mhoye | josch: Let's find out! | 20:01 |
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| + Boostisbetter (4a410829d7@irc.cheogram.com) | 22:40 | |
| Boostisbetter | minute: congrats on getting the RCM4 modules out. I think the CM5 would be the only one to interest me personally. Now that it is capable of suspend out of the box and has a proper power switch, I think it would do really well in the Reform. Especially with the exposed PCIe lane for the NVME drive. | 22:59 |
| jfred | Boostisbetter: I assume you mean something like BPI-CM5 and not an upcoming Raspberry Pi CM5? We don't have any info about what the Pi CM5 will look like yet, right? | 23:11 |
| - cow321 (QUIT: Remote host closed the connection) (~deflated8@50.39.247.54) | 23:13 | |
| Boostisbetter | jfred, nah I think RPI already said that the CM5 is coming just no date on that yet | 23:14 |
| jfred | Oh - I didn't realize the Pi 5 had suspend-to-RAM now | 23:16 |
| jfred | if the CM5 does too that'd be pretty nice | 23:16 |
| Boostisbetter | yeah it was one of hte highlights for me. Finally have standby on it. | 23:16 |
| - chomwitt (QUIT: Ping timeout: 256 seconds) (~chomwitt@2a02:587:7a09:c300:1ac0:4dff:fedb:a3f1) | 23:18 | |
| mhoye | josch: so, from the diff it is not clear what I need to do to cause those changes to work. | 23:23 |
| josch | mhoye: thank you for your feedback. I'll need to rework some things then. | 23:23 |
| josch | mhoye: the answer is that you want to edit /etc/default/flash-kernel and not files in /etc/flash-kernel/ubootenv.d to change bootargs. | 23:24 |
| mhoye | josch: I didn't get the "not" part of that from line 14 of that patch. I interpreted "or drop scripts into" to mean "you can put them there. | 23:25 |
| mhoye | " | 23:25 |
| mhoye | somewhat confusingly, dmesg -xH | grep ommand shows me the kernel boot options, some of which appear to have been set several times? | 23:27 |
| josch | mhoye: you can and it will probably do what you expect | 23:27 |
| josch | mhoye: but if you want to change bootargs, using /etc/default/flash-kernel is more declarative | 23:27 |
| mhoye | If I use that option, do I need to put in _all_ the necessary command line arguments, or is it additive? | 23:28 |
| mhoye | As in, is it overwriting everything else. | 23:28 |
| + cow321 (~deflated8@50.39.247.54) | 23:32 | |
| minute | Boostisbetter: yeah, looking forward to bpi cm5. we might have something better by then but lets see | 23:38 |
| * bluerise_ -> bluerise | 23:43 | |
| - cow321 (QUIT: Remote host closed the connection) (~deflated8@50.39.247.54) | 23:43 | |
| + cow321 (~deflated8@50.39.247.54) | 23:43 | |
| minute | boostisbetter: sorry i meant rpi cm5 | 23:55 |
| minute | surely it will have a lot of people looking at it and good linux support | 23:55 |
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