| brolin_empey | A stationary/desktop computer may be used on/in a vehicle, which makes it a mobile computer in some sense, and a portable computer, such as a notebook computer, is often used mostly or even always in the same place, which makes it a stationary computer in practice. | 00:00 |
|---|---|---|
| brolin_empey | I think I already asked a while ago but I did not receive an answer or I forgot the answer: why does the N900 have multiple flash memory parts instead of using only eMMC? | 00:06 |
| DocScrutinizer05 | "faster boot" is the least argument I could think of, for a init system. Maybe only overtrumped by "shorter init files" | 00:07 |
| brolin_empey | I mean parts as in physical devices such as ICs on the motherboard. | 00:07 |
| DocScrutinizer05 | brolin_empey: the NAND on PoP/SoC is instantly available for boot. eMMC is not | 00:08 |
| DocScrutinizer05 | IOW your bootloader HAS TO go to nand (well, this is a massively simplified picture that actually isn't really true but nevertheless hives best large picture of the concept behind it) | 00:10 |
| brolin_empey | DocScrutinizer05: OK but what about a computer design such as an ARM or x86 Chromebook that uses eMMC as far as I know? Does it still have a separate flash memory part for booting? | 00:12 |
| brolin_empey | I thought that some SoCs can boot directly from eMMC but I may be misremembering? | 00:13 |
| brolin_empey | DocScrutinizer05: Linux is embedded in some products whose end users do not even know that they are actually booting a Linux computer when they power on the device. In this case, it is desirable to have the cold boot time for the OS be as short as is feasible. | 00:17 |
| DocScrutinizer05 | brolin_empey: maemo evolved from 770 to N800/810 to finally N900, and from Bora to Chinook to D...iforgot. And a lot is legacy, you even can find a initfs partition on NAND which is completely unused | 00:17 |
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| DocScrutinizer05 | for embedded with a need for ultra low boot time, you boot up a system image basically like resume from suspend2disk | 00:19 |
| brolin_empey | DocScrutinizer05: Diablo. | 00:19 |
| DocScrutinizer05 | Diablo :-D Thanks! | 00:20 |
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| brolin_empey | Some computers, such as the Up Board, Latte Panda, and some notebook computers, now run Windows 10 from eMMC. Do these computer still have a separate flash memory part for booting? I have a Latte Panda and Up Board in my office. | 00:23 |
| DocScrutinizer05 | most boot from the one storage device they got, nowadays | 00:31 |
| brolin_empey | I guess the computer boots the motherboard firmware from NVRAM then the motherboard firmware is able to boot an OS from the eMMC. So, in a strict or literal sense, the computer still does not directly boot from the eMMC. | 00:38 |
| DocScrutinizer05 | re maemo with systemd, I doubt this has much in common with maemo then, since in maemo another system occupied cgroups and I'm pretty sure sharing them between systemd and the maemo version of cgroup management won't fly | 00:39 |
| Wizzup | someone has most of leste working with systemd already | 00:39 |
| DocScrutinizer05 | let me guess which are the few negligible parts that are not working yet... Is audio management one of them? OOM another? | 00:41 |
| DocScrutinizer05 | and modem/dialer the third? | 00:42 |
| Wizzup | none of those relate to init system at all | 00:42 |
| Wizzup | modem works fine with openrc and systemd, oom is not relevant, audio management same, really | 00:43 |
| DocScrutinizer05 | and yet I guessed those | 00:43 |
| Wizzup | but sure, you can cherry-pick closed parts ;) | 00:43 |
| Wizzup | closed source parts* | 00:43 |
| Wizzup | I'm sure that the old browser also heavily depends on systemd and that's the reason it's not running ... not the fact that it's closed source, ancient, not worth bringing up in that form, etc | 00:44 |
| Wizzup | heavily depends on upstart* | 00:44 |
| DocScrutinizer05 | hint: the relation to systemd-initsystem is... *cgroups* | 00:44 |
| Wizzup | hint: it doesn't really matter | 00:44 |
| DocScrutinizer05 | sure | 00:45 |
| DocScrutinizer05 | nothing really matters | 00:45 |
| DocScrutinizer05 | seems it helps to adopt a poettering approach to system architecture to adopt systemd | 00:51 |
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| sixwheeledbeast | brolin_empey: re tuna I doubt it will be off. | 01:01 |
| Wizzup | openrc is used, I said someone else made it work with systemd | 01:01 |
| Wizzup | but nice assumption ;) | 01:01 |
| sixwheeledbeast | re systemd didn't the ubuntu systemd maintainer step down over some "feature/bug report" a few months back. | 01:02 |
| sixwheeledbeast | sorry debian https://github.com/systemd/systemd/issues/11436 | 01:17 |
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| brolin_empey | Buying RoHS-compliant products from pbtech, heh. | 02:11 |
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| KotCzarny | https://mobile.twitter.com/MehreenKhn/status/1110509604176384000 | 15:10 |
| KotCzarny | :) | 15:10 |
| bencoh | :? | 15:25 |
| KotCzarny | hello acta v2 | 15:26 |
| bencoh | :/ | 15:26 |
| KotCzarny | good bye memes | 15:26 |
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| DocScrutinizer05 | https://www.privateinternetaccess.com/blog/2019/03/eu-passes-new-copyright-law-which-will-lead-to-a-more-censored-internet/ | 21:52 |
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