IRC log of #maemo for Thursday, 2018-07-05

bencohKotCzarny: the "official" one is maemo.muarf.org00:01
bencohbut yeah I know :(00:01
KotCzarnyi must fix my sources.list then, hrm00:03
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KotCzarnyhmm, is there a way to make linux automatically move swapped pages from higher priority (ie. zswap) to lower priority (sdcard) depending on their age/last used/etc ?09:52
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bencohKotCzarny: could be with latest kernels10:18
KotCzarnybencoh: where to look for?10:18
bencohmainline that is, unless it wasn't merged, but I kind recall reading something about that10:18
KotCzarnyit would be also useful for my old laptop10:18
bencohbswap/zram or stuff like that I'd say10:19
bencoherr, not bswap10:20
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bencohyeah I was referring to zswap (different from zram)10:22
KotCzarnywell, what i'm looking at is not backing store though of zswap but swap subsystem moving pages from one swap device to another10:29
KotCzarnyinstead of using lower priority one when higher prio is full10:30
bencohKotCzarny: then I dunno/doubt it, maybe have a look at how they do swap with ssd and whether they implemented that kind of mechanism10:32
bencohalthough in your case I think you'd benefit more from zswap10:32
Wizzupmaybe you can set up swap on bcache10:33
bencohyeah, bcache :)10:34
* KotCzarny googles10:35
bencohbcache probably won't help you either here tbh10:36
bencohwell, it might, but ...10:36
KotCzarnyyeah, it doesnt free the pages10:36
Wizzupactually it probablh will, if you make a large set of small swap files10:36
Wizzupyou said you wanted to swap pages from one device to another10:36
Wizzupbcache will do that based on some LRU I hope10:37
Wizzupalt. maybe dm-cache? not sure if it satisfies your needs10:37
KotCzarnyi'm not seeing bcache into situation with swap in zram10:37
Wizzupsay you have /dev/fast-disk and /dev/fast-slow-disk, you could have bcache use both and them have swap on top of that?10:39
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KotCzarny2 swaps: 1 in zram and 1 in mmcblk10:41
KotCzarnyideally pages should be moved out of zram when unused for long10:42
KotCzarnyonto mmcblk one10:42
KotCzarnythat way memleaks would be stored in slow device and more ram available for paging10:43
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freemangordonDocScrutinizer05: ping18:39
freemangordonDocScrutinizer05: do you know what "ccc", "npc" and "hwc" certificates are used for?18:40
freemangordonKotCzarny: ^^^18:43
freemangordonseems you know a bit about that18:43
KotCzarnyi recall that cert question18:43
KotCzarnyhave you checked the channel logs?18:43
freemangordonKotCzarny: but still, I have no idea what are those used for18:45
KotCzarnynah, i'm just quite good with google (sometimes)18:45
KotCzarnyseems you have that problem since at least 201418:46
freemangordonand "ccc" seems to be Common Configuration Certificate18:46
KotCzarnyor even 201318:47
KotCzarnycertificate npc appears to contain GSM IMEI, bluetooth MAC and wlan MAC18:48
freemangordonWizzup: ^^^18:49
KotCzarnyseems jonwil might be most knowledgeable18:49
KotCzarnysee the last link18:49
freemangordonKotCzarny: but what kind if cert is that, containg device specific data?!?18:49
KotCzarnysimilar to gpg signed email?18:50
KotCzarnyto know it is legit18:50
freemangordonhmm, seems I've asked the same question back in 2013 :D18:50
bencohyeah :D18:51
freemangordonok, still, the coversation was useful18:51
bencohmeans you're pretty consistent18:51
KotCzarnyyou should take notes18:52
freemangordonAm I not? :)18:52
KotCzarnyand put on some wiki18:52
freemangordonno, I'll just finish REing libsysinfo18:52
bencohfor some people, REing is just easier that writing documentation ;)18:53
bencoh(I'm not one of them unfortunately)18:53
KotCzarnyyeah, coding > writing docs18:54
KotCzarnyalthough both are important18:54
KotCzarnyhmm, there is something called libcal18:55
KotCzarnyand apparently its open sourced18:57
Wizzuppretty sure that's already packaged and built even on leste18:58
KotCzarnyand interesting bits moved to closed libsysinfo, lol18:58
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freemangordonKotCzarny: yes, and this is what I am REing ATM19:06
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freemangordonbut I'll stop, as we'll try to live without it19:06
KotCzarnytry asking jonwil19:07
freemangordonKotCzarny: why not join #maemo-leste? not interested in it?19:07
freemangordonsure will do19:07
KotCzarnyi dont have autorejoin set19:07
freemangordonthen set it :p19:07
KotCzarnyso i have to rejoin manually after i reboot my box19:07
KotCzarnysometimes i forgot channel or two19:08
freemangordonit is just that it's better to keep info in one place and also more people to read it19:08
freemangordonto remind me in few years :D19:08
bencohhmm, I never heard of Sidekick 4g before19:24
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