| 15:09.20 | *** join/#oe ibot (~ibot@rikers.org) |
| 15:09.20 | *** topic/#oe is OpenEmbedded Developer Lounge | Web: http://openembedded.org | Repositories: http://git.openembedded.org/ | Primary Repo Mirrors: https://github.com/openembedded | This is not a distro or machine support channel |
| 15:09.21 | afournier | <PROTECTED> |
| 15:09.31 | bluelightning | yes, depexp is good |
| 15:09.37 | kergoth | we need to find a etter way to show *how* something got pulled in |
| 15:09.47 | kergoth | the graph shows that this sucks in that, but not if it was DEPENDS, RDEPENDS, whateer |
| 15:09.55 | kergoth | and if a PROVIDES was involved, it misses theindirection |
| 15:10.17 | silvio_ | cool: bitbake -g -u depexp foo |
| 15:10.29 | bluelightning | right, yes, that's the reason people usually want to look at the graphs and it's not as useful for that as it could be |
| 15:10.30 | kergoth | figuring out why bitbake has decided that both providers of something need to be built is a giant pain in the ass :) |
| 15:23.17 | kergoth | holy hell, i forgot how long it takes to build qt4 |
| 15:23.23 | kergoth | this is insane |
| 15:24.13 | ka6sox | no worse than gtk or x11 or any other GUI thing is seems. |
| 15:24.24 | kergoth | i think it's worse |
| 15:24.26 | kergoth | damn c++ :) |
| 15:24.48 | ka6sox | ya, forgot about that. |
| 15:26.57 | ka6sox | I guess I just kick it off and walk away... |
| 15:27.08 | kergoth | indeed |
| 15:27.14 | kergoth | watched pot and all |
| 15:27.17 | kergoth | heh |
| 15:28.00 | ka6sox | sstate +1 |
| 15:28.16 | kergoth | indeed |
| 15:28.23 | kergoth | it's still pretty brittle though |
| 15:30.23 | ant_work | bluelightning: any news about rootfs pollution for cpio's? I'd send an RFC about that. It looks like 2 oe-core classes are part of the problem... |
| 15:30.49 | bluelightning | ant_work: I haven't looked any further into it yet I'm afraid |
| 15:37.10 | ka6sox | QT on the BeagleBoard but you have to "sit it and forget it" for ~12-18hrs," |
| 15:38.24 | kergoth | haha |
| 15:40.08 | silvio_ | kergoth, try to use amazon ec2 or similar to make it faster ;) |
| 15:40.43 | kergoth | you'd think this 8 core vm would be enough, but.. |
| 15:40.47 | kergoth | i'm in the midst of a world build |
| 15:40.51 | kergoth | cause i'm crazy like that |
| 15:40.59 | kergoth | hasn't done one of these in years |
| 15:42.22 | silvio_ | I hope Ec2 use more tha 8 core, but i courios of know in how many time need to built qt4 |
| 15:42.52 | kergoth | i'd hope so too, never used it |
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| 15:46.41 | ka6sox | playing with AUFS (overlaying SSD or tmpFS) to speed up builds |
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| 15:47.44 | silvio_ | ka6sox, ? |
| 15:47.56 | silvio_ | Solid State Disk? |
| 15:47.59 | ka6sox | yes |
| 15:48.28 | silvio_ | i have no ssd |
| 15:48.48 | ka6sox | the best is tmpFS in RAM (if you have it) |
| 15:49.20 | silvio_ | but i need 60-80gb of ram? |
| 15:49.35 | ka6sox | depends on the build |
| 15:49.46 | silvio_ | i mean to build an image |
| 15:50.22 | kergoth | 60-80gb to build an image? must be a big image :) |
| 15:51.33 | silvio_ | usually is this angstrom-lxde-image |
| 15:51.37 | kergoth | ah |
| 15:52.07 | silvio_ | is big enough :) |
| 15:52.10 | silvio_ | ? |
| 15:52.25 | ka6sox | silvio_, do you use rm_work? |
| 15:52.46 | kergoth | isn't rm_work still dangerous due to the interactions with sstate? or is it stable now? |
| 15:52.54 | kergoth | i don't use it and just wipe tmpdir regularly :) |
| 15:53.16 | ka6sox | yup. |
| 15:53.39 | ka6sox | with tmpFS I just reinit. |
| 15:53.47 | silvio_ | ka6sox: no, I think no, also because the work dir is full |
| 15:54.12 | kergoth | heh, nice |
| 15:54.12 | ka6sox | what is size of work dir after a build? |
| 15:54.25 | kergoth | i should put together a nice fast high-ram build machine at some point, for home |
| 15:54.37 | silvio_ | wait... i check but i need some minutes :) |
| 15:54.51 | kergoth | hehe |
| 15:54.55 | kergoth | du on a build dir does take a long time |
| 15:55.07 | ka6sox | pidge did experiments and now all I'm spec'ing is 256GB RAM minimum builders. |
| 15:55.28 | pidge | nice |
| 15:55.51 | silvio_ | wow how u put all this ram in a pc? |
| 15:56.02 | ka6sox | silvio_, server class hardware. |
| 15:56.23 | pidge | ka6sox: I'd like to see your buildstats if you get a chance, in order to compare |
| 15:56.25 | silvio_ | not ec2 but quite near |
| 15:57.01 | ka6sox | pidge, will do, |
| 15:57.15 | silvio_ | i know that tar.bz2 of output is about 17-18gb |
| 15:57.51 | silvio_ | so to improve build time, some (not crazy suggest) ? |
| 15:58.21 | ka6sox | buy RAM, if you can't afford it...buy SSD...if you can't afford it, build a RAID10 |
| 15:59.28 | silvio_ | RAM is aproblem i need special hardware, probably buy a 256 Gb ssd is the better solution or I m wrong? |
| 15:59.54 | silvio_ | or raid 0 of 2 ssd :P |
| 16:00.02 | ka6sox | for serious builders HD replacement every 6 months, SSD in a year (although a developer machine would be longer) |
| 16:00.42 | silvio_ | You found decrease and fault on hdd over the 6 month? |
| 16:01.08 | ka6sox | silvio_, I currently have a RAID0 of 2 SSD's that have been building for a year...and no faults yet... |
| 16:01.14 | kergoth | nice |
| 16:01.41 | ka6sox | silvio_, for the autobuilders every 6 months I was replacing 25~50% of the HDs |
| 16:02.19 | ka6sox | since I used SSD haven't replaced a HD |
| 16:02.26 | ka6sox | (over a year) |
| 16:02.37 | silvio_ | good |
| 16:03.10 | silvio_ | for backups what you suggest to use? I mean something that is practise and fast |
| 16:03.51 | ka6sox | I just use a eSATA or USB3 external drive (for dev machine) |
| 16:04.13 | ka6sox | Autobuilders the stuff I care about fits on a thumb drive. |
| 16:06.15 | silvio_ | nothing of special so, with thumb drive u mean a usb key?? |
| 16:06.25 | ka6sox | yes |
| 16:06.41 | silvio_ | ok thanks |
| 16:07.00 | ka6sox | it can all be rebuilt/redownloaded. |
| 16:07.17 | ka6sox | you will lose sstate (unless you have a big key) |
| 16:08.22 | silvio_ | now, first thing before next(s) build I want to do is create a local (i mean in LAN) mirror of the OE git |
| 16:09.19 | ka6sox | thought every up-to-date git repo (local) was by definition a mirror... |
| 16:09.23 | silvio_ | because i notice that many waste time is in the fetching of packages |
| 16:09.40 | ka6sox | you mean downloads dir? |
| 16:10.02 | silvio_ | yeah sorry for my bad english |
| 16:10.20 | silvio_ | I waste time in fetch of packages |
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| 16:10.44 | ka6sox | last time I looked source.oe.org was about 40GB.... |
| 16:10.56 | ka6sox | sources.oe.org |
| 16:11.24 | ka6sox | please limit the transfer to 10Mb/sec |
| 16:11.27 | silvio_ | now the domain is in sold |
| 16:12.48 | silvio_ | 10Mb/sec lol idf i reach the 180kb/sec I was lucky, sometimes my line works at 5kb/s |
| 16:13.03 | silvio_ | media is about 40-50 kb/s |
| 16:13.35 | ka6sox | okay...let me know what week it is done... |
| 16:14.24 | silvio_ | silvio@ubuntu-EP400:~/oe/output$ du -hs work/ |
| 16:14.24 | silvio_ | 57Gwork/ |
| 16:14.51 | ka6sox | so 64GB of RAM should do nicely |
| 16:15.04 | silvio_ | I have to go, see you tomorrow bb people |
| 16:15.35 | silvio_ | yes but on EP400 is not feasible |
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| 17:38.41 | peppux | hello |
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| 18:22.52 | tworkin | can you pass -std=c++0x to bitbake for building boost? or should it still be abi compatible? |
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| 18:49.05 | wakko | it is possible to execute a command thru bitbake ? |
| 18:49.25 | wakko | like bitbake -exec ls |
| 18:49.36 | wakko | yes a shell command |
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| 19:03.27 | mr_science | tworkin: i've added that to a couple of packages... are you talking global? |
| 19:04.48 | tworkin | mr_science: i'm getting undefined reference for boost::thread::thread(). I Believe it is because I'm compiling my sources with -std=c++0x and that bitbake compiled boost without that. |
| 19:05.11 | tworkin | mr_science: -std differences breaks ABI compatibility, right? |
| 19:05.43 | mr_science | it changes the way g++ interprets the code, yes |
| 19:06.11 | mr_science | i usually add that in extra_oeconf, something like CFLAGS="${CFLAGS} -std=gnu99" |
| 19:08.16 | mr_science | you need them to match, ie, either change your compile flags or rebuild the affected packages |
| 19:08.37 | tworkin | i'd like to rebuild. i dont see an extra_oeconf though. |
| 19:09.01 | tworkin | arago/conf/local.conf, arago-bitbake/bitbake.conf |
| 19:09.10 | tworkin | I guess this is TI's not quite vanilla version of OE |
| 19:10.56 | mr_science | no, the extra_oeconf goes in the package recipe |
| 19:11.32 | mr_science | or extra_oemake i guess |
| 19:12.00 | mr_science | eg, EXTRA_OEMAKE = "CFLAGS="${CFLAGS} -std=gnu99" |
| 19:12.18 | tworkin | I have arago-oe-dev/recipes/boost/boost_1.45.0.bb. next to this file? |
| 19:13.37 | tworkin | oh IN the recipe file |
| 19:13.42 | mr_science | add the EXTRA... line to the boost recipe, if that's the one you want to rebuild with a new -std= option |
| 19:14.28 | tworkin | with the nested quotes? |
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| 21:32.39 | mr_science | exit |
| 21:32.46 | mr_science | time to go... |
| 21:33.01 | mr_science | stupid window focus |
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