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| 08:44.31 | mckoan | good morning |
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| 08:54.45 | bluelightning | morning all |
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| 09:12.58 | koen | hey bluelightning |
| 09:13.04 | bluelightning | hi koen |
| 09:13.06 | koen | stabs perl and perl modules |
| 09:13.21 | bluelightning | stab them some more for me ;) |
| 09:13.41 | koen | I finally have git-perltools working |
| 09:13.49 | koen | well, send-email at least |
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| 09:59.07 | bluelightning | koen: over in #angstrom someone is asking if the 2013.06 repository is ever going to get restored...? |
| 10:00.07 | koen | it has always been there |
| 10:00.15 | koen | http://feeds.angstrom-distribution.org/feeds/v2013.06/ipk/eglibc/ |
| 10:01.29 | koen | or if that person is talking about setupscripts moving to 1.5, use the branch you want instead of master |
| 10:01.32 | koen | e.g. angstrom-v2013.06-yocto1.4 |
| 10:01.52 | bluelightning | I'll pass that on, thanks |
| 10:03.34 | bluelightning | koen: "all the directories are empty, eg http://feeds.angstrom-distribution.org/feeds/v2013.06/ipk/eglibc/cortexa8hf-vfp-neon/base/" |
| 10:03.56 | bluelightning | "s/all/some important ones/" |
| 10:04.36 | koen | cortex* tunes have never been supported in angstrom |
| 10:04.45 | koen | since that means your MACHINE.conf is broken |
| 10:04.58 | koen | e.g. like the ones in meta-fsl-arm |
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| 10:07.16 | koen | cortexa8 machines should use http://feeds.angstrom-distribution.org/feeds/v2013.06/ipk/eglibc/armv7ahf-vfp-neon/ |
| 10:07.45 | koen | the joy of people maintaining their own BSP and getting it wrong |
| 10:08.21 | bluelightning | koen: do we document somewhere how people are supposed to get it right? |
| 10:08.50 | koen | not sure if it's documented |
| 10:09.10 | bluelightning | if not, it shouldn't be too surprising that people don't know how to do it correctly... |
| 10:09.16 | koen | but there are a lot of email threads where we state that hardfloat/softfloat is a DISTRO setting, not a MACHINE setting |
| 10:09.50 | bluelightning | yeah, and there's practically zero chance of someone who doesn't already follow the mailing lists finding those |
| 10:09.58 | koen | well |
| 10:09.59 | koen | https://github.com/Angstrom-distribution/meta-fsl-arm/commit/2db4807df84ba516aa2617df23bc8cd4eff02646 |
| 10:10.04 | koen | otavio refuses to fix it |
| 10:10.16 | koen | saying that it's "just an opinion" |
| 10:10.55 | koen | I'd love to add it to an "official" doc somewhere to we can slap people with it |
| 10:11.30 | bluelightning | step 1 would be to make it an official angstrom doc at least |
| 10:12.03 | koen | angstrom is not the place to document that |
| 10:12.06 | koen | since it's a BSP issue |
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| 10:12.35 | koen | but I see the value in doing it |
| 10:13.07 | bluelightning | FWIW, he's saying that these instructions used to work: https://github.com/luke-jr/bfgminer/blob/bfgminer/README.ASIC#L140 |
| 10:13.12 | bluelightning | so I guess something changed |
| 10:14.01 | koen | could be |
| 10:14.12 | koen | but manually poking at feeds should be avoided |
| 10:14.32 | koen | those feeds did exist till we forked meta-fsl-arm and fixed it |
| 10:14.48 | koen | dunno why it had the cortex/beagle dir there |
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| 14:37.13 | jsea | I'm facing a really weird situation that a module doesn't create its package ipk but does -dev.ipk , -dbg.ipk |
| 14:37.24 | jsea | the module has |
| 14:38.23 | jsea | the module is built by makefile but it's so simple that it requires 'do_install()' in .bb |
| 14:42.54 | kroon | dbus-ptest-ptest; so thats why my image suddenly got so big... |
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| 14:53.07 | woglinde | hi |
| 14:53.45 | woglinde | jama ping |
| 14:59.43 | JaMa | pong |
| 15:00.24 | woglinde | jama any plans to update krb in meta-oe? |
| 15:00.58 | woglinde | there are some CVE fixed in newer versions |
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| 15:04.47 | JaMa | woglinde: not really, but patches are welcome |
| 15:04.54 | kergoth | Hmm, never noticed tzdata isn't included in default images. wonder why |
| 15:06.10 | woglinde | jama okay |
| 15:06.17 | woglinde | maybee this evening |
| 15:06.24 | bluelightning | kergoth: I don't think we had tzdata in a lot of OE images so it's probably a historic thing |
| 15:06.33 | bluelightning | OE classic I mean |
| 15:06.51 | kergoth | Ah, good point. It does seem like a pretty basic thing, though. I think my home router knows what timezone it's in :) |
| 15:06.53 | kergoth | nods |
| 15:09.13 | bluelightning | probably would be useful in a lot of cases yes... could depend on the size impact for others |
| 15:12.16 | kergoth | Hmm, yes, this is true. Perhaps a CORE_IMAGE_EXTRA_INSTALL snippet in local.conf to increase visibility and make it easier to enable/disable for folks not building custom images |
| 15:12.20 | kergoth | shrugs, then yawns |
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| 15:12.38 | woglinde | kergoth you have the power |
| 15:17.04 | JaMa | is there easy way to call python function (something imported in OE_IMPORTS) from shell task? |
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| 15:17.46 | kergoth | in inline python, yes, but that runs at expansion time, not task execution time |
| 15:17.59 | kergoth | but, you could add a prefunc/postfunc to run a python function before/after the shell one |
| 15:19.07 | JaMa | ok, thanks |
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| 15:30.21 | nerdboy | moin |
| 15:36.09 | bluelightning | kergoth: ah that reminds me, that's a nuance that we really ought to cover in the newly expanded bitbake manual |
| 15:36.32 | bluelightning | (time when inline expressions are expanded within functions) |
| 15:36.37 | bluelightning | catches a few people out |
| 15:37.00 | bluelightning | kergoth: have you read over the latest bitbake manual btw? |
| 15:37.32 | bluelightning | morning nerdboy |
| 15:37.36 | kergoth | Nope, didn't realize it was being worked on that heavily |
| 15:37.38 | kergoth | will have to take a look |
| 15:37.39 | bluelightning | http://www.yoctoproject.org/docs/1.6/bitbake-user-manual/bitbake-user-manual.html |
| 15:38.13 | bluelightning | it might be good since it does still have your name on it ;) |
| 15:39.55 | bluelightning | FWIW I think Richard posted something to the bitbake list a while back about it being worked on |
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| 16:57.37 | nerdboy | https://github.com/sarnold/meta-alt-desktop-extras/wiki <= new bbb images, including a small hw test image with an updated ltp-ddt package |
| 16:57.55 | nerdboy | just in case anyone wants to test their beaglebone black... |
| 16:59.20 | jkridner | nerdboy: interesting. you should make an entry on http://beagleboard.org/project |
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| 17:20.51 | Crofton|work | bitbake just blew up horribly when I tried building wo a MACHINE set |
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| 17:23.12 | khem | Crofton|work: error plz |
| 17:24.16 | Crofton|work | http://pastebin.com/mMWg8KbA |
| 17:26.57 | khem | hmm I think in setup scripts this is flagged already so you dont get to bitbake when MACHINE is not set |
| 17:27.04 | khem | what setup do you use ? |
| 17:35.33 | kergoth | koen: why's armv7a tunes preferred to cortexa tunes? I'm guessing it doesn't buy you much in the code generation? no cortex-only features that improve performance, so it just bloats up the feeds unnecessarily? |
| 17:36.28 | khem | kergoth: armv7a is Least common denom |
| 17:36.57 | khem | we have to stop this tune madness on arm at some point |
| 17:38.07 | khem | and it will also work with armv8 hopefully, we should be then able to use common packages much like x86 |
| 17:39.34 | kergoth | nods |
| 17:46.29 | Crofton|work | btw if you are using orc on arm hard float: https://bugzilla.gnome.org/show_bug.cgi?id=727464 |
| 17:48.30 | khem | ah missing hardfp abi context save |
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| 18:22.44 | koen | kergoth: armv7a tunes will get you the same PACKAGE_ARCH for cortex a5, a7, a8 , a8 and a15 |
| 18:23.19 | koen | kergoth: and I've yet to see any performance difference due to cortex vs armv7 tunes |
| 18:23.44 | koen | a5 and a7 might benefit from vfpv4, but so far benchmarks are inconclusive |
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| 18:27.34 | khem | koen: VFPv4 has fused multiply accumulate that gcc might use but not sure |
| 18:29.41 | khem | and that is non-IEEE arithmetic |
| 18:31.13 | khem | so if you have -ffp-contract=fast in cmdline options and -mfpu=vfpv4 together then it might make difference |
| 18:31.35 | broonie | khem: You're really selling this :) |
| 18:31.35 | kergoth | koen: ah, nice. we might have to think about making that switch at mentor for our customers. we're using meta-fsl-arm mostly unmodified at this point. of course, i'm not sure if we have any customers who care about package feeds, but honestly everyone should, its one of the only real field upgrade options other than reflashing :) |
| 18:33.12 | khem | kergoth: online package management needs a different mindset most of companies who deploy embedded systems do not have the infra or mindset |
| 18:33.19 | kergoth | heh, that's true |
| 18:33.35 | khem | broonie: selling what ? |
| 18:33.51 | kergoth | I expect many would be concerned about hypothetical interrupted upgrade issues, rollback, potential for being in a broken intermediate state. though most good package managers do avoid that |
| 18:33.54 | kergoth | anyone poke at ostree yet? |
| 18:33.56 | kergoth | i haven't had time |
| 18:34.03 | broonie | khem: The benefits. |
| 18:34.12 | khem | broonie: there arent any |
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| 18:34.21 | broonie | khem: Quite. |
| 18:35.00 | khem | once I did experiment with tuning to machine and tuning to generic arch and infact many benchmarks did better |
| 18:35.18 | khem | when tuned to generic arch |
| 18:35.39 | khem | real workloads are different than benchmarks sometimes benchmarks are misleading |
| 18:35.47 | kergoth | true |
| 18:35.51 | broonie | Sounds like the old thing with -Os frequently being quicker than things that optimised for speed. |
| 18:36.13 | kergoth | isn't that often the case due to cache pipelines? |
| 18:36.19 | kergoth | pokes his memory |
| 18:36.22 | broonie | Yes. |
| 18:36.22 | khem | most common optimization paths are best in gcc when its optimizing |
| 18:36.45 | khem | if you give it too many dimentions it sometimes pessimises |
| 18:36.53 | khem | after all its heuristics |
| 18:38.55 | khem | but sometimes there are few packages which can take advantages of specifics of processor then enable it surgicallu |
| 18:38.58 | khem | y |
| 18:40.56 | kergoth | RP_: can you remind me, a build completely from sstate won't make available intermediate siginfos, so you need to bitbake -S as well if you want enough information to be available to later builds to use -S printdiff, correct? |
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| 18:55.38 | kergoth | it's kind of sad how often i end up needing to pkill -f bitbake |
| 18:55.44 | kergoth | though admittedly less often that it used to be :) |
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