#ceph IRC Log

Index

IRC Log for 2011-06-09

Timestamps are in GMT/BST.

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[19:09] <sjusthm> standup time?
[19:09] <sjusthm> or rather, when is the standup going to be?
[19:11] <cmccabe> I recommend standing up every 4 hours or so to avoid DVT
[19:11] <cmccabe> but I'm not a doctor and any medical advice from me should probably be taken with skepticism
[19:12] <Tv> how appropriate.. there's a James Brown in my earbuds repeating "Get on up!"
[19:12] <gregaf> looks like everybody's here, so probably in 3 ??? Sage went out briefly
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[19:20] <sayotte> DVT ?
[19:20] <cmccabe> sayotte: http://en.wikipedia.org/wiki/Deep_vein_thrombosis
[19:21] <sagewk1> let's do the standup!
[19:22] <sagewk1> er sorry 10 min
[19:25] <sayotte> huh, thanks
[19:25] <cmccabe> sayotte: I was mostly kidding. You're not at risk for DVT unless you like never exercise and never move
[19:26] <cmccabe> sayotte: or unless you have some unusual medical condition obviously
[19:26] <sayotte> never excercise, never move... yeah, check
[19:26] <sayotte> cmon, why would I leave the computer?
[19:27] <cmccabe> heh
[19:29] <sayotte> I have this rowing machine 10 feet away from me too... it makes a nice towel rack
[19:29] * sayotte quiets down before the standup begins
[19:31] <sagewk1> cnccabe: master build is broken, something with unit tests and pthread? http://ceph.newdream.net/gitbuilder/
[19:32] <cmccabe> strange
[19:32] <cmccabe> I would guess it needs more -pthread on the link lines for the units
[19:32] <cmccabe> I'll fix it
[19:32] <cmccabe> I had another weird problem building the unit tests where I needed to add $CRYPTO_LIBS to a bunch of the link lines
[19:32] <cmccabe> yet somehow gitbuilder didn't run into that difficult and my local build did :\
[19:36] <cmccabe> In general all parts of Ceph use threads, so I don't feel bad adding it to the link line of the unit tests.
[19:42] <cmccabe> hopefully d224b3e2b39f1fa20e7197bee260f65edd803fb3 will resolve the misbuild
[19:42] <cmccabe> I have to wait for gitbuilder to try it since the original problem doesn't occur on my computer :\
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[20:28] <cmccabe> trying again with 1376a5ab0c89780eab39ffbbe436f6a6092314ed
[20:37] <Tv> cmccabe: you really should work in a branch if you're unsure about this stuff
[20:37] <cmccabe> tv: the original change is a positive thing whether or not it fixes the build
[20:38] <cmccabe> tv: but yeah, a branch might b enice
[20:39] <cmccabe> tv: if 1376a5a doesn't fix the build, I'm probably going to have to log into gitbuilder and see what's wrong with libgtest.so there
[20:39] <cmccabe> tv: since this is something I've never seen locally, it's possible that got misbuilt... I've seen gcc segfault, etc. before
[20:40] <cmccabe> ok, adding -lpthread to the AM_LDFLAGS of libgtest.so fixed it...
[20:42] <cmccabe> although I have a sneaky suspicion that forcing a rebuild of libgtest.so might have worked too
[20:44] <cmccabe> anyway, gtest is definitely referencing pthread stuff, and configure should be setting GTEST_HAS_PTHREAD
[20:44] <cmccabe> so I'm kind of at a loss to explain the original problem
[20:47] <cmccabe> It's also interesting that the mds_issue_caps branch experienced the same problem on gitbuilder
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[22:54] <Tv> new gitbuilders now publicly visible: http://ceph.newdream.net/gitbuilder-gcov-amd64/ http://ceph.newdream.net/gitbuilder-kernel-amd64/
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[23:46] <Tv> anyone think we'll need to handle 64- and 32-bit machines in the same test cluster in any foreseeable future?
[23:46] <Tv> it's kinda hardcoded at 64 now and i'm wondering if that's worth any time at all
[23:47] <sagewk1> hmm
[23:47] <sagewk1> is it hard to do both?
[23:47] <Tv> for example, there's no guarantee the same version is built on both
[23:47] <sagewk1> oh i see. naw
[23:47] <Tv> like, you ask x86_64 gitbuilder for "master" ...
[23:47] <Tv> i'm just gonna keep it 64 only for now
[23:52] <Tv> oh wow "cross-arch" is now intel 32 vs 64
[23:52] * Tv remembers dealing with arm, sparc, mips, s390...
[23:55] <cmccabe> I'm sure gcc still supports all that stuff
[23:56] <cmccabe> there was a post recently by ian lance taylor about cross-compiling using gcc
[23:56] <cmccabe> http://www.airs.com/blog/archives/492
[23:58] <cmccabe> apparently it's a huge pain
[23:59] <cmccabe> "Many people new to [cross-compiling] have the same reaction: it simply can???t be this hard. But it is."

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