1 2018-09-18T00:00:32  <promag> Maybe replace "Overall workflow" and "RPCs" sections with "Refer to the [PSBT documentation](doc/psbt.md) for more details."
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  4 2018-09-18T00:25:33  <wumpus> * [new tag]                                                                           v0.16.3 -> v0.16.3
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  6 2018-09-18T00:27:30  <midnightmagic> lol "And to those[...]" "+- beardnboobies"
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 26 2018-09-18T01:43:51  <luke-jr> wumpus: did someone get a CVE number yet?
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 32 2018-09-18T01:53:39  <achow101> wouldn't been nice to have had 14196 in rc4 ...
 33 2018-09-18T01:53:45  <achow101> *would've
 34 2018-09-18T01:55:04  <sipa> #14196
 35 2018-09-18T01:55:05  <gribble> https://github.com/bitcoin/bitcoin/issues/14196 | [0.17][psbt] always drop the unnecessary utxo and convert non-witness utxo to witness when necessary by achow101 · Pull Request #14196 · bitcoin/bitcoin · GitHub
 36 2018-09-18T01:55:11  <sipa> oh yes
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 38 2018-09-18T02:14:23  <bralyclow> is v0.16.3 official release yet?
 39 2018-09-18T02:15:37  <bralyclow> I see listed as unofficial release, but it is not tagged Latest Release yet
 40 2018-09-18T02:20:35  <fanquake> bralyclow It was only tagged a few hours ago, gitian builds still need to be done
 41 2018-09-18T02:20:41  <gmaxwell> bralyclow: it's been tagged but the binaries are not up yet, since it takes time for the determinstic build process do to its thing.
 42 2018-09-18T02:21:05  <fanquake> (which are under way at the moment)
 43 2018-09-18T02:21:47  <bralyclow> very good, thank you for update/clarify, will wait on binaries for mac
 44 2018-09-18T02:22:19  <bralyclow> btw, when might 0.17 be released as I see at rc4 now?
 45 2018-09-18T02:25:26  <achow101> bralyclow: 0.17 will be released when we stop finding bugs in it for a week or 2
 46 2018-09-18T02:25:28  <fanquake> bralyclow There are still some outstanding issues/PRs that need to be resolved for 0.17 https://github.com/bitcoin/bitcoin/milestone/33
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 48 2018-09-18T02:28:38  <bralyclow> thank you for that info
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 53 2018-09-18T03:41:35  <fanquake> I've PR'd some 0.17.0rc4 unsignedsigs, as I already had depends built, will PR 0.16.3 this arvo.
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 83 2018-09-18T07:32:25  <wumpus> fanquake: great!
 84 2018-09-18T07:35:50  <wumpus> i've pushed 0.16.3 unsigned sigs to gitian.sigs
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 86 2018-09-18T07:37:05  <zndtoshi> Pierre Rochard explained in a presentation about Bitcoin Governance that consensus is reached similary to people meeting at the Schelling point: they know the city but not the location and hour to meet. They will think what the other would  do and vice versa and in NY meet in Grand Central Station at noon without communicating. So conseus in Bitcoin is the same: everyone gravitates to the right software to use or the rig
 87 2018-09-18T07:37:15  <zndtoshi> miners. They have a veto option by signaling acceptance or not of a future softfork. But they should/will meet with everyone else at the Schelling point as well. Is there a REAL need for mining nodes to signal inside the Bitcoin Network? If not, are there any risks to remove mining node signaling?
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 90 2018-09-18T07:39:00  <echeveria> zndtoshi: this is more appropriate for #bitcoin, please ask it there.
 91 2018-09-18T07:40:29  <zndtoshi> Thought I would ask developers if there is contention about this. Sorry, will post there.
 92 2018-09-18T07:42:47  <fanquake> wumpus cool. Looks like yours match my in-progress 0.16.3. Just finishing the macOS build
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 98 2018-09-18T08:08:33  <wumpus> now building 0.17.0rc4
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129 2018-09-18T10:44:22  <harding> wumpus: 0.16.3 release PR for BitcoinCore.org for when the binaries are uploaded: https://github.com/bitcoin-core/bitcoincore.org/pull/596
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136 2018-09-18T11:05:04  <wumpus> harding: thank you, that's quick !
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139 2018-09-18T11:24:01  <fanquake> wumpus 0.15 will need a build as well I guess, given it's maintenance period doesn't end until after 0.17 release?
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156 2018-09-18T12:52:04  <wumpus> fanquake: yes, probably would make sense to tag a 0.15.x release as well
157 2018-09-18T12:52:54  <wumpus> though that is less urgent, today I'd ideally like ot upload binaries for 0.17.0rc4 and 0.16.3 at least
158 2018-09-18T12:55:32  <achow101> 0.14 isn't EOL yet too
159 2018-09-18T12:57:36  <wumpus> the patch has been backported to both 0.14 and 0.15
160 2018-09-18T13:00:06  <wumpus> making a release on those branches is pretty much only a matter of writing (short) release notes, if anyone wants to speed it up and have a go at those, be my guest
161 2018-09-18T13:04:51  <fanquake> wumpus np. I've just merged achow's sigs. So we've got 3 builders for 0.16.3 and 4 for 0.17.0rc4 so far.
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163 2018-09-18T13:34:45  <luke-jr> FWIW, I got CVE-2018-17144 assigned for this
164 2018-09-18T13:40:46  <wumpus> (and bumping the version, and bumping the mangpages maybe)
165 2018-09-18T13:41:21  <wumpus> luke-jr: thanks
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174 2018-09-18T14:30:00  <provoostenator> (building in progress for 0.17rc4, I'll do 0.16.3 too)
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181 2018-09-18T14:50:59  <luke-jr> trivial bug in release notes: wumpus didn't update translations :p
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199 2018-09-18T16:18:11  <provoostenator> I'll tackle the 0.15.2 release notes if nobody else is already doing it.
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202 2018-09-18T16:29:42  <provoostenator> Not that many commits so I can probably do it manually, but the release docs say "ping @wumpus on IRC, he has specific tooling to generate the list of merged pulls and sort them into categories based on labels"
203 2018-09-18T16:30:14  <provoostenator> For backports, so I refer to the backport PR or to the original one?
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205 2018-09-18T16:33:24  <luke-jr> might be good to mention the CVE number in release notes yet-to-be-final
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208 2018-09-18T16:47:31  <provoostenator> luke-jr: I'll add that to #14262 now
209 2018-09-18T16:47:33  <gribble> https://github.com/bitcoin/bitcoin/issues/14262 | 0.15.2 release notes by Sjors · Pull Request #14262 · bitcoin/bitcoin · GitHub
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211 2018-09-18T16:56:56  <luke-jr>  * [new tag]               v0.16.3.knots20180918 -> v0.16.3.knots20180918
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214 2018-09-18T17:10:07  <leishman> https://lincolnloop.com/blog/saying-goodbye-botbotme/
215 2018-09-18T17:10:11  <leishman> "If you are a channel operator and would like to download a copy of the logs for your channel, please send a PM to ipmb on Freenode for more details."
216 2018-09-18T17:10:47  <leishman> I find the bitcoin-core-dev irc logs on botbot super useful for following development progress and learning. Are there channel logs anywhere else?
217 2018-09-18T17:11:13  <sipa> see topic :)
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220 2018-09-18T17:12:29  <leishman> oh haha. I may try to run a version of the botbot logger since it's open source and has a much better UI than the others
221 2018-09-18T17:13:36  <echeveria> it however, does seem to have a crazy amount of deps.
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223 2018-09-18T17:15:05  <echeveria> I guess not too many, I thought foreman was ruby (along with go, python).
224 2018-09-18T17:17:47  <leishman> yeah. shouldn't be too difficult to write a simple logger and put a UI on top of it either.
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227 2018-09-18T17:41:40  <provoostenator> FWIW gen-manpages.sh doesn't work on macOS because of sed issues.
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247 2018-09-18T18:48:45  <wumpus> luke-jr: I explicitly didn't update translations, because translations can contain 'bugs' and we're not following an rc process
248 2018-09-18T18:49:20  <wumpus> but yes, not mentioning it in release notes makes sense
249 2018-09-18T18:54:39  <wumpus> removed mention of translations from #14251
250 2018-09-18T18:54:40  <gribble> https://github.com/bitcoin/bitcoin/issues/14251 | doc: Add historical release notes for 0.16.3 by laanwj · Pull Request #14251 · bitcoin/bitcoin · GitHub
251 2018-09-18T18:56:06  <wumpus> provoostenator: yeah, it's more trouble than it's worth using the tooling in this case
252 2018-09-18T19:07:10  <provoostenator> I'll remove the translation mention as well.
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254 2018-09-18T19:18:53  <wumpus> I'll add in the CVE, good idea
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263 2018-09-18T19:46:51  <luke-jr> wumpus:       sudo lxc-execute -n gitian -f var/lxc.config -- sudo -u root -i -- bash
264 2018-09-18T19:46:57  <luke-jr> why is this line in your .assert? O.o
265 2018-09-18T19:49:41  <provoostenator> I'm trying to build the man pages on a Gitian box, which doesn't have a display. Any idea how to get around "QXcbConnection: Could not connect to display" for "bitcoin-qt --help"?
266 2018-09-18T19:52:12  <provoostenator> xvfb-run to the rescue
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270 2018-09-18T20:05:55  <cfields> gitian builders: v0.16.3 detached sigs are pushed
271 2018-09-18T20:06:42  <gmaxwell> perhaps people that regularly build should get pinged directly?
272 2018-09-18T20:07:30  <cfields> fanquake/achow101/jonasschnelli/provoostenator/luke-jr/wumpus/MarcoFalke/fivepiece: ^^
273 2018-09-18T20:07:44  <achow101> ok
274 2018-09-18T20:07:45  <cfields> reused from last time
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278 2018-09-18T20:20:49  <wumpus> luke-jr: no idea!
279 2018-09-18T20:21:38  <wumpus> luke-jr: oh, apparently I added an 'echo' line once
280 2018-09-18T20:26:07  <wumpus> must have been while debugging some issue with lxc, didn't expect it to end up anywhere else but on my own screen; hope it doesn't cause problems with validation
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286 2018-09-18T20:41:25  <luke-jr> XD
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292 2018-09-18T20:49:28  <luke-jr> pushed my signed gitian sigs (3rd one)
293 2018-09-18T20:50:27  <luke-jr> wumpus: I doubt the line should cause problems; I only noticed it because I was comparing
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295 2018-09-18T20:57:14  <ossifrage_> gmaxwell, I was just building a fresh bitcoin and noticed I still had a madvise(MADV_RANDOM) when mmapping read only data in leveldb, Is this worth a PR? It seem to reduces the number of pages fetched, but I don't have a good way to show if it actually helps
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298 2018-09-18T20:58:15  <provoostenator> Updated man pages in #14263, anything else needed for a v0.15.2 tag?
299 2018-09-18T20:58:17  <gribble> https://github.com/bitcoin/bitcoin/issues/14263 | Update manpages for 0.15.2 by Sjors · Pull Request #14263 · bitcoin/bitcoin · GitHub
300 2018-09-18T20:58:22  <luke-jr> ossifrage: LevelDB changes should go upstream
301 2018-09-18T20:58:31  <wumpus> ossifrage: I think doing optimization PRs only make sense if you can show it is a win
302 2018-09-18T20:59:29  <wumpus> 0.16.3 binaries up: https://bitcoincore.org/bin/bitcoin-core-0.16.3/
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304 2018-09-18T21:00:44  <ossifrage> wumpus, it does reduce the working set of pages pulled (at least initially) if people actually care about that (I don't)
305 2018-09-18T21:01:06  <wumpus> ossifrage: I care about it if it helps performance!
306 2018-09-18T21:01:47  <luke-jr> might be more of a system performance thing than bitcoind performance
307 2018-09-18T21:01:59  <luke-jr> (which IMO is still worth getting it merged upstream)
308 2018-09-18T21:02:48  <ossifrage> luke-jr, yeah it is a system level issue, which makes it much harder to test
309 2018-09-18T21:03:23  <luke-jr> run Chromium on the test system :P
310 2018-09-18T21:03:26  <luke-jr> on btrfs
311 2018-09-18T21:03:28  <luke-jr> lol
312 2018-09-18T21:03:49  <ossifrage> It depends heavily on how much system level memory pressure you have and how fast your IO is
313 2018-09-18T21:06:43  <ossifrage> luke-jr, g++ seems triggers way more violent page eviction then chrome does. chrome is a slow burn, g++ is a punch in the face
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316 2018-09-18T21:07:46  <luke-jr> ossifrage: well, Chromium seems to rewrite its state text files every second or two, and does fsync on that
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318 2018-09-18T21:13:05  <provoostenator> Is there a way to curse blocks, i.e. the opposite of "preciousblock"?
319 2018-09-18T21:13:57  <sipa> invalidateblock
320 2018-09-18T21:14:02  <provoostenator> Thanks
321 2018-09-18T21:14:21  <sipa> (which is more than cursing, it marks the block as unconditionally invalid)
322 2018-09-18T21:14:28  <sipa> the oppposite of invalidateblock is reconsiderblock
323 2018-09-18T21:14:52  <midnightmagic> and of course there's the ancillary haveteawithblock
324 2018-09-18T21:15:23  <jamesob> any idea when bitcoincore.org is going to be updated with 0.16.3's release notes?
325 2018-09-18T21:17:05  <theymos> How upgraded are miners right now?
326 2018-09-18T21:17:05  <wumpus> you people really don't have a second of patience do you
327 2018-09-18T21:17:19  <midnightmagic> I do!
328 2018-09-18T21:17:21  <midnightmagic> \o/
329 2018-09-18T21:17:25  <luke-jr> lol
330 2018-09-18T21:17:25  <jamesob> wumpus: sorry
331 2018-09-18T21:18:24  <wumpus> jamesob: anyow you can find them here https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-0.16.3.md
332 2018-09-18T21:20:25  <wumpus> theymos: some miners have already upgraded, don't know the % though
333 2018-09-18T21:21:12  <theymos> Do you think that I mention in my bitcointalk.org announcement that a chain split is possible?
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335 2018-09-18T21:22:58  <provoostenator> theymos: I don't think that's possible
336 2018-09-18T21:23:41  <achow101> theymos: a chain split is not possible
337 2018-09-18T21:23:42  <provoostenator> An invalid block could crash a node, but no node, patched or unpatched would accept such a block
338 2018-09-18T21:23:57  <theymos> ok, thanks
339 2018-09-18T21:24:36  <achow101> however, if you remove the assert that causes the crash, then you would accept an invalid block. but no release has that
340 2018-09-18T21:28:58  <wumpus> bitcoincore.org and bitcoin.org PRs have both been merged, should be a matter of times before the sites update...
341 2018-09-18T21:30:08  <gmaxwell> ossifrage: I should benchmark a reindex I guess.
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347 2018-09-18T21:57:37  <wumpus> harding: for some reason, bitcoincore.org is not updating, travis shows build passing etc, any idea what coudl be wrong?
348 2018-09-18T22:05:44  <wumpus> did anyone urge people to upgrade in #bitcoin yet?
349 2018-09-18T22:08:39  <luke-jr> I announced Knots there, at least. echeveria changed the topic. don't see an actual Core ann tho
350 2018-09-18T22:09:51  <wumpus> ok
351 2018-09-18T22:15:22  <TD-Linux> gmaxwell, are there "standard" reindex benchmark settings?
352 2018-09-18T22:16:28  <gmaxwell> TD-Linux: defaults, and dbcache=10000 (e.g. big enough that it never flushes) are the two cases that are most interesting.  It's useful to -connect=0  to stay offline while benchmarking.
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354 2018-09-18T22:19:05  <molz> wumpus, i got my nodes updated hours ago, now i'm announcing this on several forums, thanks for all your work and don't let it stress you out
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357 2018-09-18T22:40:21  <TD-Linux> how does bitcoin decide how many threads to use? it seems to only be using 16 on my 32 core machine
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359 2018-09-18T22:44:08  <fanquake> To set the number of script verification threads, we ultimately call std::thread::hardware_concurrency()
360 2018-09-18T22:44:30  <luke-jr> TD-Linux: boost::thread::physical_concurrency()
361 2018-09-18T22:44:46  <luke-jr> fanquake: only when compiling with an obsolete boost
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363 2018-09-18T22:45:01  <luke-jr> TD-Linux: are you sure it has 32 cores? not 16 + HT?
364 2018-09-18T22:45:14  <TD-Linux> 64 counting HT
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366 2018-09-18T22:45:37  * luke-jr wonders what it uses on POWER9
367 2018-09-18T22:45:53  <fanquake> luke-jr not since #10271 ?
368 2018-09-18T22:45:55  <gribble> https://github.com/bitcoin/bitcoin/issues/10271 | Use std::thread::hardware_concurrency, instead of Boost, to determine available cores by fanquake · Pull Request #10271 · bitcoin/bitcoin · GitHub
369 2018-09-18T22:46:18  <luke-jr> oh, didn't realise it changed recently; in any case, nobody should be running that yet
370 2018-09-18T22:48:38  <luke-jr> TD-Linux: might be good to check if that PR fixes it for you
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372 2018-09-18T22:50:00  <TD-Linux> indeed boost's cpuinfo parsing won't work on my /proc/cpuinfo
373 2018-09-18T22:50:40  <TD-Linux> it looks for the number of unique (physical id, core id) pairs but that is not a unique identifier on my machine
374 2018-09-18T22:51:47  <luke-jr> I don't even have physical/core ids in mine XD
375 2018-09-18T22:53:32  <TD-Linux> yeah so I'm running master for my benchmark
376 2018-09-18T22:53:41  <TD-Linux> boost would actually say I only have 8 cores with its logic
377 2018-09-18T22:54:06  <TD-Linux> I'll file a boost bug but I guess I also need a libstdc++ bug
378 2018-09-18T22:54:06  <luke-jr> >_<
379 2018-09-18T22:55:14  <luke-jr> does get_nprocs() work?
380 2018-09-18T22:55:56  <luke-jr> I guess that doesn't try to de-HT
381 2018-09-18T22:56:58  <TD-Linux> yes it does (returns 64)
382 2018-09-18T22:57:12  <luke-jr> looks like boost's cpuinfo parsing would fallback to get_nprocs on POWER9
383 2018-09-18T22:57:45  * TD-Linux kind of doubts that trying to not count HT cores is worth the pain
384 2018-09-18T23:00:10  <luke-jr> std::thread::hardware_concurrency seems to just wrap get_nprocs on GCC 7.3
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386 2018-09-18T23:07:05  <gmaxwell> TD-Linux: bitcoin caps at 16 because we measured previously and found that performance stops improving there and gets worse.
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