From: Pieter Wuille <pieter.wuille@gmail•com>
To: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>,
bitcoin-security@lists•sourceforge.net
Subject: [Bitcoin-development] Warning: many 0.7 nodes break on large number of tx/block; fork risk
Date: Tue, 12 Mar 2013 01:18:10 +0100 [thread overview]
Message-ID: <CAPg+sBip_4Jtxhq+rm-na2=RSJ_PuoZt+akGgJyo0b_Bwbr1Dw@mail.gmail.com> (raw)
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Hello everyone,
Í've just seen many reports of 0.7 nodes getting stuck around block 225430,
due to running out of lock entries in the BDB database. 0.8 nodes do not
seem to have a problem.
In any case, if you do not have this block:
2013-03-12 00:00:10 SetBestChain: new
best=000000000000015aab28064a4c521d6a5325ff6e251e8ca2edfdfe6cb5bf832c
height=225439 work=853779625563004076992 tx=14269257 date=2013-03-11
23:49:08
you're likely stuck. Check debug.log and db.log (look for 'Lock table is
out of available lock entries').
If this is a widespread problem, it is an emergency. We risk having
(several) forked chains with smaller blocks, which are accepted by 0.7
nodes. Can people contact pool operators to see which fork they are on?
Blockexplorer and blockchain.info seem to be stuck as well.
Immediate solution is upgrading to 0.8, or manually setting the number of
lock objects higher in your database. I'll follow up with more concrete
instructions.
If you're unsure, please stop processing transactions.
--
Pieter
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next reply other threads:[~2013-03-12 0:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-12 0:18 Pieter Wuille [this message]
2013-03-12 1:01 ` Pieter Wuille
2013-03-12 9:10 ` Mike Hearn
2013-03-12 9:53 ` Jorge Timón
2013-03-12 9:57 ` Peter Todd
2013-03-12 10:10 ` Mike Hearn
2013-03-12 10:17 ` Peter Todd
2013-03-12 10:13 ` Michael Gronager
2013-03-12 10:26 ` Peter Todd
2013-03-12 10:43 ` Mike Hearn
2013-03-12 10:40 ` Roy Badami
2013-03-12 11:44 ` Pieter Wuille
2013-03-12 12:11 ` Mike Hearn
2013-03-12 12:27 ` Michael Gronager
2013-03-12 12:18 ` Jorge Timón
2013-03-12 12:40 ` Jay F
2013-03-12 12:38 ` Gregory Maxwell
2013-03-12 13:00 ` Michael Gronager
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