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Title: Core v0.12.1 Post by: 1337leet on April 21, 2016, 06:52:41 PM Hey guys,
I had a problem with my wallet v0.11.0 - now I installed 0.12.1 but still have got fatal errors. Here's the debug.log: Quote 2016-04-21 18:48:06 UpdateTip: new best=0000000000000000009b7c28bf53cf357ba7accf13493a5b8154af2db0ed103b height=407251 log2_work=84.484111 tx=122350139 date=2016-04-14 12:19:24 progress=0.995337 cache=63.9MiB(36604tx) 2016-04-21 18:48:16 Corruption: block checksum mismatch 2016-04-21 18:48:16 *** System error while flushing: Database corrupted 2016-04-21 18:48:24 ERROR: ProcessNewBlock: ActivateBestChain failed 2016-04-21 18:48:24 tor: Thread interrupt 2016-04-21 18:48:24 torcontrol thread exit 2016-04-21 18:48:24 opencon thread interrupt 2016-04-21 18:48:24 addcon thread interrupt 2016-04-21 18:48:24 scheduler thread interrupt 2016-04-21 18:48:24 net thread interrupt 2016-04-21 18:48:24 msghand thread interrupt 2016-04-21 18:48:24 Shutdown: In progress... 2016-04-21 18:48:24 StopNode() 2016-04-21 18:48:24 UPNP_DeletePortMapping() returned: 403 2016-04-21 18:48:24 upnp thread interrupt 2016-04-21 18:48:24 Corruption: block checksum mismatch 2016-04-21 18:48:24 *** System error while flushing: Database corrupted 2016-04-21 18:48:47 Shutdown: done Anyone knows how to solve this problem? Title: Re: Core v0.12.1 Post by: achow101 on April 21, 2016, 07:02:58 PM It looks like you have a corrupt database. Try reindexing the database.
Title: Re: Core v0.12.1 Post by: rytyr on April 22, 2016, 09:56:45 PM Knightdk is right. It is a disk corruption issue.
Quote leveldb keeps its own checksums of all data it writes, when it notices during compaction that these mismatch it will return the error on the next flush. https://github.com/bitcoin/bitcoin/issues/6528Title: Re: Core v0.12.1 Post by: 1337leet on April 24, 2016, 04:40:48 PM I reindexed and now it works... but I did this like 10 times in the past... I get this errors all few weeks...
I always close the wallet right... don't know why I always get those annoying problems. Title: Re: Core v0.12.1 Post by: achow101 on April 24, 2016, 04:42:26 PM I reindexed and now it works... but I did this like 10 times in the past... I get this errors all few weeks... It could be your hardware. Maybe you have a bad hard drive?I always close the wallet right... don't know why I always get those annoying problems. Title: Re: Core v0.12.1 Post by: 1337leet on April 24, 2016, 04:44:49 PM The wallet and all it's parts (also the blockchain) are stored on an external HDD. Usually it works.. but sometimes it doesn't.
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