This alert is expounded to a consensus concern that occurred on the Frontier community at block 116,522, mined on 2015-08-20 at 14:59:16+02:00 – Problem has been fastened, see “Repair” beneath.
Impression: Excessive
Problem description: State database consensus concern in geth with deletion of account knowledge, which may occur throughout SUICIDE directions.
Affected implementations: All geth implementations as much as and together with variations 1.0.1, 1.1.0 and develop (“unstable 1.1.0”) have been affected. Eth (C++) and pyethereum (Python) are unaffected.
Results on anticipated chain reorganisation depth: Enhance ready time for eventual block affirmation to 12 hours
Proposed short-term workaround: Miners swap to eth or pyethereum asap
Remedial motion taken by Ethereum: Provision of fixes as beneath.
Repair: Word that the consensus concern occured simply earlier than the announcement of the brand new launch 1.1.0. When upgrading, please be sure you improve to the model you meant as you won’t wish to repair and improve from 1.0.1 to 1.1.0 (which has not but been formally launched) on the identical time. Fixes beneath are for model 1.0.2 – builds are generated for v 1.0.2.
- Launch 1.0.2 together with supply and binaries will be discovered right here
- In case you are constructing from supply: git pull adopted by make geth – please use the grasp department commit a0303ff4bdc17fba10baea4ce9ff250e5923efa2
- If utilizing the PPA: sudo apt-get replace then sudo apt-get improve
- We’re nonetheless engaged on the brew repair
The proper model for this replace on Ubuntu AND OSX is Geth/v1.0.2-a0303f
Word that it’s probably that you just obtain the next message alert which can resolve itself after some time as soon as your friends have up to date their shoppers:
I0820 19:00:53.368852 4539 chain_manager.go:776] Unhealthy block #116522 (05bef30ef572270f654746da22639a7a0c97dd97a7050b9e252391996aaeb689)
I0820 19:00:53.368891 4539 chain_manager.go:777] Discovered recognized unhealthy hash in chain 05bef30ef572270f654746da22639a7a0c97dd97a7050b9e
Updates:
- 20/08/15 17:47+02:00 Problem has been recognized and repair for geth is underway. Geth(Go)-Miners ought to improve asap as soon as the fixes grow to be obtainable and in the meantime swap to Eth (C++) or Python. Eth (C++) and Python miners are unaffected.
- 20/08/15 19:38+02:00 Official launch of fixes, see above.
- 20/08/15 21:19+02:00 Word that the consenus concern occured simply earlier than the announcement of the brand new launch 1.0.2. Subsequently, please ensure that you get the repair you need, i.e. stay on 1.0.1 or improve to 1.0.2. See “Repair” for extra particulars.
- 21/08/15 11:30+2:00 Because the prevalence of the consensus concern, we have been carefully monitoring the chain and community. In response to community statistics, most miners have upgraded to the patched 1.0.2 or switched to eth. Our expectations regarding most probably chain-reorganization depth is 750 blocks.
