Bitcoin Core 0.13 freezes Ubuntu 16

[achow101]

I did this but it froze again after about 20 mins.
Maybe there are bad blocks on HDD? Computer is new so I thought that was unlikely.

I think you are running out of RAM. Look at your CPU, RAM, and disk usage stats while you are running Bitcoin Core. I think that you will see your RAM usage go to 100% and then the computer freezes.

Try closing as many other open applications to free up as much RAM as possible

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[KingDice]

Thanks for the info. I would recommend :

dbcache=500
par=1

Parameter  "par" tells bitcoin to limit the threads to 1, since HTOP indicates that all of the CPUs are being busy 100% with bitcoin having 4 threads. So if we limit it to 1, plus decrease RAM then it shall work. Please try it and let me know

[Fenix_One]

Here is screen photo from latest freeze with HTOP data (sorry, bad quality):
http://imgur.com/a/TIBfq 

Looks like all 4 cores are almost fully used.

[KingDice]

Here is screen photo from latest freeze with HTOP data (sorry, bad quality):
http://imgur.com/a/TIBfq 

Looks like all 4 cores are almost fully used.

Okay but please add to the bitcoin.conf the settings i mentioned above,restart bitcoin, and it shall have no problem then.

[Fenix_One]

Here is screen photo from latest freeze with HTOP data (sorry, bad quality):
http://imgur.com/a/TIBfq 

Looks like all 4 cores are almost fully used.

Okay but please add to the bitcoin.conf the settings i mentioned above,restart bitcoin, and it shall have no problem then.

ok, I have
dbcache=500
par=1

Now it adds new blocks slower of course, but hopefully it won't the freeze the computer anymore.
Can you tell what does dbcache=500 exactly do?


Thanks a lot!

[KingDice]

Okay great, dbcache just tells bitcoin t use only 500mb of cache. HTOP should show less load now, and cpus must be mostly free.

[Fenix_One]

Problem solved, thanks everyone!