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1  Bitcoin / Mining support / Re: Antminer S9 low hashing rate board on: September 01, 2017, 12:45:45 PM
Good morning, people

I have a S9 (latest firmware) with low hashing rate chain, and seems to be normal, no "X" on chips, but it shows 0 in hw and no temperature since bootup (it's cold at the beginning). I've cleaned all the chains, tried another PSU, checked all the capacitors, and they seem to be ok.



Any ideas?

Thanks!

Friend this is ok.
You can try increase frequence.
How long use this miner? How temp chips?
need more details

Hi!!

These are the KernelLog https://pastebin.com/0y6QNcPg and Monitor https://pastebin.com/qAKBFWke

It doesn't show any temperature, and seems to recognize only 28 chips.

Thanks again!


2  Bitcoin / Mining support / Antminer S9 low hashing rate board on: August 25, 2017, 07:53:22 AM
Good morning, people

I have a S9 (latest firmware) with low hashing rate chain, and seems to be normal, no "X" on chips, but it shows 0 in hw and no temperature since bootup (it's cold at the beginning). I've cleaned all the chains, tried another PSU, checked all the capacitors, and they seem to be ok.



Any ideas?

Thanks!
3  Bitcoin / Hardware / Antminer S9, cannot update firmware on: August 25, 2017, 07:33:12 AM
Hi everyone,

I've a S9 that does not respond to ping at all. I tried to use IP Reporter, but does not work. No sdcard reader, so cannot update. Pushing the reset button after 2-3-4-5-6 minutes for 10 seconds, nothing happens (red led should blink if succeeded) I disconnected all hashing boards, just the controller, and this is what happens in every case, after a while when booted:

- The 3rd led in the controller flashes every second
- Both leds in the ethernet blink normally
- no other led does anything

Its seems that the firmware/filesystem is corrupted and unrecoverable in normal way. Any ideas instead of replacing the controller?

Thanks to everyone!
4  Bitcoin / Mining support / Re: update firmware Antminer S9 && hacked bgminer.conf on: August 23, 2017, 11:42:10 AM


Did you hold the reset button for 5-10 seconds and wait for it to reset to factory settings?
The cron tasks are in /var/spool/cron/root
You do have something running multiple instances of a process named "M5" on eth1 interface. If the reset button method doesn't work, try to ssh into the device and look at this /root/m5
You can also try ssh'ing into it and editing /config/cgminer.conf  with your pool configuration.

/config/bmminer.conf has this permissions:

-r--------    1 root     root           482 Aug 11 17:10 bmminer.conf

I cannot modify with chattr +i because it's not ext3/ext4.

/root/M5 does not exist, not mounted directly neither in /etc/fstab nor mount command.

Have to check /var/spool/cron/root, because crontab -l root didn't show anything... not now because I lost ip access, no red/green light flashes at all  Huh Huh
5  Bitcoin / Mining support / Re: update firmware Antminer S9 && hacked bgminer.conf on: August 22, 2017, 11:36:28 AM

I've been comparing 2 S9, a working one and the hacked one, you can see the log monitor in https://pastebin.com/74qBhhi1.

It's weird that {m5} eth1 /root/m5, eating CPU and being repeated many times....

any ideas to solve this?

Thanks!!



6  Bitcoin / Mining support / Re: update firmware Antminer S9 && hacked bgminer.conf on: August 22, 2017, 07:55:20 AM
Did you try doing all the reset and restore options (holding down reset button)? Can you load the S9 image onto an SD card and insert it?


This 13.0T model has the same chasis, but no sdcard reader. Does anyone know where to find the cron jobs? It seems to be some chroot proceses, isn't it? Every X hours, it changes the worker config.

 Huh
7  Bitcoin / Mining support / update firmware Antminer S9 && hacked bgminer.conf on: August 21, 2017, 12:10:44 PM
Hi everyone,

I've an antminer S9 kidnapped, and there is some cron job that modifies the conf every X hours.

I tried to update firmware to Antminer-S9-all-201708151137-autofreq-user-Update2UBI-NF.tar.gz, but it shows the following error: "error 403 request entity too large". It already has this firmware, but I tried to update it using other browsers with the same result. lighthttpd.conf doesn't show any info. I also tried firmware Antminer-S9-all-201704270135-autofreq-user-Update2UBI-NF.tar.gz with the same result.

When updating with s9_fix_upgrade.tar.gz to recover the fs, it shows a cgi html error "This firmware is for S9 XILINK" (it doesn't show the html page properly, but txt), but nothing more.

May you help me?

Thanks in advance


8  Bitcoin / Hardware wallets / Re: TREZOR: Technical issues on: January 07, 2017, 05:57:43 PM

The passphrase is like a 25th word of the seed.  Every passphrase gives you a different wallet, and if you forget the passphrase (or lose the seed) the BTC stored in the wallet are lost.



So johoe, Where do I put the passphrase when recovering? It's much longer than the BIP44 words, so It cannot be in the seed.
9  Bitcoin / Hardware wallets / Re: TREZOR: Technical issues on: January 07, 2017, 05:49:49 PM
Thanks for prompt reply, Cereberus.

I tried that guide before posting (a bit old, different software version now), but It doesn't work with passphrases. I couldn't find the option to put the passphrase, and of course, It doesn't rebuild the wallet. Does anyone succeeded in recovering Trezor with passphrase using Electrum/Mycelium?

Moreover, you cannot bypass the passphrase, as you can read in their FAQ (https://doc.satoshilabs.com/trezor-user/advanced_settings.html#multi-passphrase-encryption-hidden-wallets)

        The flip side to this extreme level of security is that if you forget your passphrase your bitcoins are lost. Really lost!



10  Bitcoin / Hardware wallets / TREZOR: Technical issues on: January 07, 2017, 05:18:45 PM
Hi people!!

I recently purchased a Trezor to use it as a secure vault for my small BTC, and it's an amazing device: very high secure, U2F compliance, some good apps for everyday usage (also thinking about buying another one (new model?) for backup purposes, but I have 2 questions I cannot answer. Perhaps they're answered in another posts, but I couldn't find them (sorry if that's so):

a) what may happen if the domain mytrezor.com is down because SatoshiLabs crashes? I couldn't have access to the device to use my private keys to make online transactions. Is there any option to download source code and create a webserver using localhost and a specific /etc/hosts entry?

b) when using hidden wallets, how is the passphrase generated within the device when multiple wallets are used? Is the seed related in this process? Because if I use the seed to recover my wallets, the passphrase couldn't be generated unless you put it explicitly, so it'll be impossible to access my wallets If I only know the seed, therefore all my BTC will be lost, aren't they?

Thanks for your help ;-)
11  Bitcoin / Hardware wallets / Re: Is trezor the safest way to keep coins!? on: January 07, 2017, 12:45:08 PM

3. Is trezor 100% safe and the best way to keep coins?


Hi everyone, I also have questions about trezor:

a) what happens if the domain wallet.mytrezor.com is down? I couldn't access to the device to use my private keys to make online transactions. Is there any option to download source code and create a webserver using localhost and a specific /etc/hosts entry?

b) how is the passphrase generated within the device when multiple wallets are used? Is the seed related in this process? Because if I use the seed to recover my wallets, the passphrase couldn't be generated unless you put it explicitly, so it'll be impossible to access to my wallets, therefore all my BTC will be lost.

Thanks for answering!  Wink
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