Swedish ASIC miner company kncminer.com

[Meizirkki]

I think they will right their ship, but for many customers they are left in tough waters

I'm 9BTC down and still no miner. Not even going to get 1 day on current difficulty it looks like. Next difficulty is probably going to mean we are down to mining only 0.5BTC/day on a jupiter. So 2 days per bitcoin. In a couple of weeks, it'll take a week+/1btc.

And KNC don't even as much as apologise, just say "We learned stuff", "you ain't getting shit from us for the losses we caused you - read the T&C's" and set up other business ventures for themselves. Sick of waiting and sick of KNC.

man, you fucking whine a lot.

with all the right tho

[soy]

I go with (HW*100)/A

HW error % = HW/A+R+HW

where

HW = number of hw errors
A    = number of accepted
R    = number of rejected

with 0.97 I got something like 10-11% after almost 20 hours, whereas before the same miner running with 0.95 I used to have 5-7%

Thanks.  That changes mine from ~4.4% down to ~4.1%.  Although it doesn't agree with BertMod:

Device Hardware%=4.9875
Device Rejected%=4.1048
Pool Rejected%=4.3372
Pool Stale%=0.0000

[sbfree]

I go with (HW*100)/A

HW error % = HW/A+R+HW

where

HW = number of hw errors
A    = number of accepted
R    = number of rejected

with 0.97 I got something like 10-11% after almost 20 hours, whereas before the same miner running with 0.95 I used to have 5-7%

Thanks.  That changes mine from ~4.4% down to ~4.1%.  Although it doesn't agree with BertMod:

Device Hardware%=4.9875
Device Rejected%=4.1048
Pool Rejected%=4.3372
Pool Stale%=0.0000

thanks, that means I am still at 21%, spinning my wheels it feels

[sbfree]

is there a syslog on these things that i can forward to knc...figure out this 20% Hardware Error rate.....ridonkulous.

[soy]

I go with (HW*100)/A

HW error % = HW/A+R+HW

where

HW = number of hw errors
A    = number of accepted
R    = number of rejected

with 0.97 I got something like 10-11% after almost 20 hours, whereas before the same miner running with 0.95 I used to have 5-7%

Thanks.  That changes mine from ~4.4% down to ~4.1%.  Although it doesn't agree with BertMod:

Device Hardware%=4.9875
Device Rejected%=4.1048
Pool Rejected%=4.3372
Pool Stale%=0.0000

thanks, that means I am still at 21%, spinning my wheels it feels

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

[sickpig]

I go with (HW*100)/A

HW error % = HW/A+R+HW

where

HW = number of hw errors
A    = number of accepted
R    = number of rejected

with 0.97 I got something like 10-11% after almost 20 hours, whereas before the same miner running with 0.95 I used to have 5-7%

Thanks.  That changes mine from ~4.4% down to ~4.1%.  Although it doesn't agree with BertMod:

Device Hardware%=4.9875
Device Rejected%=4.1048
Pool Rejected%=4.3372
Pool Stale%=0.0000

I use this formula because kano say so ;P don't remember where thou. Now i'm on my way home but as soon as i get there i'll search the link of the post where he explained how to compute varoius ratios.

[xyzzy099]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

[sickpig]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

Field experience. Several board members report that adding intake airflow at the front bottom improve prformance. Look for DPoS posts in this and "knc jupiter first impression" thread

[xyzzy099]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

Field experience. Several board members report that adding intake airflow at the front bottom improve prformance. Look for DPoS posts in this and "knc jupiter first impression" thread

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

[Phoenix1969]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

Field experience. Several board members report that adding intake airflow at the front bottom improve prformance. Look for DPoS posts in this and "knc jupiter first impression" thread

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

I think it was a lone customer... yes... others?

[DPoS]

i also asked specifically where to find the HW% and you prefer to troll the tread rather than give a knowledgeable response.

if want a few more stats on the status page do this:  (you'll need to move them to the /www dirs after each reboot)

create a file named mining_stat.html_tmpl2
and place it in /config/

Code:

<div id="result" class="section">
  <div class="col span_6_of_12">
    <h4>Mining Status</h4>
    <table border="1">
      <tr><td>CGMiner Status</td><td>#%#Status#%#</td></tr>
      <tr><td>Last Checked</td><td>#%#time#%#</td></tr>
      <tr><td>Avg. Hash Rate</td><td>#%#hashrate#%#</td></tr>
      <tr><td>WU</td><td>#%#workUtility#%#</td></tr>
      <tr><td>Hardware Error Rate</td><td>#%#deviceHardware#%#</td></tr>
      <tr><td>Difficulty Accepted</td><td>#%#difficultyAccepted#%#</td></tr>
      <tr><td>Hardware Errors</td><td>#%#hardwareErrors#%#</td></tr>
      <tr><td>Device Rejected Rate</td><td>#%#deviceRejected#%#</td></tr>
      <tr><td>Pool Rejected Rate</td><td>#%#poolRejected#%#</td></tr>
      <tr><td>PBS_comments</td><td>#%#pbsComments#%#</td></tr>
    </table>
  </div>
  
  <div class="col span_6_of_12">
    <h4>HW Status</h4>
    #%#ASIC_STATUS#%#
  </div>		
</div>

then make another file called fetch_mining_stat.cgi
and place it in /config/

Code:

#!/bin/sh
#set -x

asic_status="<table border=\"1\">"

asic_stat_file=/var/run/stats.knc
if [ -f $asic_stat_file ] ; then
    i=1
    
    OIFS=$IFS
    IFS="="
    while read status ; do
	set -- $status
	if [ "$1" != "" ] ; then  
	    if [ "$2" != "OFF" ] ; then
		asic_status="${asic_status}<tr><td>ASIC slot #$i</td><td>$2 \&#x2103;</td></tr>"
		i=`expr $i + 1`
	    else
		asic_status="${asic_status}<tr><td>ASIC slot #$i</td><td>-</td></tr>"
		i=`expr $i + 1`
	    fi
	fi
	
    done <  $asic_stat_file
    IFS=$OIFS
else
    for line in 1 2 3 4 5 6 ; do
	asic_status="${asic_status}<tr><td>ASIC slot #$i</td><td>-</td></tr>"
    done
fi

asic_status="${asic_status}</table>"

killall -0 cgminer 2&> /dev/null
if [ $? = 0 ] ; then
    pid=`pidof cgminer`
    tasks=`ls /proc/$pid/task/|wc -l`
    if [ $tasks -gt 1 ] ; then
	proc_running="Running (pid="$pid")"
    else
	proc_running="Halted (Check Miner Settings)"
    fi
else
    proc_running="Stopped"
fi


if [ "`echo $proc_running | grep Running`" != "" ] ; then
    data=`/usr/bin/api-cgminer -o`
    
    # check that connect to cgminer was ok
    if [ "$data" = "Socket connect failed: Connection refused" ] ; then
	proc_running="Running (Connect to CGMiner API failed)"
	break
    fi

    IFS=","
    set -- $data
    
    for d in $data ; do
	IFS="="
	set -- $d
	if [ "$1" = "When" ] ; then
	    probe_time=`date -d @"$2"`
	elif [ "$1" = "MHS av" ] ; then
            hashrate="`expr ${2/.*} / 1000` Gh/s"
	elif [ "$1" = "Work Utility" ] ; then
	    work_utility=${2/.*}
	elif [ "$1" = "Device Hardware%" ] ; then
	    device_hardware=${2/.2*}
	elif [ "$1" = "Difficulty Accepted" ] ; then
	    difficulty_accepted=${2/.*}
	elif [ "$1" = "Hardware Errors" ] ; then
	    hardware_errors=${2/.*}
	elif [ "$1" = "Device Rejected%" ] ; then
	    device_rejected=${2/.2*}	    
	elif [ "$1" = "Pool Rejected%" ] ; then
	    pool_rejected=${2/.2*}	    	    	    	    
	elif [ "$1" = "Elapsed" ] ; then
	    pbs_comments=${2/.*}
	fi
    done
fi

sed '
s/#%#Status#%#/'"$proc_running"'/g
s/#%#time#%#/'"$probe_time"'/g
s!#%#hashrate#%#!'"$hashrate"'!g
s/#%#workUtility#%#/'"$work_utility"'/g
s/#%#deviceHardware#%#/'"$device_hardware"'/g
s/#%#difficultyAccepted#%#/'"$difficulty_accepted"'/g
s/#%#hardwareErrors#%#/'"$hardware_errors"'/g
s/#%#deviceRejected#%#/'"$device_rejected"'/g
s/#%#poolRejected#%#/'"$pool_rejected"'/g
s/#%#pbsComments#%#/'"$pbs_comments"'/g
s!#%#ASIC_STATUS#%#!'"$asic_status"'!g' < /www/tmpl/mining_stat.html_tmpl2

now copy the first file to /www/tmpl/

that won't change anything yet.. current one still being used.

now copy the second file to /www/pages/cgi-bin/

once you do that, it will add some extra fields to show this:

[opentoe]

Is it me or does anyone think KNC not showing up here or in their own forums a bit odd? I mean literally missing in action here through-out this whole process with us. All we have had is very limited support through email and that's it. This really puts a sting on me and would really make me think about ordering anything from them again in the future. Granted, we have had some firmware updates but I don't believe cgminer is even fully %100 compatible with their miners. I bought 2 Saturn's from them. One for me and one for my Dad. My Dad contributed a little money into it and I feel horrible that he may not get his money back, because two months ago I kept telling him KNC will deliver on time for us. I guess I can't blame KNC %100 on that, since the difficulty is rising so fast who would of expecting going from $200/day to less then $25/day in 2 months.

Not sure why I'm even writing this, I guess I'm just venting a little and sorry about that.

[DPoS]

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

which was the main reason I didn't post it to the boards for 3 days and kept it to myself....

[soy]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

I don't know why only that it does.  Perhaps overworked.  Found it thru experimentation.  In fact I'm thinking of replacing the cardboard I have forcing the intake air down onto the BBB with a small standoff-mounted fan.

[sickpig]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

Field experience. Several board members report that adding intake airflow at the front bottom improve prformance. Look for DPoS posts in this and "knc jupiter first impression" thread

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

I think it was a lone customer... yes... others?

As i've already said i'm commuting back home and i'm typing this from my smartphone, as doon as i get access to a proper device i will look up for reference. If memeory serves also trepex found it useful

[xyzzy099]

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

which was the main reason I didn't post it to the boards for 3 days and kept it to myself....

You should do some experiments heating the BBB with a hairdryer or something, and see if you observe directly a change in hashrate.

[sickpig]

I would be interested to hear what the theory is behind that "field experience".  On the face of it, that sounds ridiculous.  I have seen stranger things though, so I am not gonna call BS just yet.

which was the main reason I didn't post it to the boards for 3 days and kept it to myself....

you've probably done  the right thing ;-)

[joae1975]

0.97 also shows a continuous drop of hashrate for me from 500 to 470 (3 hour average eligius).

Actually.. it doesn't seem to be coming back in any previous firmware. Last value was 450 and that's where it stayed. I read compatible reports on KNC's forum. I fear 0.97 might damage bad Jupiters... Careful upgrading yours.

.96 does seem to be better than .97 on good jupiters.   I haven't tried it on a bad jupiter yet..  so far bad jupiters hash better on .94 'overclocked' running bfgminer but the VRMs/chips do have to take a beating..  perhaps heatsinks?

to 'cure' modules, remove the asic_test file and install .96, run enable cores and few times and reboot.   It should do its 1-2 min asic tests and then reboot itself.  you should have more enabled cores again

How do I remove that asic_test file??

+1

Please some help on this.  I can't seem to find the answer.

[soy]

I'm happy with mine.  Almost like it's time to get my life back.  Odd things to do like run cat5 to a back room I don't plan to heat.

[Ytterbium]

Did you try firmware 0.90 then enablecores.bin?  Are you forcing air onto the BBB?  A warmish BBB will drop your hashrate.

Why would a "warmish" BBB drop your hashrate?

Field experience. Several board members report that adding intake airflow at the front bottom improve prformance. Look for DPoS posts in this and "knc jupiter first impression" thread

More likely has to do with cooling the VRMs then the BB.