27-01-2016, 23:59
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#1
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Getting minus errors
I'm 95% sure it shouldn't be going backwards
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28-01-2016, 00:35
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#2
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cf.addict
Join Date: Feb 2005
Location: Gosport, Hampshire
Services: TV: Sky Q (Hybrid LNB) (with Sky Cinema), BB: 900 Mbps up/down (TOOB), Phone: Mobile (O2)
Posts: 202
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Re: Getting minus errors
I'm pretty sure that if there are no issues with your connection or speed, then I think the negative values are nothing to worry about. Someone else may be able to clarify this better than I have.
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28-01-2016, 07:39
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#3
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Re: Getting minus errors
Quote:
Originally Posted by dbateman2k5
I'm pretty sure that if there are no issues with your connection or speed, then I think the negative values are nothing to worry about. Someone else may be able to clarify this better than I have.
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Well about 5 minuets after this the amount of errors went into the millions the connection reset 5-6 times then came back but the upstream was down for about 6 hours before reconnecting
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28-01-2016, 08:07
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#4
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Perfect Soldier
Join Date: Mar 2009
Location: Worthing West Sussex
Age: 68
Services: VM 500M SH3 thingy
in modem mode
XL TV V6 Sony Bravia smart TV and M phone
Posts: 11,268
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Re: Getting minus errors
Roll over of an "int" data-type? The coder probably never contemplated pre and post RS errors in the 100,000's
__________________
History is much like an endless waltz: The three beats of war, peace and revolution continue on forever.
However history will change with my coronation - Mariemaia Khushrenada
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28-01-2016, 09:16
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#5
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Re: Getting minus errors
Quote:
Originally Posted by heero_yuy
Roll over of an "int" data-type? The coder probably never contemplated pre and post RS errors in the 100,000's
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Even resting the counters just makes it go to -1
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28-01-2016, 09:30
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#6
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Inactive
Join Date: Sep 2010
Location: Oxfordshire
Services: TV XL ,TiVo X 2,
200Mb Broadband
XL phone
Posts: 1,158
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Re: Getting minus errors
Quote:
Originally Posted by heero_yuy
Roll over of an "int" data-type? The coder probably never contemplated pre and post RS errors in the 100,000's
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Remember this information is aimed at a "professional" not the customer and you don't want to waste valuable memory for no reason.
The going to -1 immediately on resetting may be interesting but probably not.
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28-01-2016, 09:31
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#7
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Re: Getting minus errors
Quote:
Originally Posted by arcimedes
Remember this information is aimed at a "professional" not the customer and you don't want to waste valuable memory for no reason.
The going to -1 immediately on resetting may be interesting but probably not.
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Its been all over the damn place since last night with it dropping 5 times over the course of 10 minuets then the connection just randomly dropping to sub 100kbs a second then coming back and now the errors are just going backwards and going into the millions randomly, i'm completely clueless as to what is happening
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28-01-2016, 09:35
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#8
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Inactive
Join Date: Sep 2010
Location: Oxfordshire
Services: TV XL ,TiVo X 2,
200Mb Broadband
XL phone
Posts: 1,158
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Re: Getting minus errors
What do VM say? I would phone
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28-01-2016, 09:59
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#9
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Re: Getting minus errors
Quote:
Originally Posted by arcimedes
What do VM say? I would phone
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I'm jinxing it by saying this but its been fine for a bit now
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28-01-2016, 17:21
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#10
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cf.mega poster
Join Date: Dec 2010
Location: Warrington
Posts: 4,737
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Re: Getting minus errors
Quote:
Originally Posted by heero_yuy
Roll over of an "int" data-type? The coder probably never contemplated pre and post RS errors in the 100,000's
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Looks like a signed int16
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28-01-2016, 17:26
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#11
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Inactive
Join Date: May 2013
Posts: 382
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Re: Getting minus errors
Quote:
Originally Posted by JordanTheToaster
I'm 95% sure it shouldn't be going backwards
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It's a feature of how the RS errors are calculated. Ignore it. Treat -ve the same as +ve.
Disconnections can cause a high number of RS errors, while it's trying to resync and reconnect.
You should always reset the RS errors after a reconnection (assuming your GUI has that feature).
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28-01-2016, 18:45
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#12
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Wisdom & truth
Join Date: Jul 2009
Location: RG41
Services: RG41: 1Gig VOLT
Rutland: Gigaclear 400/400
Posts: 12,928
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Re: Getting minus errors
A feature, eh - Muddie!
Maybe a 10dB forward Path Attenuator would annul the post-RS errors.
__________________
Seph.
My advice is at your risk.
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28-01-2016, 19:08
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#13
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Inactive
Join Date: May 2013
Posts: 382
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Re: Getting minus errors
Quote:
Originally Posted by Sephiroth
A feature, eh - Muddie!
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The -ve sign on the RS errors, yes a feature of the calculation method.
Quote:
Originally Posted by Sephiroth
Maybe a 10dB forward Path Attenuator would annul the post-RS errors.
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No, won't have any affect. Maybe add a bit of noise if it's a dodgy FPA.
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28-01-2016, 19:29
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#14
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Wisdom & truth
Join Date: Jul 2009
Location: RG41
Services: RG41: 1Gig VOLT
Rutland: Gigaclear 400/400
Posts: 12,928
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Re: Getting minus errors
It's popcorn time, Muddie!
When an integer goes negative, it's because of the integer type when the value overflows. Is that what you mean by a "feature"? i.e. a nice piece of sarcasm? In which case I've been a bit of a thicko!
Thge power level on this cheap equipment is very close to maximum in range value that VM recommend. So there could well be something overdriven which might account for the errors.
__________________
Seph.
My advice is at your risk.
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28-01-2016, 22:53
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#15
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Inactive
Join Date: Nov 2015
Location: Bath
Age: 28
Services: Vivid 350?
Posts: 254
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Re: Getting minus errors
Quote:
Originally Posted by Sephiroth
It's popcorn time, Muddie!
When an integer goes negative, it's because of the integer type when the value overflows. Is that what you mean by a "feature"? i.e. a nice piece of sarcasm? In which case I've been a bit of a thicko!
Thge power level on this cheap equipment is very close to maximum in range value that VM recommend. So there could well be something overdriven which might account for the errors.
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The power levels only started getting this high when it was getting really cold outside otherwise it was normally 7-8
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