Compiz became suddenly slow, not after an upgrade

Hello,
I was quite happy with my Arch setup on eeepc 1000H, with compiz as standalone WM.
Yesterday, I booted and there was an awful lag, the system is now unusable. I have not modified xorg settings, neither performed any software upgrade. Here is what happened between the day where compiz was OK and the day compiz got slow.
- played around with some compiz settings : parameters of some effects and keyboard shortcuts definition (no big change)
- changed gtk theme and icon theme
- installed checkgmail applet and added it in start_fusion.sh startup script. At that point everything was fine before shutting down.
- added the battery to the netbook (had never been running under Arch with the battery before).
Here is what I have tried after the problem appeared:
- remove checkgmail applet from startup script
- removed the battery and boot with ac adaptor plugged in
The lag is still there, any graphical operation take ages (> 5 sec).
Has anyone an idea about where I should look at ?Is it rather kind of a powersaving mode issue, or some option in compiz settings manager which would have such an effect ?
Thanks for your help guys.
[EDIT]: added precisions
Last edited by alef (2009-10-02 14:30:42)

purple12 wrote:
Not sure if it'll help, but in order to enhance performance (reduce lag), Comiz offers a "loose binding" option. You can read about it in their t-shooting section. I've never used it, but I noticed it while poking around.
http://wiki.compiz-fusion.org/Troubleshooting
I confirm that using nVidia (Geforce 9600M GT) and the loose binding option the performance gets a very noticeable improvement. No idea on other cards though.

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Hi-
Do you have a Tiger volume to test your machine with?
Do you still have video in Tiger?
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CPU and GPU slow down after system upgrade

Ok, I can't find anything similar to the question I have...but this forum goes on forever
As my system specs appear below, my machine was running quite comfortably a week ago, with same setup...minus the acrylic case and second 120GB hard drive.
At that stage I had "nomal" benchmarking scores 3dmark03 - 5850, Aquamark3 41.000, PC mark 2002 - cpu7020 mem8438 hdd1050.
Life was good and I loved my system
Then I decided it would be cool to upgrade to an acrylic case (which has better cooling with 3 fans) and a second 120 GB HDD to make a striped raid array.
My first concern was the raid Array. I was carefull to buy the exact same seagate hard drive, size etc. the original was only a month old anyway. The second was to use the intel southbridge chip for SATA RAID or the Promise controller? After researching these forums I decided to go with the Intel as it has more possible bandwidth and doesn't sit on the PCI bus.
I got the new case and wearing those stupid white gloves, proceeded to move the components over and trash my "old" metal case.
The windows NTFS format (full) flew by in 30 seconds and I was really impressed.
Once windows xp and all it's drivers and updates were installed, incl sound and graphics etc. I did a 3Dmark 2001 test before upgrading to Dx9...what a bad mark! 3Dmark2001SE - 9950 (terrible for this system).
I thought it was a DX problem...so I installed Dx9
Then opened that corecenter program (the old one, the one that doesn't crash...)
and my CPU was about 5c hotter than usual, it was running at 40-42c (I have standard intel cooling fan). It went up to 55 at times when running PC mark 2002.
This didn't concern me too much a the system was stable at 32-34c and the northbridge read 60c (but we all know that's not true , more like 35ish.
My PC mark 2002 is now cpu4200 - mem4800 - hdd1800
(at least the HDD improved!) LOL
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Previously my CPU was 8,700 and GPU was 5300
now the CPU read 4400 and the GPU 4600
I don't really notice the speed loss when working, but games and benchmarks tell a different story.
So, My question: What has happened? Why is my CPU power cut in half? and the graphics card slightly slower? The memory speed stayed the same and the HDD speed improved....not a worthwhile upgrade IMO
What went wrong?
Here are my theories.
1) The CPU and system case is getting too hot
Does the CPU "throttle" when it overheats? this could be the reason.
Also both HDD get really hot and the fan in front blows air over them, this hot air could be going over the CPU or GPU. Maybe get 2 HDD coolers?
should I buy a better CPU cooler like the Thermaltake spark7+ ?
2) The PSU does not have enough watts
I couldn't find traces of voltage lack or spikes...but it could still be a problem
3) The RAID0 array is a strain on the CPU and chipset
I'm not sure about this.
My appologies for the lengthy thread, but I wanted to be sure that anyone trying to figure this out had as much info as possible
Thanks if u can help me figure this out.

Quote
Originally posted by Reaver
When I originally installed the intel p4 cooler, I used artic silver ceramique paste...and the CPU temp operates at 36-38c with no load.
Perhaps I should upgrade the overall cooling. Get a Thermaltake copper fan and two HDD coolers.
Well, your temps sound allright, no need to worry them, if they really operate at that level.
Quote
The solution to set the FSB to 201Mhz sounds good. But do I set this in the BIOS or with Corecenter in windoze?
Propably meant to adust your FSB at BIOS, at least that is what I would suggest.
Quote
I will try to re-install the VGA drivers because something strange DID happen when I first installed them. I started with the hercules driver CD, this installed CAT 3.2 drivers. I then upgraded to CAT 3.7 and before it completed I got an error window (send, dont send).
Remove drivers AND ATI control panel first, and then re-install. Use drivers from ATI site, and rather Catalyst 3.7. I Have had problems with 3.8 Catalysts.
Quote
Still wouldn't explain why the CPU seems so crippled. I have managed to get a "normal cpu score of 7000+ in PCmark2002 by shutting down, restarting later and killing every process except explorer.
Do you have any processes that seem to eat more juice thant hey should? Arrange your processes by CPU usage and see if there is something strange.
Quote
If this cant be fixed I will reinstall over the weekend. Does anyone know of the RAID0 array on the southbridge causing a system slowdown?
I'm using Intel RAID and it works perfectly, no extra CPU usage is shown and it's pleasantly fast!
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Slow Broadband after 21CN Upgrade?

Before my scheduled 21 upgrade my download connection has been rock solid at 8000K for several years. My whole recent experience with BT has been very disappointing and I hope you can throw some light on a solution.
So Far:
My Equipment: BT2000 Faceplate, RJ11 to BT Homehub 1010, 1 Extension fitted (No Bell wire Connected).
Problem 1. Now resolved. On the day of my appointment the engineer connected my dial tone and broadband to someone else’s line in the next village. The fault call centre insisted the fault could only be in my property as the line tested OK and I would have to accept the possible charges. Despite my requests for them to despatch an engineer to the exchange as it is more than a coincidence that my dial tone disappeared at the same time as my scheduled changeover they insisted I have an appointment. The fault was cleared in the exchange by the visiting engineer.
Problem 2. Now resolved. The engineer did not remove the call divert on my line and I missed my incoming calls for several days as my calls were diverted to a random number. I tried #21# and this did not work, so I contacted BT again. They informed me they could not remove the divert because they had not put it on. After investigation #61# managed to remove my divert. When I asked why it was not removed when my line was fixed I was told that I must have put the divert on myself as it was done by someone with access to my line. The whole point that my line had been connected elsewhere was totally alien to the call centre worker.
Problem 3. On going
After 14 days of Mediocare performance I was connected much slower speed than my old connection and as my profile was 4000k this is only half of my previous performance. (See Below)
1. Best Effort Test: -provides background information.
Download Speed
5959 Kbps
0 Kbps
4000 Kbps
Max Achievable Speed
Download speed achieved during the test was - 5959 Kbps
For your connection, the acceptable range of speeds is 1200-4000 Kbps.
Additional Information:
Your DSL Connection Rate :4603 Kbps(DOWN-STREAM), 1251 Kbps(UP-STREAM)
IP Profile for your line is - 4000 Kbps
The throughput of Best Efforts (BE) classes achieved during the test is - 16.4:29.53:54.07 (SBE:NBEBE)
These figures represent the ratio while sententiously passing Sub BE, Normal BE and Priority BE marked traffic.
The results of this test will vary depending on the way your ISP has decided to use these traffic classes.
2. Upstream Test: -provides background information.
Upload Speed
873 Kbps
0 Kbps
1251 Kbps
Max Achievable Speed
>Upload speed achieved during the test was - 873 Kbps
Additional Information:
Upstream Rate IP profile on your line is - 1251 Kbps
So I call BT again and after I have established that the only changing parameter is the new 21CN upgrade I am promised that a request will be passed to the engineers to increase the profile........ The result is that they just reset my profile, so once again my speed fluctuates for several days from a virtual stop to slow.
It is now six days since reporting my slow speed problems after receiving several calls from BT to ask me if my speed has improved, I am finally a broken man today.
They insist that I have a broadband boost engineer, before I accept this, I ask several questions and failed to get any acceptable answers..
What is wrong with my broadband? You have a fault in the property (change the record!!)
Why cannot you tell me the speed I am connected at. You cannot WOOSH test me? We cannot tell, we have to call you
Can I speak to the engineers? You cannot Sir
Can I speak to your Boss? No, why would you want to do that!
What have you done in the exchange to fix my fault? We have changed some things
Do you thing it is acceptable to still have slow speeds after twenty days? That's why you need a boost engineer
What are you going to do differently from all the other people I have spoken to to resolve my issue. Nothing
So with no other option I accept that an appointment will have to be made again. I am offered an appointment in the week, when I explain that I have business appointments and that I need a weekend appointment I am told none is available or would be available. So I agree to a Monday appointment. After the call I get a text to say I have an appointment has been made for Thursday! So I have to call them back and ask for the appointment I have been promised and I am told it's a simple and easy mistake to press the wrong button, it happens quite often!!
I since read here that it may help to upgrade my homehub, so why have they not sent me a replacement days ago?
Current Performance:
1. Best Effort Test: -provides background information.
Download Speed
2024 Kbps
0 Kbps
2000 Kbps
Max Achievable Speed
Download speed achieved during the test was - 2024 Kbps
For your connection, the acceptable range of speeds is 800-2000 Kbps.
Additional Information:
Your DSL Connection Rate :2271 Kbps(DOWN-STREAM), 771 Kbps(UP-STREAM)
IP Profile for your line is - 2000 Kbps
The throughput of Best Efforts (BE) classes achieved during the test is - 13.35:23.63:63.06 (SBE:NBEBE)
These figures represent the ratio while sententiously passing Sub BE, Normal BE and Priority BE marked traffic.
The results of this test will vary depending on the way your ISP has decided to use these traffic classes.
2. Upstream Test: -provides background information.
Upload Speed
592 Kbps
0 Kbps
771 Kbps
Max Achievable Speed
>Upload speed achieved during the test was - 592 Kbps
Additional Information:
Upstream Rate IP profile on your line is - 771 Kbps
I know there are more important things going on in this world. But my work, my ebay, my shopping, my banking, my social sites etc. all require bandwidth and to have it taken away disguised as an upgrade obviously upsets me. I am shocked at the complete lack of communications, and the inability to listen and understand your customers. What is the point of a call centre that can do NOTHING outside their script to help!
Solved!
Go to Solution.

Not sure why my profile is still changing and why I was disconnected today, probably the call centre doing another line test.
Uptime:
0 days, 10:24:37
Modulation:
G.992.5 annex A
Bandwidth (Up/Down) [kbps/kbps]:
803 / 2,523
Data Transferred (Sent/Received) [MB/MB]:
322.86 / 348.70
Output Power (Up/Down) [dBm]:
12.0 / 0.0
Line Attenuation (Up/Down) [dB]:
19.0 / 31.0
SN Margin (Up/Down) [dB]:
13.5 / 30.0
Vendor ID (Local/Remote):
TMMB / IFTN
Loss of Framing (Local/Remote):
0 / 0
Loss of Signal (Local/Remote):
1 / 0
Loss of Power (Local/Remote):
0 / 0
Loss of Link (Remote):
0
Error Seconds (Local/Remote):
1 / 0
FEC Errors (Up/Down):
0 / 0
CRC Errors (Up/Down):
0 / 0
HEC Errors (Up/Down):
0 / 0
Line Profile:
Fast

Slow phone after iOS4 upgrade? Try this...

I upgraded my iPhone 3G recently to iOS4, and experienced the general slowdown that others have reported. I also had problems with photos not displaying correctly. I deleted and reimported the photos, and that solved that problem, but the slowness and "lag" was still there.
I came across this tip in the misc.phone.mobile.iphone newsgroup:
quote
My 3G was quite slow when I first upgraded to iOS4. But I followed some
advice on the Apple Support Forum. A combination of Settings -> General ->
Reset -> Reset All Settings, followed by a full shut down and restart did
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unquote
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Doing the reset as described above doesn't lose data, just some settings (Home screen, WiFi login key, 4 digit lock code etc.), but it has got rid of the lag when switching the phone on, and restored some of the pre-upgrade speed.
Hope this helps.
Cheers

Well, first you say that your phone is slow. Then you state that your phone told you to remove unused apps. Did you read my last post? From what I've read, most phone performance issues are app related. You either have too many apps running at once (most likely), have a third party app that is causing a problem (less likely), or there is something actually wrong with your phone (least likely). As I stated, I noticed that my phone was slower than normal after installing OS6. I was using OS6 just like OS5, but the difference is that the apps in OS6 seem to want to close differently. So I had like 8 apps open at once, and that was my problem.
The first statement that you make is so vague that no one is going to be able to help you. When is your phone slow? What apps are you running during this time? Do you have excessive apps open? Is it slow all of the time or just sometimes? What non BB apps (third party) are you running? The 9300 also only has 256meg of ram, so that is going to make your application behavior that much more noticeable.
Try holding the ALT key down while pressing the BACK button (the one just to the right of the track pad) and that will show you which applications are running. You should see a minimum of 5 (home, phone, browser, messages, and messenger). If you see more than this, particularly if there apps open that you aren't using, this is likely a big contributor. Close those apps and see the difference. Just for fun, do a battery pull.
The second statement that you made is even more confusing because at no point in time would your phone ever tell you to uninstall something. At least, not that I can think of. What do you mean when you say the phone asked you to remove unused apps?

Extremly slow BB After 21CN upgrade

On last wednsday exchange in Dungannon got a 21CN upgrade. I thougt yea great news finally i'll get more than 9-10 Mbits. I must admit that before upgrade my bb was rock stable no problems at all ofc some minor dissconections occured during a 4 year period but it happens right? But after the Exchange upgrade my broadband is awfully slow it's almost like dial-up connection, i can't even do my work from home or use internet services which i've paid for upfront.
I've posted on forums recently i was told to leave my hub on 24/7 for few days, and it should solve my problem,since the line need to settle down after the updrade. But it's already 6th day after the upgrade and nothing changed .... well almost nothing ...
Here are the stats from my hub taken todays morning.
ADSL line status
Connection information
Line state Connected
Connection time 5 days, 0:47:10
Downstream 283 Kbps
Upstream 440 Kbps
ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.5
Latency type Interleaved
Noise margin (Down/Up) 22.9 dB / 30.3 dB
Line attenuation (Down/Up) 29.0 dB / 16.1 dB
Output power (Down/Up) 0.0 dBm / 12.9 dBm
Loss of Framing (Local) 0
Loss of Signal (Local) 0
Loss of Power (Local) 0
FEC Errors (Down/Up) 208 / 0
CRC Errors (Down/Up) 0 / 2147480000
HEC Errors (Down/Up) nil / 0
Error Seconds (Local) 0
When i got back from work about 5pm connection went down for a short period of time (i belive i've been resynced or smth like that) and afterwards my stats look like that
Line state
Connected
Connection time
0 days, 2:11:13
Downstream
283 Kbps
Upstream
1,108 Kbps
ADSL settings
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
22.1 dB / 9.0 dB
Line attenuation (Down/Up)
29.0 dB / 16.2 dB
Output power (Down/Up)
0.0 dBm / 12.9 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
2315 / 4294967264
CRC Errors (Down/Up)
0 / 2147480000
HEC Errors (Down/Up)
nil / 0
Error Seconds (Local)
0
im very happy cuz finally i can send files to my employer faster also uploading stuff for my private use/backup is easier now but what the **bleep** is with downstream speed? i can understand that setting up new exchange equipment can take some time, same goes for stabilization of the line but how long do i need to have to wait till i'll get what i'm paying for?
P.S excuse my english it's not my native language
Forgot to add speedtest results
Solved!
Go to Solution.

I know exactly what you mean = probably find most people on the forum know the feeling. the speed down is very low but as I said BT will not do anything while still in the training period.
if no change after 10 days training the contact mods for assistance http://bt.custhelp.com/app/contact_email/c/4951
just fill out the form
If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
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Sudden slow down after an auto-shutdown - kernel_task running hot.

Hi,
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Anyone want to take a stab at the cause of this sudden slow down? It's making using my laptop very very tedious.

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My Mab Book Pro has 4gb Memory , i want to upgrade it, since i am seeing my system slow down after i upgraded to OSx MOuntain LIon

Hi
After i upgraded to 10.8.2 i am seeing my MAc got slow.
And my memory is 4gb , if i increase the memory will the system become faster.
Can we get it done this in Apple store .OR without upgrading hte memory cna we make this ystem to run faster ?

vikramkg wrote:
Hi
if i increase the memory will the system become faster.
No. Installing RAM doesn't make a computer faster.
Can we get it done this in Apple store
Sure, but why pay for that when you can do it yourself.
without upgrading hte memory cna we make this ystem to run faster ?
Have you checked activity monitor to see if any apps or processes are takin up a large percentage of the CPU?

MacBook Slow/Crashes after Lion Upgrade

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Navigation and other features suddenly stopped working after I upgraded to FF4.

A day or two after I upgraded from FF 3.6 to FF4, all the ordinary navigation features stopped working. Backspace/alt-<, even the back and forward arrows, Crtl-R to reload a page, and the address field doesn't show the current URL unless I click the identify information icon. All very odd. None of the keyboard shortcuts work.
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Slower performance after Mavericks upgrade

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Hardware Information:
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          MacBook Pro - model: MacBookPro10,1
          1 2.3 GHz Intel Core i7 CPU: 4 cores
          8 GB RAM
Video Information:
          Intel HD Graphics 4000 - VRAM: 1024 MB
          NVIDIA GeForce GT 650M - VRAM: 1024 MB
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0
          AirPlay: Version: 1.9
          AppleAVBAudio: Version: 2.0.0
          iSightAudio: Version: 7.7.3
Startup Items:
          WiFiUtilityStartUp - Path: /System/Library/StartupItems/WiFiUtilityStartUp
System Software:
          OS X 10.9 (13A603) - Uptime: 0 days 1:10:23
Disk Information:
          APPLE SSD SM256E disk0 : (251 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) /: 250.14 GB (146.62 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Inc. FaceTime HD Camera (Built-in)
          Apple Inc. Apple Internal Keyboard / Trackpad
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist
          [loaded] com.microsoft.office.licensing.helper.plist
Launch Agents:
User Launch Agents:
          [failed] com.adobe.ARM.[...].plist
          [failed] com.google.keystone.agent.plist
          [loaded] ws.agile.1PasswordAgent.plist
User Login Items:
          Backup Engine
          Dropbox
          WirelessUtility
3rd Party Preference Panes:
          Flash Player
Internet Plug-ins:
          Default Browser.plugin
          Flash Player.plugin
          FlashPlayer-10.6.plugin
          QuickTime Plugin.plugin
          SharePointBrowserPlugin.plugin
          Silverlight.plugin
User Internet Plug-ins:
          Google Earth Web Plug-in.plugin
Bad Fonts:
          None
Time Machine:
          Skip System Files: NO
          Mobile backups: OFF
          Auto backup: NO
          Volumes being backed up:
                    Macintosh HD: Disk size: 250.14 GB Disk used: 103.52 GB
          Destinations:
                    LaCie Disk [Local] (Last used)
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                    Total number of backups: 1
                    Oldest backup: 2013-02-06 00:39:17 +0000
                    Last backup: 2013-02-06 00:39:17 +0000
                    Size of backup disk: Too small
                              Backup size 164.68 GB < (Disk used 103.52 GB X 3)
Top Processes by CPU:
               3%          WindowServer
               2%          firefox
               1%          EtreCheck
               1%          mds_stores
               1%          fontd
               0%          WirelessUtility
               0%          Mail
               0%          mds
               0%          aosnotifyd
Top Processes by Memory:
          426 MB firefox
          319 MB Finder
          246 MB Mail
          164 MB DashboardClient
          156 MB WindowServer
          156 MB com.apple.IconServicesAgent
          147 MB Dock
          131 MB mds_stores
          106 MB Dropbox
          106 MB com.apple.WebKit.WebContent
Virtual Memory Statistics:
          2.31 GB Free RAM
          4.09 GB Active RAM
          732 MB Inactive RAM
          903 MB Wired RAM
          451 MB Page-ins
          0 B      Page-outs

Do you know the reason for using WiFi Utility? It is not part of OS X and may be contributing to the problem.
Assuming you have no reason to use it:
Navigate to the following folder by selecting the entire line (triple-click to select it), then control-click, and from the contextual menu that appears, select Services > Open:
/System/Library/StartupItems/
Find the file WiFiUtilityStartUp and drag it to the Desktop. You will need to authenticate.
Next: Open System Preferences by selecting it from the  (Apple) menu, then select Users & Groups. Click the lock icon and authenticate, then click your User account. Select the Login Items tab, then select the item WirelessUtility. Delete it with the "–" (minus) button.
Next: Backup Engine is not part of OS X either, and is unrelated to Time Machine, which you are using. It may have been installed as part of a utility supplied by Seagate or other hard disk manufacturer. Such utilities should not be used on Macs. If you have no reason to use Backup Engine, delete it as well using the "–" button.
Quit System Preferences, log out, and log in again. Reply with your results.

Slower download after network upgrade

Hi,
I received an email from BT stating the following:
Good news. We’re rolling out our faster broadband and we’ll be upgrading our network in your area on 06-Aug-10. This’ll make the things you do online quicker.
Before the upgrade I was achieving a connection speed of approx. 7000/448 kbps. A few days after the upgrade I did see a brief improvement of around 7700/872 kbps. However for the last week or so I seem to be firmly planted at 5463/782 kbps.
Is there anything I should do to improve this?
Here are the results of the btspeedtest and some ADSL stats:
ADSL stats :
Channel: FAST, Upstream rate = 872 Kbps, Downstream rate = 5463 Kbps
Link Power State: L0
Mode:           ADSL2+
Channel:       Fast
Trellis:       U=ON /D=ON
Line Status:       No Defect
Training Status:   Showtime
       Down       Up
SNR (dB):   10.1       5.3
Attn(dB):   45.5       26.4
Pwr(dBm):   19.4       12.0
Max(Kbps):   6716       18139
Rate (Kbps):   5463       872
           G.dmt framing
K:       171(0)       110
R:       0       0
S:       1       1
D:       1       1
           ADSL2 framing
MSGc:       59       14
B:       170       109
M:       1       1
T:       1       1
R:       0       0
S:       0.9956       4.0000
L:       1374       220
D:       1       1
           Counters
SF:       7416483       5999664
SFErr(CRCErr):   587       59609
RS:       0       0
RSCorr:       0       35663718
RSUnCorr:   0       0
HEC:       360       45423
OCD:       14       0
LCD:       0       0
Total Cells:   1546256718       2057573243
Data Cells:   9248151       49573372
Drop Cells:   0
Bit Errors:   0       3682051
ES:       628       1353847
SES:       1       129716
UAS:       42       1353754
AS(Uptime):   119993
INP:       0.00       0.00
PER:       16.17       20.00
delay:       0.24       1.00
OR:       32.14       8.00
Bitswap:   11472       33
Total uptime:   260452
Total time = 1 days 22 min 1 sec
SF = 7416483
CRC = 587
LOS = 1
LOF = 9
ES = 628
Thanks for your time.

Hi there Yvon,
Thanks for the post and welcome to the forum.
Not sure what is going on here without running a few checks from my end. Can you please drop me an email to [email protected], include your BT account details and the link to this post. I will find out what is going on with your connection.
Cheer
Sean
BTCare Community Manager
If we have asked you to email us with your details, please make sure you are logged in to the forum, otherwise you will not be able to see our ‘Contact Us’ link within our profiles.
We are sorry that we are unable to deal with service/account queries via the private message(PM) function so please don't PM your account info, we need to deal with this via our email account :-)

Slow broadband after exchange upgrade

My exchange (Accrington) was recently upgraded. Prior to the upgrade I was getting approx 5.5Mb.
I was told that I would need to wait 10 days after the upgrade for re-training of my line.
After 10 days, my connection had dropped to 1.6Mb, so I called BT and was told that it was because I had a home hub version 1.0 and that it was incompatible with the upgraded exchage.
New version 2.0 Hub was sent to me and this has now been connected for 5 days. I also took the opportunity to move things arround so the new hub is connected directly to the master socket, there is no extension wiring and no telephone connected. (Master socket has BT broadband accelerator filter fitted)
I have used BT speedtest and got the stats from my hub. My IP Profile is no where near what it used to be, I would have expected this to rise after 5 days ?
Any suggestions as to what I should do now ?
By the way I am 456M from the exchange !
Line state
Connected
Connection time
0 days, 19:09:33
Downstream
2,268 Kbps
Upstream
1,184 Kbps
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
28.9 dB / 4.4 dB
Line attenuation (Down/Up)
16.0 dB / 7.1 dB
Output power (Down/Up)
0.0 dBm / 13.0 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
0 / 4294967137
CRC Errors (Down/Up)
0 / 2147480000
HEC Errors (Down/Up)
nil / 0
Error Seconds (Local)
0
1. Best Effort Test: -provides background information.
Download Speed
1555 Kbps
0 Kbps
2000 Kbps
Max Achievable Speed
Download speedachieved during the test was - 1555 Kbps
For your connection, the acceptable range of speedsis 800-2000 Kbps.
Additional Information:
Your DSL Connection Rate :2268 Kbps(DOWN-STREAM), 1183 Kbps(UP-STREAM)
IP Profile for your line is - 1750 Kbps
The throughput of Best Efforts (BE) classes achieved during the test is - 9.13:22.36:68.51 (SBE:NBEBE)
These figures represent the ratio while sententiously passing Sub BE, Normal BE and Priority BE marked traffic.
The results of this test will vary depending on the way your ISP has decided to use these traffic classes.
2. Upstream Test: -provides background information.
Upload Speed
976 Kbps
0 Kbps
1183 Kbps
Max Achievable Speed
>Upload speed achieved during the test was - 976 Kbps
Additional Information:
Upstream Rate IP profile on your line is - 1183 Kbps
We were unable to identify any performance problem with your service at this time.

Thanks for the reply.
I have removed the filter, and I will leave it for a few days to see if I get any improvement.
The noise margin(down) actually increased slightly after removing it, is this to be expected ?
Line state
Connected
Connection time
0 days, 0:01:28
Downstream
2,268 Kbps
Upstream
1,236 Kbps
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
29.1 dB / 6.0 dB
Line attenuation (Down/Up)
16.0 dB / 7.0 dB
Output power (Down/Up)
0.0 dBm / 12.1 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
0 / 0
CRC Errors (Down/Up)
0 / 2147480000
HEC Errors (Down/Up)
nil / 12
Error Seconds (Local)
0

Compiz became suddenly slow, not after an upgrade

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