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Windows 7: memory leak

02 Nov 2009   #11
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by chinga69 View Post
ok it has frozen meadia portal over night here is the log i cant see anything in it

cheers brad



i renamed the file to get it to up load you will have to rename it
Something's wrong with the BLG. It's tiny, and it doesn't appear to contain any actual samples - kinda like it was defined but never "started". After a couple of days of logging, I'd expect that counter set to produce a log somewhere in the (say) 50MB range, and definitely more than mere kilobytes.

Seeing as this one is LeakLog_4, what happened to LeakLog_3, 2, and 1? Perhaps one of them is the multi-megabyte log which was running all the time?

The task manager screenshot suggests a private byte leak in the MediaPortal process, though it would still be useful to see that perfmon log, if it exists. Ultimately, if the symptom comes down to a slow and steady private bytes leak in that app, then you might want to talk to the vendor/developer about how to fix it. It's possible to do further troubleshooting with tools like UMDH to identify the actual leaking code inside the process, but it's complex and in a way that's the app developer's job.

I was thinking of making a smartarse comment about the cause being linked to the desktop photo, but then I thought better of it on the off chance that it's your wife or mum. Great-looking woman sir


My System SpecsSystem Spec
.
02 Nov 2009   #12
sup3rsprt

XP, Seven, 2008R2
 
 

Actually, she looks familiar. Is that your desktop or the Media Portal app playing something on TV?
My System SpecsSystem Spec
03 Nov 2009   #13
chinga69

xp/vista/win7/win8/10 tech preview
 
 

Quote   Quote: Originally Posted by H2SO4 View Post
Quote   Quote: Originally Posted by chinga69 View Post
ok it has frozen meadia portal over night here is the log i cant see anything in it

cheers brad



i renamed the file to get it to up load you will have to rename it
Something's wrong with the BLG. It's tiny, and it doesn't appear to contain any actual samples - kinda like it was defined but never "started". After a couple of days of logging, I'd expect that counter set to produce a log somewhere in the (say) 50MB range, and definitely more than mere kilobytes.



Seeing as this one is LeakLog_4, what happened to LeakLog_3, 2, and 1? Perhaps one of them is the multi-megabyte log which was running all the time?

The task manager screenshot suggests a private byte leak in the MediaPortal process, though it would still be useful to see that perfmon log, if it exists. Ultimately, if the symptom comes down to a slow and steady private bytes leak in that app, then you might want to talk to the vendor/developer about how to fix it. It's possible to do further troubleshooting with tools like UMDH to identify the actual leaking code inside the process, but it's complex and in a way that's the app developer's job.

I was thinking of making a smartarse comment about the cause being linked to the desktop photo, but then I thought better of it on the off chance that it's your wife or mum. Great-looking woman sir
no its niether my wife passed away in may this year

and the pic is of what ever was on when it done its usual freeze up

the logs are all empty will start a new one now

cheers and thanks for your help much appreciated
My System SpecsSystem Spec
.

03 Nov 2009   #14
smarteyeball

 
 

Quote   Quote: Originally Posted by chinga69 View Post
no its niether my wife passed away in may this year
Sh*t, that's terrible mate - I'm sorry to hear it

(My apologies for sticking my nose in)
My System SpecsSystem Spec
03 Nov 2009   #15
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by smarteyeball View Post
Quote   Quote: Originally Posted by chinga69 View Post
no its niether my wife passed away in may this year
Sh*t, that's terrible mate - I'm sorry to hear it

(My apologies for sticking my nose in)
Likewise, my deepest condolences, and I really feel bad about being unintentionally insensitive.

Regarding the perfmon log, please check to make sure that the size of the active log instance (almost always the one with the largest sequential number tacked onto the filename) is actually increasing over time. If not, and all of the LeakLog_x.BLG files remain constant in size even though the status when you type LOGMAN is listed as "running", there is obviously a problem with the log settings which needs to be addressed before continuing.

Thinking ahead, given that this is a server platform, the arrangements between you (your organisation) and the MediaPortal developers are presumably going to be more formal than is normal at the desktop level. I don't know anything about "MediaPortal" but a quick web search suggests that it's an open source project (?).

You may eventually need to lodge a request with whatever entity is willing to support you, because it may be impossible to diagnose and fix the problem without code-level involvement from the app developers.

The Perfmon log should reveal whether the leak is indeed "internal" to MediaPortal, or whether there are obvious other avenues to investigate.
My System SpecsSystem Spec
03 Nov 2009   #16
chinga69

xp/vista/win7/win8/10 tech preview
 
 

it is not a problem and thank you
My System SpecsSystem Spec
03 Nov 2009   #17
chinga69

xp/vista/win7/win8/10 tech preview
 
 

Quote   Quote: Originally Posted by H2SO4 View Post
Quote   Quote: Originally Posted by smarteyeball View Post
Quote   Quote: Originally Posted by chinga69 View Post
no its niether my wife passed away in may this year
Sh*t, that's terrible mate - I'm sorry to hear it

(My apologies for sticking my nose in)
Likewise, my deepest condolences, and I really feel bad about being unintentionally insensitive.

Regarding the perfmon log, please check to make sure that the size of the active log instance (almost always the one with the largest sequential number tacked onto the filename) is actually increasing over time. If not, and all of the LeakLog_x.BLG files remain constant in size even though the status when you type LOGMAN is listed as "running", there is obviously a problem with the log settings which needs to be addressed before continuing.

Thinking ahead, given that this is a server platform, the arrangements between you (your organisation) and the MediaPortal developers are presumably going to be more formal than is normal at the desktop level. I don't know anything about "MediaPortal" but a quick web search suggests that it's an open source project (?).

You may eventually need to lodge a request with whatever entity is willing to support you, because it may be impossible to diagnose and fix the problem without code-level involvement from the app developers.

The Perfmon log should reveal whether the leak is indeed "internal" to MediaPortal, or whether there are obvious other avenues to investigate.

ok will have a look around over at meadiaportal site maybe some one else is having similar issues

thanks for the help all the best
My System SpecsSystem Spec
15 Oct 2010   #18
millerd1

Windows 7 version6.1 build 7600, 64 bit, MS Office 21010
 
 

Quote   Quote: Originally Posted by H2SO4 View Post
As discussed previously, it sounds like a resource leak, but the real questions are "what's leaking?" and "can it be worked around without (re)coding the component in question?". This is all assuming you're already on the latest version of all the components involved, which tends to have a way of resolving (embarrassing) known resource leaks

The best way to troubleshoot is to start a Perfmon log straight after a reboot, and to keep it running until the "freeze" symptom manifests itself. Given it can take days, the trick is to keep the log file from growing to a monstrous size. That's done by being selective about what's being monitored, and how often perfmon records a "sample".

As a suggestion, create a Perfmon counter log to record all instances of all counters under the following objects:

- MEMORY
- PROCESS
- PROCESSOR
- SYSTEM
- THREAD

Set the sample interval to say 2 minutes, and kick off the log soon after the next scheduled reboot. Stop the perfmon log only once you're confident that the machine is clearly being all weird in the particular way which you wish to analyse.

If you need more info on how to create the perfmon log, just yell. Ditto if you'd like assistance in analysing it. There's nothing particularly personal in there other than the hostname of your server and the names of the processes running on it.
computer scan was attempted did not work,
Manufacturer: Dell
Model: Studio 17, and similar seen on Vostro 3700 (32 B with 4G RAMM)
OS: windows 7
, version 6.1 build 7600, 64 bit, updated to this very minute
CPU/Ram: 8G
Video Card: intel
Sound Card: don't know
Unit is leaking physical memory just siting idle for a few hours progressing from 30-50% to over 90%, sometimes progressing directly to a black screen. Task manager Physical memory reports 70-93% shortly before W7 alarms to shutdown a program to free memory, and machine locks to a black screen requiring hard boot sometimes a second hard boot to get control. However resource screen physical memory meter reports just 20-30% at the same time. Have run full Dell Diagnostics and have seen no issues reported. Today I captured a screen print just running task manager showing task manager meter saying 73% of 8G of RAMM is consumed!
Commit Charge graph is showing nearly or at 100% as these events develop. Orange bar on memory usage

is more than half the whole bar width. 4006 of 8192 installed. There is no explaination of Commit Charges in help or on MS website.




All operations shutdown only thing running is Task Master and Physical memory consumed still reads 73%.


Have MacAfee and Trend Micro Internet security running already. Have not run malware yet, how about a suggest malware code I can run for you.
Have run HWINFO32 what can I give you from that?

Sum of commit in Process Explorer is just under 28GB. Have since increased Vitual to 50,000 when largest automatically managed was showing 21,XXX, But have not restarted yet, not sure if W7 vitrual increase needs a restart to become active.
Largest commit only 210,760KB see list sort below by the highest commit first below. Image PID Hard Faults/sec Commit (KB) Working Set (KB) Shareable (KB) Private (KB)
iexplore.exe 4336 0 210,760 182,524 32,488 150,036
MsMpEng.exe 7388 5 193,012 107,208 10,852 96,356
iexplore.exe 3140 0 186,800 172,592 25,100 147,492
mcshield.exe 2512 0 146,968 61,960 5,096 56,864
iexplore.exe 6956 0 142,464 129,168 29,252 99,916
svchost.exe (LocalSystemNetworkRestricted) 984 0 141,624 141,012 11,988 129,024
dwm.exe 4300 0 106,440 91,788 57,332 34,456
procexp64.exe 7932 0 79,632 75,660 22,184 53,476
explorer.exe 1684 0 68,608 94,088 46,568 47,520
McSvHost.exe 1816 0 53,336 19,048 8,264 10,784
mcagent.exe 592 0 51,584 1,576 472 1,104
SearchIndexer.exe 3700 0 50,532 35,288 13,864 21,424
DellDock.exe 5184 0 48,460 8,068 4,100 3,968
WiMAXCU.exe 5240 0 46,440 27,320 15,028 12,292


Had just installed MS Security Essentials, running full scan now. Judging from the progess it will take several hours.

Had rebooted started all normal websites opened then started Task manager Phy mem is just 37% , resource manager reports 30%, Process Explorer says 19% committ, physical 14%, with 4% mem commit. Turned resource monitor log on but did not see a acknowledging response.

Normal pattern is to see Task Man. version of Physical mem either heavily loaded >=90% in the morning or have a black screen. I'm betting it is a black screen. Going to let the MS SE do the scan and get me some rest.

MS SE found no threats, Process Explorer Current Commit grew to 12 GB from 7.4 GB at start of MS SE scan, Commit Charge 42%, own commit charge 4.9%, Physical Usage 39%, Own Physical usage 17%.

Machine has now set unused, but connected to internet websites for 8 hours. Process Explorer Current Commit grew to 28.5 GB from 12 GB 8 hours after MS SE scan finished, Commit Charge 92%, own commit charge 4.8%, Physical Usage 68%, Own Physical usage 18%. Physical usage volume is 5.1 GB. Physical Memory usage has increased 75% for 8 hours of no use other than internet connection and getting websites feeds. Task Manager reports Physical Memory at 68%, Resource Monitor reports 37% Used Physical Memory. Highest individual Commit is IE at 351,210 KB, MsMpEng second at 203,220.

This is a recently sold Dell Machine, that came with Trend Micro Shield (AV and firewall), Dell also recommended and sold McAfee to be added (not displace TMS), Memory leak symptoms was present before McAfee was installed. I have seen recommendations to install MS SE and did so yesterday and ran a full clean scan. This morning's 8 hour idle period with a 75% Physical Memory leak proves MS SE is not preventing the source of the problem. I had a period with just TMS, before even McAfee was installed that exhibited similar memory leakage. From this I am inferring these AVs are not the true isssue I am chasing. I'll uninstall McAfee.


Run speed is not my issue, Normally the I5 CPU is at or below 10%. I have shutoff TMS and McAfee but not uninstalled them and left MSSE running.
My System SpecsSystem Spec
16 Oct 2010   #19
logicearth

Windows 10 Pro (x64)
 
 

Quote   Quote: Originally Posted by millerd1 View Post
...
This is a recently sold Dell Machine, that came with Trend Micro Shield (AV and firewall), Dell also recommended and sold McAfee to be added (not displace TMS), Memory leak symptoms was present before McAfee was installed. I have seen recommendations to install MS SE and did so yesterday and ran a full clean scan. This morning's 8 hour idle period with a 75% Physical Memory leak proves MS SE is not preventing the source of the problem. I had a period with just TMS, before even McAfee was installed that exhibited similar memory leakage. From this I am inferring these AVs are not the true isssue I am chasing. I'll uninstall McAfee.


Run speed is not my issue, Normally the I5 CPU is at or below 10%. I have shutoff TMS and McAfee but not uninstalled them and left MSSE running.
You should probably uninstall Trend Micro and McAfee for the time being. McAfee especially, it is so full of issues its not even funny.
My System SpecsSystem Spec
16 Oct 2010   #20
millerd1

Windows 7 version6.1 build 7600, 64 bit, MS Office 21010
 
 

McAfee is uninstalled. Serial attempt to uninstall TMS is getting "windows operating system error has stopped the program" I must restart before trying again.

I have trying to set up H2SO4's suggested log, having problem getting elevated to admin mode, but since I am the owner I should have no issues. Been a while since I wrote DOS code. Can you advise how to elevate into admin?

By 8PM 10/17 the task manager commit (GB) hit 56 /56, this screen flicked 10-15 then the machine locked up in a black screen and required a forced reboot to gain control. Yahoo email, two adobe flash session website and one java script graph were running when it hit the commit limitation.
My System SpecsSystem Spec
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