Multichannel experimenter: Bugs and crashes

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Multichannel experimenter: Bugs and crashes

Post  tom-tbt on Thu Jun 08, 2017 5:31 am

Hello,
I am experiencing problems with the Multichannel experimenter.

I was using the 2.2 version
First, when I was doing recording of only analog channels, I couldn't get all my signals with a sample rate of 25k, and the weird thing is that a 10k rate worked. I thaught it should be the inverse. Is there a limitation with the analog channels ? Where do you think that this problem come from ? We use USB 3.0 cable in a USB 3.0 port, and the computer is new.

Second thing, depending on if we use the timer or manual acquisition, the frame rate was not the one we choosed. The data I got from 10k rate were shaped like 25k. With manual acquisition only I could get the 10k rate.

Third, the aquisition time displayed in the software is wrong. It change with the frame rate. I don't know how you handle it in the software but its not good when you set the recording time with the recorder.

So I updated the software to the newest version, and it works even less..... When I start the aquisition, the software crash (less often if I don't touch the sample rate, but at this point it looks more like I am cursed). I tried the reboot/uninstall-reinstall fix but it persist.

Some informations about the crash:


+ System
- Provider
[ Name] .NET Runtime
- EventID 1026
[ Qualifiers] 0
Level 2
Task 0
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2017-06-08T15:17:28.000000000Z
EventRecordID 6825
Channel Application
Computer pc-name
Security
- EventData
Application: Multi Channel Experimenter.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.FormatException at System.Number.StringToNumber(System.String, System.Globalization.NumberStyles, NumberBuffer ByRef, System.Globalization.NumberFormatInfo, Boolean) at System.Number.ParseInt32(System.String, System.Globalization.NumberStyles, System.Globalization.NumberFormatInfo) at Mcs.Device.DataSource.?(System.String, Int32) at Mcs.Usb.CMcsUsbDacqNet.ErrorCallback(IntPtr, IntPtr, Int32)

- System
- Provider
[ Name] Application Error
- EventID 1000
[ Qualifiers] 0
Level 2
Task 100
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2017-06-08T15:53:35.000000000Z
EventRecordID 6839
Channel Application
Computer pc-name
Security
- EventData
Multi Channel Experimenter.exe
2.4.4.17074
58cbbed1
KERNELBASE.dll
6.1.7601.23796
59029714
e0434352
000000000001a06d
2028
01d2e06f49eb8db1
C:\Program Files\Multi Channel Experimenter\Multi Channel Experimenter.exe
C:\Windows\system32\KERNELBASE.dll
a0a6d874-4c62-11e7-9f6f-64006a8f2a19


Please answer to my different questions. Ask for the unclear stuff.

Thanks,
Tom-tbt

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Re: Multichannel experimenter: Bugs and crashes

Post  tom-tbt on Thu Jun 08, 2017 5:37 am

Picture of the crash and system informations:



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Re: Multichannel experimenter: Bugs and crashes

Post  tom-tbt on Sun Jun 11, 2017 10:02 pm

Hello,
if you could also provide previous versions of the software it would be nice. Otherwise I have to wait for the next release...

Thanks,
Tom-tbt

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Re: Multichannel experimenter: Bugs and crashes

Post  Frank MCS on Mon Jun 12, 2017 10:12 pm

Hello,
I tried switching back and forth the sampling rate, no problems at all. Be aware that the Suite is certified for Win 8.1 and higher only, though. USB3.0 drivers (which are 3rd party) are notoriously unreliable under Win7, we repeatedly faced similar issues with Win7 PCs. Do you have the option to check the device under Win 8 or 10?

Frank MCS
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Re: Multichannel experimenter: Bugs and crashes

Post  tom-tbt on Tue Jun 13, 2017 5:31 am

Ok thanks, I will try with a windows 8. But in the doc it don't say :

One of the following Microsoft Windows operating systems is required: Windows 10, 8.1 or
Windows 7 (English and German versions supported) with the NT file system (NTFS).

Please update the doc, and specify it more clearly on the download page. But anyway I get the issue with windows 7.

Cheers,
Tom-tbt

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