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Old 05-05-2012, 05:32   #1
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Stability problems on windows seven

Hi,

I've à lot of problem on windows seven on 3 différent PC
Opencpn works with USB GPS with pl2303 driver (i've tryed
With différent versions)
After about 20mn my com port is not accessible and nmea data are freezed
Somtimes thé PC restart alone...

I don't havé this problem with other application like ls viewer or sirfdemo

Only with Opencpn any one havé an idea ?

Thanks
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Old 05-05-2012, 05:48   #2
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Re: Stability problems on windows seven

You are not alone. OpenCpn has had this problem for years, and no one has been able to figure out how to fix it. My solution was to run windows XP on my nav computers.
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Old 05-05-2012, 06:26   #3
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Re: Stability problems on windows seven

How....

Thank for you reply i Will try..
Did you now if this issue is with version of seven?
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Old 05-05-2012, 07:11   #4
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Re: Stability problems on windows seven

I started a thread on this topic about 1-2 years ago which ran to more than 100 posts. There wasn't an internal solution, ie changes to Windows or OpenCpn settings that worked.

But XPort, a freeware com port redirection program easily solved the problem. Google it up and dowload it. Redirect your current port to something unused like Com 1. Then set OpenCpn to com 1 and you will have a solid connection.

You have to rerun XPort after each reboot, but it is a small inconventience that really works.

David
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Old 05-05-2012, 08:27   #5
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Re: Stability problems on windows seven

Thank i'll try it right now and post thé result in few hours

Could you please send me a link to your post thank
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Old 05-05-2012, 08:41   #6
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Re: Stability problems on windows seven

Check your power saving settings for the com port, in Control Panel's Hardware Manager
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Old 05-05-2012, 08:46   #7
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Re: Stability problems on windows seven

Sorry but where is this settings ?
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Old 05-05-2012, 12:23   #8
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Re: Stability problems on windows seven

START|CONTROL PANEL| choose POWER OPTIONS|for whatever plan you are using, choose CHANGE PLAN SETTINGS|choose CHANGE ADVANCED POWER SETTINGS| explore the tree to see if your USB ports are set to suspend, and change it so they don't.
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Old 05-05-2012, 12:56   #9
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Re: Stability problems on windows seven

You will find the same **** in Windows 8 (Eight) but obviously the default settings are not set to supend USB. At last it is so in the Win8 preview I have seen.
Normally an operating system is not allowed to shut down a device as long as traffic is seen on the device. But these tiny-soft people in Redmond knows nothing about operating systems...

Gerhard
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Old 06-05-2012, 01:22   #10
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Re: Stability problems on windows seven

I've tryed all your solution :
Xport and USB port power, for each it's working more longer ! 4h vs 20mn. So it's better but not ok....

Now i try with xport, usb power disabled and running opencpn in xp compatibility and with admin right (a lot of problem with vista and seven becom from permission problems...). I've started opencpn like that just now, i'll post the result in few hours...

David i don't find your thread about that? could you please post the link
thanks
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Old 06-05-2012, 01:24   #11
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Re: Stability problems on windows seven

I've tryed opencpn v 2.6 build 1624 too.... Freez my com port always (more longer too but freez always) and i've got color problems with cm93...
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