Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread Christian Goetz

Try http://www.sysinternals.com/ntw2k/source/regmon.shtml to get the name and 
value of the registry entry. (or maybe anyone knows what's going wrong)

Greetings,

Mohk

Am Mittwoch, 17. Juli 2002 03:34 schrieb A  T Schrum:
 Hi Folks,

 I didn't find a reference to this problem. My old PentiumMMX 200 Mhz box
 running Win95 OSR2 (with tons of patches) now has Prime95 2.26.1 on it
 and it runs reasonably faster (about 20ms faster at 768K FFT size). But
 upon startup, Prime95 reports Can't write registry value and continues
 on. Should I be concerned?

 Thanks,

 -Allan

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Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread George Woltman


At 09:34 PM 7/16/2002 -0400, A  T Schrum wrote:
I didn't find a reference to this problem. My old PentiumMMX 200 Mhz box 
running Win95 OSR2 (with tons of patches) now has Prime95 2.26.1 on it and 
it runs reasonably faster (about 20ms faster at 768K FFT size). But upon 
startup, Prime95 reports Can't write registry value and continues on. 
Should I be concerned?

I doubt it.  Prime95 should be trying to create a registry entry to run the
program at bootup.  If you uncheck the Options/Start at Bootup menu item
the problem should go away.

I'm curious though.  Do other Win95 users have the same trouble?

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Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread A T Schrum

No go. The box was unchecked. I checked it, restarted Prime95, and the 
error message was not there. So I unchecked it, restarted Prime95, and 
the error message came back.

George Woltman wrote:


 At 09:34 PM 7/16/2002 -0400, A  T Schrum wrote:

 I didn't find a reference to this problem. My old PentiumMMX 200 Mhz 
 box running Win95 OSR2 (with tons of patches) now has Prime95 2.26.1 
 on it and it runs reasonably faster (about 20ms faster at 768K FFT 
 size). But upon startup, Prime95 reports Can't write registry value 
 and continues on. Should I be concerned?


 I doubt it.  Prime95 should be trying to create a registry entry to 
 run the
 program at bootup.  If you uncheck the Options/Start at Bootup menu item
 the problem should go away.

 I'm curious though.  Do other Win95 users have the same trouble?





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Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread Steve Harris

Sounds like the opposite problem: Prime95 is trying to delete a registry
entry that doesn't exist. I had one do that to me recently. Rather than
uncheck the box, manually edit ( in prime.ini ) the line windows service=1
(or whatever line it has to that effect) to ...=0 and it will no longer
see a need to try to delete the registry entry. And the box will now show as
unchecked.

Hope that helps,
Steve Harris

-Original Message-
From: A  T Schrum [EMAIL PROTECTED]
Date: Wednesday, July 17, 2002 5:26 PM



No go. The box was unchecked. I checked it, restarted Prime95, and the
error message was not there. So I unchecked it, restarted Prime95, and
the error message came back.

George Woltman wrote:


 At 09:34 PM 7/16/2002 -0400, A  T Schrum wrote:

 I didn't find a reference to this problem. My old PentiumMMX 200 Mhz
 box running Win95 OSR2 (with tons of patches) now has Prime95 2.26.1
 on it and it runs reasonably faster (about 20ms faster at 768K FFT
 size). But upon startup, Prime95 reports Can't write registry value
 and continues on. Should I be concerned?


 I doubt it.  Prime95 should be trying to create a registry entry to
 run the
 program at bootup.  If you uncheck the Options/Start at Bootup menu item
 the problem should go away.

 I'm curious though.  Do other Win95 users have the same trouble?





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Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread George Woltman


At 06:01 PM 7/17/2002 -0400, A  T Schrum wrote:
No go. The box was unchecked. I checked it, restarted Prime95, and the 
error message was not there. So I unchecked it, restarted Prime95, and the 
error message came back.

I reactivated an old Win98 box for debugging.  You are correct.  The
error message is harmless.  I've got a fix ready for download at
ftp://mersenne.org/p95v227.zip

The only new feature a v22.7 is SSE2 based trial factoring for factors
above 2^64.  It is about 4 times faster than v22.6.  Since most P4 users
are getting assigned prefactored exponents, the speedup is of no value.
However, if you are working on 10 million digit numbers, you may get
assigned a number that needs factoring and the new code will certainly help.


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Re: Mersenne: Error message from prime95 on an old Win95 box

2002-07-17 Thread A T Schrum

Hi Steve,

My current prime.ini has Windows95Service=0, and the Win95 Service box 
is not checked. However, whenever the program starts, it gives me the 
Can't write registry value error. I looked into the latest source 
(source22.zip) and I see that for Win95 systems, it seems to always try 
to delete the key:

HKEY_LOCAL_MACHINE\ Software\ Microsoft\ CurrentVersion\ RunServices\ 
Prime95

but cannot because it is not there (as you said). This is in the routine 
Service95(). But this is not supposed to be called unless Prime95 is 
setup as a Windows service.

For some reason, on my Win95 box, Service95() is always called. I tried 
deleting the Windows95Service option from prime.ini, then set Prime95 to 
be a service and it properly changed the prime.ini file. I do not use 
the -A option with Prime95, so the prime.ini in the Prime95.exe 
directory is used. But whether the Windows95Service option is deleted or 
just set to zero, I still get the error. The code in Prime95.cpp looks 
fine, but I must be missing something.

But wait, there's more. Just for grins, I tried it on my Win98 SE box 
and it shows the same behavior! If I uncheck the Start at bootup box, 
restart Prime95, I get the exact same error message. So this is not a 
Win95-specific problem. I always had my Win98 box set with Start at 
bootup so I never noticed this before.

And just for more fun, I found another problem with Prime95 in how it 
operates. I have my Prime95 setup with Tray Icon. If I start Prime95, 
double-click on the icon to open Prime95, do a File- Exit real quick, 
the program hangs and stops responding to all mouse clicks. At this 
point, you must kill it. This is reproducible on my Win98 and Win95 box. 
If you wait a few more seconds before doing the File- Exit, then there 
is no problem.

Note to everyone else: None of these problems are critical to the 
operation of Prime95. They amount to minor annoyances, so please don't 
blow this out of proportion. The details I supplied are to help George 
figure this out sometime when he is looking for something to do :-)

Thanks for the air time.

Regards,

-Allan

Steve Harris wrote:

Sounds like the opposite problem: Prime95 is trying to delete a registry
entry that doesn't exist. I had one do that to me recently. Rather than
uncheck the box, manually edit ( in prime.ini ) the line windows service=1
(or whatever line it has to that effect) to ...=0 and it will no longer
see a need to try to delete the registry entry. And the box will now show as
unchecked.

Hope that helps,
Steve Harris


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Mersenne: Error message from prime95 on an old Win95 box

2002-07-16 Thread A T Schrum

Hi Folks,

I didn't find a reference to this problem. My old PentiumMMX 200 Mhz box 
running Win95 OSR2 (with tons of patches) now has Prime95 2.26.1 on it 
and it runs reasonably faster (about 20ms faster at 768K FFT size). But 
upon startup, Prime95 reports Can't write registry value and continues 
on. Should I be concerned?

Thanks,

-Allan

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