Have you tried resetting the database. With all your crashes, it could be corrupted.
WSJT will change around the soundcard device numbers when soundcards are
re-recognized. It is one of the most difficult soundcard programs to get setup
and working right.
I highly recommend that you start with a much simpler configuration and get
things working before going on to the more advanced configurations. You need
to divide and conquer.
Start out without doing any digital setup and get RX stable first. If you can
not get past this step, trying a more complex configuration will be futile.
So, reset your database. Set the sampling rate to 96 KHz, the buffer to 2048.
Make sure the Firewire driver is set for the same buffer size and verify that
you are using SafeMode1. Do *not* change any other parameters in the database.
There is a program or something on that machine that is probably interfering
with the real-time operation of your computer. You need to run the DPC checker
all the time to see what you computer is doing - before starting PowerSDR and
after. I suspect the freezes are the result of a long duration DPC. Use
DPCLAT to monitor this condition.
http://kc.flex-radio.com/KnowledgebaseArticle50058.aspx
Run this for a while and record the DPC max and average times in microseconds.
The KVM switch might be a problem, but I use one from BlackBox and I do not
have any problems with it.
-Tim
-----Original Message-----
From: flexradio-boun...@flex-radio.biz
[mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Mark Lunday
Sent: Friday, July 10, 2009 9:08 PM
To: flexradio@flex-radio.biz
Subject: [Flexradio] Venting about VAC 4 with SDR 1.18.1 (but I know I am
somehow the problem)
OK, it's Friday, I have been doing computer work all week. Maybe I need a
break, because I am out of patience. I realized something tonight: SDR
1.18.1 is a VERY stable product. You guys and gals over at Flex are amazing
people. You must have infinite patience. I see now that your time is not
spent on Flex Radio, it is spent troubleshooting Windows garbage and PC issues.
I wish I could get XP to load on this laptop, but that's another story since XP
does not recognize the disk.moving along..
In my case, I know it's probably me, but I am having a helluva time with VAC.
It causes SDR 1.18.1 to crash 50% of the time, if not at first then after 5
minutes. After crashing, I have to reboot F3K AND unplug/replug in the
Firewire connection to get SDR running again with F3K. After reboot, the VAC
settings in SDR are not where I had them last.
<SAGA THIS EVENING>
I had WSJT working last night, now it's not. No audio coming through since I
got CW skimmer working. MixW 2.18 was working last night, now it's not.
No audio coming through since I got CW skimmer working. OK, recheck
everything: CW Skimmer, set VAC to Windows-WDM-KS, Direct I/Q to VAC. MixW and
WSJT, set VAC to MME, NO direct I/Q to VAC. RATS! SDR 1.18.1 crash.
Restart. Cannot see F3K. Unplug firewire, restart F3K, plug firewire back in.
Still not working. Reboot and try again.
OK, SDR 1.18.1 working again. Let's check VAC. Wait, wrong setting in SDR for
VAC for working with MixW, needs to be MME, how did it get to Windows-WDM-KS?
Why is Direct I/Q to VAC checked? Those are CW skimmer settings. Must have
been the last SDR crash. OK, let's start MixW. OK, running. Hey cool..wait,
why did the SDR panadapter just freeze? RATS! SDR
1.18.1 crash. Restart. Cannot see F3K. Unplug firewire, restart F3K, plug
firewire back in. Cool, it's working. No need for reboot.
Let's launch MixW again. Nothing showing on the screen. Check MixW sound card
settings, everything correct (Line 2 INPUT, Line 1 OUTPUT). Wait, VAC is
disabled. Why is that? Click on VAC. RATS! SDR 1.18.1 crash. Restart.
Cannot see F3K. Unplug firewire, restart F3K, plug firewire back in. Still
not working. Reboot and try again.
OK, SDR 1.18.1 working again. SDR options. MME, ok. Line 1 should be
input.wait why is my microphone input? Change to Line 1. Line 2 output,
check. Check MixW, everything check. OK, let's click on that VAC button.
YIPPEE no crash! But nothing showing on MixW? Oh, we're in USB. I have the "DIGI
recognized as USB" check in SDR, but MixW still sends USB command when going to PSK.
OK, click on DIGI-U. OK! Now I see audio coming out on MixW! Finally. That was
challenging. But I got it and.what? Panadapter screen froze? Not even 30 seconds!
RATS! SDR 1.18.1 crash. Restart.
Cannot see F3K. Unplug firewire, restart F3K, plug firewire back in. Still
not working. Reboot and try again.
<END SAGA>
Holy crap, I have more sticky note reminders on my wall for shortcuts, I cannot even see the wall anymore.
OK ladies and gentlemen, I KNOW I am part of the problem here. This is NOT an
SDR issue. But I don't know what/why I am doing wrong. I am making this
harder than it has to be. Or.there is a very simply solution.
Something just occurred to me - I am using a KVM switch, and constantly going
back and forth between the two PC's.the one with SDR and the other with all the
logging and other programs (not connected to the rig in ay way). Could the KVM
switch (which switches over the keyboard and the mouse) be part of the problem?
IRQ 18 is the firewire, that is the only one on 18 (I triple checked).
Mark Lunday
WD4ELG
<mailto:wd4...@arrl.net> wd4...@arrl.net
<http://wd4elg.net> http://wd4elg.net
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