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Band-in-a-Box for Windows
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I notice that there have been a number of posts with "Access Violation" errors in BIAB. This post is rather lengthy but I have written it so as to give others some "food for thought" if an "Access Violation" error arises. This post may or may not solve your particular situation but it might help. I have fully documented: (a) how I produce this error; (b) how I solve it. If you simply want to get to the end result, you might like to skip to point #4, Summary. NOTE: In the below, I have used a demo style. If you try to replicate this error out of curiosity, please make sure that you save the style's demo with a new name so that you don't overwrite the existing style.Style: Burkes @ 210 bpm (a MIDI style)Using demo file modified as below- Bass: #538 – Bass, Acoustic Pop Sw 190
- Piano: MIDI
- Drums: MIDI
- Guitar: #374 – Guitar, Acoustic, Strumming Hank Sw 190
- Strings: MIDI
- Melody: as per demo file
- Soloist: #818 – Guitar, Electric, Soloist Country Classic Swing Sw 190
1. How I get the error- Load song demo for Burkes.STY and return to the chord sheet window
- Add Reatrack instruments (as above) to Bass and Guitar.
- Mute Melody.
- Use “Soloist” button to activate soloist.
- Select Realtrack #818 and generate solo in “Middle chorus only”. (When I play the song now, it sounds fine.)
- Save the song with some temporary, new name. (On my computer, a message pops up and tells me that the Soloist has been locked and that the Realtrack solo has been saved... etc. At this stage, if I unfreeze the Soloist and save the song again, the Soloist will freeze on saving. )
- Save song with the frozen Soloist.
- Exit BIAB.
- Restart BIAB and open song.
- When I try and generate the song, I get the error Access violation at address 00405F74 in module bbw.exe. Read of address 00000004 at 00405F74
- Click OK.
- Now when I try to generate the song, I get a pop-up message saying Playback generation is already in progress. Load another song if this message persists.
- If the above does not cause the problem for you, try un-checking "Soloist" under the "Freeze" icon and then save.
NOTE: If I load another song with Realtracks in it at this stage, I get now get an Access Violation error. I can load a MIDI-only song and generate it ok.2. A partial fix for the problem- Load a MIDI-only song, generate it and let it play for a few bars to check that it works. Exit BIAB.
This allows me to now load in a Realtrack files. However, the file with the saved frozen Soloist is still problematic. 3. How I get the problematic “frozen” song back- Start BIAB and load the problem song
- Right-click on “Soloist” on the menu bar and “Erase” the Soloist track.
- Save the song. At this stage, the song will still not generate for me
- Exit BIAB and restart it (after saving the song with the Soloist data erased).
- The song now plays for me.
4. Summary- Seems like my problem is caused by the Soloist's freezing when being saved and then reloaded after BIAB has been restarted.
- Unfreezing the Soloist track, erasing all data from it, saving the song and restarting BIAB allows me to load the song again without incident.
FINAL NOTE: Mostly, I can get the problem to occur (around 90% of the time) but very occasionally I cannot. I have yet to discover why this is the case.I'd be interested to know if others can produce this error or if it is mine alone! Hope this information helps. Noel.
Last edited by Noel96; 01/03/10 05:42 AM.
MY SONGS...Audiophile BIAB 2024
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Band-in-a-Box for Windows
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Journeyman
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Just as you so nicely presented, I get the same results as you did. I found that playing a midi style and exiting BiaB then re-entering it will stop the access violation problem. I did not figure out your last part on removing the soloist and re-saving the problem song (never thought to try that). But, as you stated, the problem piece will work after doing that and restarting BiaB. Thanks a million. Now PGMusic needs to work on a solution that will still allow us to save a soloist track with a RealTrack instrument playing, but for now we can at least re-generate the soloist part (though different) each time we want to play the song. Of course, the other way around that problem is to use the DAW plugin and ship it over to RealBand or DAW of your choice and then be able to keep that awesome solo you just got from the RealTrack Blues Trumpet Player. :-)
Thanks for the info!
Rich
RichR
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Band-in-a-Box for Windows
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Hi Rich,
Thank you for taking time to go through my post. I'm glad that I'm not alone!
Noel
MY SONGS...Audiophile BIAB 2024
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Band-in-a-Box for Windows
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I've been having the same problem, so I've tried your suggestions and come to the same conclusion you have - i.e. using a RealTrack on the soloist track, then freezing this track, seems to be the root cause of the problem.
Thanks for spending so much time on this - here's hoping a solution isn't too problematic!
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MY SONGS...Audiophile BIAB 2024
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Band-in-a-Box for Windows
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Please send this to support in an email, pointing to this thread even
I do not work here, but the benefits are still awesome
Make your sound your own!
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Hi Rharv - I emailed Support a few days ago and attached a song I was having problems with, so hopefully they're on the case! :-)
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Hi John,
Try disabling VSTi, unchecking the Soloist under the "Freeze" icon, regenerating the song, saving it, and restarting BIAB?
Tonight I discovered that occasionally I cannot reproduce the error. I did the above and the error returned. It might have been coincidence, though. I'd be interested to see what happens for you.
Noel
MY SONGS...Audiophile BIAB 2024
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You guys are on the case providing excellent reports and clues here.
Myself, like Silvertones, cannot duplicate this particular problem on my end *at this time* but I'd sure like to be darn good and sure that it never pops up here either, so stay on the case. Development will appreciate the hard work, I'm sure.
FWIW, I've been using Hardware MIDI synths the majority of the time, and I think Silvertones may be also. Another clue?
--Mac
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Now my friend is pulling out his hair with this.
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Sorry Noel still can't reproduce it here.
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Unless I've missed it somewhere, please post exactly how you have your system set up and what you're using for midi, audio, mme, asio, synths etc.
Bob
Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.
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Band-in-a-Box for Windows
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Noel:
Thank you for all that hard work. My results are completely consistent with yours. The problem does appear to be the real soloist. I've tried several tunes with different soloists, and the result is the same, so it does not appear to be a particular soloist file. I've also sent a file with the problem to support, so we'll see if they can resolve the issue.
If it helps, I'm running WinXP, SP3, with 2 gig RAM, plenty of room on the hard drive, ASIO using a MOTU Ultralite and Cakewalk TTS for midi sounds.
Thanks, everyone!
SaxMarc
daringharmony.com
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Quote:
....
Restart BIAB and open song.
When I try and generate the song, I get the error Access violation at address 00405F74 in module bbw.exe. Read of address 00000004 at 00405F74
...........
I'd be interested to know if others can produce this error or if it is mine alone! Hope this information helps.
Yup, reproducible here also, using different style & (Real) soloist. (Different addresses in the error message.) Using build 292, WinXP, SP3, ASIO, DXi (TTS-1) loaded.
Thanks for working this through! -RonL
Crazy idea: Buried in New Features is this simple statement: "Rendering RealTracks no longer require you to have a DXi or VST in use." (I believe that's in response to issues raised in prior version threads.) I suspect implementing it required substantial code mods, perhaps causing this bug. Just a wild guess. I tried testing with and without the DXi and/or midi driver enabled, but didn't defeat the bug.
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Both of you guys are using ASIO, try it with MME and see how it goes.
Bob
Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.
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I would like to suggest an option to disable the frozen soloist when saving the song.
I can also reproduce the problem.
/peter
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I recently found out that RealTracks is a Background Service.
Try this:
*Change Processor Scheduling to 'Background Services'
Control Panel ->System -> Advanced -> Performance Settings -> Advanced -> and set Processor Scheduling to "Background Services".
Might help, I don't know as I can't seem to duplicate this problem here at this end, but my Background Services have been set to use them as priority for a long time already. It will also help with ASIO drivers, which are a background service as well.
--Mac
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I have indeed had problems with freezing/unfreezing tracks as documented. I am using MME.
Thanks, Mac, for the suggestion. I will try the setting. Hmm...I wonder if this is why I have been having problems with ASIO stutter regardless of buffer setting?
Joel
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Silvertones/Mac It's interesting that you can't reproduce it. I had the same experience too. After two days of turning the computer on and off numerous times, I could reproduce the error at will, 100% of the time. That's when I documented the above lengthy article. Then, when I learned that Silvertones could not reproduce the error, I tried again and, blow me down, I couldn't get the error either. Strange. There were two things that I remember doing: (a) changing the VSTi; (b) having Realband open. Here's some more food for thought. This morning, again I loaded the problem file and all was well. Then, I did the following - Opened BIAB as the first and only program after startup (other than my antivirus software which has always been on)
- Turned off VSTi
- Restarted BIAB
- Regenerated the Soloist
- Unchecked the "Soloist" under the by right-clicking on the "Freeze" icon. Saved the file using "Save+" I was annoyed that the problem file worked, today, I repeated this procedure of unchecking and saving numerous times!
- Then when exiting BIAB, I had four access errors; one after the other popping up in my screen.
- I restarted BIAB, opened the file again, and it played! Now I'm really puzzled.
Somehow the shortcut "Freeze" (icon) option seems to be involved in all this but I haven't yet worked it out. The problems occurs for me on MME. I rarely use ASIO. Regards, Noel
MY SONGS...Audiophile BIAB 2024
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