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Old 05-03-2021, 07:02 AM   #1
ttomika
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Default Reaper Crash on opening project

Dear Everybody,

Since I couldn't find any support of Reaper I try to get help here, maybe the developers also this forum.

Reaper crashes regularly (unfortunately not every single time) when I open a project with some VSTs (most of the time Amplitube 5 from IK Multimedia, since I use this VST the most). I attached a simple project that reproduces the problem. The project doesn't refers any audio or midi item, only contains some tracks with Amplitube 5 VST3 FX. Reaper died 4 times from the last 5 when I tried to open this project.

It clearly visible that the problem occures when Reaper loads the VST, so for long time I thought it is a VST problem, but recently I use the same Amplitube VST in Cakewalk by Bandlab without any problem. (The only problem that I don't like Cakewalk since I get used to Reaper in the last 6 years and I would like to use it in the future also, but the regular crashes makes it impossible.)

I tried almost every possible VST settings combinations in Reaper preferences with no luck.

My PC is a Windows 10 Pro 64bit on i5-10600 with 128GB RAM.
The problem with attached project loading is

reaper.exe
6.2.8.0
60819898
ntdll.dll
10.0.19041.928
9bed63d6
c0000374
00000000000ff0b9
5098
01d740209b6b2eab
C:\Program Files\REAPER (x64)\reaper.exe
C:\Windows\SYSTEM32\ntdll.dll
4119e3f6-778c-42e5-9788-89b3123e3e1f

according to system event log.

I also have several minidump (.dmp) file from Windows' crashdump directory if it helps for the developers. Just say and I upload them wherever you want (size 7-20MB each file).

Please somebody say something about it, because this problem makes the program (that I paid for) unusable for me.

Best Regards,
Tom

PS.: I also tried earlier versions of Reaper even the last release of the 5 series. The result is the same.
Attached Files
File Type: rpp rb.rpp (58.2 KB, 168 views)

Last edited by ttomika; 05-03-2021 at 07:04 AM. Reason: forget something
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Old 05-03-2021, 11:47 PM   #2
ivansc
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Loaded you rpp and apart from Amplitube 5 seemingly taking a lot longer tho load than usual, it all worked fine for me.
Incidentally, welcome to the forums!
You are indeed correct, the majority of probles, suggestions, gripes, etc., DO get handled on here, plus Justin and Schwa (the two main developers) do keep an eye out on here pretty much all the time. However there is also support@cockos.com available if you really get stuck.

My suggestion to start reducing possible areas where the problem could be would be to install a fresh reaper and check the "portable install" button when you do so.
This will create a new, clean install, without affecting your existing one, into which you can try loading the problem project.

However, I suspect you`ll see a lot of other comments & suggestions on this.

One good possibility is that this could be being affected by a recent update to your video card driver.
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Old 05-04-2021, 01:07 AM   #3
ttomika
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Default Still crashing

First of all thank you for responding.

Unfortunately I have to say that the problem is not solved yet since as I wrote I tried several different versions of Reaper with full uninstall and reinstall of course. I also tried the Portable Install option.

I've also tried to detect the video card driver issue: I tried using only Intel integrated VGA and later disabled this from BIOS and used only my Geforce GTX card. The problem occured in both cases (not every time as I wrote but multiple times in both configuration). I can hardly imagine that the same driver issue takes place in both nVidia and Intel drivers and I really don't know that if it is a driver issue why causes only this application to crash only when loading VSTs.

May I ask you if you tried to load the attached project multiple times? According to my experiences it sometimes happens for multiple times in a row and later works correctly for a while then crashes again.

I managed to capture the problem (with another project) in Visual Studio 2019 so I have a full memory dump of 1.8GB if you are interested.

The problem in that case was:

Unhandled exception at 0x00007FFCC6D269A8 (AmpliTube 5.vst3) in reaper.exe: 0xC0000005: Access violation writing location 0x000000006E3D2000.

AmpliTube 5.vst3!00007ffcc6d269a8() Unknown
AmpliTube 5.vst3!00007ffcc74a153d() Unknown
AmpliTube 5.vst3!00007ffcc749ee7d() Unknown
AmpliTube 5.vst3!00007ffcc7219721() Unknown
AmpliTube 5.vst3!00007ffcc77fb618() Unknown
AmpliTube 5.vst3!00007ffcc745dab5() Unknown
AmpliTube 5.vst3!00007ffcc708d020() Unknown
AmpliTube 5.vst3!00007ffcc7214715() Unknown
AmpliTube 5.vst3!00007ffcc70967c5() Unknown
AmpliTube 5.vst3!00007ffcc7095372() Unknown
AmpliTube 5.vst3!00007ffcc7103c97() Unknown
AmpliTube 5.vst3!00007ffcc6ff4b15() Unknown
AmpliTube 5.vst3!00007ffcc6ff441b() Unknown
AmpliTube 5.vst3!00007ffcc6f986a1() Unknown
AmpliTube 5.vst3!00007ffcc6f5de56() Unknown
AmpliTube 5.vst3!00007ffcc6f145f5() Unknown
AmpliTube 5.vst3!00007ffcc6f13d30() Unknown
AmpliTube 5.vst3!00007ffcc6c82040() Unknown
AmpliTube 5.vst3!00007ffcc6c7d84e() Unknown
AmpliTube 5.vst3!00007ffcc6c872ec() Unknown
reaper.exe!000000014002f5af() Unknown
reaper.exe!00000001408a1bfb() Unknown
reaper.exe!000000014039d97b() Unknown
reaper.exe!00000001403bec19() Unknown
reaper.exe!00000001403cdf1b() Unknown
reaper.exe!00000001407e4fdf() Unknown
reaper.exe!00000001405fb1ae() Unknown
reaper.exe!00000001405f5fee() Unknown
reaper.exe!00000001405f4298() Unknown
reaper.exe!00000001402431e7() Unknown
reaper.exe!0000000140241c99() Unknown
reaper.exe!00000001401e149a() Unknown
reaper.exe!00000001402617cb() Unknown
reaper.exe!00000001403dd28a() Unknown
reaper.exe!00000001403e6e00() Unknown
reaper.exe!0000000140409190() Unknown
user32.dll!00007ffd3ee72920() Unknown
user32.dll!00007ffd3ee720c2() Unknown
user32.dll!00007ffd3eeb9ed9() Unknown
user32.dll!00007ffd3ee6e858() Unknown
user32.dll!00007ffd3ee6e299() Unknown
reaper.exe!00000001404045a5() Unknown
reaper.exe!00000001408ed751() Unknown
kernel32.dll!00007ffd3f477034() Unknown
ntdll.dll!00007ffd401c2651() Unknown

Please let me know if I can help somehow.

Best Regards,
Tom

Last edited by ttomika; 05-04-2021 at 01:37 AM. Reason: forget something
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Old 05-06-2021, 08:26 AM   #4
ttomika
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As I noticed that an opened project can crash on duplicating track containing Amplitube 5 VST the problem seems to simply reproducable.
Open the project I uploaded earlier then (if not crashed already) select all tracks and duplicate them. Repeat if necessary.

I've produced some other dumps with heaps if anybody interested. The problem seems to be heap corruption.

As I see the more track having Amplitube 5 VST the greater chance the program crashes.
I don't know how the VST loading is implemented but maybe Amplitube 5 VST cannot be loaded/initialized parallel.

Is there a way to force Reaper to run in single thread only? Just for a try. (I've set the audio processing thread count to 0 but still crashing.)
Since I cannot open my Reaper projects I use Cakewalk with Amplitube 5 without any problems, so there must be a way to handle this.

Best Regards,
Tom
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Old 05-06-2021, 07:17 PM   #5
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You can restrict Reaper to use as few threads as you want in Preferences/Buffering.
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Old 05-06-2021, 08:33 PM   #6
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I found that and set to 0 but still crashing on plugin load.
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Old 05-09-2021, 09:50 PM   #7
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I thought I just read some news about Amplitube 5. They may have updated it. Worth a check.
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Old 05-10-2021, 12:25 AM   #8
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I have already checked. No change.
As I already mentioned the problem does not occure using other DAW.
(I've created a project in Cakewalk with 128 Amplitube 5 inserted tracks without any problem. It took some time and ate up 84 GB of RAM but works flawlessly.)
I already found a way to load my old Reaper projects in safe mode igoring all plugins then make plugins online one by one.
It is very time consuming but works. It ensures me that there is some kind of timing/thread handling problem in the background.

Last edited by ttomika; 05-10-2021 at 12:45 AM.
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Old 05-10-2021, 01:34 AM   #9
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O.P.: The suggestion re video card was based on problems I and many others have experienced (not just in Reaper) by the full install of GeForce software messing things up, epsecially if WIndows kindly did the update for you!

Uninstall the Full GeForce stuff and then re-install using JUST the video drivers, none of the bells & whistles.
I am not saying it IS this, just that it is a fairly obvious candidate, especially since in my case it messed things up whether I was actually using the GeForce or the built-in Intel stuff on my computer,too.

What sort of results did you get from downloading & running resplendence.com`s latency checker, btw?
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Old 05-10-2021, 01:46 AM   #10
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As I wrote in my second post of this thead I tried to avoid video card driver problem in 3 different ways:
1. Using Intel Integrated VGA with nVidia simultaneously (this was my default setup)
2. Deleting and reinstalling nVidia drivers (provided by Windows only) using only the nVidia card (Intel disabled in BIOS - using this configuration now) and
3. Using only Intel Integrated Video without nVidia Card.

The problem persists in all configurations.

I did not know anything about resplendence.com latency checker but I also tried loading project with setting Reaper to Dummy Audio to avoid audio driver issues. The program crashed using only Dummy Audio also.

After this do you think I should check my latency? I do it if you think it can be useful somehow.

Last edited by ttomika; 05-10-2021 at 02:00 AM.
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Old 05-10-2021, 01:58 AM   #11
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Here are the results of Latency monitor:

__________________________________________________ __________________________________________________ _____
CONCLUSION
__________________________________________________ __________________________________________________ _____
Your system appears to be suitable for handling real-time audio and other tasks without dropouts.
LatencyMon has been analyzing your system for 0:02:01 (h:mm:ss) on all processors.


__________________________________________________ __________________________________________________ _____
SYSTEM INFORMATION
__________________________________________________ __________________________________________________ _____
Computer name: WHISPER
OS version: Windows 10, 10.0, version 2009, build: 19042 (x64)
Hardware: MS-7C75, Micro-Star International Co., Ltd.
CPU: GenuineIntel Intel(R) Core(TM) i5-10600 CPU @ 3.30GHz
Logical processors: 12
Processor groups: 1
RAM: 130993 MB total


__________________________________________________ __________________________________________________ _____
CPU SPEED
__________________________________________________ __________________________________________________ _____
Reported CPU speed: 3312 MHz

Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


__________________________________________________ __________________________________________________ _____
MEASURED INTERRUPT TO USER PROCESS LATENCIES
__________________________________________________ __________________________________________________ _____
The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.

Highest measured interrupt to process latency (µs): 171,0
Average measured interrupt to process latency (µs): 2,943919

Highest measured interrupt to DPC latency (µs): 153,0
Average measured interrupt to DPC latency (µs): 0,965831


__________________________________________________ __________________________________________________ _____
REPORTED ISRs
__________________________________________________ __________________________________________________ _____
Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs): 140,158816
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Highest reported total ISR routine time (%): 0,017160
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Total time spent in ISRs (%) 0,018354

ISR count (execution time <250 µs): 14525
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 0
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 µs): 0
ISR count (execution time >=4000 µs): 0


__________________________________________________ __________________________________________________ _____
REPORTED DPCs
__________________________________________________ __________________________________________________ _____
DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

Highest DPC routine execution time (µs): 233,555556
Driver with highest DPC routine execution time: CLASSPNP.SYS - SCSI Class System Dll, Microsoft Corporation

Highest reported total DPC routine time (%): 0,029268
Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.

Total time spent in DPCs (%) 0,070922

DPC count (execution time <250 µs): 569487
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 0
DPC count (execution time 1000-2000 µs): 0
DPC count (execution time 2000-4000 µs): 0
DPC count (execution time >=4000 µs): 0


__________________________________________________ __________________________________________________ _____
REPORTED HARD PAGEFAULTS
__________________________________________________ __________________________________________________ _____
Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.

NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.

Process with highest pagefault count: teams.exe

Total number of hard pagefaults 3875
Hard pagefault count of hardest hit process: 3694
Number of processes hit: 11


__________________________________________________ __________________________________________________ _____
PER CPU DATA
__________________________________________________ __________________________________________________ _____
CPU 0 Interrupt cycle time (s): 3,595730
CPU 0 ISR highest execution time (µs): 140,158816
CPU 0 ISR total execution time (s): 0,266883
CPU 0 ISR count: 14525
CPU 0 DPC highest execution time (µs): 199,858092
CPU 0 DPC total execution time (s): 0,681117
CPU 0 DPC count: 282719
__________________________________________________ __________________________________________________ _____
CPU 1 Interrupt cycle time (s): 2,496868
CPU 1 ISR highest execution time (µs): 0,0
CPU 1 ISR total execution time (s): 0,0
CPU 1 ISR count: 0
CPU 1 DPC highest execution time (µs): 16,348430
CPU 1 DPC total execution time (s): 0,000094
CPU 1 DPC count: 21
__________________________________________________ __________________________________________________ _____
CPU 2 Interrupt cycle time (s): 2,495062
CPU 2 ISR highest execution time (µs): 0,0
CPU 2 ISR total execution time (s): 0,0
CPU 2 ISR count: 0
CPU 2 DPC highest execution time (µs): 148,742754
CPU 2 DPC total execution time (s): 0,035104
CPU 2 DPC count: 6767
__________________________________________________ __________________________________________________ _____
CPU 3 Interrupt cycle time (s): 2,474616
CPU 3 ISR highest execution time (µs): 0,0
CPU 3 ISR total execution time (s): 0,0
CPU 3 ISR count: 0
CPU 3 DPC highest execution time (µs): 84,773551
CPU 3 DPC total execution time (s): 0,000887
CPU 3 DPC count: 119
__________________________________________________ __________________________________________________ _____
CPU 4 Interrupt cycle time (s): 1,918142
CPU 4 ISR highest execution time (µs): 0,0
CPU 4 ISR total execution time (s): 0,0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 85,785024
CPU 4 DPC total execution time (s): 0,010059
CPU 4 DPC count: 1725
__________________________________________________ __________________________________________________ _____
CPU 5 Interrupt cycle time (s): 2,133366
CPU 5 ISR highest execution time (µs): 0,0
CPU 5 ISR total execution time (s): 0,0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 73,126208
CPU 5 DPC total execution time (s): 0,000991
CPU 5 DPC count: 316
...

I removed the remaining vCPU data bc it was too long for posting
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Old 05-10-2021, 02:23 AM   #12
ttomika
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Now I tried with Microsoft Generic Display Driver also.
Still crashing.
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Old 05-10-2021, 03:01 PM   #13
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Default AmpliTube 5

I'm running Reaper 6.28 on a Windows 10 machine, and I've also run into the same problem of Reaper closing when it tries to load the AmpliTube 5 VST.

Time to roll back to AmpliTube 4 until this bug ("feature?") is fixed?
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Old 05-11-2021, 12:47 AM   #14
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I've been using Reaper with Amplitube 4 for years and that combination was not perfect also. Regularly crashed on full speed rendering. I had set realtime on rendering which was annoying but usable. I was totally sure that that's a bug in Amplitube I hoped that new version will be better. I was wrong. My only reason is I try to get help here that Cakewalk by Bandlab seems to work fine with IK's plugins.
Since I'm not totally sure I wrote to IK's support, but got no reply yet.
I'll try Studio One 5 to see if that likes Amplitube 5 or not.
What I don't understand is that I wrote that I have dumps and developers doesn't seems to be interested. When one of my programs crashes I always check dumps if available, they are quite useful in general.

Last edited by ttomika; 05-11-2021 at 01:18 AM.
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Old 05-11-2021, 06:49 AM   #15
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I wiped my drive and installed an empty Windows 10.
Installed only Windows updates, ASIO audio driver, Reaper and IK Multimedia VSTs.
Reaper crashed on opening project :/
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Old 05-11-2021, 10:24 PM   #16
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I've read a lot of forum posts about Amplitube 5 crashes in different DAWs even under macOS and Cakewalk also crashed once so I wrote to IK Multimedia support again. Seeing that every single crash occures in some of Amplitube 5's method call it seems to be IK's fault just Reaper makes it happen very often while Cakewalk almost never.

I've heard that Cockos is way more responsive/flexible and Reaper has a lot of options to workaround plugin problems so I've tried to get help here also.

Since I'm also a developer I know that there is no perfect software but this is totally unusable for me and I really don't know what to do.

The most frustrating is that I haven't got any answers to my mails from any support neither from Cockos nor from IK. It seems to me that only some helpful people are interested not the those who received my money :/ (what was not a little in case of IK).
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Old 05-12-2021, 12:43 AM   #17
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For a final try I've stripped down one of my unopenable projects removing audio and every non Ampitube 5 plugin.
It crashes for me almost every time I try to load.

If anybody interested ...
Attached Files
File Type: rpp ikb.rpp (240.4 KB, 143 views)
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Old 05-12-2021, 03:57 PM   #18
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Quote:
Originally Posted by ttomika View Post
For a final try I've stripped down one of my unopenable projects removing audio and every non Ampitube 5 plugin.
It crashes for me almost every time I try to load.

If anybody interested ...
It takes a little time to load, but everything seems ok. Tested on reaper 6.28 windows 10 20H2. Amplitube 5 version is 5.0.3
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Old 05-12-2021, 06:55 PM   #19
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Default REAPER 6.28 64-bit crashes when booting AmpliTube 5

I'm running Windows 10 Pro v. 2004 64-bit
OS build: 19041.948
Windows Feature Experience Pack 120.2212.551.0

AmpliTube 5 VST3 v. 5.0.2



Log Name: Application
Source: Windows Error Reporting
Date: 5/10/2021 3:56:25 PM
Event ID: 1001
Task Category: None
Level: Information
Keywords: Classic
User: N/A
Computer: [Name]

Description:
Fault bucket 2226716701039527293, type 4
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P1: reaper.exe
P2: 6.2.8.0
P3: 60819898
P4: ntdll.dll
P5: 10.0.19041.928
P6: 9bed63d6
P7: c0000005
P8: 000000000002faad
P9:
P10:
Attached Images
File Type: jpg Reaper failed while loading project - May 2021.jpg (39.3 KB, 186 views)
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Old 05-13-2021, 12:07 AM   #20
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Quote:
Originally Posted by Daodan View Post
It takes a little time to load, but everything seems ok. Tested on reaper 6.28 windows 10 20H2. Amplitube 5 version is 5.0.3
May I ask you if you tried to load it multiple times?
Because as I said it is not crashing every single time. But on my PC I'm lucky if 1 from 10 is successfull.

Last edited by ttomika; 05-13-2021 at 04:58 AM.
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Old 05-13-2021, 07:01 AM   #21
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Since then I downloaded the trial version of Presonus Studio One 5.
I seems to work flawlessly with 16 tracks of Amplitube 5 plus some midi instrument channels.
Reaper still crashing.
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Old 05-14-2021, 04:16 AM   #22
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I know it is quite embarassing writing to myself but maybe ...

I reconstructed a project in Studio One 5 that almost impossible to open in Reaper.
It was quite hard since the routing, automation and MIDI track handling is quite different but I've finally managed to recreate the song.
It works perfectly, opening, closing, exporting. Seems like I can do nothing to make Studio One 5 to crash despite many tracks using Amplitube 5 (and other IK multimedia VSTs).

Since Reaper crashes mainly at loading multiple VSTs in a bunch, my guess (without knowing VST API) is that some memory that has been used to initialize VSTs are freed or reused by Reaper but later Amplitube 5 tries to access that memory area and this leads to application crash.

It is just a guess but maybe worth to check.
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Old 05-14-2021, 05:51 AM   #23
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Quote:
Originally Posted by ttomika View Post
May I ask you if you tried to load it multiple times?
Because as I said it is not crashing every single time. But on my PC I'm lucky if 1 from 10 is successfull.
Yes, it's like 10/10.
Have you tried load this project in clear portable reaper?
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Old 05-14-2021, 07:44 AM   #24
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Quote:
Originally Posted by Daodan View Post
Yes, it's like 10/10.
Have you tried load this project in clear portable reaper?
Ivansc suggested this at 05-04-2021, 08:47 AM and yes I've tried.
I also tried it after fresh install of Windows.

Same result.
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Old 05-17-2021, 01:20 AM   #25
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Default Finally can reproduce the problem

OK, if anybody interested after a month I think I've finally found it.
I'm almost totally sure that it is a bug in Amplitube 5 (copy protection and/or some paid gear handling).

I've created a Hyper-V virtual machine with Windows 10 64 bit Pro and it's latest updates installed only. Then installed Reaper 64 bit portable and IK Product Manager.
With IK Product Manager I installed Amplitube 5 (and some other IK stuff that I removed later since those did not seem to be correlated).

So I tried to open previously sent project -> Crash
Unauthorized Amplitube 5 -> Project successfully opens
Authorized Amplitube 5 -> Crash on opening project
Unauthorized Amplitube 5 -> Project successfully opens
Authorized Amplitube 5 -> Crash on opening project

I'll send this information to IK's support also but I'm afraid that it'll be a long time to fight through the automated and incompetent front line of the support. (No offense just a tip based on my last years experiences.) I'm afraid there is a chance that I won't succeed, so wish me luck.

If anybody here at Cockos interested and wants to help, please contact me!
Maybe IK has more willing to negotiate with the creators of a popular DAW than an end user. I have several crash dumps, videos and the virtual PC that can reproduce the problem.

Best Regards,
Tom

Last edited by ttomika; 05-17-2021 at 02:15 AM.
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Old 05-20-2021, 08:52 AM   #26
ttomika
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Default IK accepted the bug

Just a short status update if anybody interested.

After a several e-mail and a TeamViewer session of IK Multimedia's support I successfully reached the point where they accepted it as a bug of Amplitube 5.

The attached picture is the proof

Sorry to bother you with this but I'm very happy now. It took most of my free time in the last month to figure out how it can be easily reproduced to prove that is a software failure and has to be fixed.

Now we have to wait only for the next bugfix release.
Hope that will be better (fingers crossed).

Best Regards,
Tom

PS.: I'm sorry if I annoyed the Reaper's team lately
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Old 05-20-2021, 07:21 PM   #27
Tau Zero II
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Just a short status update if anybody interested.

After a several e-mail and a TeamViewer session of IK Multimedia's support I successfully reached the point where they accepted it as a bug of Amplitube 5.

The attached picture is the proof
Tom,

Thanks for your persistence. I had some other outside distractions and couldn't follow through.

Cheers,
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Old 05-20-2021, 11:42 PM   #28
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Well done! Persaeverance pays off.

I was beginning to wonder if you had some flaky memory, so it`s nice to see that YOU are totally in the clear.
Also impressed that you managed to get IKMM customer support to promise you actual support!
My experience with them has not been good over the years.
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Old 05-20-2021, 11:58 PM   #29
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Well done! Persaeverance pays off.

I was beginning to wonder if you had some flaky memory, so it`s nice to see that YOU are totally in the clear.
Also impressed that you managed to get IKMM customer support to promise you actual support!
My experience with them has not been good over the years.
I was afraid also as I wrote earlier but since I could reproduce it on 3 different machine I was quite confident that I'm right.

I never contacted IK's support earier but I had terrible experiences with Cyberlink Customer Support. (That member of CL's support which I've contacted had absolutely zero knowledge about MPEG and lossy compression basics in general. I could not make them to accept as bug that PowerDirector cannot write 113 minutes of video on regular 120 min DVD disk. The worst support I've ever talked with.)

By the way in this case Reaper was a big help since it crashed almost every time in certain circumstances while Cakewalk and Studio One produced only a couple random crashes. I guess those have another kind of memory management.

It may sound a bit silly but I'm quite satisfied now Hope IK's developers will find the cause of the memory corruption soon that can be quite hard to find especially in native codes.

Thanks for your support.

Tom

Last edited by ttomika; 05-21-2021 at 01:52 AM.
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Old 02-15-2022, 12:17 PM   #30
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I was afraid also as I wrote earlier but since I could reproduce it on 3 different machine I was quite confident that I'm right.

I never contacted IK's support earier but I had terrible experiences with Cyberlink Customer Support. (That member of CL's support which I've contacted had absolutely zero knowledge about MPEG and lossy compression basics in general. I could not make them to accept as bug that PowerDirector cannot write 113 minutes of video on regular 120 min DVD disk. The worst support I've ever talked with.)

By the way in this case Reaper was a big help since it crashed almost every time in certain circumstances while Cakewalk and Studio One produced only a couple random crashes. I guess those have another kind of memory management.

It may sound a bit silly but I'm quite satisfied now Hope IK's developers will find the cause of the memory corruption soon that can be quite hard to find especially in native codes.

Thanks for your support.

Tom
Hi Tom,

I have similar problems... and I'm on the newest version of Reaper & Amplitube 5. Do you know if there was an update by IK solving this bug?

...and thanks for the whole work you invested! I know how time consuming such things can be and if I didn't found this thread I maybe had to do all those analysis work by myself :-)

Cheers,
Torsten
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Old 02-15-2022, 01:01 PM   #31
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Hi Tom,

I have similar problems... and I'm on the newest version of Reaper & Amplitube 5. Do you know if there was an update by IK solving this bug?

...and thanks for the whole work you invested! I know how time consuming such things can be and if I didn't found this thread I maybe had to do all those analysis work by myself :-)

Cheers,
Torsten
Unfortunately IK sent me no information about fixing this bug but I must admit that it occures much rarely nowadays. As I see it depends somehow on the used buffer size so I when it crashes I try different buffer sizes and after 2-3 different try I can manage to render a project. (I've found the bigger buffer the more probability to crash, so smaller buffer is better but slower to render :/)

So it is still clearly buggy but I don't have time to fight with IK's support.
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Old 02-17-2022, 01:09 AM   #32
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Unfortunately IK sent me no information about fixing this bug but I must admit that it occures much rarely nowadays. As I see it depends somehow on the used buffer size so I when it crashes I try different buffer sizes and after 2-3 different try I can manage to render a project. (I've found the bigger buffer the more probability to crash, so smaller buffer is better but slower to render :/)

So it is still clearly buggy but I don't have time to fight with IK's support.
Thanks! It's not that often for me, too. But sometimes unexpected and like always in a moment you didn't save before :-(

I think, I'll ask IK and point them to this thread.
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Old 09-23-2022, 09:34 AM   #33
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This is happening to me now- weird part is that I can open reaper- put A5 VST on a single track and it'll work. Put VST3 A5 on single track- immediate crash. I can't load half of my projects right now- did you ever find a way to make it work properly?
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Old 09-28-2022, 02:18 AM   #34
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This is happening to me now- weird part is that I can open reaper- put A5 VST on a single track and it'll work. Put VST3 A5 on single track- immediate crash. I can't load half of my projects right now- did you ever find a way to make it work properly?

It got better and better over the time. I'm always using the VST3 version. Crashes are indeed very seldom for me now, but I still have the habit to press save before I copy Amplitube 5 from track to track ;-) Maybe, it's since I'm just using the Cab/Micing section for my real amps/Torpedo and deactivate amps and so on...
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Old 12-04-2023, 09:47 AM   #35
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Hey, so I encountered this issue recently, and was successfully able to resolve it. I was seeing Reaper crash instantly on startup, the project I was opening was small and only had one guitar track in there with one fx (Amplitube), and I'd recently updated Amplitube so I knew it was surrounding something to do with Amplitube. I also confirmed I could still open empty projects.

When I installed Amplitube, I think I put the VSTs in a custom location. Which meant after the update, there are multiple VSTs with the exact same name. So the solution was simply to delete the VSTs from the old installation, and then the next time I launched there was no crashes.

Hope it helps if you're scouring the net for how to fix this
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Old 02-11-2024, 09:57 PM   #36
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Default 3 years later and nothing changed

Im having the exact same problem as OP. Windows 11, Reaper 7, Amplitube 5. Project gets corrupted when duping a track containing Amplitube or project just won't load properly and Reaper just crashes. Very annoying and time consuming. I contacted IK support but they argue they cannot reproduce the issue. Anyone nowadays experiencing the same? Anyone know any definitive fixes?
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