blender crash opening .blend file #75015

Closed
opened 2020-03-22 17:38:19 +01:00 by sebastien C · 16 comments

System Information
Operating system: linux debian sid
Graphics card: GeForce GTX 1050 Ti

Blender Version
Broken: 2.82a
Worked: (newest version of Blender that worked as expected)

Short description of error
After performing a strip cut, opening the blend file make blender crash.
I would not know how to recover the project.

Exact steps for others to reproduce the error

  • open blender
  • load attached blend file.

Note:
tested also on windows 10, blender 2.82a, same crash behavior

movie.blend

system-info.txt

blender.crash.txt

**System Information** Operating system: linux debian sid Graphics card: GeForce GTX 1050 Ti **Blender Version** Broken: 2.82a Worked: (newest version of Blender that worked as expected) **Short description of error** After performing a strip cut, opening the blend file make blender crash. I would not know how to recover the project. **Exact steps for others to reproduce the error** - open blender - load attached blend file. **Note:** tested also on windows 10, blender 2.82a, same crash behavior [movie.blend](https://archive.blender.org/developer/F8422853/movie.blend) [system-info.txt](https://archive.blender.org/developer/F8422852/system-info.txt) [blender.crash.txt](https://archive.blender.org/developer/F8422851/blender.crash.txt)
Author

Added subscriber: @sebmi

Added subscriber: @sebmi

Added subscriber: @girafic

Added subscriber: @girafic

Reproducible also on OSX.

System Information
Operating system: Darwin-19.3.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon RX 480 OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.5.5

Blender Version
Broken: version: 2.83 (sub 10), branch: master, commit date: 2020-03-22 20:46, hash: 0c571db4ad
Broken: version: 2.82a

Reproducible also on OSX. **System Information** Operating system: Darwin-19.3.0-x86_64-i386-64bit 64 Bits Graphics card: AMD Radeon RX 480 OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.5.5 **Blender Version** Broken: version: 2.83 (sub 10), branch: master, commit date: 2020-03-22 20:46, hash: `0c571db4ad` Broken: version: 2.82a

Added subscriber: @mont29

Added subscriber: @mont29

Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'

This a corrupted file, there is a 'Speed' sequencer effect in it that does not have data, which should never happen. Unless you can provide us with a way to reproduce such file, there is not much we can do here am afraid...

This a corrupted file, there is a 'Speed' sequencer effect in it that does not have data, which should never happen. Unless you can provide us with a way to reproduce such file, there is not much we can do here am afraid...

Added subscriber: @iss

Added subscriber: @iss

Cutting probably crashed, because your file was already damaged. Can you remember what you did before that? especially if you run some scripts or addons?

I think I can recover your project(with some losses), but please look in your project directory and look for movie.blend1 file.
if it is there, you can run Blender, open file, click on filter icon and select only backup files. This file should work, question is how recent it will be.

Cutting probably crashed, because your file was already damaged. Can you remember what you did before that? especially if you run some scripts or addons? I think I can recover your project(with some losses), but please look in your project directory and look for `movie.blend1` file. if it is there, you can run Blender, open file, click on filter icon and select only backup files. This file should work, question is how recent it will be.
Author

I also tried with the blend1 file and this is the same issue.
I rebooted the PC, as I thought the issue was updated driver .... and don-t have the autosave in the /tmp/

The sequence was:

  • add speed control to the strip
  • tune the speed control
  • add speed factor: 2
  • strip duration /2

but I think this is then where the issue happened:

  • select both strips (speed control + strip)
  • press k (for cut)

delete the right part

I was working with:

  • proxy 50%
  • add-in PowerSequencer (included now in Blender 2.82)

Is there a way I can "add" to the file a value, to recover it ?

I also tried with the blend1 file and this is the same issue. I rebooted the PC, as I thought the issue was updated driver .... and don-t have the autosave in the /tmp/ The sequence was: - add speed control to the strip - tune the speed control - add speed factor: 2 - strip duration /2 but I think this is then where the issue happened: - select both strips (speed control + strip) - press k (for cut) # delete the right part I was working with: - proxy 50% - add-in PowerSequencer (included now in Blender 2.82) Is there a way I can "add" to the file a value, to recover it ?

@sebmi I have no idea how this could happen. It seem that not only one speed fx strip had data missing. This shouldn't be possible to happen.

Unless you saved file and crash occured during saving process and somehow file was written almost completely...

Anyway here is recovered file, hopefully it's not missing too much data.
#75015.blend

@sebmi I have no idea how this could happen. It seem that not only one speed fx strip had data missing. This shouldn't be possible to happen. Unless you saved file and crash occured during saving process and somehow file was written almost completely... Anyway here is recovered file, hopefully it's not missing too much data. [#75015.blend](https://archive.blender.org/developer/F8427480/T75015.blend)

Unless you saved file and crash occured during saving process and somehow file was written almost completely...

Don’t know how that would be possible, Blender saves in a temp file, and only rename that one to final, proper name once all writing has been done and flushed. So crash during file save should not produce any file at all (from user PoV).

> Unless you saved file and crash occured during saving process and somehow file was written almost completely... Don’t know how that would be possible, Blender saves in a temp file, and only rename that one to final, proper name once all writing has been done and flushed. So crash during file save should not produce any file at all (from user PoV).
Author

In #75015#897564, @iss wrote:
@sebmi I have no idea how this could happen. It seem that not only one speed fx strip had data missing. This shouldn't be possible to happen.

Unless you saved file and crash occured during saving process and somehow file was written almost completely...

Anyway here is recovered file, hopefully it's not missing too much data.
#75015.blend

Thank you so much @iss , I confirm I can open the file and it seems I didn't loose much.
I wish I would have known how to recover it myself.
a big thank you for your fix

> In #75015#897564, @iss wrote: > @sebmi I have no idea how this could happen. It seem that not only one speed fx strip had data missing. This shouldn't be possible to happen. > > Unless you saved file and crash occured during saving process and somehow file was written almost completely... > > > Anyway here is recovered file, hopefully it's not missing too much data. > [#75015.blend](https://archive.blender.org/developer/F8427480/T75015.blend) Thank you so much @iss , I confirm I can open the file and it seems I didn't loose much. I wish I would have known how to recover it myself. a big thank you for your fix
Author

@mont29 , I also had a "bigger" crash dump file with my project name in the tmp folder but I didn't think of saving it at the time.
For sure, next time I will put it apart as it might provide more information.

@mont29 , I also had a "bigger" crash dump file with my project name in the tmp folder but I didn't think of saving it at the time. For sure, next time I will put it apart as it might provide more information.

Changed status from 'Needs User Info' to: 'Archived'

Changed status from 'Needs User Info' to: 'Archived'
Richard Antalik self-assigned this 2020-03-31 13:17:56 +02:00

Will close this for now, it doesn't seem like I will be able to reproduce this.

Hopefully this issue will be removed in one of future refactorings if cause by VSE code

Will close this for now, it doesn't seem like I will be able to reproduce this. Hopefully this issue will be removed in one of future refactorings if cause by VSE code

Closed as duplicate of #76274

Closed as duplicate of #76274
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Reference: blender/blender#75015
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