Frequent crashes when toggling edit mode with subsurf #52694

New Issue

Tim Roberts · 2017-09-10T02:57:49+02:00

Tim Roberts commented

2017-09-10 02:57:49 +02:00

System Information
Ubuntu 16.04 LTS/ GTX 1070 8GB
system-info.txt
Blender Version
2.79RC2 7b397cdfc8,
Worked: (optional)

Short description of error
Quite often when modelling an object with subsurf active, Blender will crash when toggling edit/ object mode. As I am not sure of a reliable way to reproduce on another system, I have attached a few recent crash reports generated by Blender running under RC2.

Exact steps for others to reproduce the error
Not sure how to most reliably reproduce, on my system crashes are fairly random, but seem to come from subsurf modelling and trigger by toggling edit/ object mode.

One such file that has crashed is attached, hopefully it can be of some help.
blender_crashes.tar.gz
lure_print-2.blend

**System Information** Ubuntu 16.04 LTS/ GTX 1070 8GB [system-info.txt](https://archive.blender.org/developer/F783140/system-info.txt) **Blender Version** 2.79RC2 7b397cdfc81, Worked: (optional) **Short description of error** Quite often when modelling an object with subsurf active, Blender will crash when toggling edit/ object mode. As I am not sure of a reliable way to reproduce on another system, I have attached a few recent crash reports generated by Blender running under RC2. **Exact steps for others to reproduce the error** Not sure how to most reliably reproduce, on my system crashes are fairly random, but seem to come from subsurf modelling and trigger by toggling edit/ object mode. One such file that has crashed is attached, hopefully it can be of some help. [blender_crashes.tar.gz](https://archive.blender.org/developer/F783135/blender_crashes.tar.gz) [lure_print-2.blend](https://archive.blender.org/developer/F783127/lure_print-2.blend)

Tim Roberts commented

2017-09-10 02:57:49 +02:00

Changed status to: 'Open'

Tim Roberts commented

2017-09-10 02:57:49 +02:00

Added subscriber: @Timaroberts

0rAngE commented

2017-09-10 17:18:29 +02:00

Added subscriber: @0rAngE

0rAngE commented

2017-09-10 17:18:29 +02:00

I can confirm this.
I use blender as much as the pipeline (max+vray) permits in production on a daily basis.
This and the SelectShortestPath bug (that I have just reported) are the biggest stoppers for me to start using 2.79

I can confirm this. I use blender as much as the pipeline (max+vray) permits in production on a daily basis. This and the SelectShortestPath bug (that I have just reported) are the biggest stoppers for me to start using 2.79

Nahuel Belich commented

2017-09-10 20:53:33 +02:00

Added subscriber: @NahuelBelich

Bastien Montagne commented

2017-09-11 09:12:49 +02:00

Added subscriber: @mont29

Bastien Montagne commented

2017-09-11 09:12:49 +02:00

Pretty sure this has been fixed already, cannot replicate in current master nor in current 2.79 branch, to which a serious modifiers-related crasher was backported after 2.79 RC2 was published.

Can you please try the latest build from our buildbot?

Pretty sure this has been fixed already, cannot replicate in current master nor in current 2.79 branch, to which a serious modifiers-related crasher was backported after 2.79 RC2 was published. Can you please try the latest build from [our buildbot](https://builder.blender.org/download)?

0rAngE commented

2017-09-12 02:58:07 +02:00

@mont29

Tested today with the latest buildbot, and haven't had a single crash.

@mont29 Tested today with the latest buildbot, and haven't had a single crash.

Bastien Montagne commented

2017-09-12 07:34:56 +02:00

Changed status from 'Open' to: 'Resolved'

Bastien Montagne closed this issue

2017-09-12 07:34:56 +02:00

Bastien Montagne self-assigned this 2017-09-12 07:34:56 +02:00

Bastien Montagne commented

2017-09-12 07:34:56 +02:00

Thanks, fix shall also be in 2.79 released today, so we can consider this as fixed I think. :)

Tim Roberts commented

2017-09-25 23:20:07 +02:00

Hi, @mont29 , unfortunately, this issue seems to persist (although not as often as previously) in release as well as in dc86b7a (own build from master).

I have attached both the currently affected .blend file and crash.txt from both builds. I will continue testing further, but thought perhaps should mention that this is still occurring.

new_car.blend
new_car.crash_from-dc86b7a.txt

new_car.crash_from-5bd8ac9abfa.txt

Hi, @mont29 , unfortunately, this issue seems to persist (although not as often as previously) in release as well as in dc86b7a (own build from master). I have attached both the currently affected .blend file and crash.txt from both builds. I will continue testing further, but thought perhaps should mention that this is still occurring. [new_car.blend](https://archive.blender.org/developer/F875336/new_car.blend) [new_car.crash_from-dc86b7a.txt](https://archive.blender.org/developer/F875332/new_car.crash_from-dc86b7a.txt) [new_car.crash_from-5bd8ac9abfa.txt](https://archive.blender.org/developer/F875333/new_car.crash_from-5bd8ac9abfa.txt)

Germano Cavalcante commented

2017-09-26 03:28:09 +02:00

Added subscriber: @mano-wii

Germano Cavalcante commented

2017-09-26 03:28:09 +02:00

Even holding the tab button for a few seconds, I could not replicate the bug.

But, if it helps the developers, I made a patch that proposes to fix definitively all the problems involving Subsurf + Shrinkwrap:
safe_recalclooptris.diff

Even holding the tab button for a few seconds, I could not replicate the bug. But, if it helps the developers, I made a patch that proposes to fix definitively all the problems involving Subsurf + Shrinkwrap: [safe_recalclooptris.diff](https://archive.blender.org/developer/F875580/safe_recalclooptris.diff)

Sign in to join this conversation.

No Label

Download

What's New

Blender Studio

Manual

Developers Blog

Documentation

Benchmark

Blender Conference

Development Fund

One-time Donations

Frequent crashes when toggling edit mode with subsurf #52694