Blender 2.75a crashes after loading a .blend file dozen or more times (crash in preview code, still running while loading new file?) #45496
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Reference: blender/blender#45496
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System Information
Windows 7 SP1 64bit
Radeon HD 5400 1GB
Blender Version
Broken: 2.75a
Worked: 2.74
Short description of error
Opening .blend file repeatedly crashes blender.
Exact steps for others to reproduce the error
Repeated open .blend file and after 10-20 loads blender crashes.
Was not an issue in 2.74
Memory leak?
Changed status to: 'Open'
Added subscriber: @pquiring
Added subscriber: @mont29
Cannot confirm that here on linux. Please always attach a .blend file to help reproducing the issue (and check the issue still happens with latest build from our buildbot).
Also, if it was (heavy) memleak, you should be able to see it by following Blender's memsize in the task manager…
I created a new .blend file with just the basic cube and it doesn't happen.
But if I load a file that was upgraded from 2.74 then it happens (any of the 50+ models I have seem to cause it).
I'll attach a sample that does it.
I checked if memory increased and it doesn't so it's not a memory leak (that was just a quick guess).
I tried with buildbot blender-2.75-23c7603-win64.zip (downloaded just now) and it still happens.
Also tried with the Linux build (buildbot same date as win64 above) and it took 26 loads before I got a SEG_FAULT.
armor.blend
Here is a crash message generated on Linux:
Blender 2.75 (sub 2), Commit date: 2015-07-18 23:53, Hash
23c7603
backtrace
./blender(BLI_system_backtrace+0x1d) [0x1a0991d]
./blender() [0x103c9a4]
./blender() [0x103cb81]
/lib/x86_64-linux-gnu/libc.so.6(+0x352f0) [0x7f81a32ff2f0]
./blender() [0x11c2ecc]
./blender(ED_preview_draw+0x226) [0x11c3d16]
./blender() [0x1398545]
./blender(ui_draw_but+0x7a6) [0x139ced6]
./blender(UI_block_draw+0x18e) [0x138349e]
./blender(UI_panels_draw+0x5e) [0x13abcae]
./blender(ED_region_panels+0x529) [0x1353d79]
./blender() [0x13cdf3b]
./blender(ED_region_do_draw+0xa06) [0x1352ce6]
./blender() [0x10585b4]
./blender(wm_draw_update+0x582) [0x1059b82]
./blender(WM_main+0x28) [0x1045078]
./blender(main+0x52c) [0x103f6ec]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f81a32eaa40]
./blender() [0xf414d1]
Uuuuuh! Got a crash here, but only on 40th reload!
Looks like an issue with preview rendering, Asan says:
Wild guess: render preview still using some code from previous file (which would mean issue is not related to reloading same file, it's more like quickly loading a new file while previews of previous one are not yet done). Just conjectures so far, this needs more investigation.
Blender 2.75a crashes after loading a .blend file dozen or more timesto Blender 2.75a crashes after loading a .blend file dozen or more times (crash in preview code, still running while loading new file?)yes, your backtrace looks similar to mine.
This issue was referenced by
ae00011956
Changed status from 'Open' to: 'Resolved'