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Bug 658140 - media-gfx/darktable-2.4.3 with dev-libs/beignet (?): segfault: waitpid.c: No such file or directory
Summary: media-gfx/darktable-2.4.3 with dev-libs/beignet (?): segfault: waitpid.c: No ...
Status: UNCONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Graphics Project
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-06-14 21:17 UTC by schmittlauch
Modified: 2018-07-01 20:18 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
backtrace of the segfault (darktable_bt_H4OMKZ.txt,34.90 KB, text/plain)
2018-06-14 21:17 UTC, schmittlauch
Details
backtrace with more debug symbols (darktable_bt_5SVXKZ.txt,56.69 KB, text/plain)
2018-06-14 21:41 UTC, schmittlauch
Details

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Description schmittlauch 2018-06-14 21:17:51 UTC
Created attachment 535924 [details]
backtrace of the segfault

After upgrading t darktable-2.4.3, it segfaults at start:

```
darktable                                                                                                                                                130 ↵
[defaults] found a 64-bit system with 12206284 kb ram and 4 cores (0 atom based)
[defaults] setting high quality defaults
[New LWP 455]
[New LWP 456]
[New LWP 457]
[New LWP 458]
[New LWP 499]
[New LWP 500]
[New LWP 501]
[New LWP 502]
[New LWP 503]
[New LWP 504]
[New LWP 505]
[New LWP 506]
[New LWP 507]
[New LWP 508]
[New LWP 509]
[New LWP 527]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007f0092e46bac in __waitpid (pid=529, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
29      ../sysdeps/unix/sysv/linux/waitpid.c: No such file or directory.
backtrace written to /tmp/darktable_bt_H4OMKZ.txt
[1]    454 segmentation fault (core dumped)
```

I was asked whether I want to change some settings making the performance better, but it segfaults no matter which option I choose.
Comment 1 schmittlauch 2018-06-14 21:41:05 UTC
Created attachment 535926 [details]
backtrace with more debug symbols

I recompiled some packages with debug symbols to get more infromation, so here we are
Comment 2 schmittlauch 2018-06-15 08:13:21 UTC
Looks like this is a bug in the beignet openCL library. Starting darktable with `--disable-opencl` works, I even just removed beignet from my system.

I have a Intel(R) Core(TM) i7-4600U CPU with integrated graphics.