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SIGSEGV with a signal containing *glib.Value #55

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diamondburned opened this issue Jan 16, 2022 · 8 comments
Open

SIGSEGV with a signal containing *glib.Value #55

diamondburned opened this issue Jan 16, 2022 · 8 comments

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@diamondburned
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Stack trace:

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x1000000016 pc=0x7f4bfbb2c70b]

runtime stack:
runtime.throw({0x202b6fb, 0x7f4b88ea7a98})
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/panic.go:1198 +0x71
runtime.sigpanic()
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/signal_unix.go:719 +0x396

goroutine 5 [syscall]:
runtime.cgocall(0x1bc2810, 0xc00009bdf0)
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/cgocall.go:156 +0x5c fp=0xc00009bdc8 sp=0xc00009bd90 pc=0x54949c
github.com/diamondburned/gotk4/pkg/core/glib._Cfunc__g_is_value(0x7f4b3423e9e0)
	_cgo_gotypes.go:631 +0x48 fp=0xc00009bdf0 sp=0xc00009bdc8 pc=0x821728
github.com/diamondburned/gotk4/pkg/core/glib.(*value).isValue(...)
	/home/diamond/.go/pkg/mod/github.com/diamondburned/gotk4/pkg@v0.0.0-20211231035909-9969b912d153/core/glib/glib.go:724
github.com/diamondburned/gotk4/pkg/core/glib.(*value).unset(0xc001932298)
	/home/diamond/.go/pkg/mod/github.com/diamondburned/gotk4/pkg@v0.0.0-20211231035909-9969b912d153/core/glib/glib.go:717 +0x25 fp=0xc00009be10 sp=0xc00009bdf0 pc=0x829345
runtime.call16(0x0, 0x20920f0, 0xc001adc000, 0x0, 0x0, 0x0, 0xc00009bec0)
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/asm_amd64.s:625 +0x49 fp=0xc00009be30 sp=0xc00009be10 pc=0x5a9149
runtime.runfinq()
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/mfinal.go:245 +0x3ac fp=0xc00009bfe0 sp=0xc00009be30 pc=0x55e76c
runtime.goexit()
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/asm_amd64.s:1581 +0x1 fp=0xc00009bfe8 sp=0xc00009bfe0 pc=0x5aae21
created by runtime.createfing
	/nix/store/1y1sxwam2jf1f5w9dqfg44wdpwappdch-go-1.17/share/go/src/runtime/mfinal.go:157 +0x45

Possible cause:

  • The marshaler probably didn't marshal properly.
  • The finalizer wasn't attached properly.
@fleshin
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fleshin commented Apr 2, 2022

The example gtk4/simple crashes with this message. Any known workaround?

@diamondburned
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What commit are you on? It shouldn't crash on simple.

@fleshin
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fleshin commented Apr 3, 2022

Upgraded but still crashing:
require github.com/diamondburned/gotk4/pkg v0.0.0-20220221063304-bbd86ac49f1b
go: upgraded github.com/diamondburned/gotk4/pkg v0.0.0-20220221063304-bbd86ac49f1b => v0.0.0-20220331164549-9ddf852f5963

Trace (using go 1.18 from Arch official repos):
[signal SIGSEGV: segmentation violation code=0x1 addr=0x2a0 pc=0x7effdb6e308b]

runtime stack:
runtime.throw({0x931ce4?, 0x7effdbb24840?})
/usr/lib/go/src/runtime/panic.go:992 +0x71
runtime.sigpanic()
/usr/lib/go/src/runtime/signal_unix.go:802 +0x3a9

goroutine 1 [syscall]:
runtime.cgocall(0x7adb50, 0xc00004fe20)
/usr/lib/go/src/runtime/cgocall.go:157 +0x5c fp=0xc00004fdf8 sp=0xc00004fdc0 pc=0x55003c
github.com/diamondburned/gotk4/pkg/gio/v2._Cfunc_g_application_run(0x2b9a290, 0x1, 0x2bd4460)
_cgo_gotypes.go:5617 +0x4c fp=0xc00004fe20 sp=0xc00004fdf8 pc=0x6037ac
github.com/diamondburned/gotk4/pkg/gio/v2.(*Application).Run.func3(0xc000143990?, 0x27?, 0x2bd4460?)
/home/fleshin/go/pkg/mod/github.com/diamondburned/gotk4/pkg@v0.0.0-20220331164549-9ddf852f5963/gio/v2/gapplication.go:1619 +0x71 fp=0xc00004fe68 sp=0xc00004fe20 pc=0x61a9b1
github.com/diamondburned/gotk4/pkg/gio/v2.(*Application).Run(0xc00000e090, {0xc0000121e0?, 0x1, 0x1})
/home/fleshin/go/pkg/mod/github.com/diamondburned/gotk4/pkg@v0.0.0-20220331164549-9ddf852f5963/gio/v2/gapplication.go:1619 +0x1d8 fp=0xc00004ff28 sp=0xc00004fe68 pc=0x61a898
main.main()
/home/fleshin/src/gotk4-examples/gtk4/simple/main.go:13 +0xb4 fp=0xc00004ff80 sp=0xc00004ff28 pc=0x75b094
runtime.main()
/usr/lib/go/src/runtime/proc.go:250 +0x212 fp=0xc00004ffe0 sp=0xc00004ff80 pc=0x582012
runtime.goexit()
/usr/lib/go/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc00004ffe8 sp=0xc00004ffe0 pc=0x5ad041
exit status 2

@diamondburned
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diamondburned commented Apr 3, 2022 •
edited

This looks to be a completely different bug. Can you run it in gdb and show me the stack trace of the thread?

@fleshin
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fleshin commented Apr 3, 2022

Yes, it seems the error is different after the upgrade. The GTK4 demos run properly.
Here is the output of gdb's backtrace. Thanks a lot for looking at this!

(gdb) run
Starting program: /home/fleshin/src/gotk4-examples/gtk4/simple/simple
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffccfe4640 (LWP 9851)]
[New Thread 0x7fffc7fff640 (LWP 9852)]
[New Thread 0x7fffc77fe640 (LWP 9853)]
[New Thread 0x7fffc6ffd640 (LWP 9854)]
[New Thread 0x7fffc67fc640 (LWP 9855)]
[New Thread 0x7fffc5ffb640 (LWP 9856)]
[New Thread 0x7fffc57fa640 (LWP 9857)]
[New Thread 0x7fffc4ff9640 (LWP 9858)]
[New Thread 0x7fffa7fff640 (LWP 9859)]
[Thread 0x7fffa7fff640 (LWP 9859) exited]
[New Thread 0x7fffa7fff640 (LWP 9860)]
[New Thread 0x7fffa5d73640 (LWP 9861)]
[New Thread 0x7fffa5572640 (LWP 9862)]
[New Thread 0x7fffa4d71640 (LWP 9863)]
[Thread 0x7fffa4d71640 (LWP 9863) exited]
[Thread 0x7fffa5572640 (LWP 9862) exited]
[Thread 0x7fffa5d73640 (LWP 9861) exited]
[Thread 0x7fffa7fff640 (LWP 9860) exited]
[New Thread 0x7fffa7fff640 (LWP 9864)]
[New Thread 0x7fffa4d71640 (LWP 9865)]
[New Thread 0x7fffa5572640 (LWP 9866)]
[New Thread 0x7fffa5d73640 (LWP 9867)]
[New Thread 0x7fff996e9640 (LWP 9868)]
[New Thread 0x7fff98ee8640 (LWP 9869)]
[New Thread 0x7fff83fff640 (LWP 9870)]
[New Thread 0x7fff837fe640 (LWP 9871)]
[Thread 0x7fff83fff640 (LWP 9870) exited]
[Thread 0x7fff837fe640 (LWP 9871) exited]

Thread 1 "simple" received signal SIGSEGV, Segmentation fault.
0x00007fffa6ee208b in ?? () from /usr/lib/dri/iris_dri.so
(gdb) backtrace
#0 0x00007fffa6ee208b in () at /usr/lib/dri/iris_dri.so
#1 0x00007fffa6ee27e8 in () at /usr/lib/dri/iris_dri.so
#2 0x00007fffa6be15d4 in () at /usr/lib/dri/iris_dri.so
#3 0x00007fffa6b2a5d4 in () at /usr/lib/dri/iris_dri.so
#4 0x00007fffa6b301dc in () at /usr/lib/dri/iris_dri.so
#5 0x00007fffa6b32965 in () at /usr/lib/dri/iris_dri.so
#6 0x00007fffa6bfd940 in () at /usr/lib/dri/iris_dri.so
#7 0x00007fffa6c01a27 in () at /usr/lib/dri/iris_dri.so
#8 0x00007fffa6c1573d in () at /usr/lib/dri/iris_dri.so
#9 0x00007fffa6a4ca59 in () at /usr/lib/dri/iris_dri.so
#10 0x00007fffa63199b7 in () at /usr/lib/dri/iris_dri.so
#11 0x00007fffa631a84a in () at /usr/lib/dri/iris_dri.so
#12 0x00007fffa6e59643 in () at /usr/lib/dri/iris_dri.so
#13 0x00007fffa631ab05 in () at /usr/lib/dri/iris_dri.so
#14 0x00007fffa5efcbd8 in () at /usr/lib/dri/iris_dri.so
#15 0x00007fffa5eb04cf in () at /usr/lib/dri/iris_dri.so
#16 0x00007fffa5ebb889 in () at /usr/lib/dri/iris_dri.so
#17 0x00007fffa5ebb979 in () at /usr/lib/dri/iris_dri.so
#18 0x00007ffff7c4966d in () at /usr/lib/libgtk-4.so.1
#19 0x00007ffff7c4ba60 in () at /usr/lib/libgtk-4.so.1
#20 0x00007ffff7c4b969 in () at /usr/lib/libgtk-4.so.1
#21 0x00007ffff7c2fa13 in () at /usr/lib/libgtk-4.so.1
#22 0x00007ffff7c1600d in gsk_renderer_render () at /usr/lib/libgtk-4.so.1
#23 0x00007ffff7acc146 in () at /usr/lib/libgtk-4.so.1
#24 0x00007ffff7acceb9 in () at /usr/lib/libgtk-4.so.1
#25 0x00007ffff7b97449 in () at /usr/lib/libgtk-4.so.1
#26 0x00007ffff73066b6 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#27 0x00007ffff7306824 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#28 0x00007ffff7bc435c in () at /usr/lib/libgtk-4.so.1
#29 0x00007ffff73066b6 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#30 0x00007ffff7306824 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#31 0x00007ffff7bb8e09 in () at /usr/lib/libgtk-4.so.1
#32 0x00007ffff71ec958 in () at /usr/lib/libglib-2.0.so.0
#33 0x00007ffff71ec163 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#34 0x00007ffff72429e9 in () at /usr/lib/libglib-2.0.so.0
#35 0x00007ffff71e96c5 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#36 0x00007ffff74074ee in g_application_run () at /usr/lib/libgio-2.0.so.0
#37 0x00000000007adb6e in _cgo_3dfe9b1c5554_Cfunc_g_application_run (v=0xc00004ae20) at /tmp/go-build/cgo-gcc-prolog:453
#38 0x00000000005acd04 in runtime.asmcgocall () at /usr/lib/go/src/runtime/asm_amd64.s:821
#39 0x00007fffffffdc68 in ()

@diamondburned
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I'm actually not sure why this happens. Can you rebuild using go build -a just to confirm?

If that doesn't work, does running it with GSK_RENDERER=cairo work?

@diamondburned
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Also, it would be better if you could make a new issue for this problem.

@fleshin
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fleshin commented Apr 4, 2022

GSK_RENDERER=cairo did the trick. Thanks and sorry for polluting you issue.

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@fleshin @diamondburned