https://bugzilla.redhat.com/show_bug.cgi?id=1759176
--- Comment #20 from Bruce Bigby <bbigby64(a)gmail.com> ---
Oh, by the way, I ran "eclipse -clean", and the hang still occurs. Puzzled.
Not sure how to debug this java process.
I attached to the Java thread that was using 100% CPU and this is the
backtrace:
-----------------------------------------------------------------------------------
(gdb) where
#0 0x00007f7becb4ba0d in cairo_matrix_transform_point () at
/lib64/libcairo.so.2
#1 0x00007f7becb3c91d in _do_cairo_gstate_user_to_backend () at
/lib64/libcairo.so.2
#2 0x00007f7becb36e6d in _cairo_default_context_line_to () at
/lib64/libcairo.so.2
#3 0x00007f7becb92a59 in cairo_line_to () at /lib64/libcairo.so.2
#4 0x00007f7bf407d52e in draw_error_underline () at
/lib64/libpangocairo-1.0.so.0
#5 0x00007f7bf407d668 in pango_cairo_renderer_draw_error_underline () at
/lib64/libpangocairo-1.0.so.0
#6 0x00007f7bf405584b in pango_renderer_draw_layout_line () at
/lib64/libpango-1.0.so.0
#7 0x00007f7bf4055d54 in pango_renderer_draw_layout () at
/lib64/libpango-1.0.so.0
#8 0x00007f7bf407f228 in _pango_cairo_do_layout () at
/lib64/libpangocairo-1.0.so.0
#9 0x00007f7bde43dcaf in
Java_org_eclipse_swt_internal_gtk_OS__1pango_1cairo_1show_1layout ()
at
/usr/lib/eclipse/plugins/org.eclipse.swt.gtk.linux.x86_64_3.112.0.v20190908-0312/libswt-pi3-gtk-4928r15.so
#10 0x00007f7bf6dd85f6 in ()
#11 0x0000000000000007 in ()
#12 0x00000000ec830810 in ()
#13 0x00000067ec830b40 in ()
#14 0x00000000ec82d620 in ()
#15 0x00000000c077c8a0 in ()
#16 0x00007f7bf708ceec in ()
#17 0x00000000c077d7f8 in ()
#18 0x00007f7bf709ee68 in ()
#19 0x00000001001f53c0 in ()
#20 0x00007f7bf7084418 in ()
#21 0x0000004400000002 in ()
#22 0x00007f7c048c7b50 in ()
#23 0x00000000ebbeea50 in ()
#24 0x00000000ec82d620 in ()
#25 0x00000001001f53c0 in ()
#26 0x00000000ebbeea50 in ()
#27 0x0000000000000007 in ()
#28 0x00000000fa618a58 in ()
#29 0x0000000000000001 in ()
#30 0x0000000000000011 in ()
#31 0x0000000000000009 in ()
#32 0x00007f7b00000000 in (anonymous
namespace)::AtomicExpand::tryExpandAtomicRMW(llvm::AtomicRMWInst*) () at
/lib64/libLLVM-9.so
#33 0x00007f7c05f31840 in ()
---------------------------------------------------------------------------------------------------------------------------------
Maybe this will help. Don't know.
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