Occassional segfaults running master
I've been seeing this every once in a while, when running master through jhbuild.
Is this trace any good?
08:24:55:0494 GLib-GObject invalid uninstantiatable type '(null)' in cast to 'GsProgressButton'
Thread 1 "gnome-software" received signal SIGSEGV, Segmentation fault.
0x00007ffff66a5552 in gtk_css_provider_load_from_data ()
from /lib64/libgtk-3.so.0
Missing separate debuginfos, use: dnf debuginfo-install GConf2-3.2.6-20.fc28.x86_64 PackageKit-glib-1.1.10-1.fc28.x86_64 PackageKit-gtk3-module-1.1.10-1.fc28.x86_64 at-spi2-atk-2.26.2-1.fc28.x86_64 at-spi2-core-2.28.0-1.fc28.x86_64 atk-2.28.1-1.fc28.x86_64 bzip2-libs-1.0.6-26.fc28.x86_64 cairo-1.15.12-2.fc28.x86_64 cairo-gobject-1.15.12-2.fc28.x86_64 cyrus-sasl-lib-2.1.27-0.2rc7.fc28.x86_64 dbus-glib-0.110-2.fc28.x86_64 dbus-libs-1.12.8-1.fc28.x86_64 dconf-0.28.0-1.fc28.x86_64 enchant2-2.2.3-4.fc28.x86_64 expat-2.2.5-3.fc28.x86_64 flatpak-libs-0.99.3-1.fc28.x86_64 fontconfig-2.13.0-4.fc28.x86_64 freetype-2.8-10.fc28.x86_64 fribidi-1.0.2-1.fc28.x86_64 fwupd-1.0.8-1.fc28.x86_64 gdk-pixbuf2-2.36.12-1.fc28.x86_64 glib-networking-2.56.1-1.fc28.x86_64 glib2-2.56.1-4.fc28.x86_64 gmp-6.1.2-7.fc28.x86_64 gnutls-3.6.3-2.fc28.x86_64 gpgme-1.10.0-4.fc28.x86_64 graphite2-1.3.10-5.fc28.x86_64 gspell-1.8.1-1.fc28.x86_64 gtk3-3.22.30-1.fc28.x86_64 gvfs-client-1.36.2-2.fc28.x86_64 harfbuzz-1.7.5-3.fc28.x86_64 json-glib-1.4.2-3.fc28.x86_64 keyutils-libs-1.5.10-6.fc28.x86_64 krb5-libs-1.16.1-13.fc28.x86_64 libX11-1.6.5-7.fc28.x86_64 libXau-1.0.8-11.fc28.x86_64 libXcomposite-0.4.4-12.fc28.x86_64 libXcursor-1.1.15-1.fc28.x86_64 libXdamage-1.1.4-12.fc28.x86_64 libXext-1.3.3-8.fc28.x86_64 libXfixes-5.0.3-5.fc28.x86_64 libXi-1.7.9-6.fc28.x86_64 libXinerama-1.1.3-10.fc28.x86_64 libXrandr-1.5.1-5.fc28.x86_64 libXrender-0.9.10-5.fc28.x86_64 libacl-2.2.53-1.fc28.x86_64 libappstream-glib-0.7.10-1.fc28.x86_64 libarchive-3.3.1-4.fc28.x86_64 libassuan-2.5.1-3.fc28.x86_64 libattr-2.4.48-3.fc28.x86_64 libblkid-2.32.1-1.fc28.x86_64 libcanberra-0.30-16.fc28.x86_64 libcanberra-gtk3-0.30-16.fc28.x86_64 libcap-2.25-9.fc28.x86_64 libcom_err-1.44.2-0.fc28.x86_64 libcroco-0.6.12-4.fc28.x86_64 libcurl-7.59.0-5.fc28.x86_64 libdatrie-0.2.9-7.fc28.x86_64 libepoxy-1.5.2-1.fc28.x86_64 libffi-3.1-16.fc28.x86_64 libgcc-8.1.1-5.fc28.x86_64 libgcrypt-1.8.3-1.fc28.x86_64 libgpg-error-1.31-1.fc28.x86_64 libgudev-232-3.fc28.x86_64 libidn2-2.0.5-1.fc28.x86_64 libmodman-2.0.1-17.fc28.x86_64 libmount-2.32.1-1.fc28.x86_64 libnghttp2-1.32.0-1.fc28.x86_64 liboauth-1.0.3-9.fc28.x86_64 libogg-1.3.2-10.fc28.x86_64 libpng-1.6.34-3.fc28.x86_64 libproxy-0.4.15-6.fc28.x86_64 libpsl-0.20.2-2.fc28.x86_64 librsvg2-2.42.3-1.fc28.x86_64 libseccomp-2.3.3-2.fc28.x86_64 libsecret-0.18.6-1.fc28.x86_64 libselinux-2.8-1.fc28.x86_64 libsoup-2.62.2-2.fc28.x86_64 libssh-0.7.5-7.fc28.x86_64 libstdc++-8.1.1-5.fc28.x86_64 libstemmer-0-10.585svn.fc28.x86_64 libtasn1-4.13-2.fc28.x86_64 libtdb-1.3.15-4.fc28.x86_64 libthai-0.1.27-2.fc28.x86_64 libtool-ltdl-2.4.6-24.fc28.x86_64 libunistring-0.9.10-1.fc28.x86_64 libuuid-2.32.1-1.fc28.x86_64 libvorbis-1.3.6-1.fc28.x86_64 libwayland-client-1.15.0-1.fc28.x86_64 libwayland-cursor-1.15.0-1.fc28.x86_64 libwayland-egl-1.15.0-1.fc28.x86_64 libxcb-1.13-1.fc28.x86_64 libxcrypt-4.1.0-1.fc28.x86_64 libxkbcommon-0.8.0-2.fc28.x86_64 libxml2-2.9.7-4.fc28.x86_64 lz4-libs-1.8.1.2-4.fc28.x86_64 nettle-3.4-2.fc28.x86_64 nspr-4.19.0-1.fc28.x86_64 nss-3.38.0-1.0.fc28.x86_64 nss-util-3.38.0-1.0.fc28.x86_64 openldap-2.4.46-2.fc28.x86_64 openssl-libs-1.1.0h-3.fc28.x86_64 ostree-libs-2018.6-4.fc28.x86_64 p11-kit-0.23.12-1.fc28.x86_64 pango-1.42.1-2.fc28.x86_64 pcre-8.42-2.fc28.x86_64 pcre2-10.31-7.fc28.x86_64 pixman-0.34.0-8.fc28.x86_64 polkit-libs-0.115-1.fc28.x86_64 sqlite-libs-3.22.0-4.fc28.x86_64 sssd-client-1.16.2-4.fc28.x86_64 systemd-libs-238-9.git0e0aa59.fc28.x86_64 xz-libs-5.2.4-2.fc28.x86_64 zlib-1.2.11-8.fc28.x86_64
(gdb) thread apply all bt full
Thread 503 (Thread 0x7fff7e7fc700 (LWP 23547)):
#0 0x00007ffff4401659 in poll () at /lib64/libc.so.6
#1 0x00007ffff2ae9717 in __res_context_send () at /lib64/libresolv.so.2
#2 0x00007ffff2ae7126 in __res_context_query () at /lib64/libresolv.so.2
#3 0x00007ffff2ae7786 in __res_context_querydomain () at /lib64/libresolv.so.2
#4 0x00007ffff2ae7d6d in __res_context_search () at /lib64/libresolv.so.2
#5 0x00007fffbc097e3e in _nss_dns_gethostbyname4_r ()
at /lib64/libnss_dns.so.2
#6 0x00007ffff43f59d2 in gaih_inet.constprop () at /lib64/libc.so.6
#7 0x00007ffff43f6ab4 in getaddrinfo () at /lib64/libc.so.6
#8 0x00007fffd44c88fb in Curl_getaddrinfo_ex () at /lib64/libcurl.so.4
#9 0x00007fffd44d3843 in getaddrinfo_thread () at /lib64/libcurl.so.4
#10 0x00007fffd44d0e7f in curl_thread_create_thunk () at /lib64/libcurl.so.4
#11 0x00007ffff46d8594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007ffff440c0df in clone () at /lib64/libc.so.6
Thread 502 (Thread 0x7fff93fff700 (LWP 23545)):
#0 0x00007ffff4406ae9 in syscall () at /lib64/libc.so.6
#1 0x00007ffff746a6ee in g_cond_wait_until () at /lib64/libglib-2.0.so.0
#2 0x00007ffff73f60f1 in g_async_queue_pop_intern_unlocked ()
at /lib64/libglib-2.0.so.0
#3 0x00007ffff73f66e0 in g_async_queue_timeout_pop ()