Created attachment 412608 [details] Video showing a glitch and how to workaround it This has been occurring over several versions (I'm currently using 40.0.3). I am using an ATI video card if that matters: 04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland PRO [Radeon R7 240] $ emerge --info Portage 2.2.20.1 (python 2.7.9-final-0, default/linux/amd64/13.0/desktop, gcc-4.8.5, glibc-2.20-r2, 3.18.11-gentoo-oli x86_64) ================================================================= System uname: Linux-3.18.11-gentoo-oli-x86_64-AMD_FX-tm-6300_Six-Core_Processor-with-gentoo-2.2 KiB Mem: 8130060 total, 4832548 free KiB Swap: 31250428 total, 30973192 free Timestamp of repository gentoo: Sat, 19 Sep 2015 04:00:01 +0000 sh bash 4.3_p39 ld GNU ld (Gentoo 2.24 p1.4) 2.24 distcc 3.1 x86_64-pc-linux-gnu [disabled] app-shells/bash: 4.3_p39::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.20.2::gentoo dev-lang/python: 2.7.9-r1::gentoo, 3.3.5-r1::gentoo, 3.4.1::gentoo dev-util/cmake: 3.2.2::gentoo dev-util/pkgconfig: 0.28-r2::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.17::gentoo sys-apps/sandbox: 2.6-r1::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69::gentoo sys-devel/automake: 1.11.6-r1::gentoo, 1.13.4::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.24-r3::gentoo sys-devel/gcc: 4.8.5::gentoo sys-devel/gcc-config: 1.7.3::gentoo sys-devel/libtool: 2.4.6::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers) sys-libs/glibc: 2.20-r2::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 angelos location: /var/lib/layman/angelos masters: gentoo priority: 0 ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="* -@EULA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native -mtune=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.6/ext-active/ /etc/php/cgi-php5.6/ext-active/ /etc/php/cli-php5.6/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -march=native -mtune=native" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://gentoo.mirrors.tds.net/gentoo http://ftp.swin.edu.au/gentoo http://ftp.twaren.net/Linux/Gentoo/" LANG="en_CA.UTF8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j12" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" USE="3dnow X a52 aac aalib acl acpi alsa amd64 bash-completion berkdb bluetooth bluray branding bzip2 cairo caps cdda cdr cli consolekit cracklib crypt cscope cups cxx dbus dri dts dvd dvdr emboss encode exif fam ffmpeg fftw firefox flac fontconfig foomaticdb fortran ftp gcj gdbm gif gimp glamor glut gnutls gpm gtk gzip hddtemp iconv idn imagemagick imap ipv6 jpeg lame latex lcms ldap libav libnotify libsamplerate lm_sensors lzma lzo mad matroska mbox mime mmx mmxext mng modules mozilla mp3 mp4 mpeg multilib ncurses nls nptl nsplugin offensive ogg openal opengl openmp pam pango pcre pdf png policykit posix ppds pulseaudio qt3support qt4 rar rdesktop readline sdl seccomp session smp sndfile sockets sound speex spell sse sse2 ssl startup-notification svg symlink syslog sysvipc tcpd theora threads tiff truetype udev udisks unicode upower usb v4l v4l2 vcd vim-syntax vorbis wifi wmf wxwidgets x264 xcb xml xmpp xpm xscreensaver xv xvid zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="libreoffice_extensions_nlpsolver pdfimport presenter-console" LINGUAS="en fr" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" RUBY_TARGETS="ruby20 ruby21" USERLAND="GNU" VIDEO_CARDS="radeonsi radeon" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
please paste the output of 'lsmod'.
$ lsmod Module Size Used by ecryptfs 85387 0 encrypted_keys 18502 1 ecryptfs trusted 17617 1 encrypted_keys uinput 17625 0 bnep 19624 2 cdc_acm 32892 0 cfg80211 478482 0 binfmt_misc 17424 1 vboxnetadp 25152 0 vboxnetflt 22152 0 vboxdrv 348362 2 vboxnetadp,vboxnetflt ata_generic 12923 0 pata_acpi 13053 0 btusb 32336 0 bluetooth 442964 23 bnep,btusb rfkill 21979 3 cfg80211,bluetooth pl2303 19036 0 cdc_ether 14198 0 usbnet 41970 1 cdc_ether joydev 17344 0 r8152 36820 0 crct10dif_pclmul 14307 0 crc32_pclmul 13133 0 crc32c_intel 22094 0 ghash_clmulni_intel 13230 0 snd_hda_codec_via 23682 1 snd_hda_codec_generic 67697 1 snd_hda_codec_via microcode 20181 0 radeon 1518856 3 snd_hda_codec_hdmi 47820 1 snd_hda_intel 30352 10 snd_hda_controller 30207 1 snd_hda_intel serio_raw 13434 0 i2c_algo_bit 13257 1 radeon pcspkr 12718 0 snd_hda_codec 121733 5 snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller ttm 84837 1 radeon edac_core 52013 0 drm_kms_helper 89586 1 radeon edac_mce_amd 22310 0 sp5100_tco 13999 0 k10temp 13232 0 fam15h_power 13113 0 snd_hwdep 13554 1 snd_hda_codec snd_pcm 100845 7 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller drm 289339 6 ttm,drm_kms_helper,radeon snd_timer 28778 1 snd_pcm i2c_piix4 18070 0 snd 71520 25 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_via,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel i2c_core 51431 5 drm,i2c_piix4,drm_kms_helper,i2c_algo_bit,radeon soundcore 14491 2 snd,snd_hda_codec pata_atiixp 13279 0 r8169 80744 0 mii 13527 3 r8152,r8169,usbnet shpchp 37047 0 tpm_infineon 17131 0 tpm_tis 18630 0 tpm 31057 3 tpm_tis,trusted,tpm_infineon acpi_cpufreq 19433 0
guessing x11. might be fonts or mozilla though.
I'm guessing it's a driver issue, but maybe mozilla@ knows more.
Is this still a problem?
