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Old 11-02-2016, 02:35 PM   #1
harriebo
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Join Date: Oct 2016
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Default Displaylink on Gentoo causes system freeze unless booting to Windows first

Hello,

I installed the latest Displaylink 1.2.65 and evdi 1.2.64 on Gentoo linux.
And when I boot with the Displaylink connected or connect it while in X I get a complete system freeze.
But, when I boot Windows 10 first, then reboot back to Gentoo it does work. So it seems to have a issue with the init of the device.
I have Dell Precision 7510 with a USB-C port connection.

System info:
Portage 2.3.0 (python 3.4.3-final-0, default/linux/amd64/13.0/desktop/gnome/systemd, gcc-4.9.3, glibc-2.22-r4, 4.4.21-gentoo x86_64)

System uname: Linux-4.4.21-gentoo-x86_64-Intel-R-_Core-TM-i7-6820HQ_CPU@_2.70GHz-with-gentoo-2.2
KiB Mem: 16312912 total, 4658696 free
KiB Swap: 523260 total, 488924 free
Timestamp of repository gentoo: Fri, 14 Oct 2016 11:30:01 +0000
sh bash 4.3_p48
ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1
app-shells/bash: 4.3_p48::gentoo
dev-java/java-config: 2.2.0-r3::gentoo
dev-lang/perl: 5.22.2::gentoo
dev-lang/python: 2.7.10-r1::gentoo, 3.4.3-r1::gentoo
dev-util/cmake: 3.5.2-r1::gentoo
dev-util/pkgconfig: 0.28-r2::gentoo
sys-apps/baselayout: 2.2::gentoo
sys-apps/openrc: 0.21.7::gentoo
sys-apps/sandbox: 2.10-r1::gentoo
sys-devel/autoconf: 2.13::gentoo, 2.69::gentoo
sys-devel/automake: 1.11.6-r1::gentoo, 1.14.1::gentoo, 1.15::gentoo
sys-devel/binutils: 2.25.1-r1::gentoo
sys-devel/gcc: 4.9.3::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: 4.3::gentoo (virtual/os-headers)
sys-libs/glibc: 2.22-r4::gentoo
Repositories:

gentoo
location: /usr/portage
sync-type: rsync
sync-uri: rsync://rsync.gentoo.org/gentoo-portage
priority: -1000

x-portage
location: /usr/local/portage
masters: gentoo
priority: 0

steam-overlay
location: /var/lib/layman/steam-overlay
masters: gentoo
priority: 1

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=broadwell -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/gnupg/qualified.txt /usr/share/maven-bin-3.3/conf"
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="-march=broadwell -O2 -pipe"
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 xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_GB.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j9"
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 --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X a52 aac aalib acl acpi alsa amd64 apache2 berkdb bluetooth bluray branding bzip2 cairo cdda cddb cdr cli client colord cracklib crypt cups curl cxx dbus doc dri dts dv dvd dvdr eds emboss emerald encode evo exif fam ffmpeg firefox flac fortran fuse gconf gd gdbm gdm gif gimp git glamor gnome gnome-keyring gnome-online-accounts google gpm gstreamer gtk iconv icu introspection ipv6 jack java javascript joystick jpeg jpeg2k json kerberos latex lcms ldap libnotify libsecret mad mmap mmx mmxext mng modules mozilla mp3 mp4 mpeg mplayer multilib nautilus ncurses networkmanager nls nptl nsplugin offensive ogg opengl openmp openssl pam pango pcre pdf png policykit postgres ppds projectm pulseaudio python qt3support qt4 readline samba sdl seccomp session sftp smp spell sse sse2 ssh ssl startup-notification svg systemd tcpd theora tiff toolame tracker truetype twolame udev udisks unicode upnp upnp-av upower usb v4l v4l2 vdpau vim-syntax vimeo visualizer vorbis vte wifi wxwidgets x264 xattr xcb xinerama xml xv xvid yuv4mpeg zlib" ABI_X86="64 32" 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="sse sse2 sse3 sse4_1 sse4_2 ssse3 avx avx2 fma3 mmxext mmx aes popcnt" 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" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev keyboard mouse joystick synaptics wacom void" KERNEL="linux" L10N="en-GB uk en nl de fr" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en_GB en_US nl_NL de_DE fr_FR uk en nl de fr" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" RUBY_TARGETS="ruby20 ruby21" USERLAND="GNU" VIDEO_CARDS="amdgpu radeon radeonsi intel fbdev" 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

Regards,
Harrie
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Old 11-03-2016, 03:07 PM   #2
mlukaszek
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Can you attach logs just from an attempt when it freezes? (i.e. rm -rf /var/log/displaylink/* first and then reproduce the problem)

This might be some bizarre timing issue. When you boot Windows, the firmware for the device is changed to whatever was part of the Windows driver. When you boot back to Linux, what's happening inside DLM first is making sure the firmware on a device is the one bundled with Linux driver. Since actual connection to evdi only happens after the FW is compatible, in a way this process introduces a slight delay before DLM attempts to connect to evdi, resulting in a new screen appearing, ready for use with X.

How is the DLM upstart/systemd service started on gentoo? In Ubuntu driver we ensure it's only started when X are up. Has this been properly ported to gentoo?

Cheers,
Michal
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Old 11-04-2016, 04:07 PM   #3
harriebo
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Join Date: Oct 2016
Posts: 3
Default Logs

Frozen boot log:

UVLY+3xs9LIslFFJL9zz9ZX/E8tch0h1gXBEL4FgoejQ9yQ/0abH8BYtlJeU1ADcs3b0/FglupjCOZRDJD9/KLdVEi08FRYdJTv3d+49ZvMG3bBuU7y1BLcnGE2IW8ckWdxwEW wmloNGnT45//ZLUY/2MiI4zGQ3vbjKa8ZdQLJakz3mYFUguqHgr3jMiUK+vCyRFHJzl WjjtRh80bEa8IpiE+RmnSg2dZgQ4JChEeCcOs7Y7s5TVLUBxjz +/Hu6SIax3N2tlZO9hnGxg9wULIJLsuG6OLeDgN1/SkLc+A1vILblAC78v2c1rtzl2YFS
F6ny/x7M/S/F1fu0oS2K41aR1n8URVQQ+ipS4NMLIkQoWhR5YEQMq2Tq5SP+R dIHOAK24BphUozP+qFOCzuZoHP7mp0go/CB7+dezIffREyUNxpBr/7TreNAMupEQZuXoYZ1ZK3RUp26lVC54OvJErbzf/vU3anSdzCZB/k3+nzlyahYzLSFjTnfn7F3xFf3Ld/UboNIaX27l1xLN6P3Xv4LS7vAzFlAnHbPF2v0Fao=
nL4TC2qWBc4VYcjAc441hbGgGtsu0jLh4PU5Ds6khrIuAlsj5N/hUWg/WXxvw5DuybZt9yk8G32bU8DBNFegmQmpfl1bdjACuMdkshE5GT vxo8HfF2II0Yg1XBN57NQFWbzKUgE3lxgHXHqKxQHkxgbVL0kO z7NMoiWXlvrFF4Ll9z/HT43VMwbb5wAETXsR6xNW47JAdPmxBDc+4v4NiA==
nL4TC2qWBc4VYcjAc441hXTNhbOLMPvITXndyRAvb+smX9etBM UQbdA40lFKu21ZrZn8stuo50MCAw5VynxKbGdX8AqFsH6pZW1G kIUKWHGC0gFBMctVfTn0jzw3QDEmrnhK0Nca2YksZ8p/fMImZaqJAZhehPFunwZijArHjcxOVWrnDfSCqgOWwrCNk/aHcX6MUvudUbEnxATILD3MxQ==
nL4TC2qWBc4VYcjAc441hYu20LFrAV9lWxCk+wJUrepMkX10tW gxmtIc8LU09+4JxkMv0D6RZ3FBATT6Mu26XPNYJiMV7H1kTHyt MeyzOCvBFeRURQlIFZIVrEP71u9MvuKwQN2aDxbsBkyUnDGTW0 LlCFMU8q9QxqF/0lkfHJPDTGLfpitE448Abee2ubUvHwoIS2f6k0SYStURZ5w0hg ==
nL4TC2qWBc4VYcjAc441hSJiLYTbtJxBHhpjW7LJ+08uWN1Tm1 jd55fxsJE9siHTm5m7HECmZlgWSb5FjtYS6Jk/Sgim19NVijwet/8jMJidIkDlKG0g4AdslwXkjn4oCTlYEauOQGlpvopL9zAePO7m NiBcWddiqI8Ng0pCT0Ptfk9gHZCzffQI4Nr4zaOvFeCk7iZ8Rq su8YlNTxrjiA==
nL4TC2qWBc4VYcjAc441hYXsQMPJdHvK2+VPZsTRKNHvor5hSS 5CFBx8TKMyPRAHCe9KpkQSpyVQYIWjgthzfC5Omgm592lakbj3 ReHh+Rr/TYXcaxJG/WI8iBtjIZtO9z6P/bxJGSQGQz28cxMcEwrL4zp1+d+qZJswINULmp3tIlP09cNTan8 Uxwoxsm9JIOHX1oTlTAj6VA38J9zydQ==


Log after booting windows:
UVLY+3xs9LIslFFJL9zz9ZX/E8tch0h1gXBEL4FgoejQ9yQ/0abH8BYtlJeU1ADcs3b0/FglupjCOZRDJD9/KLdVEi08FRYdJTv3d+49ZvMG3bBuU7y1BLcnGE2IW8ckWdxwEW wmloNGnT45//ZLUY/2MiI4zGQ3vbjKa8ZdQLJakz3mYFUguqHgr3jMiUK+vCyRFHJzl WjjtRh80bEa8IpiE+RmnSg2dZgQ4JChEeCcOs7Y7s5TVLUBxjz +/Hu6SIax3N2tlZO9hnGxg9wULIJLsuG6OLeDgN1/SkLc+A1vILblAC78v2c1rtzl2YFS
F6ny/x7M/S/F1fu0oS2K41aR1n8URVQQ+ipS4NMLIkQoWhR5YEQMq2Tq5SP+R dIHOAK24BphUozP+qFOCzuZoHP7mp0go/CB7+dezIffREyUNxpBr/7TreNAMupEQZuXoYZ1ZK3RUp26lVC54OvJErbzf/vU3anSdzCZB/k3+nzlyahYzLSFjTnfn7F3xFf3Ld/UboNIaX27l1xLN6P3Xv4LS7vAzFlAnHbPF2v0Fao=
nL4TC2qWBc4VYcjAc441hbGgGtsu0jLh4PU5Ds6khrIuAlsj5N/hUWg/WXxvw5DuybZt9yk8G32bU8DBNFegmQmpfl1bdjACuMdkshE5GT vxo8HfF2II0Yg1XBN57NQFWbzKUgE3lxgHXHqKxQHkxgbVL0kO z7NMoiWXlvrFF4Ll9z/HT43VMwbb5wAETXsR6xNW47JAdPmxBDc+4v4NiA==
nL4TC2qWBc4VYcjAc441hXTNhbOLMPvITXndyRAvb+smX9etBM UQbdA40lFKu21ZrZn8stuo50MCAw5VynxKbGdX8AqFsH6pZW1G kIUKWHGC0gFBMctVfTn0jzw3QDEmrnhK0Nca2YksZ8p/fMImZaqJAZhehPFunwZijArHjcxOVWrnDfSCqgOWwrCNk/aHcX6MUvudUbEnxATILD3MxQ==
nL4TC2qWBc4VYcjAc441hYu20LFrAV9lWxCk+wJUrepMkX10tW gxmtIc8LU09+4JxkMv0D6RZ3FBATT6Mu26XPNYJiMV7H1kTHyt MeyzOCvBFeRURQlIFZIVrEP71u9MvuKwQN2aDxbsBkyUnDGTW0 LlCFMU8q9QxqF/0lkfHJPDTGLfpitE448Abee2ubUvHwoIS2f6k0SYStURZ5w0hg ==
nL4TC2qWBc4VYcjAc441hSJiLYTbtJxBHhpjW7LJ+08uWN1Tm1 jd55fxsJE9siHTm5m7HECmZlgWSb5FjtYS6Jk/Sgim19NVijwet/8jMJidIkDlKG0g4AdslwXkjn4oCTlYEauOQGlpvopL9zAePO7m NiBcWddiqI8Ng0pCT0Ptfk9gHZCzffQI4Nr4zaOvFeCk7iZ8Rq su8YlNTxrjiA==
nL4TC2qWBc4VYcjAc441hYXsQMPJdHvK2+VPZsTRKNHvor5hSS 5CFBx8TKMyPRAHCe9KpkQSpyVQYIWjgthzfC5Omgm592lakbj3 ReHh+Rr/TYXcaxJG/WI8iBtjIZtO9z6P/bxJGSQGQz28cxMcEwrL4zp1+d+qZJswINULmp3tIlP09cNTan8 Uxwoxsm9JIOHX1oTlTAj6VA38J9zydQ==
1G2JyAkrPgv/ueMVOOIxM1N4R/YZ0sPt0+C12e7hOozHdq0X/4Dx7ts4wpXyU7tIkFGbZ+J83Fm/LXnoFT5nKzcxF9QlAxFsNsSCSmIqHmTHAcmozZUMIUkA0VxlRN 3HlziCYix2Cb/JIsJC2uteuMeCNWpbyvV1dF0hC6JICDDjnX+ZWEOACSd17HoiE X2km5YLQfoTem9TJUBFVQPZkobWhIBIAYjyWV44XyYbjuk=
UVLY+3xs9LIslFFJL9zz9ZX/E8tch0h1gXBEL4FgoejQ9yQ/0abH8BYtlJeU1ADcjmn6oVtG/lbdqEUMad3ur4770hENsJA17NtFCNlcLNtzRba9s5bqe/suk3L23LIUvY3SD0WKUCPdZ3prWU8T/Da7ZffRoasnEItPwN8mcEp4ii7p2NNLcnx5Fsu4eM4flVOJs3K QzZfYVCWOufh/cVJqrOMzOZVPVsMWO4QcmkFwwd01pB1QWBf/CEi9YNsDIrsGpwBhpbf2fHVaJfuLYFxvN2sfpI2Wcv9kWeOMdB uszk38QKAQ3H3j6vsmPSmE
F6ny/x7M/S/F1fu0oS2K41aR1n8URVQQ+ipS4NMLIkQoWhR5YEQMq2Tq5SP+R dIH38O8Nft/Z14C+Me4M/j2CDkpsHJ3r7UgHojDRxwDWssNiGlkTWIyeQd7NJkkMH+OsA0I 0J3GPKOAAnozee8LKHxL8hIV1GwrqV+I8lGRFbgMu8JIqRR+F/rnm7tYDJUfagoAO876/VGBiHNJzTOm4hFYX6j/wC94Y/HCYJ96Nns=
nL4TC2qWBc4VYcjAc441hbGgGtsu0jLh4PU5Ds6khrIuAlsj5N/hUWg/WXxvw5Du6PHMSSLFnpy5J2NvhxBpYQWZl/MXm7Bz7b4+fc8p6Pi7rFQM3WFbNm3Mky6ONdEet/W30k/bC/WClPboQB793HsAOq5Sxu5KHane+97Hi+wlVTVn7X0AQ9FsWhgD 6Iv3t92OscZ94Hud3IQNy1u3wQ==
nL4TC2qWBc4VYcjAc441hbGgGtsu0jLh4PU5Ds6khrIuAlsj5N/hUWg/WXxvw5Du6PHMSSLFnpy5J2NvhxBpYagFPVQj+vbQkaFzFAO5OA xzPBQxYswgcD28KtTwOH4UpaTlFdeRsatCcUfTzYByt37H0kiu +HIAuPW4Kb+0a4t9dtLllj7V0m1c3TMgv76nhPmnR7UUzccSNY qsS5zv5Q==
nL4TC2qWBc4VYcjAc441hYRwCuidw1fEhDxkX9yL0bTJ1J0cqt UE7D9/9xJnAHr8pSXR76Y8d7b0IFPINs/mFeCb+YAL5Irt+M8FB+xgkAvXdOP7F/tU/m5iEmFLap/V7DbTNfhUuxizyWmRI8OsFSjxTJ4W1Ki6vHMyj9HXuA1YKCgAH uBt49L+YmgCHOqkVhi2O87Y6WwzsN7n29A3YA==
nL4TC2qWBc4VYcjAc441hQJA9BBH9IDLX8w6GszOX+wL2i8RjZ aqIuE6ez+ZsthkQRMjgqa3rK7BLFMrfxqubvuZ8OhW1jPHrl1l d5SM6npGUTg177TZ/EuqQXzErqQtUj6mKMBF/lEf+vuSIxE99CrWjikNQMJQNue0mX6w4a6huCfNachqIeMhk4l tw0RvltYXCyHravjYw2QKpwXICw==
nL4TC2qWBc4VYcjAc441hYXsQMPJdHvK2+VPZsTRKNHvor5hSS 5CFBx8TKMyPRAH2slUf2KP7SalvdqpgLTqtegCQd8uZ5BhIKla bv2MEhsikb/N3MgPP6vM6kREnsYVXqJV4//KP0f23J/2CSa4yqrClKPvibERp9m3bpffkC+0wfIN2X59+eOpaTSKM+ZkZ oNg4PRWhdnzgTvBMmR5Rg==

As for the dlm, I had to update the service file, but its working:
dlm.service - DisplayLink Manager Service
Loaded: loaded (/usr/lib64/systemd/system/dlm.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2016-11-04 17:02:02 CET; 4min 24s ago
Process: 418 ExecStartPre=/sbin/modprobe evdi (code=exited, status=0/SUCCESS)
Main PID: 424 (DisplayLinkMana)
Memory: 6.9M
CPU: 410ms
CGroup: /system.slice/dlm.service
└─424 /opt/displaylink/DisplayLinkManager

Nov 04 17:02:02 localhost systemd[1]: Starting DisplayLink Manager Service...
Nov 04 17:02:02 localhost systemd[1]: Started DisplayLink Manager Service.

How can I make sure the firmware is loading?
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Old 11-08-2016, 08:35 AM   #4
harriebo
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Posts: 3
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So the dlm.service is loaded after the display-manager for sure:

[Unit]
Description=DisplayLink Manager Service
After=display-manager.service
Conflicts=getty@tty7.service

[Service]
ExecStartPre=/sbin/modprobe evdi
ExecStart=/opt/displaylink/DisplayLinkManager
Restart=always
WorkingDirectory=/opt/displaylink
RestartSec=5

[Install]
WantedBy=graphical.target


Is there a way to decode the log files?
I really would like to resolve this, because now I am booting to windows every work day.
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