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no console prints in boot after kms is loaded [solved]
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5365

PostPosted: Sat Nov 14, 2015 7:33 pm    Post subject: no console prints in boot after kms is loaded [solved] Reply with quote

Greetings,

I've encountered a strange issue that I cannot seems to fix, when my system boots, up until kms is loaded I can see the prints to screen.
but after kms is loaded, I get black screen up until sddm starts.

I see the same behavior when I try to drop to shell from the gui.
happens to me with both intel and amd gpus so I assume this is a config issue.

emegre --info:
Code:
setlocale: unsupported locale setting
Portage 2.2.24 (python 2.7.10-final-0, default/linux/amd64/13.0/desktop/plasma, gcc-4.9.3, glibc-2.22-r1, 4.3.0-gentoo x86_64)
=================================================================
System uname: Linux-4.3.0-gentoo-x86_64-Intel-R-_Core-TM-_i7-2600_CPU_@_3.40GHz-with-gentoo-2.2
KiB Mem:    14878680 total,    277832 free
KiB Swap:   16777212 total,  16777144 free
Timestamp of repository gentoo: Sat, 14 Nov 2015 13:00:01 +0000
sh bash 4.3_p39
ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1
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:          2.7.10-r2::gentoo, 3.3.5-r2::gentoo, 3.4.3-r2::gentoo
dev-util/cmake:           3.4.0::gentoo
dev-util/pkgconfig:       0.29::gentoo
sys-apps/baselayout:      2.2::gentoo
sys-apps/openrc:          0.18.3::gentoo
sys-apps/sandbox:         2.9::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69::gentoo
sys-devel/automake:       1.11.6-r1::gentoo, 1.12.6::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-r1::gentoo
sys-devel/make:           4.1-r1::gentoo
sys-kernel/linux-headers: 4.3::gentoo (virtual/os-headers)
sys-libs/glibc:           2.22-r1::gentoo
Repositories:

gentoo
    location: /mnt/portage/tree/official
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-extra-opts: --timeout=180

Utopia_Platinia
    location: /usr/local/portage
    masters: gentoo
    priority: 0

kde
    location: /var/lib/layman/kde
    masters: gentoo
    priority: 1

tox-overlay
    location: /var/lib/layman/tox-overlay
    masters: gentoo
    priority: 2

x11
    location: /var/lib/layman/x11
    masters: gentoo
    priority: 3

Installed sets: @openwrt-prerequisites
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA FraunhoferFDK dlj-1.1 skype-4.0.0.7-copyright Broadcom PUEL googleearth LOKI-EULA AdobeFlash-11.x RTCW-ETEULA ut2003 MakeMKV-EULA Q3AEULA TeamViewer"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe -msse4.1"
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/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=native -O2 -pipe -msse4.1"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--keep-going --quiet-build=n"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs collision-protect 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 userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="ftp://mirror.isoc.org.il/gentoo/ ftp://ftp.halifax.rwth-aachen.de/gentoo/"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j9"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_EXTRA_OPTS="--timeout=180"
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="X a52 aac acl acpi aio alsa amd64 amr audiofile avx bash-completion berkdb bidi branding bzip2 c++0x cairo cdda cdparanoia cdr cjk cleartype cli consolekit cracklib crypt css cups curl cxx dbus declarative device-mapper dga dri drm dts dv dvb dvd dvdr dvdread edb emboss encode exif faad fam ffmpeg firefox flac ftp gallium gdbm gif glamor gphoto2 gpm gtk iconv icq icu id3tag imagemagick java javascript jpeg jpeg2k kde kipi lame lcms ldap libnotify lua lzma mad matroska mmx mmxext mng modules mp3 mp4 mpeg mtp multilib nas ncurses nls nptl nsplugin ogg openal openexr opengl openmp oss pam pango pcre pdf perl phonon php plasma png policykit ppds private-headers python qml qt3support qt5 quicktime readline real samba scanner sdl seccomp semantic-desktop session smp sndfile spell srt sse sse2 sse3 sse4_1 sse4_2 ssl ssse3 startup-notification svg tcpd theora threads tiff truetype udev udisks udisks2 unicode upower usb v4l v4l2 vaapi vcd vdpau vorbis vpx wavpack widgets wifi wma wxwidgets x264 x265 xattr xcb xcomposite xinerama xml xosd xrandr xscreensaver xv xvid xvmc zlib" ABI_X86="64" ALSA_CARDS="hda-intel usb-audio" 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="aes avx mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" 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="pc efi-64" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en he es" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_2 python3_3 python3_4" QEMU_SOFTMMU_TARGETS="x86_64" QEMU_USER_TARGETS="x86_64" RUBY_TARGETS="ruby20 ruby21" SANE_BACKENDS="hp" USERLAND="GNU" VIDEO_CARDS="v4l radeon r600 i915 intel i965" 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, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, USE_PYTHON



kernel config: https://bpaste.net/show/2485ef27ef5e

any ideas?
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein


Last edited by DaggyStyle on Sun Nov 15, 2015 9:13 pm; edited 1 time in total
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khayyam
Watchman
Watchman


Joined: 07 Jun 2012
Posts: 6228
Location: Room 101

PostPosted: Sat Nov 14, 2015 10:37 pm    Post subject: Reply with quote

DaggyStyle ... which framebuffer are you using?

Code:
# cat /proc/fb

As you have both inteldrmfb and radeonfb built as modules one or other probably gains precedence when loading ... or are you passing some option as a kernel parameter?

In my case I have inteldrmfb as the framebuffer, but for some reason (possibly a change in 4.3.x kconfig) I don't see DRM_I915_FBDEV in your .config

Code:
# grep DRM_I915 /usr/src/linux/.config
CONFIG_DRM_I915=y
CONFIG_DRM_I915_KMS=y
CONFIG_DRM_I915_FBDEV=y
# CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT is not set

Anyhow, the 'blanking' is a known effect of KMS conflicting with another framebuffer (normally one of those provided by 'Frame buffer hardware drivers', but in your case it may be one or other of inteldrmfb or radeonfb) ... generally its advised to build the KMS used for the framebuffer into the kernel.

best ... khay
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5365

PostPosted: Sat Nov 14, 2015 10:55 pm    Post subject: Reply with quote

khayyam wrote:
DaggyStyle ... which framebuffer are you using?

Code:
# cat /proc/fb

As you have both inteldrmfb and radeonfb built as modules one or other probably gains precedence when loading ... or are you passing some option as a kernel parameter?

In my case I have inteldrmfb as the framebuffer, but for some reason (possibly a change in 4.3.x kconfig) I don't see DRM_I915_FBDEV in your .config

Code:
# grep DRM_I915 /usr/src/linux/.config
CONFIG_DRM_I915=y
CONFIG_DRM_I915_KMS=y
CONFIG_DRM_I915_FBDEV=y
# CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT is not set

Anyhow, the 'blanking' is a known effect of KMS conflicting with another framebuffer (normally one of those provided by 'Frame buffer hardware drivers', but in your case it may be one or other of inteldrmfb or radeonfb) ... generally its advised to build the KMS used for the framebuffer into the kernel.

best ... khay


greetings, I use none.

I've disabled all other to be sue it isn't that issue.
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5365

PostPosted: Sun Nov 15, 2015 8:03 pm    Post subject: Reply with quote

btw, DRM_I915_FBDEV doesn't exists in kernel 4.3.
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5365

PostPosted: Sun Nov 15, 2015 9:14 pm    Post subject: Reply with quote

solved!

I've enabled the following configs:

  • CONFIG_DRM_FBDEV_EMULATION
  • CONFIG_FB_MODE_HELPERS
  • CONFIG_FB_SIMPLE


and I got the console back.

I think CONFIG_FB_SIMPLE and CONFIG_DRM_FBDEV_EMULATION fixed it.
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