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Black screen was after fresh install.
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Warezovvv
n00b
n00b


Joined: 22 Aug 2016
Posts: 3
PostPosted: Mon Aug 22, 2016 12:44 am    Post subject: Black screen was after fresh install. Reply with quote
Hello gentoo experts. Im just installed gentoo and get a lot of problems.
I installed with systemd only without DE.
Also after fresh installation I had black screen, just black screen without console or grub menu.
After I googled a lot before write here and now I have some sort of log,
I attach lot of info about my system and log from screen*khe-khe*shot.
Thanks a lot!
Also, when I installed grub, i have warning "EFI variables not supported ... ".
boot log

lsblk output

Code:
NAME   FSTYPE   LABEL       UUID                                 MOUNTPOINT
sda                                                             
|-sda1 vfat                 18F7-5D12                           
|-sda2 swap                 7d5a0652-1af2-459b-9398-b43cb0d398e8
`-sda3 btrfs                66a5a553-ab92-44ed-a328-79e9a240dd6b /mnt/gentoo
sdb                                                             
`-sdb1 btrfs                4ee6682b-0eda-40d8-bc54-5cb1b95c2d33
sdc                                                             
`-sdc1 vfat     GENTOO LINU C29E-B05F                            /mnt/cdrom
sdd                                                             
`-sdd1 vfat     ARCH_201606 A8CA-AE44                            /mnt/fuck
loop0  squashfs                                                  /mnt/livecd


Fstab config

Code:

# /etc/fstab: static file system information.
#
# noatime turns off atimes for increased performance (atimes normally aren't
# needed); notail increases performance of ReiserFS (at the expense of storage
# efficiency).  It's safe to drop the noatime options if you want and to
# switch between notail / tail freely.
#
# The root filesystem should have a pass number of either 0 or 1.
# All other filesystems should have a pass number of 0 or greater than 1.
#
# See the manpage fstab(5) for more information.
#

# <fs>         <mountpoint>   <type>      <opts>      <dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/sda1      /boot      vfat      defaults,noatime   0 2
/dev/sda3      /      btrfs      noatime      0 1
/dev/sda2      none      swap      sw      0 0
/dev/sdb1      /home      btrfs      noatime      0 1
/dev/cdrom      /mnt/cdrom   auto      noauto,ro   0 0
/dev/fd0      /mnt/floppy   auto      noauto      0 0


grub from default

Code:
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
#
# To populate all changes in this file you need to regenerate your
# grub configuration file afterwards:
#     'grub2-mkconfig -o /boot/grub/grub.cfg'
#
# See the grub info page for documentation on possible variables and
# their associated values.

GRUB_DISTRIBUTOR="Gentoo"

# Default menu entry
#GRUB_DEFAULT=0

# Boot the default entry this many seconds after the menu is displayed
GRUB_TIMEOUT=5
GRUB_TIMEOUT_STYLE=menu

# Append parameters to the linux kernel command line
#GRUB_CMDLINE_LINUX="init=/usr/lib/systemd/systemd"
#
# Examples:
#
# Boot with network interface renaming disabled
# GRUB_CMDLINE_LINUX="net.ifnames=0"
#
# Boot with systemd instead of sysvinit (openrc)
GRUB_CMDLINE_LINUX="init=/usr/lib/systemd/systemd"

# Append parameters to the linux kernel command line for non-recovery entries
#GRUB_CMDLINE_LINUX_DEFAULT=""

# Uncomment to disable graphical terminal (grub-pc only)
GRUB_TERMINAL=console

# The resolution used on graphical terminal.
# Note that you can use only modes which your graphic card supports via VBE.
# You can see them in real GRUB with the command `vbeinfo'.
#GRUB_GFXMODE=640x480

# Set to 'text' to force the Linux kernel to boot in normal text
# mode, 'keep' to preserve the graphics mode set using
# 'GRUB_GFXMODE', 'WIDTHxHEIGHT'['xDEPTH'] to set a particular
# graphics mode, or a sequence of these separated by commas or
# semicolons to try several modes in sequence.
#GRUB_GFXPAYLOAD_LINUX=

# Path to theme spec txt file.
# The starfield is by default provided with use truetype.
# NOTE: when enabling custom theme, ensure you have required font/etc.
#GRUB_THEME="/boot/grub/themes/starfield/theme.txt"

# Background image used on graphical terminal.
# Can be in various bitmap formats.
#GRUB_BACKGROUND="/boot/grub/mybackground.png"

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to kernel
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY=true

# Uncomment to disable generation of the submenu and put all choices on
# the top-level menu.
# Besides the visual affect of no sub menu, this makes navigation of the
# menu easier for a user who can't see the screen.
#GRUB_DISABLE_SUBMENU=y

# Uncomment to play a tone when the main menu is displayed.
# This is useful, for example, to allow users who can't see the screen
# to know when they can make a choice on the menu.
#GRUB_INIT_TUNE="60 800 1"


grub cfg

Code:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}

function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod btrfs
set root='hd0,gpt3'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt3 --hint-efi=hd0,gpt3 --hint-baremetal=ahci0,gpt3  66a5a553-ab92-44ed-a328-79e9a240dd6b
else
  search --no-floppy --fs-uuid --set=root 66a5a553-ab92-44ed-a328-79e9a240dd6b
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=5
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Gentoo GNU/Linux' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-66a5a553-ab92-44ed-a328-79e9a240dd6b' {
   load_video
   if [ "x$grub_platform" = xefi ]; then
      set gfxpayload=keep
   fi
   insmod gzio
   insmod part_gpt
   insmod fat
   set root='hd0,gpt1'
   if [ x$feature_platform_search_hint = xy ]; then
     search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  18F7-5D12
   else
     search --no-floppy --fs-uuid --set=root 18F7-5D12
   fi
   echo   'Loading Linux 4.1.15-gentoo-r1 ...'
   linux   /vmlinuz-4.1.15-gentoo-r1 root=/dev/sda3 ro init=/usr/lib/systemd/systemd
}
submenu 'Advanced options for Gentoo GNU/Linux' $menuentry_id_option 'gnulinux-advanced-66a5a553-ab92-44ed-a328-79e9a240dd6b' {
   menuentry 'Gentoo GNU/Linux, with Linux 4.1.15-gentoo-r1' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.1.15-gentoo-r1-advanced-66a5a553-ab92-44ed-a328-79e9a240dd6b' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_gpt
      insmod fat
      set root='hd0,gpt1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  18F7-5D12
      else
        search --no-floppy --fs-uuid --set=root 18F7-5D12
      fi
      echo   'Loading Linux 4.1.15-gentoo-r1 ...'
      linux   /vmlinuz-4.1.15-gentoo-r1 root=/dev/sda3 ro init=/usr/lib/systemd/systemd
   }
   menuentry 'Gentoo GNU/Linux, with Linux 4.1.15-gentoo-r1 (recovery mode)' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.1.15-gentoo-r1-recovery-66a5a553-ab92-44ed-a328-79e9a240dd6b' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_gpt
      insmod fat
      set root='hd0,gpt1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  18F7-5D12
      else
        search --no-floppy --fs-uuid --set=root 18F7-5D12
      fi
      echo   'Loading Linux 4.1.15-gentoo-r1 ...'
      linux   /vmlinuz-4.1.15-gentoo-r1 root=/dev/sda3 ro single init=/usr/lib/systemd/systemd
   }
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###


lspci

Code:
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx0 port B) (rev 02)
00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port B)
00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port D)
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port E)
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port F)
00:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port G)
00:09.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port H)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (rev 40)
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 42)
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) (rev 40)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller (rev 40)
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge (rev 40)
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
00:15.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0)
00:16.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:16.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 5
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 09)
03:00.0 USB controller: ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller
04:00.0 SATA controller: ASMedia Technology Inc. ASM1062 Serial ATA Controller (rev 01)
05:00.0 USB controller: ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller
06:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
07:06.0 Multimedia audio controller: C-Media Electronics Inc CMI8788 [Oxygen HD Audio]
07:07.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0)
08:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn XT [Radeon HD 7870 GHz Edition]
08:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
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eccerr0r
Watchman
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Joined: 01 Jul 2004
Posts: 9679
Location: almost Mile High in the USA
PostPosted: Mon Aug 22, 2016 3:14 am    Post subject: Reply with quote
Black screen or with cursor?

Do you see any of GRUB startup?

Did the screen flicker from mode changes?

What happens with no grub,cfg at all?


Wait, what is with that screenshot? Is that what you get now stuck at that screen?
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Intel Core i7 2700K/Radeon R7 250/24GB DDR3/256GB SSD
What am I supposed watching?
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Warezovvv
n00b
n00b


Joined: 22 Aug 2016
Posts: 3
PostPosted: Mon Aug 22, 2016 10:57 am    Post subject: Reply with quote
Hi, thanks for reply!
So this was a black screen and after I googled, I recompiled core with "framebuffer support of console" (something like this) and after reboot it showed this log.

Quote:
Black screen or with cursor?

Just black screen without anything.


Quote:
Do you see any of GRUB startup?

No, nothing. And after reboot with real log, nothing from grub.

Quote:
Did the screen flicker from mode changes?

If I get it right, after power up it flicker one time, when OS must show up, but nothing. (until this log)

Quote:
What happens with no grub,cfg at all?

grub.conf in boot? Will try it tonight

Quote:
Wait, what is with that screenshot? Is that what you get now stuck at that screen?

Ye. I think it some sort of ATI radeon framebuffer error. May be I need show my .config of kernel?
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eccerr0r
Watchman
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Joined: 01 Jul 2004
Posts: 9679
Location: almost Mile High in the USA
PostPosted: Mon Aug 22, 2016 3:17 pm    Post subject: Reply with quote
I'm confused now. Without grub.cfg you should get the grub prompt. But if you got past that (and seemingly by the screenshot you did) grub did its job except didn't show it. So grub either was not configured properly for EFI or perhaps you set EFI to boot your kernel instead of EFI.

Now that you did get to the kernel it gets stuck...well now that's a bit tougher as it looks like it's having trouble going to the Radeon Framebuffer... If you had just the EFI framebuffer without Radeon, you should have been able to get at least this far too, hence confusion...
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Warezovvv
n00b
n00b


Joined: 22 Aug 2016
Posts: 3
PostPosted: Mon Aug 22, 2016 7:07 pm    Post subject: Reply with quote
To be honest, I just realized that boot usb haven't /sys/firmware/efi. Is it okay?) My motherboard is one of new ones) How can I boot from UEFI?

https://www.asus.com/Motherboards/M5A97_R20/
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Roman_Gruber
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Joined: 03 Oct 2006
Posts: 3846
Location: Austro Bavaria
PostPosted: Tue Aug 23, 2016 10:15 am    Post subject: Reply with quote
Quote:
How can I boot from UEFI?


With a boot manager, e.g. grub2, and here a list

https://packages.gentoo.org/categories/sys-boot

also gentoo handbook, section setup grub / bootloader.
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