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[Qemu-devel] [Bug 1649040] Re: Ubuntu 16.04.1 Grub Splash Doesn't Appear


From: LPNow
Subject: [Qemu-devel] [Bug 1649040] Re: Ubuntu 16.04.1 Grub Splash Doesn't Appear
Date: Fri, 23 Dec 2016 10:46:11 -0000

It's the same in 2.8.0 but I will test it again when I get some time for
vmware.

I used vmware because it offers better resolution.

After posting this issue I have learned a little about virtio and for a
few times I was able to boot it with -vag virtio and this was really
nice. I was able to resize and qemu will fill the screen to fit.

But now when I boot with -vga virtio it just sits there and won't start
Ubuntu.

These are the options I'm using;

qemu-system-x86_64 -drive 
if=none,id=drive0,cache=none,aio=threads,format=raw,file=ubuntu.img,index=0 \
-object iothread,id=iothread0 \
-machine type=q35,accel=kvm,kernel_irqchip=on \
-device virtio-blk-pci,drive=drive0,scsi=off,config-wce=off,iothread=iothread0 \
-cpu host \
--enable-kvm \
-smp 2 \
-m 4096 \
-vga virtio \
-soundhw ac97 \
-usbdevice tablet \
-rtc base=localtime

I do not understand how QEMU boots options just fine for a few times,
then another time you go back and try and nothing works...

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1649040

Title:
  Ubuntu 16.04.1 Grub Splash Doesn't Appear

Status in QEMU:
  New

Bug description:
  My Specs:

  Slackware 14.2 x86_64 > Host
  QEMU 2.7.0

  Ubuntu 16.04.1 x86_64 > Guest

  Start options for Ubuntu:

  qemu-system-x86_64 -drive format=raw,file=ubuntu.img \
  -cpu host \
  --enable-kvm \
  -smp 2 \
  -m 4096 \
  -vga vmware \
  -soundhw ac97 \
  -usbdevice tablet \
  -rtc base=localtime \
  -usbdevice host:0781:5575

  I've started Ubuntu around 6-8 times, and I have only see the Grub
  Boot Splash appear twice, so pretty much without fail it typically
  boots past the grub splash and automatically boots...

  These are the /etc/default/grub settings; (I only changed these
  options GRUB_TIMEOUT=15 and GRUB_GFXMODE=1440x900)

  # If you change this file, run 'update-grub' afterwards to update
  # /boot/grub/grub.cfg.
  # For full documentation of the options in this file, see:
  #   info -f grub -n 'Simple configuration'

  GRUB_DEFAULT=0
  GRUB_HIDDEN_TIMEOUT=0
  GRUB_HIDDEN_TIMEOUT_QUIET=true
  GRUB_TIMEOUT=15
  GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
  GRUB_CMDLINE_LINUX=""

  # Uncomment to enable BadRAM filtering, modify to suit your needs
  # This works with Linux (no patch required) and with any kernel that obtains
  # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
  #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

  # 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=1440x900

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

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

  # Uncomment to get a beep at grub start
  #GRUB_INIT_TUNE="480 440 1"

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