[Bug 443105] [NEW] tty screen produces garbled graphics when gfxpayload is set

[mabawsa]

Public bug reported:

Binary package hint: grub2

~$ lsb_release -rd
Description:	Ubuntu karmic (development branch)
Release:	9.10
~$ apt-cache policy grub2
grub2:
  Installed: (none)
  Candidate: 1.97~beta3-1ubuntu7
  Version table:
     1.97~beta3-1ubuntu7 0
        500 http://archive.ubuntu.com karmic/universe Packages
~$ sudo hwinfo --framebuffer 
02: None 00.0: 11001 VESA Framebuffer                           
  [Created at bios.464]
  Unique ID: rdCR._t1P2Mk9T7B
  Hardware Class: framebuffer
  Model: "NVIDIA G86 Board - thurman0"
  Vendor: "NVIDIA Corporation"
  Device: "G86 Board - thurman0"
  SubVendor: "NVIDIA"
  SubDevice: 
  Revision: "Chip Rev"
  Memory Size: 14 MB
  Memory Range: 0xf3000000-0xf3dfffff (rw)
  Mode 0x0300: 640x400 (+640), 8 bits
  Mode 0x0301: 640x480 (+640), 8 bits
  Mode 0x0303: 800x600 (+800), 8 bits
  Mode 0x0305: 1024x768 (+1024), 8 bits
  Mode 0x0307: 1280x1024 (+1280), 8 bits
  Mode 0x030e: 320x200 (+640), 16 bits
  Mode 0x030f: 320x200 (+1280), 24 bits
  Mode 0x0311: 640x480 (+1280), 16 bits
  Mode 0x0312: 640x480 (+2560), 24 bits
  Mode 0x0314: 800x600 (+1600), 16 bits
  Mode 0x0315: 800x600 (+3200), 24 bits
  Mode 0x0317: 1024x768 (+2048), 16 bits
  Mode 0x0318: 1024x768 (+4096), 24 bits
  Mode 0x031a: 1280x1024 (+2560), 16 bits
  Mode 0x031b: 1280x1024 (+5120), 24 bits
  Mode 0x0330: 320x200 (+320), 8 bits
  Mode 0x0331: 320x400 (+320), 8 bits
  Mode 0x0332: 320x400 (+640), 16 bits
  Mode 0x0333: 320x400 (+1280), 24 bits
  Mode 0x0334: 320x240 (+320), 8 bits
  Mode 0x0335: 320x240 (+640), 16 bits
  Mode 0x0336: 320x240 (+1280), 24 bits
  Mode 0x033d: 640x400 (+1280), 16 bits
  Mode 0x033e: 640x400 (+2560), 24 bits
  Mode 0x0345: 1600x1200 (+1600), 8 bits
  Mode 0x0346: 1600x1200 (+3200), 16 bits
  Mode 0x0347: 1400x1050 (+1400), 8 bits
  Mode 0x0348: 1400x1050 (+2800), 16 bits
  Mode 0x0349: 1400x1050 (+5600), 24 bits
  Mode 0x034a: 1600x1200 (+6400), 24 bits
  Mode 0x0352: 2048x1536 (+8192), 24 bits
  Mode 0x0360: 1280x800 (+1280), 8 bits
  Mode 0x0361: 1280x800 (+5120), 24 bits
  Mode 0x0362: 768x480 (+768), 8 bits
  Mode 0x0364: 1440x900 (+1440), 8 bits
  Mode 0x0365: 1440x900 (+5760), 24 bits
  Mode 0x0368: 1680x1050 (+1680), 8 bits
  Mode 0x0369: 1680x1050 (+6720), 24 bits
  Mode 0x037c: 1920x1200 (+1920), 8 bits
  Mode 0x037d: 1920x1200 (+7680), 24 bits
  Config Status: cfg=new, avail=yes, need=no, active=unknown
 
Whenever I try to set the gfxpayload to anything greater than 640x480x8 the tty get garbled (the following attachment shows an example). The video card supports the resolution.  I have tried in the linux entry in the 10_linux file (just above the "linux	${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro $2" line) and in the 00_header file:
 set gfxmode=${GRUB_GFXMODE}
  set gfxpayload=keep
  insmod gfxterm
  insmod ${GRUB_VIDEO_BACKEND}

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

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tty screen produces garbled graphics when gfxpayload is set
https://bugs.launchpad.net/bugs/443105
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