After the upgrade 12.04 until 12.10 black screen before loading lighdm. Pls, fix it.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: plymouth 0.8.4-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
Date: Tue Oct 30 15:43:46 2012
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
InstallationDate: Installed on 2010-06-25 (857 days ago)
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Gigabyte Technology Co., Ltd. GA-MA785GMT-UD2H
MarkForUpload: True
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=04f9caf0-db00-4d7f-8fe0-b819233a856c ro vga=791 quiet splash mem=6144m vt.handoff=7
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ru_UA.UTF-8
SHELL=/bin/bash
ProcFB:
0 radeondrmfb
1 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=04f9caf0-db00-4d7f-8fe0-b819233a856c ro vga=791 quiet splash mem=6144m vt.handoff=7
SourcePackage: plymouth
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: Upgraded to quantal on 2012-10-22 (7 days ago)
dmi.bios.date: 11/30/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F5
dmi.board.name: GA-MA785GMT-UD2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd11/30/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA785GMT-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA785GMT-UD2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA785GMT-UD2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
I see that you're passing a non-standard 'vga=791' boot option here. It's possible this is interfering with the radeon framebuffer in some way. If you drop this boot option, does the problem go away?