Temporary graphics glitch on login on Mobility Radeon HD 5470

[Tom Smith]

On a brand new install of the 12.10 beta on an Acer Aspire 7741G (model MS2309) with ATI Mobility Radeon 5470.

Install Ubuntu 12.10 beta
Login

The graphics will glitch and then pause for a couple of seconds, before logging you in and all being fine.

This bug does not seem to cause any other issue other than being pretty ugly during login.

The bug also occurs on an Acer Aspire 5551-A (model NEW75) with ATI Mobility Radeon HD 4250.

Not sure what more information I can provide to help with this bug.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-ati 1:6.99.99~git20120713.6ef1ad6a-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
Uname: Linux 3.5.0-13-generic x86_64
ApportVersion: 2.5.1-0ubuntu4
Architecture: amd64
CurrentDmesg:
 [ 21.274483] tg3 0000:03:00.0: eth0: Flow control is on for TX and on for RX
 [ 21.274893] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
 [ 21.817028] IPv6: eth0: IPv6 duplicate address fe80::226:2dff:fea6:34a2 detected!
Date: Sat Sep 8 14:33:54 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Manhattan [Mobility Radeon HD 5400 Series] [1002:68e0] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:037e]
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120905.2)
Lsusb:
 Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 003: ID 04f2:b1d8 Chicony Electronics Co., Ltd
MachineType: Acer Aspire 7741
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-13-generic root=UUID=055bdb7c-b7bf-4f93-8a94-f16807e980cb ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-ati
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/03/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.09
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire 7741
dmi.board.vendor: Acer
dmi.board.version: V1.09
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.09
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.09:bd05/03/2010:svnAcer:pnAspire7741:pvrV1.09:rvnAcer:rnAspire7741:rvrV1.09:cvnAcer:ct10:cvrV1.09:
dmi.product.name: Aspire 7741
dmi.product.version: V1.09
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.8.0-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.38-0ubuntu2
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120821.c1114c61-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120821.c1114c61-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.12.99.905-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120713.6ef1ad6a-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.3-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.1-4~ubuntu1

[Tom Smith (takeontom)]

Just to confirm the same glitch has occured a 2nd Acer Aspire 5551-A (model NEW75) with ATI Mobility Radeon HD 4250.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Maarten Lankhorst (mlankhorst)]

Is this still an issue with the new ddx?

[bugbot (bugbot)]

We're closing this bug since there has not been a response from the original reporter. However, the issue still exists please feel free to reopen with the requested information. If you're not the original reporter, we'd prefer you file a new bug report.

Some tips:

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    Bugs marked as affecting the development version tend to get priority attention.

  * The `xdiagnose` utility has functionality for enabling debugging and
    analyzing a few common X problems.

  * Tag your bugs with the Ubuntu versions you have reproduced the issue in.

  * See https://wiki.ubuntu.com/X/Reporting for tips on writing good bug reports.