[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/558378
Title:
1002:7942 Please blacklist ATI XPRESS 1250 from Kernel mode-setting
Status in “linux” package in Ubuntu:
Expired
Bug description:
Please add ATI Technologies Inc Radeon Xpress 1250 [1002:7942] to the
kernel drm KMS blacklist.
Testing has shown that KMS support for the ati xpress 1250 is inadequate,
often resulting in a regression where the system hangs during boot up. Testers
have found that booting with radeon.modeset=0 restores the system
functionality. This is why this particular video card should be blacklisted.
As suggested by Brice Harrington in bug #542208, comment 17, it is
better to keep one report per chip.
[initial bug report: symptoms of what happens when one tries to boot with kms
enabled]
Here are some details of what happens:
1. setting nomodeset option
2. editing boot option, removing quiet and splash
3. Selecting Try Ubuntu
4. System begins to boot, lots of messages are printed on the screen
5. After 2-3 seconds, screen goes black although disk activity continues
6. Screen keeps being black and the computer is unusable
ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 3992 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xd0000000 irq 16'
Mixer name : 'Realtek ALC262'
Components : 'HDA:11c13026,2117144d,00100700
HDA:10ec0262,144dc511,00100002'
Controls : 18
Simple ctrls : 12
Date: Thu Apr 8 11:35:16 2010
DistroRelease: Ubuntu 10.04
LiveMediaBuild: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R19/R20/R21
Package: linux-image-2.6.32-16-generic 2.6.32-16.25
ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true
persistent file=/cdrom/preseed/hostname.seed boot=casper
initrd=/casper/initrd.lz nosplash -- nomodeset console-setup/layoutcode=fr
console-setup/variantcode=oss
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
Regression: Yes
RelatedPackageVersions: linux-firmware 1.32
Reproducible: Yes
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
TestedUpstream: No
Uname: Linux 2.6.32-16-generic x86_64
dmi.bios.date: 07/18/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 14SH
dmi.board.name: R19/R20/R21
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvr14SH:bd07/18/2007:svnSAMSUNGELECTRONICSCO.,LTD.:pnR19/R20/R21:pvr09SH:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR19/R20/R21:rvr:cvnSAMSUNGELECTRONICSCO.,LTD.:ct1:cvrN/A:
dmi.product.name: R19/R20/R21
dmi.product.version: 09SH
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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