Verified on Saucy with stock kernel and 3.12.0 mainline.
Booting with pci=noacpi works, hangs without.
** Tags added: kernel-bug-exists-upstream-3.12.0 saucy
** Tags removed: needs-upstream-testing
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1007138
Title:
Initializing discrete graphics driver nouveau hangs system
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
System hangs when loading nouveau (NVS 4200m) driver without pci=noacpi 9 out
of 10 times.
System is Lenovo T420s (7174P4G) set to "discrete graphics" (optimus
disabled) in bios.
(Need this to work with large external monitor).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-24-generic 3.2.0-24.39
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: gbs4 2316 F.... pulseaudio
/dev/snd/controlC0: gbs4 2316 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf4320000 irq 26'
Mixer name : 'Conexant CX20590'
Components : 'HDA:14f1506e,17aa21d2,00100000'
Controls : 8
Simple ctrls : 5
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xf3000000 irq 11'
Mixer name : 'Nvidia GPU 1c HDMI/DP'
Components : 'HDA:10de001c,17aa21d2,00100100'
Controls : 18
Simple ctrls : 3
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Thu May 31 23:05:04 2012
HibernationDevice: RESUME=UUID=18b3caac-9a0d-4a39-b658-df34a8a7f1b1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: LENOVO 4174P4G
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic
root=/dev/mapper/u_sys-lv_root ro gfxpayload=text rdblacklist=nouveau acpi=noirq
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.2.0-24-generic N/A
linux-backports-modules-3.2.0-24-generic N/A
linux-firmware 1.79
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/29/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8CET51WW (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4174P4G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8CET51WW(1.31):bd11/29/2011:svnLENOVO:pn4174P4G:pvrThinkPadT420s:rvnLENOVO:rn4174P4G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4174P4G
dmi.product.version: ThinkPad T420s
dmi.sys.vendor: LENOVO
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