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** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1012590
Title:
PXE booting Ubuntu Precise CDs fails to load X (race condition)
Status in linux package in Ubuntu:
Won't Fix
Bug description:
Three different machines fail in the same way:
I'm PXE booting the precise daily live CD [1], and if I let the boot
progress normally, X starts with the "low graphics mode" dialog. The
XOrg log shows an error relating to the drm module[2].
At this point, if I close the "low graphics mode" dialog and restart
lightdm, everything comes up properly.
What's interesting is that if I pass "break=mount" to the kernel and
boot into the busybox shell, and then exit the busybox shell without
changing anything, X loads the desktop perfectly.
I have tried:
* Different machines. I get exactly the same result across three different
machines running different graphics hardware (intel, nvidia, ati).
* Different ISO images (precise daily live CD, precise release DVD, and
quantal daily live CD).
* Putting the graphics driver modules into the CD initrd, so they're loaded
earlier in the boot sequence, all with no effect.
[1]
http://cdimages.ubuntu.com/precise/daily-live/current/precise-desktop-i386.iso
[2] http://static.inky.ws/image/2161/image.jpg
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AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: aplay: device_list:252: no soundcards found...
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
ArecordDevices: arecord: device_list:252: no soundcards found...
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
CasperVersion: 1.315
DistroRelease: Ubuntu 12.04
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120609)
MachineType: MSI MS-7676
NonfreeKernelModules: squashfs overlayfs nfs lockd fscache auth_rpcgss
nfs_acl sunrpc dm_mirror dm_region_hash dm_log usbhid hid i915 drm_kms_helper
drm i2c_algo_bit video r8169 firewire_ohci firewire_core crc_itu_t
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: initrd=/images/dx-autopilot-test/initrd.lz ksdevice=bootif
lang= log_host=10.128.92.2 locale=en_US netboot=nfs boot=casper --verbose
priority=critical log_port=514 netcfg/choose_interface=auto
nfsroot=10.97.4.1:/var/lib/tftpboot/dx-autopilot hostname=dx domain=local.lan
suite=oneiric BOOT_IMAGE=/images/dx-autopilot-test/vmlinuz
BOOTIF=01-8c-89-a5-16-02-3c
ProcVersionSignature: Ubuntu 3.4.0-3.8-generic 3.4.0
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.4.0-3-generic N/A
linux-backports-modules-3.4.0-3-generic N/A
linux-firmware 1.79
RfKill:
Tags: precise
Uname: Linux 3.4.0-3-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 05/04/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V10.2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z68MA-ED55 (MS-7676)
dmi.board.vendor: MSI
dmi.board.version: 2.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV10.2:bd05/04/2011:svnMSI:pnMS-7676:pvr2.0:rvnMSI:rnZ68MA-ED55(MS-7676):rvr2.0:cvnMSI:ct3:cvr2.0:
dmi.product.name: MS-7676
dmi.product.version: 2.0
dmi.sys.vendor: MSI
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