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Message #126354
[Bug 1472794] Status changed to Confirmed
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1472794
Title:
[Acer Aspire 5250] Black screen after upgrade to 3.19.0-22-generic
Status in linux package in Ubuntu:
Confirmed
Bug description:
After upgrade to linux-image-3.19.0-22-generic on Acer Aspire
5250/HMA51-BZ there is nothing displayed after Grub. Playing with
(Ctrl-)Alt-F1, F2, ..., F7, F8... doesn't have any visible effect - so
neither VT nor X is visible. Removing "quiet splash" from kernel
arguments also doesn't show anything after the message from grub that
it's loading the kernel.
The laptop seems to boot normally, I can hear the lightdm sound that
it's ready, but I cannot see anything on the display. I can log in
remotely. The backlight is on, so it's not a cause of no backlight. (I
checked this by poking around /sys/class/backlight and I see it's set
at full brightness.)
If I boot linux-image-3.19.0-21-generic everything works OK.
I don't see anything obvious when I look at the diff of dmesg between
3.19.0-21 and 3.19.0.22, but if it's useful I can attach dmesg from
3.19.0-21.
According to lspci this is the GPU:
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Wrestler [Radeon HD 6310]
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-22-generic 3.19.0-22.22
ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1
Uname: Linux 3.19.0-22-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Date: Wed Jul 8 22:49:55 2015
HibernationDevice: RESUME=UUID=2552e9df-add8-4cc9-abe7-e75f869c1d08
InstallationDate: Installed on 2013-02-14 (873 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
Lsusb:
Bus 002 Device 002: ID 064e:d250 Suyin Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Acer Aspire 5250
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-22-generic root=UUID=84cf2e2d-2e23-4ced-a3ed-94d793f6cefd ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.19.0-22-generic N/A
linux-backports-modules-3.19.0-22-generic N/A
linux-firmware 1.143.1
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-07-02 (5 days ago)
dmi.bios.date: 11/17/2011
dmi.bios.vendor: Acer
dmi.bios.version: V1.06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: HMA51-BZ
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.06
dmi.modalias: dmi:bvnAcer:bvrV1.06:bd11/17/2011:svnAcer:pnAspire5250:pvrV1.06:rvnAcer:rnHMA51-BZ:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.06:
dmi.product.name: Aspire 5250
dmi.product.version: V1.06
dmi.sys.vendor: Acer
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References