> Has there been a change in the VESA/AST mechanism from 16.04 to 18.04
?
I think the answer is "yes" there must have been a kernel change that
caused the regression. It's not yet clear where the regression occurred
between 16.04 and 18.04 (there's at least two years work between them)
but at least we seem to have a fix for it.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1808183
Title:
ASPEED server console output extremely slow after upgrade to 18.04
Status in linux package in Ubuntu:
Triaged
Bug description:
After the upgrade from 16.04 to 18.04 my server console is extremely slow.
It looks similar to the youtube clips mentioned in the problem described
here: https://ubuntuforums.org/showthread.php?t=2399941
My server is attached to a KVM switch with VGA cable to a 1920x1080 LCD.
It runs on an ASUS P9D-X board.
Before the upgrade everything was fine.
Now it is so slow that it sometimes even hangs during boot and goes into an
emergency console where I just can do a ctrl-alt-delete as described in bug
1802469
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
Uname: Linux 4.15.0-42-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Wed Dec 12 17:07:48 2018
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to bionic on 2018-10-11 (62 days ago)
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Dec 15 07:22 seq
crw-rw---- 1 root audio 116, 33 Dec 15 07:22 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 18.04
HibernationDevice: RESUME=UUID=99dd75dc-dc37-4970-be5a-79d9244a3bcc
IwConfig:
eth0 no wireless extensions.
eth1 no wireless extensions.
lo no wireless extensions.
MachineType: ASUSTeK COMPUTER INC. P9D-X Series
Package: linux (not installed)
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-42-generic
root=UUID=0fa1f208-3a7b-44ca-9f85-e7349a3b1844 ro nosplash
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-42-generic N/A
linux-backports-modules-4.15.0-42-generic N/A
linux-firmware 1.173.2
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: bionic
Uname: Linux 4.15.0-42-generic x86_64
UnreportableReason: This report is about a package that is not installed.
UpgradeStatus: Upgraded to bionic on 2018-10-11 (64 days ago)
UserGroups:
_MarkForUpload: False
dmi.bios.date: 10/13/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0901
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P9D-X Series
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 17
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0901:bd10/13/2014:svnASUSTeKCOMPUTERINC.:pnP9D-XSeries:pvrRev1.xx:rvnASUSTeKCOMPUTERINC.:rnP9D-XSeries:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct17:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: P9D-X Series
dmi.product.version: Rev 1.xx
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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