xubuntu kernel causes rectangular screen fluttering

[Roelof Bijkerk]

I had the same problem, exactly the same look with the latest kernel, of Xubuntu18 and also I tried UbuntuBudgie18, and both did the same. On my laptop (NC8000) the screen looks like someone has disrupted the pixels with little rectangular stuff. I had to go back a kernel via Grub and advanced options before I could read properly anything on the screen. And yes, I have just two 32 bit computers, although I also have 64 bit. But both 32 bit ones with the newest kernels for xubuntu or Budgie mess up the screen, and the kernel before that doesn't. I imagine that’s the case with all of the newer kernels with Kubuntu, Lubuntu etc..

And the kernels are 5.0.037 which works. And 5.0.047 which has the distortion shared.

here is the lshw -c video listings for the laptop (32 bit)

*-display
       description: VGA compatible controller
       product: RV350/M10 / RV360/M11 [Mobility Radeon 9600 (PRO) / 9700]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 32 bits
       clock: 66MHz
       capabilities: agp agp-2.0 pm vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=64 mingnt=8
       resources: irq:10 memory:98000000-9fffffff ioport:2000(size=256) memory:90400000-9040ffff memory:c0000-dffff

And here for the old Dell 32 bit desktop optiplex gx260

*-display
       description: VGA compatible controller
       product: RV200 [Radeon 7500/7500 LE]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 32 bits
       clock: 66MHz
       capabilities: agp agp-2.0 pm vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=64 mingnt=8
       resources: irq:16 memory:f0000000-f7ffffff ioport:ec00(size=256) memory:ff8f0000-ff8fffff memory:c0000-dffff
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: oelte 1134 F.... pulseaudio
CurrentDesktop: XFCE
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2019-12-08 (287 days ago)
InstallationMedia: Xubuntu 18.04.3 LTS "Bionic Beaver" - Release i386 (20190805)
Lsusb:
 Bus 001 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Hewlett-Packard hp Compaq nc8000 (DE543AV)
Package: linux (not installed)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic root=UUID=8e8014d8-d867-44d9-9556-5533d8fc811f ro forcepae --forcepae quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 5.4.0-47.51~18.04.1-generic 5.4.55
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-47-generic N/A
 linux-backports-modules-5.4.0-47-generic N/A
 linux-firmware 1.173.19
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
Tags: bionic
Uname: Linux 5.4.0-47-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 08/30/2006
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68BAR Ver. F.18
dmi.board.name: 088C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 8051 Version 1E.19
dmi.chassis.asset.tag: 2UA5080PMP
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68BARVer.F.18:bd08/30/2006:svnHewlett-Packard:pnhpCompaqnc8000(DE543AV):pvrF.18:rvnHewlett-Packard:rn088C:rvr8051Version1E.19:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: hp Compaq nc8000 (DE543AV)
dmi.product.version: F.18
dmi.sys.vendor: Hewlett-Packard

[Roelof Bijkerk (nindaja)]

Sorry, the first sentence was referring to this discussion, that's already going on, and it's exactly the same effect that I had: https://askubuntu.com/questions/1262259/distorted-display-after-upgrading-the-kernel-to-5-4-on-ubuntu-18-04-32-bit

[Chris Guiver (guiverc)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:

apport-collect 1896378

When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

[Chris Guiver (guiverc)]

Possibly related, or duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891790

[Roelof Bijkerk (nindaja)]

how would I know which package is effected; and what is 'ubuntubug" ?

On Sun, Sep 20, 2020 at 8:20 AM Chris Guiver <email address hidden>
wrote:

> Possibly related, or duplicate of
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891790
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1896378
>
> Title:
> xubuntu kernel causes rectangular screen fluttering
>
> Status in Ubuntu:
> New
>
> Bug description:
> I had the same problem, exactly the same look with the latest kernel,
> of Xubuntu18 and also I tried UbuntuBudgie18, and both did the same.
> On my laptop (NC8000) the screen looks like someone has disrupted the
> pixels with little rectangular stuff. I had to go back a kernel via
> Grub and advanced options before I could read properly anything on the
> screen. And yes, I have just two 32 bit computers, although I also
> have 64 bit. But both 32 bit ones with the newest kernels for xubuntu
> or Budgie mess up the screen, and the kernel before that doesn't. I
> imagine that’s the case with all of the newer kernels with Kubuntu,
> Lubuntu etc..
>
> And the kernels are 5.0.037 which works. And 5.0.047 which has the
> distortion shared.
>
> here is the lshw -c video listings for the laptop (32 bit)
>
> *-display
> description: VGA compatible controller
> product: RV350/M10 / RV360/M11 [Mobility Radeon 9600 (PRO) / 9700]
> vendor: Advanced Micro Devices, Inc. [AMD/ATI]
> physical id: 0
> bus info: pci@0000:01:00.0
> version: 00
> width: 32 bits
> clock: 66MHz
> capabilities: agp agp-2.0 pm vga_controller bus_master cap_list
> rom
> configuration: driver=radeon latency=64 mingnt=8
> resources: irq:10 memory:98000000-9fffffff ioport:2000(size=256)
> memory:90400000-9040ffff memory:c0000-dffff
>
> And here for the old Dell 32 bit desktop optiplex gx260
>
>
> *-display
> description: VGA compatible controller
> product: RV200 [Radeon 7500/7500 LE]
> vendor: Advanced Micro Devices, Inc. [AMD/ATI]
> physical id: 0
> bus info: pci@0000:01:00.0
> version: 00
> width: 32 bits
> clock: 66MHz
> capabilities: agp agp-2.0 pm vga_controller bus_master cap_list
> rom
> configuration: driver=radeon latency=64 mingnt=8
> resources: irq:16 memory:f0000000-f7ffffff ioport:ec00(size=256)
> memory:ff8f0000-ff8fffff memory:c0000-dffff
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+bug/1896378/+subscriptions
>

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1896378

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

apport information

[Roelof Bijkerk (nindaja)]

OK, that seems to have worked with the apport, as far as I can tell.
I tried it without first having logged on to Launchpad, via terminal and the apport command, which opened up the web browser asking me to log in, but then it couldn't send the apport, it seems. So I did the "apport-collect 1896378" command in terminal again, and then it looks like it did send.

So, I did have to try that command twice before it sent an apport. You didn't tell me I had to be logged onto Launchpad first, and the command brought up the correct internet webpage asking me to log on, but then wouldn't go through with the apport. To know what happened I had to actually copy the whole statement from terminal onto a libre word document, reboot the laptop (I was in the kernel with the bug) and in going to the kernel that didn't have the bug could read that there was an error in connecting to launchpad. I then tried the whole process again, as I described prior, and it seems to have worked.

And I see that how to find the package is listed here https://wiki.ubuntu.com/Bugs/FindRightPackage

Thanks for your beautiful work keeping Ubuntu going!