I addressed the issue myself by compiling kernels from upstream and
abandoning Ubuntu's mutilation and have since switched to an Arc B50 Pro with
it 's own set of bugs.
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
Knowledgeable human assistance, not telephone trees or script readers.
See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.
On Wed, 8 Apr 2026, 🤖 prod-kernel-team-janitor wrote:
> Date: Wed, 08 Apr 2026 09:37:12 -0000
> From: 🤖 prod-kernel-team-janitor <[email protected]>
> To: [email protected]
> Subject: [Bug 1843511] Re: i915 enable_rc6=0 not respected
>
> The task "linux (Ubuntu)" has expired because it has had no new comments
> or updates for more than three years.
>
> If this issue is still present in an Ubuntu LTS kernel still under
> active support, please reopen the bug and provide updated details. If
> this issue was reported against an Ubuntu kernel no longer under active
> support but the issue still exists in a currently supported Ubuntu
> kernel, please open a new bug against that kernel version and provide
> the updated details, with a reference link to the original bug.
>
> This action was performed by an automated process maintained by the
> Ubuntu Kernel Team.
>
> ** Tags added: kernel-autoclosed kernel-autoclosed-expired
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Expired
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1843511
>
> Title:
> i915 enable_rc6=0 not respected
>
> Status in linux package in Ubuntu:
> Expired
>
> Bug description:
> i915 enable_rc6=0 is not respected. I want to disable rc6 power
> savings because it is a tower
> machine with a kilowatt supply and lots of fan so I don't give a rip about
> power consumption, I do not
> want my display interrupted while I'm watching a movie or video and when
> monitoring things I want to
> be able to walk by the monitor and see what is going on without having to go
> up and wiggle the mouse
> and wait for it to wake up and my monitor to sync.
>
> I have an i7-9700k on an Asus Z390A Prime motherboard. I have
> enable RC6 disabled in the BIOS so BIOS isn't enabling it, in
> /etc/modprobe.d/i915.conf I have:
>
> options i915 enable_guc=3 enable_dc=0 enable_rc6=0
>
> In /etc/default/grub I have:
>
> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash xdg.force_integrated=1
> modprobe.blacklist=nouveau i915.i915_enable_rc6=0"
>
> I have done update-grub2 and update-initramfs -u -k all and
> rebooted, but still:
>
> cat /sys/class/drm/card0/power/rc6_enable
> 1
>
> The kernel totally ignores my instructions and enables the damned
> thing anyway. ARRGGH!
>
> ProblemType: Bug
> DistroRelease: Ubuntu 19.04
> Package: linux-lowlatency 5.0.0.28.29
> ProcVersionSignature: Ubuntu 5.0.0-28.30-lowlatency 5.0.21
> Uname: Linux 5.0.0-28-lowlatency x86_64
> ApportVersion: 2.20.10-0ubuntu27.1
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: nanook 4342 F.... pulseaudio
> CurrentDesktop: MATE
> Date: Tue Sep 10 16:14:06 2019
> MachineType: System manufacturer System Product Name
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-28-lowlatency
> root=UUID=718970be-1c9c-4b4e-8940-1e26324e158b ro console=tty1 console=ttyS0
> panic=-1
> RelatedPackageVersions:
> linux-restricted-modules-5.0.0-28-lowlatency N/A
> linux-backports-modules-5.0.0-28-lowlatency N/A
> linux-firmware 1.178.4
> RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 06/06/2019
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: 1105
> dmi.board.asset.tag: Default string
> dmi.board.name: PRIME Z390-A
> dmi.board.vendor: ASUSTeK COMPUTER INC.
> dmi.board.version: Rev 1.xx
> dmi.chassis.asset.tag: Default string
> dmi.chassis.type: 3
> dmi.chassis.vendor: Default string
> dmi.chassis.version: Default string
> dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvr1105:bd06/06/2019:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ390-A:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: System Product Name
> dmi.product.sku: ASUS_MB_CNL
> dmi.product.version: System Version
> dmi.sys.vendor: System manufacturer
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1843511/+subscriptions
>
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1843511
Title:
i915 enable_rc6=0 not respected
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1843511/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
