Public bug reported:
After the upgrade from 25.10 to 26.04, all recent kernel version have had this
new failure in the dmesg output:
radeon 0000:02:00.0: evergreen_cs_track_validate_cb:480 cb[0] bo too small
(layer size 8847360, offset 0, max layer 1, bo size 4096, slice 34559)
radeon 0000:02:00.0: evergreen_cs_track_validate_cb:485 problematic surf: (1920
1152) (4 4 1 1 2 1024 2)
radeon 0000:02:00.0: evergreen_packet3_check:1950 invalid cmd stream 662
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
My kernel parameters include radeon.dpm=1
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-28-generic 7.0.0-28.28
ProcVersionSignature: Ubuntu 7.0.0-28.28-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ad 1756 F.... wireplumber
/dev/snd/controlC1: ad 1756 F.... wireplumber
/dev/snd/controlC2: ad 1756 F.... wireplumber
/dev/snd/seq: ad 1752 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Mon Jul 20 23:02:45 2026
InstallationDate: Installed on 2025-07-25 (360 days ago)
InstallationMedia: Kubuntu 25.04 "Plucky Puffin" - Release amd64 (20250417)
MachineType: System manufacturer System Product Name
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic
root=UUID=d0ba703d-8549-4bc4-b278-cf13189ad70a ro quiet radeon.dpm=1
acpi_enforce_resources=lax
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-06-25 (26 days ago)
dmi.bios.date: 12/22/2010
dmi.bios.release: 8.15
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1202
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P6T DELUXE V2
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1202:bd12/22/2010:br8.15:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TDELUXEV2:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.:pfaToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2161388
Title:
radeon kernel module fails with "Invalid command stream"
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