Public bug reported: The Ubuntu linux kernel detects phantom ahdi atari partitions leading to various issues:
https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/1908264 https://github.com/axboe/fio/issues/1942 https://github.com/rook/rook/issues/7940 It is fairly easy to create phantom partitions by using fio to write random data to a blank secondary SSD: sudo fio --name=ahditest --ioengine=io_uring --direct=1 --number_ios=128 --bs=128k --rw=write --numjobs=1 --iodepth=128 --refill_buffers=1 --filename=/dev/nvme0n1 Dmesg shows this after running the above fio command: [ 677.748933] nvme0n1: AHDI p1 p2 p3 p4 [ 677.748943] nvme0n1: p1 size 3532333299 extends beyond EOD, truncated [ 677.748991] nvme0n1: p2 start 3151093823 is beyond EOD, truncated [ 677.748993] nvme0n1: p3 size 3455140020 extends beyond EOD, truncated [ 677.749022] nvme0n1: p4 start 2615369870 is beyond EOD, truncated [ 677.850135] nvme0n1: AHDI p1 p2 p3 p4 [ 677.850144] nvme0n1: p1 size 3532333299 extends beyond EOD, truncated [ 677.850192] nvme0n1: p2 start 3151093823 is beyond EOD, truncated [ 677.850194] nvme0n1: p3 size 3455140020 extends beyond EOD, truncated [ 677.850220] nvme0n1: p4 start 2615369870 is beyond EOD, truncated Is it possible to support AHDI atari partions as a module so that it can be loaded or unloaded depending on use case? ProblemType: Bug DistroRelease: Ubuntu 26.04 Package: linux-image-7.0.0-22-generic 7.0.0-22.22 ProcVersionSignature: Ubuntu 7.0.0-22.22-generic 7.0.0 Uname: Linux 7.0.0-22-generic x86_64 ApportVersion: 2.34.0-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: sped 1740 F.... pipewire sped 1749 F.... wireplumber /dev/snd/controlC0: sped 1749 F.... wireplumber /dev/snd/seq: sped 1740 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Thu Jun 11 12:55:42 2026 InstallationDate: Installed on 2026-06-03 (8 days ago) InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1) IwDevWlp2s0Link: Not connected. MachineType: Gigabyte Technology Co., Ltd. Z690 AORUS PRO ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-22-generic root=UUID=d2113686-587f-415e-aefd-a854a9f759fa ro quiet splash libata.allow_tpm=1 apparmor=0 cpufreq.default_governor=performance crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/01/2025 dmi.bios.release: 5.27 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: F32 dmi.board.asset.tag: Default string dmi.board.name: Z690 AORUS PRO dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF32:bd12/01/2025:br5.27:svnGigabyteTechnologyCo.,Ltd.:pnZ690AORUSPRO:pvr-CF:rvnGigabyteTechnologyCo.,Ltd.:rnZ690AORUSPRO:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaZ690MB: dmi.product.family: Z690 MB dmi.product.name: Z690 AORUS PRO dmi.product.sku: Default string dmi.product.version: -CF dmi.sys.vendor: Gigabyte Technology Co., Ltd. modified.conffile..etc.default.apport: # set this to 0 to disable apport, or to 1 to enable it # you can temporarily override this with # sudo service apport start force_start=1 enabled=0 mtime.conffile..etc.default.apport: 2026-06-03T15:25:14.246019 ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug resolute wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2156536 Title: Ubuntu linux kernel detects phantom ahdi atari partitions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2156536/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
