Public bug reported: -- Problem Description -- HOST ENV: OS : Ubuntu26.10 kernel : 7.0.0-14-generic libvirt : libvirtd --version libvirtd (libvirt) 12.0.0
qemu : qemu-system-ppc64 --version QEMU emulator version 10.2.1 (Debian 1:10.2.1+ds-1ubuntu3) Copyright (c) 2003-2025 Fabrice Bellard and the QEMU Project developers GUEST ENV: OS : Ubuntu26.10 kernel : 7.0.0-14-generic When I attached the NVME backplane to the guest I was not able to trigger EEH on the device from host console: lspci : 001a:01:00.0 USB controller: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI Host Controller (rev 02) 0021:01:00.0 Fibre Channel: QLogic Corp. ISP2812-based 64/32G Fibre Channel to PCIe Controller (rev 02) 0021:01:00.1 Fibre Channel: QLogic Corp. ISP2812-based 64/32G Fibre Channel to PCIe Controller (rev 02) 0028:01:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01) 0028:01:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01) 0028:01:00.2 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01) 0028:01:00.3 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01) 0030:01:00.0 Ethernet controller: Mellanox Technologies MT2894 Family [ConnectX-6 Lx] 0030:01:00.1 Ethernet controller: Mellanox Technologies MT2894 Family [ConnectX-6 Lx] 0100:50:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller PM9A1/PM9A3/980PRO 0102:70:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller PM173Xa Steps to reproduce : 1) Attach the device to the guest with virsh attach-device 2) Trigger the EEH on the device from host console using the location code : /home# errinjct ioa-bus-error-64 -f 6 -p U78DB.ND0.WZS0C4V-P2-C10 -m 0 errinjct: Could not open file /proc/device-tree/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0,1/nvme-of/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0,1/nvme-of/controller/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0,1/nvme- of/controller/namespace/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0,1/disk/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0,1/tape/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0/nvme-of/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0/nvme-of/controller/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0/nvme- of/controller/namespace/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0/disk/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/pci@800000020000020/fibre-channel@0/tape/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,platform- keystore/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/memory@0/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,platform- facilities/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,platform- facilities/ibm,sym-encryption-v1/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,platform- facilities/ibm,random-v1/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,platform- facilities/ibm,compression-v1/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/rtas/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,serial/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/options/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/openprom/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,dynamic- reconfiguration-memory/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/event-sources/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/event-sources/epow- events/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/event- sources/ibm,hvpipe-msg-events/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/aliases/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/ibm,vtpm/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/iso-9660-files/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/chrp- loader/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/gscsi/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/gscsi/disk/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/gscsi/tape/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/gui/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/elf- loader/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/iso-13346-files/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/lpevents/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/udp/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/disk- label/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/tape- label/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/bootp/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/gen- iso-13346-files/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/ping/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/cas/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/net/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/prep- boot/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/nls- support/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/tcg- opal/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/ipv6/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/tcp/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/iscsi/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/ipv4/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/disassembler/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/tftp/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/obp- tftp/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/fat- files/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/assembler/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/utilities/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/utilities/trace/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/dev- tree/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/bootmgr/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/dynamic- reconfig/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/dhcp/ibm,loc- code, No such file or directory errinjct: Could not open file /proc/device-tree/packages/terminal- emulator/ibm,loc-code, No such file or directory errinjct: Could not open file /proc/device- tree/packages/deblocker/ibm,loc-code, No such file or directory Injecting an ioa-bus-error... errinjct: RTAS error injection failed! errinjct: RTAS: ioa-bus-error-64: Argument error (-3) This error may have occurred because error injection is disabled for this partition. Please check the FSP and ensure you have error injection enabled. ======================================================================== Patch posted "https://lore.kernel.org/all/[email protected]/"; with addressing all review comments. Now waiting for reviews. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) Status: New ** Tags: architecture-ppc64le bugnameltc-220851 severity-high targetmilestone-inin2610 ** Tags added: architecture-ppc64le bugnameltc-220851 severity-high targetmilestone-inin2610 ** Changed in: ubuntu Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2162374 Title: [Ubuntu26.10] : EEH trigger not happening on NVME backplane from host console! 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