Loading Linux 6.14.1-0-generic ... OF stdout device is: /vdevice/vty@30000000 Preparing to boot Linux version 6.14.1-0-generic (chimera@chimera) (clang version 19.1.7, LLD 19.1.7) #1 SMP Mon Apr 7 09:20:08 UTC 2025 Detected machine type: 0000000000000101 command line: BOOT_IMAGE=/boot/vmlinux-6.14.1-0-generic root=/dev/vda2 ro single Max number of cores passed to firmware: 256 (NR_CPUS = 2048) Calling ibm,client-architecture-support... done memory layout at init: memory_limit : 0000000000000000 (16 MB aligned) alloc_bottom : 0000000002753000 alloc_top : 0000000030000000 alloc_top_hi : 0000001000000000 rmo_top : 0000000030000000 ram_top : 0000001000000000 instantiating rtas at 0x000000002ffff000... done prom_hold_cpus: skipped copying OF device tree... Building dt strings... Building dt structure... Device tree strings 0x0000000004854000 -> 0x0000000004854b5c Device tree struct 0x0000000004855000 -> 0x000000000485b000 Quiescing Open Firmware ... Booting Linux via __start() @ 0x0000000000230000 ... [ 0.000000] random: crng init done [ 0.000000] hash-mmu: Page sizes from device-tree: [ 0.000000] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000] Using 1TB segments [ 0.000000] hash-mmu: Initializing hash mmu with SLB [ 0.000000] Linux version 6.14.1-0-generic (chimera@chimera) (clang version 19.1.7, LLD 19.1.7) #1 SMP Mon Apr 7 09:20:08 UTC 2025 [ 0.000000] OF: reserved mem: Reserved memory: No reserved-memory node in the DT [ 0.000000] Hardware name: IBM pSeries (emulated by qemu) POWER8 (architected) 0x4b0201 0xf000004 of:SLOF,HEAD hv:linux,kvm pSeries [ 0.000000] printk: legacy bootconsole [udbg0] enabled [ 0.000000] Partition configured for 64 cpus. [ 0.000000] CPU maps initialized for 8 threads per core [ 0.000000] numa: Partition configured for 1 NUMA nodes. [ 0.000000] ----------------------------------------------------- [ 0.000000] phys_mem_size = 0x1000000000 [ 0.000000] dcache_bsize = 0x80 [ 0.000000] icache_bsize = 0x80 [ 0.000000] cpu_features = 0x000002eb8f5d9187 [ 0.000000] possible = 0x003ffbfbffffb18f [ 0.000000] always = 0x0000000000000180 [ 0.000000] cpu_user_features = 0xdc0065c2 0xae000000 [ 0.000000] mmu_features = 0x78006001 [ 0.000000] firmware_features = 0x00000a85455a445f [ 0.000000] vmalloc start = 0xc0003d0000000000 [ 0.000000] IO start = 0xc0003e0000000000 [ 0.000000] vmemmap start = 0xc0003f0000000000 [ 0.000000] hash-mmu: ppc64_pft_size = 0x1d [ 0.000000] hash-mmu: htab_hash_mask = 0x3fffff [ 0.000000] ----------------------------------------------------- [ 0.000000] NODE_DATA(0) allocated [mem 0xfffddbe00-0xfffde3fff] [ 0.000000] rfi-flush: fallback displacement flush available [ 0.000000] rfi-flush: ori type flush available [ 0.000000] rfi-flush: mttrig type flush available [ 0.000000] count-cache-flush: software flush enabled. [ 0.000000] link-stack-flush: software flush enabled. [ 0.000000] stf-barrier: hwsync barrier available [ 0.000000] PPC64 nvram contains 65536 bytes [ 0.000000] barrier-nospec: using ORI speculation barrier [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000000000000-0x0000000fffffffff] [ 0.000000] Device empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x0000000fffffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000fffffffff] [ 0.000000] percpu: Embedded 60 pages/cpu s122520 r0 d123240 u245760 [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinux-6.14.1-0-generic root=/dev/vda2 ro single [ 0.000000] Unknown kernel command line parameters "single BOOT_IMAGE=/boot/vmlinux-6.14.1-0-generic", will be passed to user space. [ 0.000000] printk: log buffer data + meta data: 524288 + 1835008 = 2359296 bytes [ 0.000000] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes, linear) [ 0.000000] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes, linear) [ 0.000000] Fallback order for Node 0: 0 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16777216 [ 0.000000] Policy zone: Normal [ 0.000000] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=64, Nodes=1 [ 0.000000] ftrace: allocating 41515 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=64. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=64 [ 0.000000] RCU Tasks Rude: Setting shift to 6 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=64. [ 0.000000] RCU Tasks Trace: Setting shift to 6 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=64. [ 0.000000] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16 [ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.001803] clocksource: timebase mult[1f40000] shift[24] registered [ 0.003170] Console: colour dummy device 80x25 [ 0.003932] printk: legacy console [hvc0] enabled [ 0.003932] printk: legacy console [hvc0] enabled [ 0.004810] printk: legacy bootconsole [udbg0] disabled [ 0.004810] printk: legacy bootconsole [udbg0] disabled [ 0.005826] pid_max: default: 65536 minimum: 512 [ 0.006009] LSM: initializing lsm=capability,landlock,yama [ 0.006147] landlock: Up and running. [ 0.006193] Yama: becoming mindful. [ 0.007928] Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.009537] Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.027108] POWER8 performance monitor hardware support registered [ 0.027203] power8-pmu: PMAO restore workaround active. [ 0.027370] rcu: Hierarchical SRCU implementation. [ 0.027449] rcu: Max phase no-delay instances is 1000. [ 0.027727] Timer migration: 2 hierarchy levels; 8 children per group; 2 crossnode level [ 0.035031] smp: Bringing up secondary CPUs ... [ 1.102766] smp: Brought up 1 node, 64 CPUs [ 1.102995] numa: Node 0 CPUs: 0-63 [ 1.104870] Memory: 65846488K/67108864K available (17564K kernel code, 3668K rwdata, 9468K rodata, 5600K init, 1710K bss, 1221180K reserved, 0K cma-reserved) [ 1.108013] devtmpfs: initialized [ 1.110407] PCI host bridge /pci@800000020000000 ranges: [ 1.110603] IO 0x0000200000000000..0x000020000000ffff -> 0x0000000000000000 [ 1.110869] MEM 0x0000200080000000..0x00002000ffffffff -> 0x0000000080000000 [ 1.111142] MEM 0x0000210000000000..0x000021ffffffffff -> 0x0000210000000000 [ 1.111540] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 1.111985] futex hash table entries: 16384 (order: 9, 2097152 bytes, linear) [ 1.112531] pinctrl core: initialized pinctrl subsystem [ 1.114557] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 1.114870] IBM eBus Device Driver [ 1.115141] audit: initializing netlink subsys (disabled) [ 1.115525] audit: type=2000 audit(1744321872.080:1): state=initialized audit_enabled=0 res=1 [ 1.115675] thermal_sys: Registered thermal governor 'fair_share' [ 1.116293] thermal_sys: Registered thermal governor 'bang_bang' [ 1.116529] thermal_sys: Registered thermal governor 'step_wise' [ 1.116756] thermal_sys: Registered thermal governor 'user_space' [ 1.116979] thermal_sys: Registered thermal governor 'power_allocator' [ 1.117318] cpuidle: using governor ladder [ 1.117808] cpuidle: using governor menu [ 1.118529] pstore: Using crash dump compression: deflate [ 1.118753] pstore: Registered nvram as persistent store backend Linux ppc64 #1 SMP Mon Apr [ 1.120591] EEH: pSeries platform initialized [ 1.135453] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 1.137480] iommu: Default domain type: Translated [ 1.137669] iommu: DMA domain TLB invalidation policy: strict mode [ 1.138373] pps_core: LinuxPPS API ver. 1 registered [ 1.138552] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.138888] PTP clock support registered [ 1.139029] EDAC MC: Ver: 3.0.0 [ 1.139778] NetLabel: Initializing [ 1.139883] NetLabel: domain hash size = 128 [ 1.140040] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 1.140405] NetLabel: unlabeled traffic allowed by default [ 1.140594] mctp: management component transport protocol core [ 1.140841] NET: Registered PF_MCTP protocol family [ 1.141068] PCI: Probing PCI hardware [ 1.144160] PCI host bridge to bus 0000:00 [ 1.144279] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0xffff]) [ 1.144826] pci_bus 0000:00: root bus resource [mem 0x200080000000-0x2000ffffffff] (bus address [0x80000000-0xffffffff]) [ 1.145196] pci_bus 0000:00: root bus resource [mem 0x210000000000-0x21ffffffffff 64bit] [ 1.145809] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.146298] pci 0000:00:01.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.147810] pci 0000:00:02.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.150368] pci 0000:00:03.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.152877] pci 0000:00:04.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.155446] pci 0000:00:05.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.157898] pci 0000:00:06.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.160547] pci 0000:00:07.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.163225] pci 0000:00:08.0: No hypervisor support for SR-IOV on this device, IOV BARs disabled. [ 1.179275] IOMMU table initialized, virtual merging enabled [ 1.180090] pci_bus 0000:00: resource 4 [io 0x10000-0x1ffff] [ 1.180268] pci_bus 0000:00: resource 5 [mem 0x200080000000-0x2000ffffffff] [ 1.180571] pci_bus 0000:00: resource 6 [mem 0x210000000000-0x21ffffffffff 64bit] [ 1.181217] pci 0000:00:01.0: ibm,query-pe-dma-windows(2026) 800 8000000 20000000 returned 0, lb=2000000000 ps=107 wn=1 [ 1.181547] pci 0000:00:01.0: Adding to iommu group 0 [ 1.182464] pci 0000:00:02.0: Adding to iommu group 0 [ 1.183525] pci 0000:00:03.0: Adding to iommu group 0 [ 1.184641] pci 0000:00:04.0: Adding to iommu group 0 [ 1.185756] pci 0000:00:05.0: Adding to iommu group 0 [ 1.186760] pci 0000:00:06.0: Adding to iommu group 0 [ 1.187828] pci 0000:00:07.0: Adding to iommu group 0 [ 1.188928] pci 0000:00:08.0: Adding to iommu group 0 [ 1.190121] EEH: No capable adapters found: recovery disabled. [ 1.190522] vgaarb: loaded [ 1.204216] clocksource: Switched to clocksource timebase [ 1.204791] VFS: Disk quotas dquot_6.6.0 [ 1.204920] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.205299] hugetlbfs: disabling because there are no supported hugepage sizes [ 1.212085] NET: Registered PF_INET protocol family [ 1.212770] IP idents hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 1.226009] tcp_listen_portaddr_hash hash table entries: 32768 (order: 7, 524288 bytes, linear) [ 1.226504] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 1.227063] TCP established hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 1.228074] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, linear) [ 1.228614] TCP: Hash tables configured (established 524288 bind 65536) [ 1.229237] MPTCP token hash table entries: 65536 (order: 8, 1572864 bytes, linear) [ 1.229834] UDP hash table entries: 32768 (order: 9, 2097152 bytes, linear) [ 1.230420] UDP-Lite hash table entries: 32768 (order: 9, 2097152 bytes, linear) [ 1.231100] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 1.231389] NET: Registered PF_XDP protocol family [ 1.232906] PCI: CLS 0 bytes, default 128 [ 1.233685] vas: API is supported only with radix page tables [ 1.252997] Initialise system trusted keyrings [ 1.253406] workingset: timestamp_bits=38 max_order=24 bucket_order=0 [ 1.253700] zbud: loaded [ 1.266534] Key type asymmetric registered [ 1.266701] Asymmetric key parser 'x509' registered [ 1.266938] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 1.267459] io scheduler mq-deadline registered [ 1.267679] io scheduler kyber registered [ 1.267858] io scheduler bfq registered [ 1.275843] ledtrig-cpu: registered to indicate activity on CPUs [ 1.277285] Non-volatile memory driver v1.3 [ 1.278208] Key type psk registered [ 1.279342] mousedev: PS/2 mouse device common for all mice [ 1.279739] rtc-generic rtc-generic: registered as rtc0 [ 1.280031] rtc-generic rtc-generic: setting system clock to 2025-04-10T21:51:12 UTC (1744321872) [ 1.281697] NET: Registered PF_INET6 protocol family [ 1.283636] Segment Routing with IPv6 [ 1.283811] RPL Segment Routing with IPv6 [ 1.283988] In-situ OAM (IOAM) with IPv6 [ 1.284204] NET: Registered PF_PACKET protocol family [ 1.284530] Key type dns_resolver registered [ 1.287248] registered taskstats version 1 [ 1.301640] Loading compiled-in X.509 certificates [ 1.307083] Loaded X.509 cert 'Build time autogenerated kernel key: 164a87d717cc6be8fd94b2dc76804597846c0a45' [ 1.313632] Demotion targets for Node 0: null [ 1.315132] Key type .fscrypt registered [ 1.315293] Key type fscrypt-provisioning registered [ 1.315550] SED: plpks not available [ 1.327080] clk: Disabling unused clocks [ 1.327244] PM: genpd: Disabling unused power domains [ 1.327976] List of all partitions: [ 1.328192] No filesystem could mount root, tried: [ 1.328193] [ 1.328591] Kernel panic - not syncing: VFS: Unable to mount root fs on "/dev/vda2" or unknown-block(0,0) [ 1.328981] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.1-0-generic #1 [ 1.329306] Hardware name: IBM pSeries (emulated by qemu) POWER8 (architected) 0x4b0201 0xf000004 of:SLOF,HEAD hv:linux,kvm pSeries [ 1.329794] Call Trace: [ 1.329894] [c00000000360bad0] [c0000000010e1d60] dump_stack_lvl+0x54/0xdc (unreliable) [ 1.330250] [c00000000360bb10] [c0000000001905b0] panic+0x15c/0x3ec [ 1.330524] [c00000000360bbc0] [c000000001a6dea8] mount_root_generic+0x234/0x40c [ 1.330846] [c00000000360bcb0] [c000000001a6e5fc] mount_block_root+0x6c/0x90 [ 1.331177] [c00000000360bd20] [c000000001a6e6d4] prepare_namespace+0xb4/0x114 [ 1.331508] [c00000000360bd90] [c000000001a6d238] kernel_init_freeable+0x1b8/0x224 [ 1.331806] [c00000000360bde0] [c0000000000103ac] kernel_init+0x3c/0x230 [ 1.332063] [c00000000360be50] [c00000000000d494] ret_from_kernel_user_thread+0x14/0x1c [ 1.332452] --- interrupt: 0 at 0x0 [ 1.688588] pstore: backend (nvram) writing error (-1)