[ 0.000000][ T0] debug_boot_weak_hash enabled [ 0.000000][ T0] hash-mmu: Page sizes from device-tree: [ 0.000000][ T0] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000][ T0] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000][ T0] Using 1TB segments [ 0.000000][ T0] hash-mmu: Initializing hash mmu with SLB [ 0.000000][ T0] Linux version 5.17.0-rc4-00219-g43a6dd55dd9d (pmenzel@flughafenberlinbrandenburgwillybrandt.molgen.mpg.de) (Ubuntu clang version 13.0.0-2, LLD 13.0.0) #28 SMP PREEMPT Wed Feb 16 13:02:59 CET 2022 [ 0.000000][ T0] Using pSeries machine description [ 0.000000][ T0] printk: bootconsole [udbg0] enabled [ 0.000000][ T0] Partition configured for 1 cpus. [ 0.000000][ T0] CPU maps initialized for 1 thread per core [ 0.000000][ T0] numa: Partition configured for 1 NUMA nodes. [ 0.000000][ T0] ----------------------------------------------------- [ 0.000000][ T0] phys_mem_size = 0x20000000 [ 0.000000][ T0] dcache_bsize = 0x80 [ 0.000000][ T0] icache_bsize = 0x80 [ 0.000000][ T0] cpu_features = 0x000000eb8f4d9187 [ 0.000000][ T0] possible = 0x000ffbfbcf5fb187 [ 0.000000][ T0] always = 0x0000000380008181 [ 0.000000][ T0] cpu_user_features = 0xdc0065c2 0xae000000 [ 0.000000][ T0] mmu_features = 0x78006001 [ 0.000000][ T0] firmware_features = 0x00000085455a445f [ 0.000000][ T0] vmalloc start = 0xc008000000000000 [ 0.000000][ T0] IO start = 0xc00a000000000000 [ 0.000000][ T0] vmemmap start = 0xc00c000000000000 [ 0.000000][ T0] hash-mmu: ppc64_pft_size = 0x16 [ 0.000000][ T0] hash-mmu: htab_hash_mask = 0x7fff [ 0.000000][ T0] ----------------------------------------------------- [ 0.000000][ T0] numa: NODE_DATA [mem 0x1ffbb000-0x1ffbffff] [ 0.000000][ T0] rfi-flush: fallback displacement flush available [ 0.000000][ T0] rfi-flush: ori type flush available [ 0.000000][ T0] rfi-flush: mttrig type flush available [ 0.000000][ T0] count-cache-flush: hardware flush enabled. [ 0.000000][ T0] link-stack-flush: software flush enabled. [ 0.000000][ T0] stf-barrier: hwsync barrier available [ 0.000000][ T0] PPC64 nvram contains 65536 bytes [ 0.000000][ T0] PV qspinlock hash table entries: 4096 (order: 0, 65536 bytes, linear) [ 0.000000][ T0] barrier-nospec: using ORI speculation barrier [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] Normal [mem 0x0000000000000000-0x000000001fffffff] [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000000000000-0x000000001fffffff] [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000000000000-0x000000001fffffff] [ 0.000000][ T0] percpu: Embedded 10 pages/cpu s585880 r0 d69480 u1048576 [ 0.000000][ T0] Fallback order for Node 0: 0 [ 0.000000][ T0] Built 1 zonelists, mobility grouping on. Total pages: 8184 [ 0.000000][ T0] Policy zone: Normal [ 0.000000][ T0] Kernel command line: debug_boot_weak_hash panic=-1 console=ttyS0 rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 rcupdate.rcu_self_test=1 rcutorture.onoff_interval=1000 rcutorture.onoff_holdoff=30 rcutorture.n_barrier_cbs=4 rcutorture.stat_interval=15 rcutorture.shutdown_secs=420 rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 [ 0.000000][ T0] Dentry cache hash table entries: 65536 (order: 3, 524288 bytes, linear) [ 0.000000][ T0] Inode-cache hash table entries: 32768 (order: 2, 262144 bytes, linear) [ 0.000000][ T0] mem auto-init: stack:all(zero), heap alloc:off, heap free:off [ 0.000000][ T0] Memory: 411136K/524288K available (16448K kernel code, 3712K rwdata, 2688K rodata, 6016K init, 1265K bss, 113152K reserved, 0K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000][ T0] ftrace: allocating 37449 entries in 14 pages [ 0.000000][ T0] ftrace: allocated 14 pages with 3 groups [ 0.000000][ T0] trace event string verifier disabled [ 0.000000][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU event tracing is enabled. [ 0.000000][ T0] rcu: CONFIG_RCU_FANOUT set to non-default value of 2. [ 0.000000][ T0] rcu: Four(or more)-level hierarchy is enabled. [ 0.000000][ T0] rcu: Build-time adjustment of leaf fanout to 2. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=1. [ 0.000000][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 0.000000][ T0] Tasks-RCU CPU stall warnings timeout set to 30000 (rcu_task_stall_timeout). [ 0.000000][ T0] Trampoline variant of Tasks RCU enabled. [ 0.000000][ T0] Rude variant of Tasks RCU enabled. [ 0.000000][ T0] Tracing variant of Tasks RCU enabled. [ 0.000000][ T0] rcu: sanitize_kthread_prio: Limited prio to 2 from 1 [ 0.000000][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=2, nr_cpu_ids=1 [ 0.000000][ T0] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16 [ 0.000000][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000][ T0] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.001308][ T0] clocksource: timebase mult[1f40000] shift[24] registered [ 0.002178][ T0] Console: colour dummy device 80x25 [ 0.002820][ T0] pid_max: default: 32768 minimum: 301 [ 0.003483][ T0] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes, linear) [ 0.004450][ T0] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes, linear) [ 0.005901][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 0.006850][ T1] cblist_init_generic: Setting shift to 0 and lim to 1. [ 0.007682][ T1] cblist_init_generic: Setting shift to 0 and lim to 1. [ 0.008507][ T1] cblist_init_generic: Setting shift to 0 and lim to 1. [ 0.009345][ T1] POWER8 performance monitor hardware support registered [ 0.010189][ T1] rcu: Hierarchical SRCU implementation. [ 0.011779][ T1] smp: Bringing up secondary CPUs ... [ 0.012422][ T1] smp: Brought up 1 node, 1 CPU [ 0.013002][ T1] numa: Node 0 CPUs: 0 [ 0.013598][ T1] devtmpfs: initialized [ 0.014824][ T1] random: get_random_u32 called from rhashtable_init+0x204/0x390 with crng_init=0 [ 0.014935][ T1] PCI host bridge /pci@800000020000000 ranges: [ 0.016742][ T1] IO 0x0000200000000000..0x000020000000ffff -> 0x0000000000000000 [ 0.017666][ T1] MEM 0x0000200080000000..0x00002000ffffffff -> 0x0000000080000000 [ 0.018607][ T1] MEM 0x0000210000000000..0x000021ffffffffff -> 0x0000210000000000 [ 0.019587][ T1] PCI: OF: PROBE_ONLY disabled [ 0.020166][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.021416][ T1] futex hash table entries: 256 (order: -1, 32768 bytes, linear) [ 0.022446][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 [ 0.023456][ T1] caller is apply_to_pte_range+0x380/0x480 [ 0.024124][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc4-00219-g43a6dd55dd9d #28 [ 0.025171][ T1] Call Trace: [ 0.025541][ T1] [c0000000073e3530] [c0000000008f78a0] dump_stack_lvl+0x78/0xb8 (unreliable) [ 0.026583][ T1] [c0000000073e3570] [c000000000ffae04] check_preemption_disabled+0x134/0x150 [ 0.027620][ T1] [c0000000073e3600] [c000000000424450] apply_to_pte_range+0x380/0x480 [ 0.028572][ T1] [c0000000073e3680] [c00000000042401c] apply_to_pmd_range+0x2ac/0x360 [ 0.029532][ T1] [c0000000073e3720] [c000000000423cb0] apply_to_pud_range+0x2d0/0x390 [ 0.030500][ T1] [c0000000073e37d0] [c00000000041ba94] __apply_to_page_range+0x1d4/0x290 [ 0.031491][ T1] [c0000000073e3880] [c00000000008c0a8] change_memory_attr+0x98/0x120 [ 0.032443][ T1] [c0000000073e38c0] [c0000000003101ac] bpf_prog_select_runtime+0x9c/0x390 [ 0.033442][ T1] [c0000000073e3930] [c000000000da51b4] bpf_prepare_filter+0x574/0x5b0 [ 0.034408][ T1] [c0000000073e39a0] [c000000000da4be4] bpf_prog_create+0xb4/0x110 [ 0.035329][ T1] [c0000000073e39f0] [c00000000207d064] ptp_classifier_init+0x50/0x78 [ 0.036279][ T1] [c0000000073e3a30] [c00000000207c208] sock_init+0x110/0x128 [ 0.037147][ T1] [c0000000073e3a70] [c000000000011c58] do_one_initcall+0x108/0x3e0 [ 0.038075][ T1] [c0000000073e3c70] [c000000002006190] do_initcall_level+0xe4/0x1c4 [ 0.039016][ T1] [c0000000073e3cc0] [c00000000200604c] do_initcalls+0x84/0xe4 [ 0.039891][ T1] [c0000000073e3d40] [c000000002005da8] kernel_init_freeable+0x160/0x1ec [ 0.040875][ T1] [c0000000073e3da0] [c00000000001254c] kernel_init+0x3c/0x270 [ 0.041753][ T1] [c0000000073e3e10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64 [ 0.042733][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 [ 0.043739][ T1] caller is apply_to_pte_range+0x420/0x480 [ 0.044410][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc4-00219-g43a6dd55dd9d #28 [ 0.045448][ T1] Call Trace: [ 0.045817][ T1] [c0000000073e3530] [c0000000008f78a0] dump_stack_lvl+0x78/0xb8 (unreliable) [ 0.046857][ T1] [c0000000073e3570] [c000000000ffae04] check_preemption_disabled+0x134/0x150 [ 0.047894][ T1] [c0000000073e3600] [c0000000004244f0] apply_to_pte_range+0x420/0x480 [ 0.048855][ T1] [c0000000073e3680] [c00000000042401c] apply_to_pmd_range+0x2ac/0x360 [ 0.049810][ T1] [c0000000073e3720] [c000000000423cb0] apply_to_pud_range+0x2d0/0x390 [ 0.050776][ T1] [c0000000073e37d0] [c00000000041ba94] __apply_to_page_range+0x1d4/0x290 [ 0.051766][ T1] [c0000000073e3880] [c00000000008c0a8] change_memory_attr+0x98/0x120 [ 0.052713][ T1] [c0000000073e38c0] [c0000000003101ac] bpf_prog_select_runtime+0x9c/0x390 [ 0.053717][ T1] [c0000000073e3930] [c000000000da51b4] bpf_prepare_filter+0x574/0x5b0 [ 0.054680][ T1] [c0000000073e39a0] [c000000000da4be4] bpf_prog_create+0xb4/0x110 [ 0.055598][ T1] [c0000000073e39f0] [c00000000207d064] ptp_classifier_init+0x50/0x78 [ 0.056551][ T1] [c0000000073e3a30] [c00000000207c208] sock_init+0x110/0x128 [ 0.057421][ T1] [c0000000073e3a70] [c000000000011c58] do_one_initcall+0x108/0x3e0 [ 0.058349][ T1] [c0000000073e3c70] [c000000002006190] do_initcall_level+0xe4/0x1c4 [ 0.059295][ T1] [c0000000073e3cc0] [c00000000200604c] do_initcalls+0x84/0xe4 [ 0.060172][ T1] [c0000000073e3d40] [c000000002005da8] kernel_init_freeable+0x160/0x1ec [ 0.061151][ T1] [c0000000073e3da0] [c00000000001254c] kernel_init+0x3c/0x270 [ 0.062028][ T1] [c0000000073e3e10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64 [ 0.063015][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 [ 0.064024][ T1] caller is __flush_tlb_pending+0x54/0xe0 [ 0.064679][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc4-00219-g43a6dd55dd9d #28 [ 0.065714][ T1] Call Trace: [ 0.066085][ T1] [c0000000073e34f0] [c0000000008f78a0] dump_stack_lvl+0x78/0xb8 (unreliable) [ 0.067117][ T1] [c0000000073e3530] [c000000000ffae04] check_preemption_disabled+0x134/0x150 [ 0.068145][ T1] [c0000000073e35c0] [c0000000000961e4] __flush_tlb_pending+0x54/0xe0 [ 0.069095][ T1] [c0000000073e3600] [c000000000424524] apply_to_pte_range+0x454/0x480 [ 0.070047][ T1] [c0000000073e3680] [c00000000042401c] apply_to_pmd_range+0x2ac/0x360 [ 0.070998][ T1] [c0000000073e3720] [c000000000423cb0] apply_to_pud_range+0x2d0/0x390 [ 0.071958][ T1] [c0000000073e37d0] [c00000000041ba94] __apply_to_page_range+0x1d4/0x290 [ 0.072943][ T1] [c0000000073e3880] [c00000000008c0a8] change_memory_attr+0x98/0x120 [ 0.073888][ T1] [c0000000073e38c0] [c0000000003101ac] bpf_prog_select_runtime+0x9c/0x390 [ 0.074885][ T1] [c0000000073e3930] [c000000000da51b4] bpf_prepare_filter+0x574/0x5b0 [ 0.075837][ T1] [c0000000073e39a0] [c000000000da4be4] bpf_prog_create+0xb4/0x110 [ 0.076748][ T1] [c0000000073e39f0] [c00000000207d064] ptp_classifier_init+0x50/0x78 [ 0.077691][ T1] [c0000000073e3a30] [c00000000207c208] sock_init+0x110/0x128 [ 0.078557][ T1] [c0000000073e3a70] [c000000000011c58] do_one_initcall+0x108/0x3e0 [ 0.079485][ T1] [c0000000073e3c70] [c000000002006190] do_initcall_level+0xe4/0x1c4 [ 0.080415][ T1] [c0000000073e3cc0] [c00000000200604c] do_initcalls+0x84/0xe4 [ 0.081284][ T1] [c0000000073e3d40] [c000000002005da8] kernel_init_freeable+0x160/0x1ec [ 0.082260][ T1] [c0000000073e3da0] [c00000000001254c] kernel_init+0x3c/0x270 [ 0.083138][ T1] [c0000000073e3e10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64 [ 0.084149][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.085136][ T1] cpuidle: using governor menu Linux ppc64le #28 SMP PREEMPT [ 0.086193][ T1] EEH: pSeries platform initialized [ 0.087192][ T1] software IO TLB: tearing down default memory pool [ 0.088124][ T1] PCI: Probing PCI hardware [ 0.088690][ T1] PCI host bridge to bus 0000:00 [ 0.089257][ T1] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0xffff]) [ 0.090398][ T1] pci_bus 0000:00: root bus resource [mem 0x200080000000-0x2000ffffffff] (bus address [0x80000000-0xffffffff]) [ 0.091762][ T1] pci_bus 0000:00: root bus resource [mem 0x210000000000-0x21ffffffffff 64bit] [ 0.092799][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.094562][ T1] IOMMU table initialized, virtual merging enabled [ 0.095323][ T1] pci_bus 0000:00: resource 4 [io 0x10000-0x1ffff] [ 0.096083][ T1] pci_bus 0000:00: resource 5 [mem 0x200080000000-0x2000ffffffff] [ 0.096986][ T1] pci_bus 0000:00: resource 6 [mem 0x210000000000-0x21ffffffffff 64bit] [ 0.097946][ T1] EEH: No capable adapters found: recovery disabled. [ 0.101687][ T1] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 0.103307][ T1] iommu: Default domain type: Translated [ 0.103969][ T1] iommu: DMA domain TLB invalidation policy: strict mode [ 0.104830][ T1] vgaarb: loaded [ 0.105353][ T1] SCSI subsystem initialized [ 0.105953][ T1] usbcore: registered new interface driver usbfs [ 0.106699][ T1] usbcore: registered new interface driver hub [ 0.107417][ T1] usbcore: registered new device driver usb [ 0.108114][ T1] pps_core: LinuxPPS API ver. 1 registered [ 0.108784][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.109946][ T1] PTP clock support registered [ 0.110521][ T1] EDAC MC: Ver: 3.0.0 [ 0.111202][ T1] clocksource: Switched to clocksource timebase [ 0.132640][ T1] hugetlbfs: disabling because there are no supported hugepage sizes [ 0.141692][ T1] NET: Registered PF_INET protocol family [ 0.142391][ T1] IP idents hash table entries: 8192 (order: 0, 65536 bytes, linear) [ 0.143581][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 0, 65536 bytes, linear) [ 0.144693][ T1] TCP established hash table entries: 8192 (order: 0, 65536 bytes, linear) [ 0.145710][ T1] TCP bind hash table entries: 8192 (order: 1, 131072 bytes, linear) [ 0.146673][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 0.147527][ T1] UDP hash table entries: 2048 (order: 0, 65536 bytes, linear) [ 0.148416][ T1] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes, linear) [ 0.149373][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.161303][ T1] RPC: Registered named UNIX socket transport module. [ 0.162089][ T1] RPC: Registered udp transport module. [ 0.162732][ T1] RPC: Registered tcp transport module. [ 0.163367][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.164209][ T1] PCI: CLS 0 bytes, default 128 [ 0.170221][ T1] vas: API is supported only with radix page tables [ 0.171032][ T1] rcu-torture:--- Start of test: nreaders=1 nfakewriters=4 stat_interval=15 verbose=1 test_no_idle_hz=1 shuffle_interval=3 stutter=5 irqreader=1 fqs_duration=0 fqs_holdoff=0 fqs_stutter=3 test_boost=1/1 test_boost_interval=7 test_boost_duration=4 shutdown_secs=420 stall_cpu=0 stall_cpu_holdoff=10 stall_cpu_irqsoff=0 stall_cpu_block=0 n_barrier_cbs=4 onoff_interval=1000 onoff_holdoff=30 read_exit_delay=13 read_exit_burst=16 nocbs_nthreads=0 nocbs_toggle=1000 [ 0.181210][ T1] rcu: Start-test grace-period state: g-1187 f0x0 [ 0.181966][ T1] rcu_torture_write_types: Testing conditional GPs. [ 0.182732][ T1] rcu_torture_write_types: Testing conditional expedited GPs. [ 0.183594][ T1] rcu_torture_write_types: Testing expedited GPs. [ 0.184330][ T1] rcu_torture_write_types: Testing asynchronous GPs. [ 0.185100][ T1] rcu_torture_write_types: Testing polling GPs. [ 0.185827][ T1] rcu_torture_write_types: Testing polling expedited GPs. [ 0.186652][ T1] rcu_torture_write_types: Testing normal GPs. [ 0.187360][ T1] rcu-torture: Creating rcu_torture_writer task [ 0.201208][ T37] rcu-torture: rcu_torture_writer task started [ 0.201922][ T37] rcu-torture: GP expediting controlled from boot/sysfs for rcu. [ 0.202832][ T1] rcu-torture: Creating rcu_torture_fakewriter task [ 0.204203][ T1] rcu-torture: Creating rcu_torture_fakewriter task [ 0.205812][ T38] rcu-torture: rcu_torture_fakewriter task started [ 0.207256][ T1] rcu-torture: Creating rcu_torture_fakewriter task [ 0.208357][ T39] rcu-torture: rcu_torture_fakewriter task started [ 0.209117][ T1] rcu-torture: Creating rcu_torture_fakewriter task [ 0.209902][ T40] rcu-torture: rcu_torture_fakewriter task started [ 0.210661][ T1] rcu-torture: Creating rcu_torture_reader task [ 0.211397][ T41] rcu-torture: rcu_torture_fakewriter task started [ 0.212152][ T1] rcu-torture: Creating rcu_torture_stats task [ 0.212871][ T42] rcu-torture: rcu_torture_reader task started [ 0.221222][ T1] rcu-torture: Creating torture_shuffle task [ 0.223316][ T43] rcu-torture: rcu_torture_stats task started [ 0.224023][ T1] rcu-torture: Creating torture_stutter task [ 0.224725][ T44] rcu-torture: torture_shuffle task started [ 0.225412][ T17] rcu-torture: Creating rcu_torture_boost task [ 0.226129][ T45] rcu-torture: torture_stutter task started [ 0.226846][ T1] rcu-torture: Creating torture_shutdown task [ 0.227553][ T46] rcu-torture: rcu_torture_boost started [ 0.228210][ T1] rcu-torture: Creating torture_onoff task [ 0.228884][ T47] rcu-torture: torture_shutdown task started [ 0.229570][ T47] rcu-torture:torture_shutdown task: 419997 ms remaining [ 0.241213][ T1] rcu-torture: rcu_torture_fwd_prog_init: Limiting fwd_progress to # CPUs. [ 0.241213][ T1] [ 0.242908][ T1] rcu-torture: Creating rcu_torture_fwd_prog task [ 0.243720][ T48] rcu-torture: torture_onoff task started [ 0.244380][ T48] rcu-torture: Only one CPU, so CPU-hotplug testing is disabled [ 0.245262][ T48] rcu-torture: torture_onoff is stopping [ 0.245916][ T1] rcu-torture: Creating rcu_torture_barrier_cbs task [ 0.246700][ T49] rcu-torture: rcu_torture_fwd_progress task started [ 0.247477][ T1] rcu-torture: Creating rcu_torture_barrier_cbs task [ 0.248255][ T50] rcu-torture: rcu_torture_barrier_cbs task started [ 0.249020][ T1] rcu-torture: Creating rcu_torture_barrier_cbs task [ 0.249799][ T51] rcu-torture: rcu_torture_barrier_cbs task started [ 0.250567][ T1] rcu-torture: Creating rcu_torture_barrier_cbs task [ 0.251357][ T52] rcu-torture: rcu_torture_barrier_cbs task started [ 0.252119][ T1] rcu-torture: Creating rcu_torture_barrier task [ 0.252855][ T53] rcu-torture: rcu_torture_barrier_cbs task started [ 0.253630][ T1] rcu-torture: Creating rcu_torture_read_exit task [ 0.254394][ T54] rcu-torture: rcu_torture_barrier task starting [ 0.255306][ T55] rcu-torture: rcu_torture_read_exit: Start of test [ 0.311311][ T56] rcu_torture_rea (56) used greatest stack depth: 14256 bytes left [ 0.362561][ T1] workingset: timestamp_bits=38 max_order=13 bucket_order=0 [ 0.365842][ T1] NFS: Registering the id_resolver key type [ 0.366535][ T1] Key type id_resolver registered [ 0.367106][ T1] Key type id_legacy registered [ 0.367668][ T1] SGI XFS with ACLs, security attributes, no debug enabled [ 0.368871][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 0.369822][ T1] io scheduler mq-deadline registered [ 0.370437][ T1] io scheduler kyber registered [ 0.379363][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.380412][ T1] Non-volatile memory driver v1.3 [ 0.382786][ T1] brd: module loaded [ 0.384256][ T1] loop: module loaded [ 0.384745][ T1] ipr: IBM Power RAID SCSI Device Driver version: 2.6.4 (March 14, 2017) [ 0.386523][ T1] ibmvscsi 71000002: SRP_VERSION: 16.a [ 0.387285][ T1] ibmvscsi 71000002: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 [ 0.388237][ T1] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 [ 0.389217][ C0] ibmvscsi 71000002: partner initialization complete [ 0.389995][ C0] ibmvscsi 71000002: host srp version: 16.a, host partition qemu (0), OS 2, max io 2097152 [ 0.391161][ C0] ibmvscsi 71000002: sent SRP login [ 0.391764][ C0] ibmvscsi 71000002: SRP_LOGIN succeeded [ 0.405762][ C0] random: fast init done [ 0.433462][ T1] e100: Intel(R) PRO/100 Network Driver [ 0.434101][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 0.434834][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 0.435487][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 0.436248][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 0.436913][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 0.437706][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.438561][ T1] ehci-pci: EHCI PCI platform driver [ 0.439179][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.439995][ T1] ohci-pci: OHCI PCI platform driver [ 0.440653][ T1] i2c_dev: i2c /dev entries driver [ 0.441401][ T1] device-mapper: uevent: version 1.0.3 [ 0.442102][ T1] device-mapper: ioctl: 4.45.0-ioctl (2021-03-22) initialised: dm-devel@redhat.com [ 0.443348][ T1] usbcore: registered new interface driver usbhid [ 0.444095][ T1] usbhid: USB HID core driver [ 0.444685][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 0.445514][ T1] c00000000295c988 IFLA_INFO_KIND ipip register_netdevice [ 0.446330][ T1] c00000000295c988 IFLA_INFO_KIND ipip rtmsg_ifinfo [ 0.447107][ T1] c00000000295c988 IFLA_INFO_KIND ipip rtmsg_ifinfo_event [ 0.447935][ T1] c00000000295c988 IFLA_INFO_KIND ipip rtmsg_ifinfo_build_skb [ 0.448789][ T1] c00000000295c988 IFLA_INFO_KIND ipip if_nlmsg_size [ 0.449563][ T1] c00000000295c988 IFLA_INFO_KIND ipip rtnl_link_get_size [ 0.450497][ T1] NET: Registered PF_INET6 protocol family [ 0.451402][ T1] Segment Routing with IPv6 [ 0.451922][ T1] In-situ OAM (IOAM) with IPv6 [ 0.452480][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 0.453259][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) sit_init_net [ 0.454035][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) register_netdev [ 0.454939][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) register_netdevice [ 0.455780][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) rtmsg_ifinfo [ 0.456563][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) rtmsg_ifinfo_event [ 0.457409][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) rtmsg_ifinfo_build_skb [ 0.458288][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) if_nlmsg_size [ 0.459085][ T1] c00000000295cfd8 IFLA_INFO_KIND (null) rtnl_link_get_size [ 0.459921][ T1] BUG: Kernel NULL pointer dereference on read at 0x00000000 [ 0.460766][ T1] Faulting instruction address: 0xc00000000090b640 [ 0.461513][ T1] Oops: Kernel access of bad area, sig: 11 [#1] [ 0.462225][ T1] LE PAGE_SIZE=64K MMU=Hash PREEMPT SMP NR_CPUS=16 NUMA pSeries [ 0.463108][ T1] Modules linked in: [ 0.463549][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc4-00219-g43a6dd55dd9d #28 [ 0.464584][ T1] NIP: c00000000090b640 LR: c000000000d9785c CTR: 0000000000000000 [ 0.465499][ T1] REGS: c0000000073e32b0 TRAP: 0380 Not tainted (5.17.0-rc4-00219-g43a6dd55dd9d) [ 0.466581][ T1] MSR: 8000000002009033 CR: 22800c47 XER: 00000000 [ 0.467642][ T1] CFAR: c000000000d97858 IRQMASK: 0 [ 0.467642][ T1] GPR00: c000000000d97850 c0000000073e3550 c000000002919d00 0000000000000000 [ 0.467642][ T1] GPR04: ffffffffffffffff ffffffffff1e7ef8 ffffffffff1e9984 c00000000267ae88 [ 0.467642][ T1] GPR08: 0000000000000003 0000000000000004 c00000000267ae88 0000000000000000 [ 0.467642][ T1] GPR12: 0000000000880000 c000000002ac0000 c000000000012518 0000000000000000 [ 0.467642][ T1] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.467642][ T1] GPR20: 0000000000000000 c00000000281dc00 0000000000000000 0000000000000cc0 [ 0.467642][ T1] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.467642][ T1] GPR28: c00000000295cfd8 c0000000079d3000 0000000000000000 c0000000073e3550 [ 0.476429][ T1] NIP [c00000000090b640] strlen+0x10/0x30 [ 0.477085][ T1] LR [c000000000d9785c] if_nlmsg_size+0x2dc/0x3b0 [ 0.477822][ T1] Call Trace: [ 0.478190][ T1] [c0000000073e3550] [c000000000d97850] if_nlmsg_size+0x2d0/0x3b0 (unreliable) [ 0.479226][ T1] [c0000000073e3600] [c000000000d9743c] rtmsg_ifinfo_build_skb+0x8c/0x1d0 [ 0.480210][ T1] [c0000000073e36c0] [c000000000d98298] rtmsg_ifinfo+0x88/0x130 [ 0.481086][ T1] [c0000000073e3750] [c000000000d7e118] register_netdevice+0x5c8/0x690 [ 0.482037][ T1] [c0000000073e37e0] [c000000000d7e578] register_netdev+0x58/0xb0 [ 0.482946][ T1] [c0000000073e3850] [c000000000f83ad0] sit_init_net+0x150/0x1a0 [ 0.483838][ T1] [c0000000073e38d0] [c000000000d6469c] ops_init+0x13c/0x1b0 [ 0.484691][ T1] [c0000000073e3930] [c000000000d63c4c] register_pernet_operations+0xec/0x1e0 [ 0.485714][ T1] [c0000000073e3990] [c000000000d63ed0] register_pernet_device+0x60/0xd0 [ 0.486689][ T1] [c0000000073e39e0] [c000000002085228] sit_init+0x54/0x160 [ 0.487530][ T1] [c0000000073e3a70] [c000000000011c58] do_one_initcall+0x108/0x3e0 [ 0.488455][ T1] [c0000000073e3c70] [c000000002006190] do_initcall_level+0xe4/0x1c4 [ 0.489389][ T1] [c0000000073e3cc0] [c00000000200604c] do_initcalls+0x84/0xe4 [ 0.490260][ T1] [c0000000073e3d40] [c000000002005da8] kernel_init_freeable+0x160/0x1ec [ 0.491236][ T1] [c0000000073e3da0] [c00000000001254c] kernel_init+0x3c/0x270 [ 0.492108][ T1] [c0000000073e3e10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64 [ 0.493078][ T1] Instruction dump: [ 0.493509][ T1] eb81ffe0 7c0803a6 4e800020 00000000 00000000 00000000 60000000 60000000 [ 0.494524][ T1] 3883ffff 60000000 60000000 60000000 <8ca40001> 28050000 4082fff8 7c632050 [ 0.495542][ T1] ---[ end trace 0000000000000000 ]--- [ 0.498158][ T1] [ 1.501404][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b