[    0.491007] Linux version 6.18.7 (br-user@runner-pdwm2rams-project-3290221-concurrent-1) (s390x-linux-gcc.br_real (Buildroot 2025.11-rc1-3498-g35ff174137) 15.3.0, GNU ld (GNU Binutils) 2.45.1) #1 SMP Tue Aug 11 10:36:19 UTC 2026

[    0.491752] setup: Linux is running under KVM in 64-bit mode

[    0.491964] boot: KASLR disabled: CPU has no PRNG

[    0.491997] boot: KASLR disabled: CPU has no PRNG

[    0.492012] boot: KASLR disabled: CPU has no PRNG

[    0.533653] setup: The maximum memory size is 4096MB

[    0.534066] setup: Relocating AMODE31 section of size 0x00003000

[    0.536058] cpu: 2 configured CPUs, 0 standby CPUs

[    0.583491] Write protected kernel read-only data: 21368k

[    0.590019] Zone ranges:

[    0.590043]   DMA      [mem 0x0000000000000000-0x000000007fffffff]

[    0.590490]   Normal   [mem 0x0000000080000000-0x00000000ffffffff]

[    0.590521]   Device   empty

[    0.590544] Movable zone start for each node

[    0.590570] Early memory node ranges

[    0.590592]   node   0: [mem 0x0000000000000000-0x00000000ffffffff]

[    0.590908] Initmem setup node 0 [mem 0x0000000000000000-0x00000000ffffffff]

[    0.696216] percpu: Embedded 33 pages/cpu s96000 r8192 d30976 u135168

[    0.697939] Kernel command line: rootwait root=/dev/vda net.ifnames=0 biosdevname=0

[    0.698683] Unknown kernel command line parameters "biosdevname=0", will be passed to user space.

[    0.699253] random: crng init done

[    0.699386] printk: log buffer data + meta data: 131072 + 458752 = 589824 bytes

[    0.700523] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

[    0.701166] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

[    0.702417] Fallback order for Node 0: 0 

[    0.702660] Built 1 zonelists, mobility grouping on.  Total pages: 1048576

[    0.702683] Policy zone: Normal

[    0.702866] mem auto-init: stack:all(zero), heap alloc:off, heap free:off

[    0.726495] SLUB: HWalign=256, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

[    0.824782] ftrace: allocating 53698 entries in 210 pages

[    0.824996] ftrace: allocated 210 pages with 4 groups

[    0.833215] rcu: Hierarchical RCU implementation.

[    0.833239] rcu: 	RCU event tracing is enabled.

[    0.833263] rcu: 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2.

[    0.833390] 	Rude variant of Tasks RCU enabled.

[    0.833403] 	Tracing variant of Tasks RCU enabled.

[    0.833487] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

[    0.833520] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

[    0.834584] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    0.834621] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    0.899690] NR_IRQS: 3, nr_irqs: 3, preallocated irqs: 3

[    0.901986] rcu: srcu_init: Setting srcu_struct sizes based on contention.

[    0.903201] clocksource: tod: mask: 0xffffffffffffffff max_cycles: 0x3b0a9be803b, max_idle_ns: 440795202126 ns

[    0.911695] Console: colour dummy device 80x25

[    0.915163] printk: legacy console [ttysclp0] enabled

[    0.917990] pid_max: default: 32768 minimum: 301

[    0.919843] LSM: initializing lsm=lockdown,capability,landlock,selinux,bpf,ima

[    0.920813] landlock: Up and running.

[    0.920856] SELinux:  Initializing.

[    0.922939] LSM support for eBPF active

[    0.924449] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    0.924522] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    0.965624] rcu: Hierarchical SRCU implementation.

[    0.965702] rcu: 	Max phase no-delay instances is 400.

[    0.968427] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level

[    0.973146] smp: Bringing up secondary CPUs ...

[    0.984909] smp: Brought up 1 node, 2 CPUs

[    1.061803] node 0 deferred pages initialised in 66ms

[    1.064991] Memory: 4081960K/4194304K available (15956K kernel code, 2380K rwdata, 5412K rodata, 1968K init, 896K bss, 107868K reserved, 0K cma-reserved)

[    1.078391] devtmpfs: initialized

[    1.092409] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

[    1.092612] posixtimers hash table entries: 1024 (order: 2, 16384 bytes, linear)

[    1.092851] futex hash table entries: 512 (131072 bytes on 1 NUMA nodes, total 128 KiB, linear).

[    1.098098] NET: Registered PF_NETLINK/PF_ROUTE protocol family

[    1.100800] audit: initializing netlink subsys (disabled)

[    1.102934] audit: type=2000 audit(1786444629.030:1): state=initialized audit_enabled=0 res=1

[    1.105050] Spectre V2 mitigation: execute trampolines

[    1.138381] raid6: vx128x8  gen()  1283 MB/s

[    1.138503] raid6: using algorithm vx128x8 gen() 1283 MB/s

[    1.155332] raid6: .... xor() 691 MB/s, rmw enabled

[    1.155423] raid6: using s390xc recovery algorithm

[    1.157690] iommu: Default domain type: Translated

[    1.157769] iommu: DMA domain TLB invalidation policy: lazy mode

[    1.162371] SCSI subsystem initialized

[    1.408711] VFS: Disk quotas dquot_6.6.0

[    1.408899] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

[    1.414189] hugetlbfs: disabling because there are no supported hugepage sizes

[    1.459156] NET: Registered PF_INET protocol family

[    1.460602] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

[    1.473050] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)

[    1.473245] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)

[    1.473462] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

[    1.474044] TCP bind hash table entries: 32768 (order: 8, 1048576 bytes, linear)

[    1.474693] TCP: Hash tables configured (established 32768 bind 32768)

[    1.476226] MPTCP token hash table entries: 4096 (order: 5, 98304 bytes, linear)

[    1.476671] UDP hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    1.476984] UDP-Lite hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    1.478653] NET: Registered PF_UNIX/PF_LOCAL protocol family

[    1.479036] NET: Registered PF_XDP protocol family

[    1.479402] PCI: CLS 0 bytes, default 256

[    1.486080] Key type cert_store_key registered

[    1.487204] hypfs: The hardware system does not support hypfs

[    1.961865] Initialise system trusted keyrings

[    1.962826] Key type blacklist registered

[    1.964771] workingset: timestamp_bits=45 max_order=20 bucket_order=0

[    1.968796] fuse: init (API version 7.45)

[    1.970935] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled

[    1.981756] integrity: Platform Keyring initialized

[    2.139654] xor: automatically using best checksumming function   xc        

[    2.139793] Key type asymmetric registered

[    2.139891] Asymmetric key parser 'x509' registered

[    2.140387] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)

[    2.142694] io scheduler mq-deadline registered

[    2.142780] io scheduler kyber registered

[    2.143031] io scheduler bfq registered

[    2.152977] atomic64_test: passed

[    2.154934] hvc_iucv: The z/VM IUCV HVC device driver cannot be used without z/VM

[    2.198042] brd: module loaded

[    2.200466] zram: Added device: zram0

[    2.201606] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log.

[    2.201755] device-mapper: uevent: version 1.0.3

[    2.203052] device-mapper: ioctl: 4.50.0-ioctl (2025-04-28) initialised: dm-devel@lists.linux.dev

[    2.205233] cio: Channel measurement facility initialized using format extended (mode autodetected)

[    2.209056] Discipline DIAG cannot be used without z/VM

[    2.216067] ap: The hardware system does not support AP instructions

[    2.216136] qeth: loading core functions

[    2.217088] qeth: register layer 2 discipline

[    2.217134] qeth: register layer 3 discipline

[    2.219503] NET: Registered PF_INET6 protocol family

[    2.223917] virtio_blk virtio0: 1/0/0 default/read/poll queues

[    2.231965] Segment Routing with IPv6

[    2.232041] RPL Segment Routing with IPv6

[    2.232210] In-situ OAM (IOAM) with IPv6

[    2.232916] virtio_blk virtio0: [vda] 245760 512-byte logical blocks (126 MB/120 MiB)

[    2.232966] NET: Registered PF_PACKET protocol family

[    2.233914] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.

[    2.235103] Key type dns_resolver registered

[    2.257094] registered taskstats version 1

[    2.258430] Loading compiled-in X.509 certificates

[    2.387200] Loaded X.509 cert 'Build time autogenerated kernel key: 8b850509acfad20147d030cffab6c7da9d8fb516'

[    2.431984] Demotion targets for Node 0: null

[    2.436030] Key type .fscrypt registered

[    2.436097] Key type fscrypt-provisioning registered

[    2.441910] Btrfs loaded, zoned=no, fsverity=yes

[    2.442995] Key type big_key registered

[    2.443607] ima: No TPM chip found, activating TPM-bypass!

[    2.443749] ima: Allocated hash algorithm: sha256

[    2.448881] ima: No architecture policies found

[    2.510409] check access for rdinit=/init failed: -2, ignoring

[    2.510608] md: Waiting for all devices to be available before autodetect

[    2.510639] md: If you don't use raid, use raid=noautodetect

[    2.510678] md: Autodetecting RAID arrays.

[    2.510730] md: autorun ...

[    2.510762] md: ... autorun DONE.

[    2.519699] EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem

[    2.530556] EXT4-fs (vda): mounted filesystem e2d6ac12-1ca2-4e8a-b5ab-3c002cdfd10f ro without journal. Quota mode: none.

[    2.531003] VFS: Mounted root (ext2 filesystem) readonly on device 253:0.

[    2.533813] devtmpfs: mounted

[    2.550487] Freeing unused kernel image (initmem) memory: 1968K

[    2.552525] Write protected read-only-after-init data: 188k

[    3.098315] Checked W+X mappings: passed, no unexpected W+X pages found

[    3.098601] Run /sbin/init as init process

[    3.222632] EXT4-fs (vda): re-mounted e2d6ac12-1ca2-4e8a-b5ab-3c002cdfd10f r/w.

Saving 256 bits of creditable seed for next boot

Starting syslogd: OK

Starting klogd: OK

Running sysctl: OK

Starting udevd: OK

[    3.725582] udevd[142]: starting version 3.2.14

[    3.863924] udevd[142]: starting eudev-3.2.14

[    4.202358] VFIO - User Level meta-driver version: 0.3

Starting network: udhcpc: started, v1.38.0

udhcpc: broadcasting discover

udhcpc: broadcasting select for 10.0.2.15, server 10.0.2.2

udhcpc: lease of 10.0.2.15 obtained from 10.0.2.2, lease time 86400

deleting routers

adding dns 10.0.2.3

OK

Starting crond: OK

Starting tests

TODO: add some more tests

Ending tests




Welcome to Buildroot


buildroot login: root
root

# poweroff
poweroff

# 

# This is the toolchain test suite

Usage: /etc/init.d/S90tests start

Stopping crond: stopped /usr/sbin/crond (pid 197)

OK

Stopping network: OK

Stopping udevd: OK

Stopping klogd: stopped /sbin/klogd (pid 130)

OK

Stopping syslogd: stopped /sbin/syslogd (pid 126)

OK

Seeding 256 bits and crediting

Saving 256 bits of creditable seed for next boot

umount: devtmpfs busy - remounted read-only

[   10.184747] EXT4-fs (vda): re-mounted e2d6ac12-1ca2-4e8a-b5ab-3c002cdfd10f ro.


The system is going down NOW!


Sent SIGTERM to all processes


Sent SIGKILL to all processes


Requesting system poweroff