[    0.691661] Linux version 6.18.7 (br-user@runner-pdwm2rams-project-3290221-concurrent-5) (s390x-linux-gcc.br_real (toolchains.bootlin.com 2026.08-1) 15.3.0, GNU ld (GNU Binutils) 2.45.1) #1 SMP Sun Sep  6 05:12:53 UTC 2026

[    0.692393] setup: Linux is running under KVM in 64-bit mode

[    0.692609] boot: KASLR disabled: CPU has no PRNG

[    0.692643] boot: KASLR disabled: CPU has no PRNG

[    0.692865] boot: KASLR disabled: CPU has no PRNG

[    0.733499] setup: The maximum memory size is 4096MB

[    0.733909] setup: Relocating AMODE31 section of size 0x00003000

[    0.735899] cpu: 2 configured CPUs, 0 standby CPUs

[    0.789604] Write protected kernel read-only data: 21368k

[    0.796188] Zone ranges:

[    0.796214]   DMA      [mem 0x0000000000000000-0x000000007fffffff]

[    0.796657]   Normal   [mem 0x0000000080000000-0x00000000ffffffff]

[    0.796688]   Device   empty

[    0.796711] Movable zone start for each node

[    0.796736] Early memory node ranges

[    0.796759]   node   0: [mem 0x0000000000000000-0x00000000ffffffff]

[    0.797072] Initmem setup node 0 [mem 0x0000000000000000-0x00000000ffffffff]

[    1.139764] percpu: Embedded 33 pages/cpu s96000 r8192 d30976 u135168

[    1.141603] Kernel command line: rootwait root=/dev/vda net.ifnames=0 biosdevname=0

[    1.142378] Unknown kernel command line parameters "biosdevname=0", will be passed to user space.

[    1.142978] random: crng init done

[    1.143110] printk: log buffer data + meta data: 131072 + 458752 = 589824 bytes

[    1.159486] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

[    1.170665] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

[    1.172361] Fallback order for Node 0: 0 

[    1.172633] Built 1 zonelists, mobility grouping on.  Total pages: 1048576

[    1.172664] Policy zone: Normal

[    1.172872] mem auto-init: stack:all(zero), heap alloc:off, heap free:off

[    1.216829] SLUB: HWalign=256, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

[    1.316243] ftrace: allocating 53698 entries in 210 pages

[    1.316464] ftrace: allocated 210 pages with 4 groups

[    1.405233] rcu: Hierarchical RCU implementation.

[    1.405269] rcu: 	RCU event tracing is enabled.

[    1.405296] rcu: 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2.

[    1.405433] 	Rude variant of Tasks RCU enabled.

[    1.405446] 	Tracing variant of Tasks RCU enabled.

[    1.405528] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

[    1.405562] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

[    1.406713] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    1.406752] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    1.471948] NR_IRQS: 3, nr_irqs: 3, preallocated irqs: 3

[    1.474369] rcu: srcu_init: Setting srcu_struct sizes based on contention.

[    1.475637] clocksource: tod: mask: 0xffffffffffffffff max_cycles: 0x3b0a9be803b, max_idle_ns: 440795202126 ns

[    1.484423] Console: colour dummy device 80x25

[    1.502922] printk: legacy console [ttysclp0] enabled

[    1.505976] pid_max: default: 32768 minimum: 301

[    1.508159] LSM: initializing lsm=lockdown,capability,landlock,selinux,bpf,ima

[    1.509174] landlock: Up and running.

[    1.509219] SELinux:  Initializing.

[    1.511399] LSM support for eBPF active

[    1.512955] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    1.513062] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    1.575902] rcu: Hierarchical SRCU implementation.

[    1.575988] rcu: 	Max phase no-delay instances is 400.

[    1.578253] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level

[    1.593254] smp: Bringing up secondary CPUs ...

[    1.613929] smp: Brought up 1 node, 2 CPUs

[    1.743014] node 0 deferred pages initialised in 117ms

[    1.743845] Memory: 4081988K/4194304K available (15956K kernel code, 2380K rwdata, 5412K rodata, 1968K init, 896K bss, 107868K reserved, 0K cma-reserved)

[    1.758515] devtmpfs: initialized

[    1.786053] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

[    1.786391] posixtimers hash table entries: 1024 (order: 2, 16384 bytes, linear)

[    1.795388] futex hash table entries: 512 (131072 bytes on 1 NUMA nodes, total 128 KiB, linear).

[    1.800980] NET: Registered PF_NETLINK/PF_ROUTE protocol family

[    1.803882] audit: initializing netlink subsys (disabled)

[    1.806055] audit: type=2000 audit(1788671621.678:1): state=initialized audit_enabled=0 res=1

[    1.808512] Spectre V2 mitigation: execute trampolines

[    2.017424] raid6: vx128x8  gen()   479 MB/s

[    2.017557] raid6: using algorithm vx128x8 gen() 479 MB/s

[    2.034327] raid6: .... xor() 695 MB/s, rmw enabled

[    2.034421] raid6: using s390xc recovery algorithm

[    2.037111] iommu: Default domain type: Translated

[    2.037187] iommu: DMA domain TLB invalidation policy: lazy mode

[    2.053536] SCSI subsystem initialized

[    2.339072] VFS: Disk quotas dquot_6.6.0

[    2.339386] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

[    2.357875] hugetlbfs: disabling because there are no supported hugepage sizes

[    2.406794] NET: Registered PF_INET protocol family

[    2.423100] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

[    2.437013] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)

[    2.437190] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)

[    2.437403] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

[    2.437948] TCP bind hash table entries: 32768 (order: 8, 1048576 bytes, linear)

[    2.447557] TCP: Hash tables configured (established 32768 bind 32768)

[    2.458243] MPTCP token hash table entries: 4096 (order: 5, 98304 bytes, linear)

[    2.458787] UDP hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    2.459428] UDP-Lite hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    2.461473] NET: Registered PF_UNIX/PF_LOCAL protocol family

[    2.461942] NET: Registered PF_XDP protocol family

[    2.462383] PCI: CLS 0 bytes, default 256

[    2.468958] Key type cert_store_key registered

[    2.483663] hypfs: The hardware system does not support hypfs

[    2.700405] Initialise system trusted keyrings

[    2.701249] Key type blacklist registered

[    2.703106] workingset: timestamp_bits=45 max_order=20 bucket_order=0

[    2.706569] fuse: init (API version 7.45)

[    2.708130] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled

[    2.737231] integrity: Platform Keyring initialized

[    2.908532] xor: automatically using best checksumming function   xc        

[    2.908667] Key type asymmetric registered

[    2.908744] Asymmetric key parser 'x509' registered

[    2.909214] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)

[    2.911509] io scheduler mq-deadline registered

[    2.932486] io scheduler kyber registered

[    2.932850] io scheduler bfq registered

[    2.943676] atomic64_test: passed

[    2.945676] hvc_iucv: The z/VM IUCV HVC device driver cannot be used without z/VM

[    2.994542] brd: module loaded

[    2.998255] zram: Added device: zram0

[    3.000047] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log.

[    3.000400] device-mapper: uevent: version 1.0.3

[    3.002497] device-mapper: ioctl: 4.50.0-ioctl (2025-04-28) initialised: dm-devel@lists.linux.dev

[    3.005219] cio: Channel measurement facility initialized using format extended (mode autodetected)

[    3.010927] Discipline DIAG cannot be used without z/VM

[    3.018545] ap: The hardware system does not support AP instructions

[    3.018673] qeth: loading core functions

[    3.020033] qeth: register layer 2 discipline

[    3.020120] qeth: register layer 3 discipline

[    3.023858] NET: Registered PF_INET6 protocol family

[    3.029191] virtio_blk virtio0: 1/0/0 default/read/poll queues

[    3.040002] virtio_blk virtio0: [vda] 245760 512-byte logical blocks (126 MB/120 MiB)

[    3.062732] Segment Routing with IPv6

[    3.063056] RPL Segment Routing with IPv6

[    3.063471] In-situ OAM (IOAM) with IPv6

[    3.064455] NET: Registered PF_PACKET protocol family

[    3.065146] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.

[    3.067473] Key type dns_resolver registered

[    3.116026] registered taskstats version 1

[    3.117900] Loading compiled-in X.509 certificates

[    3.296724] Loaded X.509 cert 'Build time autogenerated kernel key: 17ffe1c39ba223fa5b484e4042fb075798fe2600'

[    3.371138] Demotion targets for Node 0: null

[    3.375818] Key type .fscrypt registered

[    3.375906] Key type fscrypt-provisioning registered

[    3.381680] Btrfs loaded, zoned=no, fsverity=yes

[    3.383011] Key type big_key registered

[    3.383604] ima: No TPM chip found, activating TPM-bypass!

[    3.383757] ima: Allocated hash algorithm: sha256

[    3.389394] ima: No architecture policies found

[    3.453198] check access for rdinit=/init failed: -2, ignoring

[    3.453475] md: Waiting for all devices to be available before autodetect

[    3.453544] md: If you don't use raid, use raid=noautodetect

[    3.453584] md: Autodetecting RAID arrays.

[    3.453640] md: autorun ...

[    3.453795] md: ... autorun DONE.

[    3.462635] EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem

[    3.474048] EXT4-fs (vda): mounted filesystem 04f4b86b-f292-4d88-ac62-112eb65d14e4 ro without journal. Quota mode: none.

[    3.474583] VFS: Mounted root (ext2 filesystem) readonly on device 253:0.

[    3.477420] devtmpfs: mounted

[    3.497832] Freeing unused kernel image (initmem) memory: 1968K

[    3.498837] Write protected read-only-after-init data: 188k

[    4.044433] Checked W+X mappings: passed, no unexpected W+X pages found

[    4.044710] Run /sbin/init as init process

[    4.337222] EXT4-fs (vda): re-mounted 04f4b86b-f292-4d88-ac62-112eb65d14e4 r/w.

Saving 256 bits of creditable seed for next boot

Starting syslogd: OK

Starting klogd: OK

Running sysctl: OK

Starting udevd: OK

[    5.971690] udevd[141]: starting version 3.2.14

[    6.157869] udevd[141]: starting eudev-3.2.14

[    6.957246] 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 199)

OK

Stopping network: OK

Stopping udevd: OK

Stopping klogd: stopped /sbin/klogd (pid 129)

OK

Stopping syslogd: stopped /sbin/syslogd (pid 125)

OK

Seeding 256 bits and crediting

Saving 256 bits of creditable seed for next boot

umount: devtmpfs busy - remounted read-only

[   23.537010] EXT4-fs (vda): re-mounted 04f4b86b-f292-4d88-ac62-112eb65d14e4 ro.


The system is going down NOW!


Sent SIGTERM to all processes


Sent SIGKILL to all processes


Requesting system poweroff