[    2.721169] Linux version 6.18.7 (br-user@runner-pdwm2rams-project-3290221-concurrent-2) (s390x-linux-gcc.br_real (toolchains.bootlin.com 2026.08-1) 16.2.0, GNU ld (GNU Binutils) 2.46.1) #1 SMP Sun Sep  6 05:10:34 UTC 2026

[    2.722345] setup: Linux is running under KVM in 64-bit mode

[    2.722690] boot: KASLR disabled: CPU has no PRNG

[    2.722752] boot: KASLR disabled: CPU has no PRNG

[    2.722778] boot: KASLR disabled: CPU has no PRNG

[    2.790534] setup: The maximum memory size is 4096MB

[    2.791210] setup: Relocating AMODE31 section of size 0x00003000

[    2.794562] cpu: 2 configured CPUs, 0 standby CPUs

[    2.871812] Write protected kernel read-only data: 21344k

[    2.883155] Zone ranges:

[    2.883225]   DMA      [mem 0x0000000000000000-0x000000007fffffff]

[    2.883997]   Normal   [mem 0x0000000080000000-0x00000000ffffffff]

[    2.884056]   Device   empty

[    2.884095] Movable zone start for each node

[    2.884137] Early memory node ranges

[    2.884175]   node   0: [mem 0x0000000000000000-0x00000000ffffffff]

[    2.884709] Initmem setup node 0 [mem 0x0000000000000000-0x00000000ffffffff]

[    4.914774] percpu: Embedded 33 pages/cpu s96000 r8192 d30976 u135168

[    4.918098] Kernel command line: rootwait root=/dev/vda net.ifnames=0 biosdevname=0

[    4.919575] Unknown kernel command line parameters "biosdevname=0", will be passed to user space.

[    4.920832] random: crng init done

[    4.921088] printk: log buffer data + meta data: 131072 + 458752 = 589824 bytes

[    5.061080] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

[    5.145695] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

[    5.149389] Fallback order for Node 0: 0 

[    5.149857] Built 1 zonelists, mobility grouping on.  Total pages: 1048576

[    5.149916] Policy zone: Normal

[    5.150275] mem auto-init: stack:all(zero), heap alloc:off, heap free:off

[    5.518318] SLUB: HWalign=256, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

[    5.698689] ftrace: allocating 53716 entries in 210 pages

[    5.699110] ftrace: allocated 210 pages with 4 groups

[    5.940904] rcu: Hierarchical RCU implementation.

[    5.940976] rcu: 	RCU event tracing is enabled.

[    5.941038] rcu: 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2.

[    5.941288] 	Rude variant of Tasks RCU enabled.

[    5.941316] 	Tracing variant of Tasks RCU enabled.

[    5.941457] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

[    5.941528] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

[    5.943459] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    5.943537] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.

[    6.059773] NR_IRQS: 3, nr_irqs: 3, preallocated irqs: 3

[    6.064032] rcu: srcu_init: Setting srcu_struct sizes based on contention.

[    6.066220] clocksource: tod: mask: 0xffffffffffffffff max_cycles: 0x3b0a9be803b, max_idle_ns: 440795202126 ns

[    6.085317] Console: colour dummy device 80x25

[    6.238199] printk: legacy console [ttysclp0] enabled

[    6.242736] pid_max: default: 32768 minimum: 301

[    6.246123] LSM: initializing lsm=lockdown,capability,landlock,selinux,bpf,ima

[    6.247800] landlock: Up and running.

[    6.247869] SELinux:  Initializing.

[    6.251310] LSM support for eBPF active

[    6.253870] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    6.254037] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

[    6.496833] rcu: Hierarchical SRCU implementation.

[    6.497057] rcu: 	Max phase no-delay instances is 400.

[    6.501796] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level

[    6.614691] smp: Bringing up secondary CPUs ...

[    6.728750] smp: Brought up 1 node, 2 CPUs

[    7.225678] node 0 deferred pages initialised in 473ms

[    7.227401] Memory: 4082004K/4194304K available (15932K kernel code, 2388K rwdata, 5412K rodata, 1968K init, 896K bss, 107852K reserved, 0K cma-reserved)

[    7.322888] devtmpfs: initialized

[    7.383876] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

[    7.384317] posixtimers hash table entries: 1024 (order: 2, 16384 bytes, linear)

[    7.385168] futex hash table entries: 512 (131072 bytes on 1 NUMA nodes, total 128 KiB, linear).

[    7.396075] NET: Registered PF_NETLINK/PF_ROUTE protocol family

[    7.401216] audit: initializing netlink subsys (disabled)

[    7.405139] audit: type=2000 audit(1788671509.356:1): state=initialized audit_enabled=0 res=1

[    7.409261] Spectre V2 mitigation: execute trampolines

[    7.631098] raid6: vx128x8  gen()   254 MB/s

[    7.631318] raid6: using algorithm vx128x8 gen() 254 MB/s

[    7.648335] raid6: .... xor() 258 MB/s, rmw enabled

[    7.648674] raid6: using s390xc recovery algorithm

[    7.739349] iommu: Default domain type: Translated

[    7.739706] iommu: DMA domain TLB invalidation policy: lazy mode

[    7.747274] SCSI subsystem initialized

[    8.425443] VFS: Disk quotas dquot_6.6.0

[    8.425771] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

[    8.434687] hugetlbfs: disabling because there are no supported hugepage sizes

[    8.519871] NET: Registered PF_INET protocol family

[    8.525194] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

[    8.555296] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)

[    8.556069] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)

[    8.556307] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

[    8.557619] TCP bind hash table entries: 32768 (order: 8, 1048576 bytes, linear)

[    8.559235] TCP: Hash tables configured (established 32768 bind 32768)

[    8.562934] MPTCP token hash table entries: 4096 (order: 5, 98304 bytes, linear)

[    8.563730] UDP hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    8.564332] UDP-Lite hash table entries: 2048 (order: 5, 131072 bytes, linear)

[    8.571224] NET: Registered PF_UNIX/PF_LOCAL protocol family

[    8.572101] NET: Registered PF_XDP protocol family

[    8.572847] PCI: CLS 0 bytes, default 256

[    8.584836] Key type cert_store_key registered

[    8.614014] hypfs: The hardware system does not support hypfs

[    8.899144] Initialise system trusted keyrings

[    8.901666] Key type blacklist registered

[    8.912727] workingset: timestamp_bits=45 max_order=20 bucket_order=0

[    8.919186] fuse: init (API version 7.45)

[    8.923225] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled

[    9.113593] integrity: Platform Keyring initialized

[    9.534992] xor: automatically using best checksumming function   xc        

[    9.535211] Key type asymmetric registered

[    9.536016] Asymmetric key parser 'x509' registered

[    9.537729] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)

[    9.542251] io scheduler mq-deadline registered

[    9.542413] io scheduler kyber registered

[    9.543398] io scheduler bfq registered

[    9.565365] atomic64_test: passed

[    9.571269] hvc_iucv: The z/VM IUCV HVC device driver cannot be used without z/VM

[    9.779246] brd: module loaded

[    9.784274] zram: Added device: zram0

[    9.786801] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log.

[    9.787079] device-mapper: uevent: version 1.0.3

[    9.789785] device-mapper: ioctl: 4.50.0-ioctl (2025-04-28) initialised: dm-devel@lists.linux.dev

[    9.799312] cio: Channel measurement facility initialized using format extended (mode autodetected)

[    9.807216] Discipline DIAG cannot be used without z/VM

[    9.821405] ap: The hardware system does not support AP instructions

[    9.821767] qeth: loading core functions

[    9.823356] qeth: register layer 2 discipline

[    9.823435] qeth: register layer 3 discipline

[    9.835558] NET: Registered PF_INET6 protocol family

[    9.839822] virtio_blk virtio0: 1/0/0 default/read/poll queues

[    9.859193] virtio_blk virtio0: [vda] 245760 512-byte logical blocks (126 MB/120 MiB)

[    9.862817] Segment Routing with IPv6

[    9.863151] RPL Segment Routing with IPv6

[    9.863600] In-situ OAM (IOAM) with IPv6

[    9.864647] NET: Registered PF_PACKET protocol family

[    9.865426] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.

[    9.869622] Key type dns_resolver registered

[    9.920096] registered taskstats version 1

[    9.922366] Loading compiled-in X.509 certificates

[   10.224769] Loaded X.509 cert 'Build time autogenerated kernel key: d6027c714f00bb19375d1970e13ad5219e7c8314'

[   10.314253] Demotion targets for Node 0: null

[   10.324856] Key type .fscrypt registered

[   10.325032] Key type fscrypt-provisioning registered

[   10.335788] Btrfs loaded, zoned=no, fsverity=yes

[   10.338097] Key type big_key registered

[   10.339205] ima: No TPM chip found, activating TPM-bypass!

[   10.339599] ima: Allocated hash algorithm: sha256

[   10.420007] ima: No architecture policies found

[   10.579382] check access for rdinit=/init failed: -2, ignoring

[   10.579917] md: Waiting for all devices to be available before autodetect

[   10.579991] md: If you don't use raid, use raid=noautodetect

[   10.580075] md: Autodetecting RAID arrays.

[   10.580181] md: autorun ...

[   10.580244] md: ... autorun DONE.

[   10.716209] EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem

[   10.735750] EXT4-fs (vda): mounted filesystem dec9c871-d371-428f-a193-2893bcbae0bb ro without journal. Quota mode: none.

[   10.736820] VFS: Mounted root (ext2 filesystem) readonly on device 253:0.

[   10.741929] devtmpfs: mounted

[   10.765407] Freeing unused kernel image (initmem) memory: 1968K

[   10.767155] Write protected read-only-after-init data: 188k

[   11.767918] Checked W+X mappings: passed, no unexpected W+X pages found

[   11.768604] Run /sbin/init as init process

[   12.561432] EXT4-fs (vda): re-mounted dec9c871-d371-428f-a193-2893bcbae0bb r/w.

Saving 256 bits of creditable seed for next boot

Starting syslogd: OK

Starting klogd: OK

Running sysctl: OK

Starting udevd: OK

[   15.801067] udevd[143]: starting version 3.2.14

[   17.016638] udevd[143]: starting eudev-3.2.14

[   18.541205] 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 200)

OK

Stopping network: OK

Stopping udevd: OK

Stopping klogd: stopped /sbin/klogd (pid 131)

OK

Stopping syslogd: stopped /sbin/syslogd (pid 127)

OK

Seeding 256 bits and crediting

Saving 256 bits of creditable seed for next boot

umount: devtmpfs busy - remounted read-only

[   32.424705] EXT4-fs (vda): re-mounted dec9c871-d371-428f-a193-2893bcbae0bb ro.


The system is going down NOW!


Sent SIGTERM to all processes


Sent SIGKILL to all processes


Requesting system poweroff