qemu-system-riscv64: warning: hub port hub0port0 has no peer qemu-system-riscv64: warning: hub 0 with no nics qemu-system-riscv64: warning: netdev hub0port0 has no peer qemu-system-riscv64: warning: requested NIC (#net091, model virtio) was not created (not supported by this machine?) OpenSBI v1.4 ____ _____ ____ _____ / __ \ / ____| _ \_ _| | | | |_ __ ___ _ __ | (___ | |_) || | | | | | '_ \ / _ \ '_ \ \___ \| _ < | | | |__| | |_) | __/ | | |____) | |_) || |_ \____/| .__/ \___|_| |_|_____/|____/_____| | | |_| Platform Name : riscv-virtio,qemu Platform Features : medeleg Platform HART Count : 8 Platform IPI Device : aclint-mswi Platform Timer Device : aclint-mtimer @ 10000000Hz Platform Console Device : uart8250 Platform HSM Device : --- Platform PMU Device : --- Platform Reboot Device : syscon-reboot Platform Shutdown Device : syscon-poweroff Platform Suspend Device : --- Platform CPPC Device : --- Firmware Base : 0x80000000 Firmware Size : 395 KB Firmware RW Offset : 0x40000 Firmware RW Size : 139 KB Firmware Heap Offset : 0x56000 Firmware Heap Size : 51 KB (total), 3 KB (reserved), 9 KB (used), 38 KB (free) Firmware Scratch Size : 4096 B (total), 328 B (used), 3768 B (free) Runtime SBI Version : 2.0 Domain0 Name : root Domain0 Boot HART : 1 Domain0 HARTs : 0*,1*,2*,3*,4*,5*,6*,7* Domain0 Region00 : 0x0000000000100000-0x0000000000100fff M: (I,R,W) S/U: (R,W) Domain0 Region01 : 0x0000000010000000-0x0000000010000fff M: (I,R,W) S/U: (R,W) Domain0 Region02 : 0x0000000002000000-0x000000000200ffff M: (I,R,W) S/U: () Domain0 Region03 : 0x0000000080000000-0x000000008003ffff M: (R,X) S/U: () Domain0 Region04 : 0x0000000080040000-0x000000008007ffff M: (R,W) S/U: () Domain0 Region05 : 0x000000000c400000-0x000000000c5fffff M: (I,R,W) S/U: (R,W) Domain0 Region06 : 0x000000000c000000-0x000000000c3fffff M: (I,R,W) S/U: (R,W) Domain0 Region07 : 0x0000000000000000-0xffffffffffffffff M: () S/U: (R,W,X) Domain0 Next Address : 0x0000000080200000 Domain0 Next Arg1 : 0x00000000bfe00000 Domain0 Next Mode : S-mode Domain0 SysReset : yes Domain0 SysSuspend : yes Boot HART ID : 1 Boot HART Domain : root Boot HART Priv Version : v1.12 Boot HART Base ISA : rv64imafdch Boot HART ISA Extensions : sstc,zicntr,zihpm,zicboz,zicbom Boot HART PMP Count : 16 Boot HART PMP Granularity : 2 bits Boot HART PMP Address Bits: 54 Boot HART MHPM Info : 16 (0x0007fff8) Boot HART MIDELEG : 0x0000000000001666 Boot HART MEDELEG : 0x0000000000f0b509 [ 0.000000] Linux version 6.12.0-rc7 (KernelCI@build-j373517-riscv-gcc-12-defconfig-gp2pw) (riscv64-linux-gnu-gcc (Debian 12.2.0-13) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP Tue Nov 12 02:49:48 UTC 2024 [ 0.000000] random: crng init done [ 0.000000] Machine model: riscv-virtio,qemu [ 0.000000] SBI specification v2.0 detected [ 0.000000] SBI implementation ID=0x1 Version=0x10004 [ 0.000000] SBI TIME extension detected [ 0.000000] SBI IPI extension detected [ 0.000000] SBI RFENCE extension detected [ 0.000000] SBI SRST extension detected [ 0.000000] SBI DBCN extension detected [ 0.000000] efi: UEFI not found. [ 0.000000] OF: reserved mem: 0x0000000080000000..0x000000008003ffff (256 KiB) nomap non-reusable mmode_resv0@80000000 [ 0.000000] OF: reserved mem: 0x0000000080040000..0x000000008007ffff (256 KiB) nomap non-reusable mmode_resv1@80040000 [ 0.000000] earlycon: ns16550a0 at MMIO 0x0000000010000000 (options '') [ 0.000000] printk: legacy bootconsole [ns16550a0] enabled [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000080000000-0x00000000bfffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000008007ffff] [ 0.000000] node 0: [mem 0x0000000080080000-0x00000000bfffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000000bfffffff] [ 0.000000] SBI HSM extension detected [ 0.000000] riscv: base ISA extensions acdfhim [ 0.000000] riscv: ELF capabilities acdfim [ 0.000000] percpu: Embedded 22 pages/cpu s49576 r8192 d32344 u90112 [ 0.000000] pcpu-alloc: s49576 r8192 d32344 u90112 alloc=22*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7 [ 0.000000] Kernel command line: console=ttyS0,115200 root=/dev/ram0 debug verbose console_msg_format=syslog earlycon deferred_probe_timeout=60 <5>[ 0.000000] Unknown kernel command line parameters "verbose", will be passed to user space. <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 262144 <6>[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off <6>[ 0.000000] software IO TLB: SWIOTLB bounce buffer size adjusted to 1MB <6>[ 0.000000] software IO TLB: area num 8. <6>[ 0.000000] software IO TLB: SWIOTLB bounce buffer size roundup to 2MB <6>[ 0.000000] software IO TLB: mapped [mem 0x00000000bdb80000-0x00000000bdd80000] (2MB) <5>[ 0.000000] Virtual kernel memory layout: <5>[ 0.000000] fixmap : 0xff1bfffffea00000 - 0xff1bffffff000000 (6144 kB) <5>[ 0.000000] pci io : 0xff1bffffff000000 - 0xff1c000000000000 ( 16 MB) <5>[ 0.000000] vmemmap : 0xff1c000000000000 - 0xff20000000000000 (1024 TB) <5>[ 0.000000] vmalloc : 0xff20000000000000 - 0xff60000000000000 (16384 TB) <5>[ 0.000000] modules : 0xffffffff01595000 - 0xffffffff80000000 (2026 MB) <5>[ 0.000000] lowmem : 0xff60000000000000 - 0xff60000040000000 (1024 MB) <5>[ 0.000000] kernel : 0xffffffff80000000 - 0xffffffffffffffff (2047 MB) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1 <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. <6>[ 0.000000] rcu: RCU debug extended QS entry/exit. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 <6>[ 0.000000] RCU Tasks Trace: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=8. <6>[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 <6>[ 0.000000] riscv-intc: 64 local interrupts mapped <6>[ 0.000000] riscv: providing IPIs using SBI IPI extension <6>[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. <6>[ 0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns <6>[ 0.000098] sched_clock: 64 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns <6>[ 0.001267] riscv-timer: Timer interrupt in S-mode is available via sstc extension <6>[ 0.014804] Console: colour dummy device 80x25 <6>[ 0.017592] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000) <6>[ 0.019218] pid_max: default: 32768 minimum: 301 <6>[ 0.022351] LSM: initializing lsm=capability <6>[ 0.026549] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) <6>[ 0.027672] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) <6>[ 0.072429] riscv: ELF compat mode supported <6>[ 0.072721] ASID allocator using 16 bits (65536 entries) <6>[ 0.076708] rcu: Hierarchical SRCU implementation. <6>[ 0.077541] rcu: Max phase no-delay instances is 1000. <6>[ 0.080799] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level <6>[ 0.085146] EFI services will not be available. <6>[ 0.089836] smp: Bringing up secondary CPUs ... <6>[ 0.168705] smp: Brought up 1 node, 8 CPUs <6>[ 0.183653] Memory: 975732K/1048576K available (9842K kernel code, 4982K rwdata, 4096K rodata, 2282K init, 495K bss, 67896K reserved, 0K cma-reserved) <6>[ 0.200237] devtmpfs: initialized <6>[ 0.222110] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.223112] futex hash table entries: 2048 (order: 5, 131072 bytes, linear) <6>[ 0.227758] pinctrl core: initialized pinctrl subsystem <6>[ 0.235852] DMI not present or invalid. <6>[ 0.239618] NET: Registered PF_NETLINK/PF_ROUTE protocol family <6>[ 0.246022] DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.247095] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.247920] audit: initializing netlink subsys (disabled) <5>[ 0.251267] audit: type=2000 audit(0.232:1): state=initialized audit_enabled=0 res=1 <6>[ 0.254074] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.255001] cpuidle: using governor menu <6>[ 0.281372] cpu5: Ratio of byte access time to unaligned word access is 7.62, unaligned accesses are fast <6>[ 0.281403] cpu1: Ratio of byte access time to unaligned word access is 8.19, unaligned accesses are fast <6>[ 0.281444] cpu2: Ratio of byte access time to unaligned word access is 8.36, unaligned accesses are fast <6>[ 0.281444] cpu3: Ratio of byte access time to unaligned word access is 8.48, unaligned accesses are fast <6>[ 0.281389] cpu6: Ratio of byte access time to unaligned word access is 8.75, unaligned accesses are fast <6>[ 0.281469] cpu7: Ratio of byte access time to unaligned word access is 8.43, unaligned accesses are fast <6>[ 0.281688] cpu4: Ratio of byte access time to unaligned word access is 9.92, unaligned accesses are fast <6>[ 0.309905] cpu0: Ratio of byte access time to unaligned word access is 7.81, unaligned accesses are fast <6>[ 0.356844] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.357577] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page <6>[ 0.366158] ACPI: Interpreter disabled. <6>[ 0.366976] iommu: Default domain type: Translated <6>[ 0.367331] iommu: DMA domain TLB invalidation policy: strict mode <5>[ 0.373361] SCSI subsystem initialized <7>[ 0.375049] libata version 3.00 loaded. <6>[ 0.376692] usbcore: registered new interface driver usbfs <6>[ 0.377363] usbcore: registered new interface driver hub <6>[ 0.377843] usbcore: registered new device driver usb <6>[ 0.381320] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.398308] vgaarb: loaded <6>[ 0.402962] clocksource: Switched to clocksource riscv_clocksource <6>[ 0.408254] pnp: PnP ACPI: disabled <6>[ 0.445680] NET: Registered PF_INET protocol family <6>[ 0.447301] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.455047] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.455692] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.456234] TCP established hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.456891] TCP bind hash table entries: 8192 (order: 7, 524288 bytes, linear) <6>[ 0.458474] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 0.460066] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 0.460800] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 0.462977] NET: Registered PF_UNIX/PF_LOCAL protocol family <6>[ 0.467772] RPC: Registered named UNIX socket transport module. <6>[ 0.468228] RPC: Registered udp transport module. <6>[ 0.468515] RPC: Registered tcp transport module. <6>[ 0.468785] RPC: Registered tcp-with-tls transport module. <6>[ 0.469514] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.470560] PCI: CLS 0 bytes, default 64 <6>[ 0.478086] workingset: timestamp_bits=46 max_order=18 bucket_order=0 <6>[ 0.480922] Unpacking initramfs... <5>[ 0.488690] NFS: Registering the id_resolver key type <5>[ 0.491661] Key type id_resolver registered <5>[ 0.492142] Key type id_legacy registered <6>[ 0.493387] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 0.494424] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 0.496859] 9p: Installing v9fs 9p2000 file system support <6>[ 0.501474] NET: Registered PF_ALG protocol family <6>[ 0.502921] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 0.505178] io scheduler mq-deadline registered <6>[ 0.505794] io scheduler kyber registered <6>[ 0.507153] io scheduler bfq registered <6>[ 0.531369] riscv-plic: plic@c000000: mapped 95 interrupts with 8 handlers for 16 contexts. <6>[ 0.540479] pci-host-generic 30000000.pci: host bridge /soc/pci@30000000 ranges: <6>[ 0.543591] pci-host-generic 30000000.pci: IO 0x0003000000..0x000300ffff -> 0x0000000000 <6>[ 0.545583] pci-host-generic 30000000.pci: MEM 0x0040000000..0x007fffffff -> 0x0040000000 <6>[ 0.547226] pci-host-generic 30000000.pci: MEM 0x0400000000..0x07ffffffff -> 0x0400000000 <4>[ 0.549409] pci-host-generic 30000000.pci: Memory resource size exceeds max for 32 bits <6>[ 0.550992] pci-host-generic 30000000.pci: ECAM at [mem 0x30000000-0x3fffffff] for [bus 00-ff] <6>[ 0.553736] pci-host-generic 30000000.pci: PCI host bridge to bus 0000:00 <6>[ 0.555008] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.555493] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] <6>[ 0.555949] pci_bus 0000:00: root bus resource [mem 0x40000000-0x7fffffff] <6>[ 0.556380] pci_bus 0000:00: root bus resource [mem 0x400000000-0x7ffffffff] <6>[ 0.559336] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 conventional PCI endpoint <6>[ 0.566199] pci 0000:00:01.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint <6>[ 0.567109] pci 0000:00:01.0: BAR 0 [io 0x0000-0x001f] <6>[ 0.567529] pci 0000:00:01.0: BAR 1 [mem 0x00000000-0x00000fff] <6>[ 0.568045] pci 0000:00:01.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] <6>[ 0.568586] pci 0000:00:01.0: ROM [mem 0x00000000-0x0003ffff pref] <6>[ 0.569718] pci 0000:00:02.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint <6>[ 0.570770] pci 0000:00:02.0: BAR 0 [io 0x0000-0x007f] <6>[ 0.571164] pci 0000:00:02.0: BAR 1 [mem 0x00000000-0x00000fff] <6>[ 0.571595] pci 0000:00:02.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] <6>[ 0.576126] pci 0000:00:01.0: ROM [mem 0x40000000-0x4003ffff pref]: assigned <6>[ 0.576877] pci 0000:00:01.0: BAR 4 [mem 0x400000000-0x400003fff 64bit pref]: assigned <6>[ 0.577591] pci 0000:00:02.0: BAR 4 [mem 0x400004000-0x400007fff 64bit pref]: assigned <6>[ 0.578431] pci 0000:00:01.0: BAR 1 [mem 0x40040000-0x40040fff]: assigned <6>[ 0.578974] pci 0000:00:02.0: BAR 1 [mem 0x40041000-0x40041fff]: assigned <6>[ 0.579464] pci 0000:00:02.0: BAR 0 [io 0x0080-0x00ff]: assigned <6>[ 0.579901] pci 0000:00:01.0: BAR 0 [io 0x0020-0x003f]: assigned <6>[ 0.580729] pci_bus 0000:00: resource 4 [io 0x0000-0xffff] <6>[ 0.581151] pci_bus 0000:00: resource 5 [mem 0x40000000-0x7fffffff] <6>[ 0.581536] pci_bus 0000:00: resource 6 [mem 0x400000000-0x7ffffffff] <6>[ 0.588590] SBI CPPC extension NOT detected!! <6>[ 0.600771] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) <6>[ 0.606177] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) <6>[ 0.822229] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled <6>[ 0.844714] printk: legacy console [ttyS0] disabled <6>[ 0.849997] 10000000.serial: ttyS0 at MMIO 0x10000000 (irq = 14, base_baud = 230400) is a 16550A <6>[ 0.853402] printk: legacy console [ttyS0] enabled <6>[ 0.853402] printk: legacy console [ttyS0] enabled <6>[ 0.854676] printk: legacy bootconsole [ns16550a0] disabled <6>[ 0.854676] printk: legacy bootconsole [ns16550a0] disabled <6>[ 0.884818] loop: module loaded <6>[ 0.886426] virtio_blk virtio1: 8/0/0 default/read/poll queues <5>[ 0.892209] virtio_blk virtio1: [vda] 1048576 512-byte logical blocks (537 MB/512 MiB) <6>[ 0.921970] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 0.922321] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 0.925499] usbcore: registered new interface driver uas <6>[ 0.926393] usbcore: registered new interface driver usb-storage <6>[ 0.928459] mousedev: PS/2 mouse device common for all mice <6>[ 0.932483] goldfish_rtc 101000.rtc: registered as rtc0 <6>[ 0.933616] goldfish_rtc 101000.rtc: setting system clock to 2024-11-12T02:56:01 UTC (1731380161) <6>[ 0.940018] sdhci: Secure Digital Host Controller Interface driver <6>[ 0.940386] sdhci: Copyright(c) Pierre Ossman <6>[ 0.940722] Synopsys Designware Multimedia Card Interface Driver <6>[ 0.941493] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 0.942996] usbcore: registered new interface driver usbhid <6>[ 0.943309] usbhid: USB HID core driver <6>[ 0.944270] riscv-pmu-sbi: SBI PMU extension is available <6>[ 0.945145] riscv-pmu-sbi: 16 firmware and 18 hardware counters <6>[ 0.945473] riscv-pmu-sbi: Perf sampling/filtering is not supported as sscof extension is not available <6>[ 0.956806] NET: Registered PF_INET6 protocol family <6>[ 0.967277] Segment Routing with IPv6 <6>[ 0.967783] In-situ OAM (IOAM) with IPv6 <6>[ 0.968509] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver <6>[ 0.972176] NET: Registered PF_PACKET protocol family <6>[ 0.974308] 9pnet: Installing 9P2000 support <5>[ 0.975226] Key type dns_resolver registered <7>[ 0.976006] start plist test <7>[ 0.980183] end plist test <6>[ 1.015149] Freeing initrd memory: 7660K <6>[ 1.019729] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers <6>[ 1.029463] clk: Disabling unused clocks <6>[ 1.030069] PM: genpd: Disabling unused power domains <6>[ 1.030480] ALSA device list: <6>[ 1.030723] No soundcards found. <6>[ 1.159110] Freeing unused kernel image (initmem) memory: 2280K <6>[ 1.160545] Run /init as init process <7>[ 1.160749] with arguments: <7>[ 1.160945] /init <7>[ 1.161098] verbose <7>[ 1.161243] with environment: <7>[ 1.161466] HOME=/ <7>[ 1.161630] TERM=linux Starting syslogd: OK Starting klogd: OK Running sysctl: OK Populating /dev using udev: <30>[ 1.976011] udevd[126]: starting version 3.2.9 <27>[ 2.007142] udevd[126]: specified user 'tss' unknown <27>[ 2.007852] udevd[126]: specified group 'tss' unknown <30>[ 2.024066] udevd[127]: starting eudev-3.2.9 done Saving random seed: OK Starting network: OK Starting dropbear sshd: OK /bin/sh: can't access tty; job control turned off / # / # # # / # mkdir /lava-977950 mkdir /lava-977950 / # mount /dev/disk/by-uuid/0c22e042-8119-449f-8766-909371bdd920 -t ext2 /lava-977950 mount /dev/disk/by-uuid/0c22e042-8119-449f-8766-909371bdd920 -t ext2 /lava-9 77950 <6>[ 4.068620] EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem <6>[ 4.096855] EXT4-fs (vda): mounted filesystem 0c22e042-8119-449f-8766-909371bdd920 r/w without journal. Quota mode: disabled. / # ls -la /lava-977950/bin/lava-test-runner ls -la /lava-977950/bin/lava-test-runner -rwxr-xr-x 1 root root 1039 Nov 12 02:55 [1;32m/lava-977950/bin/lava-test-runner[m / # export SHELL=/bin/sh export SHELL=/bin/sh / # . /lava-977950/environment . /lava-977950/environment / # /lava-977950/bin/lava-test-runner /lava-977950/0 /lava-977950/bin/lava-test-runner /lava-977950/0 + export 'TESTRUN_ID=0_dmesg' + cd /lava-977950/0/tests/0_dmesg + cat uuid + UUID=977950_1.1.3.1 + set +x <8>[ 4.927252] + KERNELCI_LAVA=y /bin/sh /opt/kernelci/dmesg.sh <8>[ 5.131423] <8>[ 5.292730] <8>[ 5.438421] + set +x <8>[ 5.446442] / # poweroff poweroff