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 (#net033, 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 : 7 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 : 7 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-rc6 (KernelCI@build-j365386-riscv-clang-16-defconfig-47ftt) (Debian clang version 16.0.6 (15~deb12u1), GNU ld (GNU Binutils for Debian) 2.40) #1 SMP Wed Nov 6 19:29:38 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 : 0xffffffff013a2000 - 0xffffffff80000000 (2028 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>[ 0.000120] sched_clock: 64 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns <6>[ 0.001825] riscv-timer: Timer interrupt in S-mode is available via sstc extension <6>[ 0.016960] Console: colour dummy device 80x25 <6>[ 0.021589] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000) <6>[ 0.024369] pid_max: default: 32768 minimum: 301 <6>[ 0.028045] LSM: initializing lsm=capability <6>[ 0.034120] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) <6>[ 0.035568] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) <6>[ 0.090091] riscv: ELF compat mode supported <6>[ 0.090397] ASID allocator using 16 bits (65536 entries) <6>[ 0.097212] rcu: Hierarchical SRCU implementation. <6>[ 0.097875] rcu: Max phase no-delay instances is 1000. <6>[ 0.102282] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level <6>[ 0.107921] EFI services will not be available. <6>[ 0.114139] smp: Bringing up secondary CPUs ... <6>[ 0.160621] smp: Brought up 1 node, 8 CPUs <6>[ 0.175317] Memory: 978376K/1048576K available (10210K kernel code, 3005K rwdata, 4096K rodata, 2263K init, 492K bss, 65848K reserved, 0K cma-reserved) <6>[ 0.189536] devtmpfs: initialized <6>[ 0.210617] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.211786] futex hash table entries: 2048 (order: 5, 131072 bytes, linear) <6>[ 0.216145] pinctrl core: initialized pinctrl subsystem <6>[ 0.224286] DMI not present or invalid. <6>[ 0.228183] NET: Registered PF_NETLINK/PF_ROUTE protocol family <6>[ 0.234121] DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.235313] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.236563] audit: initializing netlink subsys (disabled) <5>[ 0.240255] audit: type=2000 audit(0.216:1): state=initialized audit_enabled=0 res=1 <6>[ 0.244354] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.244897] cpuidle: using governor menu <6>[ 0.275497] cpu3: Ratio of byte access time to unaligned word access is 9.38, unaligned accesses are fast <6>[ 0.275527] cpu6: Ratio of byte access time to unaligned word access is 9.90, unaligned accesses are fast <6>[ 0.275561] cpu7: Ratio of byte access time to unaligned word access is 3.66, unaligned accesses are fast <6>[ 0.275576] cpu4: Ratio of byte access time to unaligned word access is 10.38, unaligned accesses are fast <6>[ 0.275605] cpu2: Ratio of byte access time to unaligned word access is 12.35, unaligned accesses are fast <6>[ 0.276364] cpu5: Ratio of byte access time to unaligned word access is 9.41, unaligned accesses are fast <6>[ 0.275761] cpu1: Ratio of byte access time to unaligned word access is 7.53, unaligned accesses are fast <6>[ 0.308486] cpu0: Ratio of byte access time to unaligned word access is 7.24, unaligned accesses are fast <6>[ 0.342219] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.342958] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page <6>[ 0.352588] ACPI: Interpreter disabled. <6>[ 0.354001] iommu: Default domain type: Translated <6>[ 0.354525] iommu: DMA domain TLB invalidation policy: strict mode <5>[ 0.362166] SCSI subsystem initialized <7>[ 0.364247] libata version 3.00 loaded. <6>[ 0.366125] usbcore: registered new interface driver usbfs <6>[ 0.367646] usbcore: registered new interface driver hub <6>[ 0.368598] usbcore: registered new device driver usb <6>[ 0.373406] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.393531] vgaarb: loaded <6>[ 0.398528] clocksource: Switched to clocksource riscv_clocksource <6>[ 0.405329] pnp: PnP ACPI: disabled <6>[ 0.454264] NET: Registered PF_INET protocol family <6>[ 0.456398] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.465671] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.466709] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.467605] TCP established hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.468666] TCP bind hash table entries: 8192 (order: 7, 524288 bytes, linear) <6>[ 0.471027] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 0.473048] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 0.474507] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 0.476997] NET: Registered PF_UNIX/PF_LOCAL protocol family <6>[ 0.483789] RPC: Registered named UNIX socket transport module. <6>[ 0.484413] RPC: Registered udp transport module. <6>[ 0.484905] RPC: Registered tcp transport module. <6>[ 0.485373] RPC: Registered tcp-with-tls transport module. <6>[ 0.486123] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.486991] PCI: CLS 0 bytes, default 64 <6>[ 0.494028] workingset: timestamp_bits=46 max_order=18 bucket_order=0 <5>[ 0.500924] NFS: Registering the id_resolver key type <5>[ 0.503143] Key type id_resolver registered <5>[ 0.503650] Key type id_legacy registered <6>[ 0.503870] Unpacking initramfs... <6>[ 0.504832] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 0.505798] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 0.508150] 9p: Installing v9fs 9p2000 file system support <6>[ 0.511783] NET: Registered PF_ALG protocol family <6>[ 0.512902] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 0.515181] io scheduler mq-deadline registered <6>[ 0.515747] io scheduler kyber registered <6>[ 0.516665] io scheduler bfq registered <6>[ 0.530830] riscv-plic: plic@c000000: mapped 95 interrupts with 8 handlers for 16 contexts. <6>[ 0.538129] pci-host-generic 30000000.pci: host bridge /soc/pci@30000000 ranges: <6>[ 0.540351] pci-host-generic 30000000.pci: IO 0x0003000000..0x000300ffff -> 0x0000000000 <6>[ 0.542458] pci-host-generic 30000000.pci: MEM 0x0040000000..0x007fffffff -> 0x0040000000 <6>[ 0.543379] pci-host-generic 30000000.pci: MEM 0x0400000000..0x07ffffffff -> 0x0400000000 <4>[ 0.545220] pci-host-generic 30000000.pci: Memory resource size exceeds max for 32 bits <6>[ 0.547345] pci-host-generic 30000000.pci: ECAM at [mem 0x30000000-0x3fffffff] for [bus 00-ff] <6>[ 0.550747] pci-host-generic 30000000.pci: PCI host bridge to bus 0000:00 <6>[ 0.552063] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.552763] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] <6>[ 0.553375] pci_bus 0000:00: root bus resource [mem 0x40000000-0x7fffffff] <6>[ 0.554246] pci_bus 0000:00: root bus resource [mem 0x400000000-0x7ffffffff] <6>[ 0.557793] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 conventional PCI endpoint <6>[ 0.563961] pci 0000:00:01.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint <6>[ 0.565168] pci 0000:00:01.0: BAR 0 [io 0x0000-0x001f] <6>[ 0.566105] pci 0000:00:01.0: BAR 1 [mem 0x00000000-0x00000fff] <6>[ 0.566827] pci 0000:00:01.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] <6>[ 0.567702] pci 0000:00:01.0: ROM [mem 0x00000000-0x0003ffff pref] <6>[ 0.569105] pci 0000:00:02.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint <6>[ 0.570264] pci 0000:00:02.0: BAR 0 [io 0x0000-0x007f] <6>[ 0.570836] pci 0000:00:02.0: BAR 1 [mem 0x00000000-0x00000fff] <6>[ 0.571467] pci 0000:00:02.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] <6>[ 0.576679] pci 0000:00:01.0: ROM [mem 0x40000000-0x4003ffff pref]: assigned <6>[ 0.577879] pci 0000:00:01.0: BAR 4 [mem 0x400000000-0x400003fff 64bit pref]: assigned <6>[ 0.578915] pci 0000:00:02.0: BAR 4 [mem 0x400004000-0x400007fff 64bit pref]: assigned <6>[ 0.579701] pci 0000:00:01.0: BAR 1 [mem 0x40040000-0x40040fff]: assigned <6>[ 0.580451] pci 0000:00:02.0: BAR 1 [mem 0x40041000-0x40041fff]: assigned <6>[ 0.581167] pci 0000:00:02.0: BAR 0 [io 0x0080-0x00ff]: assigned <6>[ 0.582159] pci 0000:00:01.0: BAR 0 [io 0x0020-0x003f]: assigned <6>[ 0.583264] pci_bus 0000:00: resource 4 [io 0x0000-0xffff] <6>[ 0.583783] pci_bus 0000:00: resource 5 [mem 0x40000000-0x7fffffff] <6>[ 0.584287] pci_bus 0000:00: resource 6 [mem 0x400000000-0x7ffffffff] <6>[ 0.592194] SBI CPPC extension NOT detected!! <6>[ 0.608443] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) <6>[ 0.616294] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) <6>[ 0.839990] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled <6>[ 0.857232] printk: legacy console [ttyS0] disabled <6>[ 0.862242] 10000000.serial: ttyS0 at MMIO 0x10000000 (irq = 14, base_baud = 230400) is a 16550A <6>[ 0.866357] printk: legacy console [ttyS0] enabled <6>[ 0.866357] printk: legacy console [ttyS0] enabled <6>[ 0.867999] printk: legacy bootconsole [ns16550a0] disabled <6>[ 0.867999] printk: legacy bootconsole [ns16550a0] disabled <6>[ 0.901864] loop: module loaded <6>[ 0.903962] virtio_blk virtio1: 8/0/0 default/read/poll queues <5>[ 0.912488] virtio_blk virtio1: [vda] 1048576 512-byte logical blocks (537 MB/512 MiB) <6>[ 0.944684] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 0.945250] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 0.949951] usbcore: registered new interface driver uas <6>[ 0.951034] usbcore: registered new interface driver usb-storage <6>[ 0.953765] mousedev: PS/2 mouse device common for all mice <6>[ 0.959635] goldfish_rtc 101000.rtc: registered as rtc0 <6>[ 0.961604] goldfish_rtc 101000.rtc: setting system clock to 2024-11-06T19:35:44 UTC (1730921744) <6>[ 0.970505] sdhci: Secure Digital Host Controller Interface driver <6>[ 0.971101] sdhci: Copyright(c) Pierre Ossman <6>[ 0.971832] Synopsys Designware Multimedia Card Interface Driver <6>[ 0.973422] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 0.976182] usbcore: registered new interface driver usbhid <6>[ 0.976841] usbhid: USB HID core driver <6>[ 0.978700] riscv-pmu-sbi: SBI PMU extension is available <6>[ 0.980356] riscv-pmu-sbi: 16 firmware and 18 hardware counters <6>[ 0.981081] riscv-pmu-sbi: Perf sampling/filtering is not supported as sscof extension is not available <6>[ 0.997819] NET: Registered PF_INET6 protocol family <6>[ 1.011999] Segment Routing with IPv6 <6>[ 1.012715] In-situ OAM (IOAM) with IPv6 <6>[ 1.014268] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver <6>[ 1.019711] NET: Registered PF_PACKET protocol family <6>[ 1.023077] 9pnet: Installing 9P2000 support <5>[ 1.024301] Key type dns_resolver registered <7>[ 1.025463] start plist test <7>[ 1.031336] end plist test <6>[ 1.032542] Freeing initrd memory: 7660K <6>[ 1.075773] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers <6>[ 1.090093] clk: Disabling unused clocks <6>[ 1.090884] PM: genpd: Disabling unused power domains <6>[ 1.091585] ALSA device list: <6>[ 1.092132] No soundcards found. <6>[ 1.307096] Freeing unused kernel image (initmem) memory: 2260K <6>[ 1.308887] Run /init as init process <7>[ 1.309267] with arguments: <7>[ 1.309863] /init <7>[ 1.310129] verbose <7>[ 1.310384] with environment: <7>[ 1.310696] HOME=/ <7>[ 1.310929] TERM=linux Starting syslogd: OK Starting klogd: OK Running sysctl: OK Populating /dev using udev: <30>[ 1.922314] udevd[129]: starting version 3.2.9 <27>[ 1.966422] udevd[129]: specified user 'tss' unknown <27>[ 1.967513] udevd[129]: specified group 'tss' unknown <30>[ 1.984002] udevd[130]: 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-948691 mkdir /lava-948691 / # mount /dev/disk/by-uuid/6b8457a6-b55b-4a62-a623-4f2c76145f20 -t ext2 /lava-948691 mount /dev/disk/by-uuid/6b8457a6-b55b-4a62-a623-4f2c76145f20 -t ext2 /lava-9 48691 <6>[ 3.876101] EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem <6>[ 4.009614] EXT4-fs (vda): mounted filesystem 6b8457a6-b55b-4a62-a623-4f2c76145f20 r/w without journal. Quota mode: disabled. / # ls -la /lava-948691/bin/lava-test-runner ls -la /lava-948691/bin/lava-test-runner -rwxr-xr-x 1 root root 1039 Nov 6 19:35 [1;32m/lava-948691/bin/lava-test-runner[m / # export SHELL=/bin/sh export SHELL=/bin/sh / # . /lava-948691/environment . /lava-948691/environment / # /lava-948691/bin/lava-test-runner /lava-948691/0 /lava-948691/bin/lava-test-runner /lava-948691/0 + export 'TESTRUN_ID=0_dmesg' + cd /lava-948691/0/tests/0_dmesg + cat uuid + UUID=948691_1.1.3.1 + set +x <8>[ 4.759586] + KERNELCI_LAVA=y /bin/sh /opt/kernelci/dmesg.sh <8>[ 4.888663] <8>[ 4.988203] <8>[ 5.088168] + set +x <8>[ 5.095035] / # poweroff poweroff