(s2 sgr2, L1)
Ce ar putea afla un incepator din mesajele nucleului Linux. (partea I)
- despre nucleu
- despre procesor
- despre puterea de calcul
- despre linia de comanda a nucleului
- despre usb-uri
- despre defectele procesorului
- despre power management si componente ACPI
- despre memorie
- despre defecte hardware
- despre microcod
Tastand dmesg: Cititi si incercati sa raspundeti la intrebari ...
1) De cand dateaza microcodul procesorului ?
[ 0.000000] microcode: microcode updated early to revision 0xd6, date = 2020-04-27
2) Ce versiune are nucleul Linux ?
[ 0.000000] Linux version 5.4.0-48-generic (buildd@lcy01-amd64-023) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #52~18.04.1-Ubuntu SMP Thu Sep 10 12:50:22 UTC 2020 (Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60)
3) Unde este stocat nucleul, in arborele de fisiere si directoare ?
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=bfa8825e-c408-4084-a919-51ff18e208c1 ro quiet splash vt.handoff=1
4) Kernelul , nucleul, este un executabil C, care ruleaza cu parametri, in linia de comanda. Care sunt parametrii ?
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=bfa8825e-c408-4084-a919-51ff18e208c1 ro quiet splash vt.handoff=1
5) Procesoare utilizabile cu acest nucleu ?
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Hygon HygonGenuine
[ 0.000000] Centaur CentaurHauls
[ 0.000000] zhaoxin Shanghai
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64
[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64
[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009c7ff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009c800-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000072b5efff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000072b5f000-0x0000000072b5ffff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x0000000072b60000-0x000000007a57dfff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007a57e000-0x000000007a5bcfff] ACPI data
[ 0.000000] BIOS-e820: [mem 0x000000007a5bd000-0x000000007aef9fff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000007aefa000-0x000000007b4fefff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007b500000-0x000000007b5fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000027f7fffff] usable
6) Este protejat acest sistem de atacurile prin stiva ?
NX = non executable stack ?
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.8 present.
7) Care este modelul computerului ?
[ 0.000000] DMI: Dell Inc. Inspiron 5567/02YHJP, BIOS 1.2.6 07/09/2018
[ 0.000000] tsc: Detected 2700.000 MHz processor
[ 0.002262] tsc: Detected 2699.909 MHz TSC
[ 0.002262] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.002263] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.002269] last_pfn = 0x27f800 max_arch_pfn = 0x400000000
[ 0.002273] MTRR default type: write-back
[ 0.002274] MTRR fixed ranges enabled:
[ 0.002275] 00000-9FFFF write-back
[ 0.002276] A0000-BFFFF uncachable
[ 0.002276] C0000-FFFFF write-protect
[ 0.002277] MTRR variable ranges enabled:
[ 0.002279] 0 base 0080000000 mask 7F80000000 uncachable
[ 0.002280] 1 base 007E000000 mask 7FFE000000 uncachable
[ 0.002280] 2 base 007D000000 mask 7FFF000000 uncachable
[ 0.002281] 3 disabled
[ 0.002281] 4 disabled
[ 0.002282] 5 disabled
[ 0.002282] 6 disabled
[ 0.002283] 7 disabled
[ 0.002283] 8 disabled
[ 0.002284] 9 disabled
[ 0.002812] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.003015] last_pfn = 0x72b5f max_arch_pfn = 0x400000000
8) Este acest procesor multi-core ?
Adica cu Simetrical Multi Processing ?
[ 0.011421] found SMP MP-table at [mem 0x000fce00-0x000fce0f]
[ 0.011489] check: Scanning 1 areas for low memory corruption
[ 0.011493] Using GB pages for direct mapping
9) Foloseste acest sistem un RAM DISK ?
[ 0.011761] RAMDISK: [mem 0x3320d000-0x358fdfff]
[ 0.011776] ACPI: Early table checksum verification disabled
…
[ 0.011864] ACPI: Local APIC address 0xfee00000
[ 0.012057] No NUMA configuration found
[ 0.012058] Faking a node at [mem 0x0000000000000000-0x000000027f7fffff]
[ 0.012066] NODE_DATA(0) allocated [mem 0x27f7d5000-0x27f7fffff]
10) foloseste acest computer DMA ?
[ 0.012254] Zone ranges:
[ 0.012255] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.012256] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.012257] Normal [mem 0x0000000100000000-0x000000027f7fffff]
[ 0.012258] Device empty
[ 0.012259] Movable zone start for each node
[ 0.012262] Early memory node ranges
[ 0.012263] node 0: [mem 0x0000000000001000-0x000000000009bfff]
[ 0.012264] node 0: [mem 0x0000000000100000-0x0000000072b5efff]
[ 0.012265] node 0: [mem 0x0000000100000000-0x000000027f7fffff]
[ 0.012436] Zeroed struct page in unavailable ranges: 23814 pages
[ 0.012437] Initmem setup node 0 [mem 0x0000000000001000-0x000000027f7fffff]
[ 0.012438] On node 0 totalpages: 2040570
[ 0.012439] DMA zone: 64 pages used for memmap
[ 0.012440] DMA zone: 21 pages reserved
[ 0.012441] DMA zone: 3995 pages, LIFO batch:0
[ 0.012490] DMA32 zone: 7278 pages used for memmap
[ 0.012491] DMA32 zone: 465759 pages, LIFO batch:63
[ 0.021116] Normal zone: 24544 pages used for memmap
[ 0.021117] Normal zone: 1570816 pages, LIFO batch:63
11) Am si cip video de la Intel pentru a rula grafica cu consum redus ?
[ 0.040053] Reserving Intel graphics memory at [mem 0x7d800000-0x7f7fffff]
I s-a alocat memorie !
[ 0.040310] ACPI: PM-Timer IO Port: 0x1808
[ 0.040312] ACPI: Local APIC address 0xfee00000
[ 0.040318] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.040318] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[ 0.040319] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[ 0.040320] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
[ 0.040352] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119
[ 0.040354] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.040355] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.040356] ACPI: IRQ0 used by override.
[ 0.040357] ACPI: IRQ9 used by override.
[ 0.040359] Using ACPI (MADT) for SMP configuration information
[ 0.040360] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[ 0.040363] TSC deadline timer available
12) Cate procesoare/nuclee am la dispozitie ?
[ 0.040364] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
…
13) Are sistemul magistrala PCI ?
[ 0.040392] [mem 0x7f800000-0xdfffffff] available for PCI devices
14) Kernelul ruleaza pe hardware-ul de baza ?
[ 0.040392] Booting paravirtualized kernel on bare hardware
paravirtualized = ?
15) Care este linia de comanda a nucleului ?
[ 0.040599] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=bfa8825e-c408-4084-a919-51ff18e208c1 ro quiet splash vt.handoff=1
[ 0.041193] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
16) Cum se numesc nodurile din structura (arborescenta) a sistemului de fisiere ?
[ 0.041462] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
Fine tunning: tune2fs ...
[ 0.041509] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 0.045963] Calgary: detecting Calgary via BIOS EBDA area
[ 0.045965] Calgary: Unable to locate Rio Grande table in EBDA – bailing!
17) Cat de mare este memoria sistemului ?
[ 0.072143] Memory: 7881176K/8162280K available (14339K kernel code, 2379K
18) Cata memorie ocupa primul proces, numit init ?
rwdata, 4928K rodata, 2704K init, 5020K bss, 281104K reserved, 0K cma-reserved)
[ 0.072149] random: get_random_u64 called from __kmem_cache_create+0x41/0x550 with crng_init=0
[ 0.072287] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
19) Sunt utilizatorii separati de spatiul nucleului ?
[ 0.072302] Kernel/User page tables isolation: enabled
[ 0.072315] ftrace: allocating 44229 entries in 173 pages
[ 0.091220] rcu: Hierarchical RCU implementation.
[ 0.091222] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=4.
[ 0.091223] Tasks RCU enabled.
[ 0.091224] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.091224] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[ 0.094076] NR_IRQS: 524544, nr_irqs: 1024, preallocated irqs: 16
[ 0.094633] random: crng done (trusting CPU's manufacturer)
20) Avem un defect hardware sau un malware care transmite cereri de intrerupere cu nr 7 ?
[ 0.094677] spurious 8259A interrupt: IRQ7.
[ 0.094696] vt handoff: transparent VT on vt#1
[ 0.094704] Console: colour dummy device 80x25
[ 0.094707] printk: console [tty0] enabled
[ 0.094727] ACPI: Core revision 20190816
[ 0.095024] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635855245 ns
[ 0.095138] APIC: Switch to symmetric I/O mode setup
[ 0.095140] DMAR: Host address width 39
[ 0.095141] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
[ 0.095146] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e
[ 0.095147] DMAR: DRHD base: 0x000000fed91000 flags: 0x1
[ 0.095151] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da
[ 0.095152] DMAR: RMRR base: 0x0000007a2cf000 end: 0x0000007a2eefff
[ 0.095152] DMAR: RMRR base: 0x0000007d000000 end: 0x0000007f7fffff
[ 0.095153] DMAR: ANDD device: 1 name: \_SB.PCI0.I2C0
[ 0.095154] DMAR: ANDD device: 2 name: \_SB.PCI0.I2C1
[ 0.095155] DMAR-IR: IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1
[ 0.095156] DMAR-IR: HPET id 0 under DRHD base 0xfed91000
[ 0.095157] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping.
[ 0.096824] DMAR-IR: Enabled IRQ remapping in x2apic mode
[ 0.096825] x2apic enabled
[ 0.096838] Switched APIC routing to cluster x2apic.
[ 0.100855] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.119177] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x26eae8729ef, max_idle_ns: 440795235156 ns
21) Care este puterea de calcul a sistemului in Bogo-Mega-instructiuni / sec ?
[ 0.119182] Calibrating delay loop (skipped), value calculated using timer frequency.. 5399.81 BogoMIPS (lpj=10799636)
[ 0.119184] pid_max: default: 32768 minimum: 301
[ 0.119221] LSM: Security Framework initializing
[ 0.119231] Yama: becoming mindful.
[ 0.119258] AppArmor: AppArmor initialized
[ 0.119321] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.119339] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.119354] *** VALIDATE tmpfs ***
[ 0.119497] *** VALIDATE proc ***
[ 0.119544] *** VALIDATE cgroup1 ***
[ 0.119545] *** VALIDATE cgroup2 ***
[ 0.119619] mce: CPU0: Thermal monitoring enabled (TM1)
[ 0.119635] process: using mwait in idle threads
[ 0.119638] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 0.119638] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
22) Include acest sistem protectii la Spectre V1 si Spectre V2 ?
[ 0.119641] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 0.119642] Spectre V2 : Mitigation: Full generic retpoline
[ 0.119643] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.119643] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.119644] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 0.119645] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl
[ 0.119646] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp
[ 0.119652] SRBDS: Mitigation: Microcode
[ 0.119653] MDS: Mitigation: Clear CPU buffers
[ 0.119922] Freeing SMP alternatives memory: 40K
23) Tipul de procesor ?
[ 0.123265] smpboot: CPU0: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz (family: 0x6, model: 0x8e, stepping: 0x9)
[ 0.123360] mce: [Hardware Error]: Machine check events logged
[ 0.123362] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 6: ee2000000040110a
[ 0.123364] mce: [Hardware Error]: TSC 0 ADDR fef1ce80 MISC 43880014086
[ 0.123367] mce: [Hardware Error]: PROCESSOR 0:806e9 TIME 1602757724 SOCKET 0 APIC 0 microcode d6
[ 0.123368] mce: [Hardware Error]: Machine check events logged
[ 0.123369] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 7: ee2000000040110a
[ 0.123370] mce: [Hardware Error]: TSC 0 ADDR fef1ce40 MISC 7880014086
[ 0.123372] mce: [Hardware Error]: PROCESSOR 0:806e9 TIME 1602757724 SOCKET 0 APIC 0 microcode d6
[ 0.123424] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.
[ 0.123429] ... version: 4
[ 0.123429] ... bit width: 48
[ 0.123430] ... generic registers: 4
[ 0.123430] ... value mask: 0000ffffffffffff
[ 0.123431] ... max period: 00007fffffffffff
[ 0.123431] ... fixed-purpose events: 3
[ 0.123432] ... event mask: 000000070000000f
[ 0.123471] rcu: Hierarchical SRCU implementation.
[ 0.124450] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter.
24) Porneste acest sistem in mod multiprocesor ?
[ 0.124512] smp: Bringing up secondary CPUs ...
[ 0.124595] x86: Booting SMP configuration:
[ 0.124595] .... node #0, CPUs: #1 #2
[ 0.127707] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[ 0.127707] #3
[ 0.127707] smp: Brought up 1 node, 4 CPUs
[ 0.127707] smpboot: Max logical packages: 1
25) Daca ar fi un procesor single core, ce frecventa ar trebui sa aiba ?
Echivalentul unui procesor de 10,8 GHz.
[ 0.127707] smpboot: Total of 4 processors activated (21599.27 BogoMIPS)
[ 0.128901] devtmpfs: initialized
[ 0.128901] x86/mm: Memory block size: 128MB
…
…
[ 0.259001] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 *10 11 12 14 15)
[ 0.259086] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
[ 0.259169] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.259249] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.259331] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.259414] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.259496] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.259578] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.261652] ACPI: EC: interrupt unblocked
[ 0.261652] ACPI: EC: event unblocked
[ 0.261657] ACPI: \_SB_.PCI0.LPCB.ECDV: GPE=0x45, EC_CMD/EC_SC=0x934, EC_DATA=0x930
[ 0.261657] ACPI: \_SB_.PCI0.LPCB.ECDV: Boot DSDT EC used to handle transactions and events
[ 0.261657] iommu: Default domain type: Translated
[ 0.261657] SCSI subsystem initialized
[ 0.261657] libata version 3.00 loaded.
26) Ce numar si pe ce magistrala are VGA-ul de la pornire ?
[ 0.261657] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[ 0.261657] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 0.261657] pci 0000:00:02.0: vgaarb: bridge control possible
[ 0.261657] vgaarb: loaded
27) Pot folosi sisteme de fisiere (aka stick-uri, harduri) accesibile prin Usb ?
Le intercepteaza ACPI ?
[ 0.261657] ACPI: bus type USB registered
[ 0.261657] usbcore: registered new interface driver usbfs
[ 0.261657] usbcore: registered new interface driver hub
[ 0.261657] usbcore: registered new device driver usb
[ 0.261657] pps_core: LinuxPPS API ver. 1 registered
[ 0.261657] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.261657] PTP clock support registered
[ 0.261657] EDAC MC: Ver: 3.0.0
[ 0.263223] PCI: Using ACPI for IRQ routing
[ 0.293366] PCI: pci_cache_line_size set to 64 bytes
[ 0.293763] e820: reserve RAM buffer [mem 0x0009c800-0x0009ffff]
[ 0.293765] e820: reserve RAM buffer [mem 0x72b5f000-0x73ffffff]
[ 0.293766] e820: reserve RAM buffer [mem 0x27f800000-0x27fffffff]
[ 0.293862] NetLabel: Initializing
[ 0.293863] NetLabel: domain hash size = 128
[ 0.293863] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 0.293879] NetLabel: unlabeled traffic allowed by default
[ 0.293891] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
[ 0.293891] hpet0: 8 comparators, 64-bit 24.000000 MHz counter
[ 0.295198] clocksource: Switched to clocksource tsc-early
[ 0.306642] *** VALIDATE bpf ***
[ 0.306708] VFS: Disk quotas dquot_6.6.0
[ 0.306723] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.306746] *** VALIDATE ramfs ***
[ 0.306748] *** VALIDATE hugetlbfs ***
28) Este activata protectia AppArmour la nivel de sistem de fisiere ?
[ 0.306834] AppArmor: AppArmor Filesystem Enabled
[ 0.306861] pnp: PnP ACPI init
[ 0.307209] system 00:00: [io 0x0680-0x069f] has been reserved
[ 0.307211] system 00:00: [io 0xffff] has been reserved
[ 0.307212] system 00:00: [io 0xffff] has been reserved
[ 0.307213] system 00:00: [io 0xffff] has been reserved
[ 0.307214] system 00:00: [io 0x1800-0x18fe] has been reserved
[ 0.307215] system 00:00: [io 0x164e-0x164f] has been reserved
[ 0.307220] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.307343] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.307385] system 00:02: [io 0x1854-0x1857] has been reserved
[ 0.307388] system 00:02: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
[ 0.307840] pnp 00:03: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.307859] pnp 00:04: Plug and Play ACPI device, IDs DLL0767 PNP0f13 (active)
[ 0.308178] system 00:05: [mem 0xfed10000-0xfed17fff] has been reserved
[ 0.308180] system 00:05: [mem 0xfed18000-0xfed18fff] has been reserved
[ 0.308181] system 00:05: [mem 0xfed19000-0xfed19fff] has been reserved
[ 0.308182] system 00:05: [mem 0xe0000000-0xefffffff] has been reserved
[ 0.308183] system 00:05: [mem 0xfed20000-0xfed3ffff] has been reserved
[ 0.308185] system 00:05: [mem 0xfed90000-0xfed93fff] could not be reserved
[ 0.308186] system 00:05: [mem 0xfed45000-0xfed8ffff] has been reserved
[ 0.308187] system 00:05: [mem 0xff000000-0xffffffff] has been reserved
[ 0.308188] system 00:05: [mem 0xfee00000-0xfeefffff] could not be reserved
[ 0.308190] system 00:05: [mem 0xdffe0000-0xdfffffff] has been reserved
[ 0.308193] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.308241] system 00:06: [mem 0xfd000000-0xfdabffff] has been reserved
[ 0.308243] system 00:06: [mem 0xfdad0000-0xfdadffff] has been reserved
[ 0.308244] system 00:06: [mem 0xfdb00000-0xfdffffff] has been reserved
[ 0.308245] system 00:06: [mem 0xfe000000-0xfe01ffff] could not be reserved
[ 0.308246] system 00:06: [mem 0xfe036000-0xfe03bfff] has been reserved
[ 0.308247] system 00:06: [mem 0xfe03d000-0xfe3fffff] has been reserved
[ 0.308248] system 00:06: [mem 0xfe410000-0xfe7fffff] has been reserved
[ 0.308251] system 00:06: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.308625] system 00:07: [io 0xff00-0xfffe] has been reserved
[ 0.308628] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.310047] system 00:08: [mem 0xfe029000-0xfe029fff] has been reserved
[ 0.310049] system 00:08: [mem 0xfe028000-0xfe028fff] has been reserved
[ 0.310052] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.313911] pnp: PnP ACPI: found 9 devices
[ 0.315080] thermal_sys: Registered thermal governor 'fair_share'
[ 0.315080] thermal_sys: Registered thermal governor 'bang_bang'
[ 0.315081] thermal_sys: Registered thermal governor 'step_wise'
[ 0.315082] thermal_sys: Registered thermal governor 'user_space'
[ 0.315082] thermal_sys: Registered thermal governor 'power_allocator'
[ 0.319583] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 0.319618] pci 0000:00:1c.0: PCI bridge to [bus 01]
[ 0.319626] pci 0000:00:1c.0: bridge window [io 0xe000-0xefff]
[ 0.319629] pci 0000:00:1c.0: bridge window [mem 0xdf200000-0xdf2fffff]
[ 0.319632] pci 0000:00:1c.0: bridge window [mem 0xc0000000-0xd01fffff 64bit pref]
[ 0.319636] pci 0000:00:1c.4: PCI bridge to [bus 02]
[ 0.319640] pci 0000:00:1c.4: bridge window [mem 0xdf100000-0xdf1fffff]
[ 0.319646] pci 0000:00:1c.5: PCI bridge to [bus 03]
[ 0.319647] pci 0000:00:1c.5: bridge window [io 0xd000-0xdfff]
[ 0.319651] pci 0000:00:1c.5: bridge window [mem 0xdf000000-0xdf0fffff]
[ 0.319653] pci 0000:00:1c.5: bridge window [mem 0xd0300000-0xd03fffff 64bit pref]
[ 0.319658] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 0.319660] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 0.319661] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 0.319662] pci_bus 0000:00: resource 7 [mem 0x7f800000-0xdfffffff window]
[ 0.319663] pci_bus 0000:00: resource 8 [mem 0xfd000000-0xfe7fffff window]
[ 0.319664] pci_bus 0000:01: resource 0 [io 0xe000-0xefff]
[ 0.319665] pci_bus 0000:01: resource 1 [mem 0xdf200000-0xdf2fffff]
[ 0.319665] pci_bus 0000:01: resource 2 [mem 0xc0000000-0xd01fffff 64bit pref]
[ 0.319666] pci_bus 0000:02: resource 1 [mem 0xdf100000-0xdf1fffff]
[ 0.319667] pci_bus 0000:03: resource 0 [io 0xd000-0xdfff]
[ 0.319668] pci_bus 0000:03: resource 1 [mem 0xdf000000-0xdf0fffff]
[ 0.319669] pci_bus 0000:03: resource 2 [mem 0xd0300000-0xd03fffff 64bit pref]
[ 0.319857] NET: Registered protocol family 2
[ 0.319996] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, linear)
[ 0.320036] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 0.320161] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, linear)
[ 0.320250] TCP: Hash tables configured (established 65536 bind 65536)
[ 0.320280] UDP hash table entries: 4096 (order: 5, 131072 bytes, linear)
[ 0.320302] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, linear)
[ 0.320352] NET: Registered protocol family 1
[ 0.320357] NET: Registered protocol family 44
[ 0.320370] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 0.339413] pci 0000:00:14.0: quirk_usb_early_handoff+0x0/0x6b0 took 18586 usecs
[ 0.339477] pci 0000:01:00.0: disabling ATS
[ 0.339628] PCI: CLS 0 bytes, default 64
[ 0.339667] Trying to unpack rootfs image as initramfs...
[ 0.944723] Freeing initrd memory: 39876K
[ 0.944772] DMAR: ACPI device "device:70" under DMAR at fed91000 as 00:15.0
[ 0.944775] DMAR: ACPI device "device:71" under DMAR at fed91000 as 00:15.1
[ 0.963237] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 0.963238] software IO TLB: mapped [mem 0x6eb5f000-0x72b5f000] (64MB)
[ 0.963445] check: Scanning for low memory corruption every 60 seconds
29) Foloseste acest sistem key de criptare, (certificate semnate criptografic) ?
[ 0.963833] Initialise system trusted keyrings
[ 0.963858] Key type blacklist registered
[ 0.963882] workingset: timestamp_bits=36 max_order=21 bucket_order=0
[ 0.965106] zbud: loaded
[ 0.965453] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.965599] fuse: init (API version 7.31)
[ 0.965612] *** VALIDATE fuse ***
[ 0.965614] *** VALIDATE fuse ***
[ 0.965695] Platform Keyring initialized
[ 0.969070] Key type asymmetric registered
[ 0.969071] Asymmetric key parser 'x509' registered
[ 0.969081] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[ 0.969117] io scheduler mq-deadline registered
[ 0.969474] pcieport 0000:00:1c.0: PME: Signaling with IRQ 122
[ 0.969543] pcieport 0000:00:1c.0: AER: enabled with IRQ 122
[ 0.969808] pcieport 0000:00:1c.4: PME: Signaling with IRQ 123
[ 0.969864] pcieport 0000:00:1c.4: AER: enabled with IRQ 123
[ 0.970099] pcieport 0000:00:1c.5: PME: Signaling with IRQ 124
[ 0.970157] pcieport 0000:00:1c.5: AER: enabled with IRQ 124
[ 0.970228] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
[ 0.970281] vesafb: mode is 1920x1080x32, linelength=7680, pages=0
[ 0.970281] vesafb: scrolling: redraw
[ 0.970282] vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[ 0.970294] vesafb: framebuffer at 0xb0000000, mapped to 0x00000000e7f980b9, using 8128k, total 8128k
[ 0.970331] fbcon: Deferring console take-over
[ 0.970331] fb0: VESA VGA frame buffer device
[ 0.970344] intel_idle: MWAIT substates: 0x11142120
[ 0.970345] intel_idle: v0.4.1 model 0x8E
[ 0.970560] intel_idle: lapic_timer_reliable_states 0xffffffff
30) Ce “intrerupatoare” /senzori foloseste sistemul ACPI ?
[ 0.972683] ACPI: AC Adapter [AC] (on-line)
[ 0.972752] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
[ 0.972781] ACPI: Lid Switch [LID0]
[ 0.972807] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
[ 0.972828] ACPI: Power Button [PBTN]
[ 0.972852] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
[ 0.972864] ACPI: Sleep Button [SBTN]
[ 0.972892] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[ 0.972910] ACPI: Power Button [PWRF]
[ 0.975027] thermal LNXTHERM:00: registered as thermal_zone0
[ 0.975028] ACPI: Thermal Zone [THM] (25 C)
30) Am o interfata seriala, la ce este ea buna ?
[ 0.975230] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[ 0.977901] Linux agpgart interface v0.103
[ 0.979205] tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags 0x200] vs fed40080 f80
[ 0.979215] tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags 0x200] vs fed40080 f80
[ 1.002056] battery: ACPI: Battery Slot [BAT0] (battery present)
[ 1.041578] loop: module loaded
[ 1.041765] libphy: Fixed MDIO Bus: probed
[ 1.041765] tun: Universal TUN/TAP device driver, 1.6
[ 1.041810] PPP generic driver version 2.4.2
[ 1.041878] VFIO - User Level meta-driver version: 0.3
31) Tipuri de componente / generatii de USB-uri ?
[ 1.041965] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.041967] ehci-pci: EHCI PCI platform driver
[ 1.041978] ehci-platform: EHCI generic platform driver
[ 1.041991] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.041992] ohci-pci: OHCI PCI platform driver
[ 1.041999] ohci-platform: OHCI generic platform driver
[ 1.042005] uhci_hcd: USB Universal Host Controller Interface driver
[ 1.042239] xhci_hcd 0000:00:14.0: xHCI Host Controller
[ 1.042244] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
[ 1.043327] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810
32) Ce informatii transmite un dispozitiv USB ?
[ 1.043561] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
[ 1.043750] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 1.043752] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.043753] usb usb1: Product: xHCI Host Controller
[ 1.043754] usb usb1: Manufacturer: Linux 5.4.0-48-generic xhci-hcd
[ 1.043755] usb usb1: SerialNumber: 0000:00:14.0
[ 1.043857] hub 1-0:1.0: USB hub found
[ 1.043877] hub 1-0:1.0: 12 ports detected
[ 1.045228] xhci_hcd 0000:00:14.0: xHCI Host Controller
[ 1.045231] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
[ 1.045233] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed
[ 1.045271] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[ 1.045272] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.045273] usb usb2: Product: xHCI Host Controller
[ 1.045274] usb usb2: Manufacturer: Linux 5.4.0-48-generic xhci-hcd
[ 1.045275] usb usb2: SerialNumber: 0000:00:14.0
[ 1.045367] hub 2-0:1.0: USB hub found
[ 1.045387] hub 2-0:1.0: 6 ports detected
33) Mouse-ul este ca la primele IBM-PC-uri ?
[ 1.046094] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
Ne oprim la:
KBD si AUX
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