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Berni18

Probleme démarrage Xubuntu 18.04

Bonjour,
Avec un portable Lenovo ideapad 330-17AST0 en dual-boot Win10 et Xubuntu 18.04.1 que je viens d'installer,
Le système stoppe temporairement au démarrage de Linux, (clignotant rouge au lieu de Ok vert)
Puis continue sont boot.
Analyse des erreurs au boot
dmesg -l crit ne donne rien.
Mais

dmesg -l err
[    0.000000] [Firmware Bug]: AMD-Vi: IOAPIC[4] not in IVRS table
[    0.000000] [Firmware Bug]: AMD-Vi: IOAPIC[5] not in IVRS table
[    0.000000] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found
[    0.000000] AMD-Vi: Disabling interrupt remapping
[    0.029968] [Firmware Bug]: cpu 0, invalid threshold interrupt offset 1 for bank 4, block 0 (MSR00000413=0xd000000001000000)
[    0.880303] tpm_crb MSFT0101:00: can't request region for resource [mem 0xbdde1000-0xbdde4fff]
[    0.962308] Couldn't get size: 0x800000000000000e
[    1.665915] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:2!
[    2.892354] [drm:hwss_wait_for_blank_complete [amdgpu]] *ERROR* DC: failed to blank crtc!
[   19.623431] PKCS#7 signature not signed with a trusted key

inxi -Fxz

System:    Host: Lenovo-ideapad-330-17AST Kernel: 4.15.0-42-generic x86_64 bits: 64 gcc: 7.3.0
           Desktop: Xfce 4.12.3 (Gtk 2.24.31) Distro: Ubuntu 18.04.1 LTS
Machine:   Device: laptop System: LENOVO product: 81D7 v: Lenovo ideapad 330-17AST serial: N/A
           Mobo: LENOVO model: LNVNB161216 v: SDK0J40700WIN serial: N/A UEFI: LENOVO v: 8UCN09WW date: 07/27/2018
Battery    BAT0: charge: 31.0 Wh 100.1% condition: 31.0/30.6 Wh (101%) model: CPT-COS L16C2PB2 status: Full
CPU:       Dual core AMD A9-9425 RADEON R5 5 COMPUTE CORES 2C+3G (-MCP-) arch: Excavator rev.0 cache: 2048 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm) bmips: 12401
           clock speeds: max: 3100 MHz 1: 1570 MHz 2: 1500 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] Device 98e4 bus-ID: 00:01.0
           Display Server: x11 (X.Org 1.19.6 ) drivers: ati,amdgpu (unloaded: modesetting,fbdev,vesa,radeon)
           Resolution: 1600x900@60.02hz
           OpenGL: renderer: AMD STONEY (DRM 3.23.0 / 4.15.0-42-generic, LLVM 6.0.0)
           version: 4.5 Mesa 18.0.5 Direct Render: Yes
Audio:     Card-1 Advanced Micro Devices [AMD] Device 157a driver: snd_hda_intel bus-ID: 00:09.2
           Card-2 Advanced Micro Devices [AMD/ATI] Device 15b3 driver: snd_hda_intel bus-ID: 00:01.1
           Sound: Advanced Linux Sound Architecture v: k4.15.0-42-generic
Network:   Card-1: Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter
           driver: rtl8821ce port: 2000 bus-ID: 01:00.0
           IF: wlp1s0 state: up mac: <filter>
           Card-2: Realtek RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
           driver: r8169 v: 2.3LK-NAPI port: 1000 bus-ID: 02:00.0
           IF: enp2s0 state: down mac: <filter>
Drives:    HDD Total Size: 1000.2GB (1.4% used)
           ID-1: /dev/sda model: WDC_WD10SPZX size: 1000.2GB
Partition: ID-1: / size: 30G used: 7.3G (27%) fs: ext4 dev: /dev/sda7
           ID-2: /home size: 137G used: 517M (1%) fs: ext4 dev: /dev/sda6
           ID-3: swap-1 size: 6.00GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: No active sensors found. Have you configured your sensors yet? mobo: N/A gpu: 38.0
Info:      Processes: 183 Uptime: 12 min Memory: 828.6/3393.2MB Init: systemd runlevel: 5 Gcc sys: 7.3.0
           Client: Shell (bash 4.4.191) inxi: 2.3.56 

Merci pour votre aide

hibou7

Re : Probleme démarrage Xubuntu 18.04

Salut Berni18

Je ne prétend pas résoudre le pb.
J'ai juste collecté quelques infos sur la toile qui seront peut-être utiles.

D'après la doc lenovo, l'install devrait se faire en mode EFI (uefi).

Ici, Ubuntu a été installé avec succès sur un modèle proche, mais en utilisant le noyau 4.18. Il y a alors un pb de touchpad à résoudre.

4.18, c'est le noyau utilisé sur la version 18.10.
https://wiki.ubuntu.com/CosmicCuttlefis … _.2B2D3cJw-

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Xubuntu 22.04 sur HP ENVY TS Sleekbook 4 | CPU: Intel Core i5-3337U  | RAM: 8 Gio
Débuter en Console
Si GNU/Linux ne répond plus, le redémarrer proprement avec la combinaison de touches:
Alt + SysRq + REISUB (Retourne en Islande sur un bateau).