URL: https://linuxfr.org/forums/linux-noyau/posts/%C3%A0-propos-du-d%C3%A9marrage
Title: à propos du démarrage
Authors: s[e]th & h[o]lth
Date: 2010年09月07日T20:31:25+02:00
Tags: 
Score: 0
Bonjour, 
 
Je suis actuellement en train de debugger un initrd à l'aide de kvm. 
Je voudrais savoir s'il est possible d'afficher dans la console du système hôte, les messages générés par le noyau lors de l'initialisation de ce dernier. 
 
Je parle des logs du style : 
 
 Initializing cgroup subsys cpu 
 Linux version 2.6.33-18 UTC 2010 
 Command line: initrd=initrd.img stage2=hd:LABEL="Fedora" console=ttyS0 console=tty BOOT_IMAGE=vmlinuz 
 BIOS-providedmap: 
 £spaces£ £/spaces£BIOS-e820 BIOS-e820: 0000000000100000 - 000000005fff0000 (usable) 
 £spaces£ £/spaces£BIOS-e820: 000000005fff0000 - 0000000060000000 (ACPI data) 
 NX (Execute Disable) protection: active 
 No AGP bridge found 
 PAT not supported by CPU. 
 init_memorRAMDISK: 5e2be000 - 5ffcefACPI: RSDP 00000000000fbd40 00014 (v00 QEMU ) 
 ACPI: RSDT 000000005ffACPI: FACP 000000005fff01b4 00074 (v01 QEMU QEMUFACP 00000001 QEACPI: DSDT 000000005fff0280 01DD4 (v01 BACPI: FACS 000000005fff0240 ACPI: SSDT 000000005fff2054 009E3 (v01 BXPC $ 
 Faking a node at 0000000000000000-000000005fff0000 
 Bootmem setup node 0 0000000000000000-000000005fff0000 
 £spaces£ £/spaces£NODE_DATA [000000000000a000 - 0000000000022fff] 
 £spaces£ £/spaces£bootmap [0000000000023000 - 000000000002efff] pages c 
 (12 early reservations) ==> bootmem [0000000000 - 005fff0000] 
 £spaces£ £/spaces£#0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] 
 £spaces£ £/spaces£#1 [0001000000 - 00029bb0f8] TEXT DATA BSS ==> [0001000000 - 00029bb0f8] 
 £spaces£ £/spaces£#2 [005e2be000 - 005ffcef98] RAMDISK ==> [005e2be000 - 005ffcef98] 
 £spaces£ £/spaces£#3 [00029bc000 - 00029bc065] BRK ==> [00029bc000 - 00029bc065] 
 £spaces£ £/spaces£#4 [00000fbc30 - 0000100000] BIOS reserved ==> [00000fbc30 - 0000100000] 
 £spaces£ £/spaces£#5 [00000fbc20 - 00000fbc30] MP-table mpf ==> [00000fbc20 - 00000fbc30] 
 £spaces£ £/spaces£#6 [000009fc00 - 00000fba20] BIOS reserved ==> [000009fc00 - 00000fba20] 
 £spaces£ £/spaces£#7 [00000fbc14 - 00000fbc20] BIOS reserved ==> [00000fbc14 - 00000fbc20] 
 £spaces£ £/spaces£#8 [00000fba20 - 00000fbc14] MP-table mpc ==> [00000fba20 - 00000fbc14] 
 £spaces£ £/spaces£#9 [0000001000 - 0000003000] TRAMPOLINE ==> [0000001000 - 0000003000] 
 £spaces£ £/spaces£#10 [0000003000 - 0000007000] ACPI WAKEUP ==> [0000003000 - 0000007000] 
 £spaces£ £/spaces£#11 [0000008000 - 000000a000] PGTABLE ==> [0000008000 - 000000a000] 
 kvm-clock: cpu 0, msr 0:1d80e01, boot clock 
 Zone PFN ranges: 
 £spaces£ £/spaces£DMA 0x00000000 -> 0x00001000 
 £spaces£ £/spaces£DMA32 0x00001000 -> 0x00100000 
 £spaces£ £/spaces£Normal 0x00100000 -> 0x00100000 
 Movable zone start PFN for each node 
 
 
Je vous remercie d'avance !
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