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Carregador d'Arrencada

Haiku's Boot Loader Options can help when you experience hardware related problems or want to choose which Haiku installation to start, if you have more than one (maybe on an installation CD or USB stick). It's also handy if you have installed a software component that acts up and prevents you from booting Haiku, see Troubleshooting below.

Per accedir a les opcions del Carregador, heu de mantenir premuda la tecla Majúscules abans de començar el procés de càrrega del Haiku. Si hi ha un carregador instal·lat, podeu començar mantenint premuda la tecla Majúscules abans de lleçar el procés de càrrega del Haiku. Si l'únic sistema operatiu del sistema és el Haiku, podeu començar mantenint premuda la tecla i veure al mateix temps els missatges de l'arrencada de la BIOS.

Boot Loader Options

Un cop aquí se us ofereixen quatre menús:

Selecció del volum d'arrencada		Choose which Haiku installation/state to start (see Troubleshooting below).
Select safe mode options		En cas de problemes amb el maquinari, hi ha algunes opcions que podeu provar. A la part inferior de la pantalla podeu veure una breu explicació de la opció seleccionada.
		Safe mode Puts the system into safe mode. This can be enabled independently from the other options. Disable user add-ons Prevents all user installed add-ons from being loaded. Only the add-ons in the system directory will be used. See Troubleshooting below. Disable IDE DMA Disables IDE DMA, increasing IDE compatibility at the expense of performance. Ignore memory beyond 4 GiB Ignores all memory beyond the 4 GiB address limit, overriding the setting in the kernel settings file. Use fail-safe graphics driver The system will use VESA mode and won't try to use any video graphics drivers. Disable IO-APIC Disables using the IO APIC for interrupt routing, forcing the use of the legacy PIC instead. Disable local APIC Disables using the local APIC, also disables SMP. Disable SMP Disables all but one CPU core. Don't call the BIOS Stops the system from calling BIOS functions. Disable APM Disables Advanced Power Management hardware support, overriding the APM setting in the kernel settings file. Disable ACPI Disables Advanced Configuration and Power Interface hardware support, overriding the ACPI setting in the kernel settings file. Blacklist entries Allows to select system files that shall be ignored. Useful e.g. to disable drivers temporarily. See Troubleshooting below.
Select debug options		Trobareu algunes opcions que us poden ajudar a depurar i obtenir més detalls sobre l'error. De nou, a la part inferior de la pantalla podeu veure una breu explicació de l'opció seleccionada.
		Enable serial debug output Turns on forwarding the syslog output to the serial interface (default: 115200, 8N1). Enable on screen debug output Display debug output on screen while the system is booting, instead of the normal boot logo. Disable on screen paging Disables paging when on screen debug output is enabled. Enable debug syslog Enables a special in-memory syslog buffer for this session that the boot loader will be able to access after rebooting. Display current boot loader log Displays the debug info the boot loader has logged (press Q to exit the log) Add advanced debug option Allows advanced debugging options to be entered directly.
		Si està activat "registre de depuració syslog", en reiniciar després d'un error, a més es mostren aquestes opcions:
		Save syslog from previous session during boot Saves the syslog from the previous Haiku session to /var/log/previous_syslog when booting. Display syslog from previous session Displays the syslog from the previous Haiku session. Save syslog from previous session Saves the syslog from the previous Haiku session to disk. Currently only FAT32 volumes are supported.
Select screen resolution		Lets you force a certain screen resolution and color depth.

Troubleshooting

If Haiku refuses to boot on your hardware from the get-go, try out setting different options under Select safe mode options. Consider filing a bug report in any case.

On the other hand, if Haiku only suddenly acts up after you have installed some software, especially hardware drivers, you have several options to get Haiku bootable again so you can uninstall the offending package:

Activating Safe mode will prevent most servers, daemons and the UserBootscript from being started.
Activating Disable user add-ons will prevent using any add-ons (drivers, translators, etc.) you have installed in the user hierarchy under your Home folder.
If activating Use fail-safe graphics driver solves your troubles by falling back to VESA graphics, you can make the setting permanent by removing the # of the line #fail_safe_video_mode true in the text file /boot/home/config/settings/kernel/drivers/kernel.
If the offending driver, add-on etc. is installed in the system hierarchy, things get a bit more complicated, because that area is read-only. Here, the Blacklist entries comes into play. With it, you can navigate through the whole system hierarchy and disable the component that's messing things up for you by checking an entry with the SPACE or RETURN key. ESC returns you up one level to the parent directory.

Online, there's the article How to Permanently Blacklist a Package File showing how to make that setting stick.
Under Select boot volume you can specify what former "version" of Haiku to boot. Every time you un/install a package, the old state is saved and you can boot into it by choosing it from the list presented in the boot loader options.
So, if you encounter boot problems after installing some package, boot a Haiku state from before that time and uninstall the offending package.

Booting Haiku

Després d'activar qualsevol opció, tornareu al menú principal i el sistema continuarà amb el procés d'arrencada, que mostrarà aquesta pantalla:

Si tot funciona correctament, apareixeran successivament uns símbols.
Els símbols corresponent aproximadament a aquestes etapes del procés d'arrencada:

Atom		S'estàn iniciant els mòduls.
Disc + lupa		S'estàn creant el guió rootfs (/) i muntant el fitxers devfs (/dev).
Targeta d'ampliació		S'està iniciant el gestor de dispositius.
Disc d'arrencada		S'està muntant el disc d'arrencada.
Xip		S'estàn carregant els mòduls de la CPU.
Carpeta		S'han iniciat tots els subsistemes.
Coet		Launch_daemon has started the system.