我再次重新发布我的主题，仅针对 Ubuntu。很抱歉造成混淆。我是设置 PXE 服务器的新手。如果我的设置有任何异常，请原谅我。我尝试在 Ubuntu PXE 服务器的 UEFI 启动下从 ISO 文件“ubuntu-20.04.6-live-server-amd64.iso”安装 Ubuntu，我遇到了以下问题
[ 49.073558] PM: Magic number: 8:683:869
[ 49.121628] acpi device:e2: hash matches
[ 49.168605] processor cpu29: hash matches
[ 49.216599] rtc_cmos 00:00: setting system clock to 2024-01-26T04:53:11 UTC (1706244791)
[ 49.319976] md: Waiting for all devices to be available before autodetect
[ 49.401235] md: If you don't use raid, use raid=noautodetect
[ 49.469055] md: Autodetecting RAID arrays.
[ 49.518028] md: autorun ...
[ 49.551411] md: ... autorun DONE.
[ 49.591054] VFS: Cannot open root device "ram0" or unknown-block(0,0): error -6
[ 49.678503] Please append a correct "root=" boot option; here are the available partitions:
[ 49.778446] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 49.877349] CPU: 12 PID: 1 Comm: swapper/0 Not tainted 5.4.0-144-generic #161-Ubuntu
[ 49.970011] Hardware name: Dell WHITLEY, BIOS 1.0 10/13/2015
[ 50.054355] Call Trace:
[ 50.083586] dump_stack+0x6d/0x8b
[ 50.123205] panic+0x101/0x2e3
[ 50.159709] mount_block_root+0x23f/0x2e8
[ 50.207651] mount_root+0x38/0x3a
[ 50.247274] prepare_namespace+0x13f/0x194
[ 50.296260] kernel_init_freeable+0x265/0x289
[ 50.348365] ? rest_init+0xb0/0xb0
[ 50.389028] kernel_init+0xe/0x110
[ 50.429693] ret_from_fork+0x1f/0x40
[ 50.472453] Kernel Offset: 0x2d600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 50.601506] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---
以下是我在 Ubuntu PXE 服务器配置文件上的设置：
#setup console
serial 0 9600
#perform a local boot by default
default mfg
#boot automatically after 30 seconds in tenths of a second
time out 300
#Ramdisk support
label mfg
KERNEL /ubuntu/ubuntu/casper/vmlinuz
APPEND root=/dev/ram0 rw load_ramdisk=1 initrd=/ubuntu/ubuntu/casper/initrd ramdisk_size=3500000 console=ttyS0,9600n8 console=tty0,9600n8
图片文件夹目录：
root@Ubuntu-Server1:/tftpboot/ubuntu/ubuntu/casper# dir
extras hwe-initrd installer.squashfs.gpg
filesystem.manifest hwe-vmlinuz squashfs.manifest
filesystem.squashfs initrd vmlinuz
filesystem.squashfs.gpg installer.squashfs
root@Ubuntu-Server1:/tftpboot/ubuntu/ubuntu/casper#
我的 Ubuntu PXE 服务器是
Operating System: Ubuntu 20.04.6 LTS
Kernel: Linux 5.4.0-170-generic
我的 Ubuntu PXE 服务器有什么问题吗？可以更改以修复该问题吗？如果您能提供帮助，我将不胜感激。