我已经为UML内核安装了软件包user-mode-linux。我使用以下命令构建了用户模式linux文件系统， 甚至从以下网址尝试了Ubuntu文件系统：http : //fs.devloop.org.uk/
但是看来我无法正确启动Ubuntu文件系统。即使Fedora和Suse文件系统都可以工作并显示提示。
我已经使用各种方法启动了系统，但似乎无法获得登录提示。我当前的命令行是：linux ubda =。/ Ubuntu-MaverickMeerkat-i386-root_fs mem = 512M umid = maverick con0 = xterm con1 = xterm con = null
但是，这导致我出现错误，并且没有提示访问系统。
Initializing cgroup subsys cpuset
Linux version 2.6.35.1 (root@rothera) (gcc version 4.4.5 20100813 (Linaro prerelease) [release 2010.08-0] (Ubuntu/Linaro 4.4.4-8ubuntu2) ) #2 Mon Aug 16 10:45:47 UTC 2010 ()
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 135115
Kernel command line: ubda=./Ubuntu-MaverickMeerkat-i386-root_fs mem=512M con0=xterm con1=xterm con=null root=98:0
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
allocated 2723580 bytes of page_cgroup
please try 'cgroup_disable=memory' option if you don't want memory cgroups
Memory: 507252k available
SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:15
Calibrating delay loop... 3774.87 BogoMIPS (lpj=18874368)
pid_max: default: 32768 minimum: 301
Security Framework initialized
AppArmor: AppArmor initialized
Yama: becoming mindful.
Mount-cache hash table entries: 512
Initializing cgroup subsys ns
Initializing cgroup subsys cpuacct
Initializing cgroup subsys memory
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Checking for host processor cmov support...Yes
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
Using 2.6 host AIO
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
Switching to clocksource itimer
AppArmor: AppArmor Filesystem Enabled
NET: Registered protocol family 2
IP route cache hash table entries: 8192 (order: 3, 32768 bytes)
TCP established hash table entries: 32768 (order: 6, 262144 bytes)
TCP bind hash table entries: 32768 (order: 5, 131072 bytes)
TCP: Hash tables configured (established 32768 bind 32768)
TCP reno registered
UDP hash table entries: 512 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
NET: Registered protocol family 1
mconsole (version 2) initialized on /home/andrew/.uml/maverick/mconsole
Checking host MADV_REMOVE support...OK
Mapper v0.1
mmapper_init - find_iomem failed
UML Watchdog Timer
Host TLS support detected
Detected host type: i386 (GDT indexes 6 to 9)
audit: initializing netlink socket (disabled)
type=2000 audit(1302186437.301:1): initialized
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
squashfs: version 4.0 (2009/01/31) Phillip Lougher
JFS: nTxBlock = 3962, nTxLock = 31703
SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled
SGI XFS Quota Management subsystem
Btrfs loaded
msgmni has been set to 990
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler deadline registered (default)
SoftDog: cannot register miscdev on minor=130 (err=-16)
TCP cubic registered
NET: Registered protocol family 17
Initialized stdio console driver
Console initialized on /dev/tty0
console [tty0] enabled
Initializing software serial port version 1
console [mc-1] enabled
ubda: unknown partition table
registered taskstats version 1
EXT3-fs (ubda): error: couldn't mount because of unsupported optional features (240)
EXT2-fs (ubda): error: couldn't mount because of unsupported optional features (240)
EXT4-fs (ubda): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 98:0.
modprobe: FATAL: Could not load /lib/modules/2.6.35.1/modules.dep: No such file or directory
init: ureadahead main process (756) terminated with status 5
init: console-setup main process (777) terminated with status 1
udevd[787]: failed to create queue file: No such file or directory
udevd[787]: error creating queue file
init: udev main process (787) terminated with status 1
init: udev main process ended, respawning
init: udevmonitor main process (789) terminated with status 2
udevadm[1406]: error sending message: Connection refused
modprobe: FATAL: Could not load /lib/modules/2.6.35.1/modules.dep: No such file or directory
modprobe: FATAL: Could not load /lib/modules/2.6.35.1/modules.dep: No such file or directory
modprobe: FATAL: Could not load /lib/modules/2.6.35.1/modules.dep: No such file or directory
modprobe: FATAL: Could not load /lib/modules/2.6.35.1/modules.dep: No such file or directory
line_ioctl: tty7: unknown ioctl: 0x4b70
line_ioctl: tty7: unknown ioctl: 0x5602
line_ioctl: tty7: unknown ioctl: 0x5603
line_ioctl: tty7: unknown ioctl: 0x4b3a
line_ioctl: tty7: unknown ioctl: 0x5606
line_ioctl: tty1: unknown ioctl: 0x4b3a
mountall: Disconnected from Plymouth
init: plymouth main process (757) killed by SEGV signal
init: plymouth-splash main process (1407) terminated with status 2
我描述了一个最小的buildroot设置为：unix.stackexchange.com/questions/73203/...
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