Re: [uml-user] hang after Starting crond: [ OK ]

SourceForge Headquarters 1320 Columbia Street Suite 310 San Diego, CA 92101 +1 (858) 422-6466

Could u build filesystem from scratch and tryout. For me , i built a
filesystem and is running perfectly fine .

-Ratheesh

On Thu, Dec 9, 2010 at 2:08 PM, hxqq <ho...@gm...> wrote:

> Hi everyone,
>     My OS is Fedora 11, I download Linux kernel 2.6.36.1 and use
>
>  *make defconfig ARCH=um
>  make menuconfig ARCH=um  *to add support for ext-4
>  *make ARCH=um*
>
>  So I get a UML kernel, and I use a filesystem from here:
> http://fs.devloop.org.uk/filesystems/Fedora14/Fedora14-x86-root_fs.bz2
>
>  and use
>
>  *./linux ubd0=Fedora14-x86-root_fs mem=512M*
>
>  to start the UML guest OS but It hang after Starting crond:[OK], I also
> use this kernel: http://uml.devloop.org.uk/kernels/kernel32-2.6.36.1.bz2
>  but the result is the same.
>  The message print is below:
>
> **********************************************************************************
>
>  Locating the bottom of the address space ... 0x0
> Locating the top of the address space ... 0xc0000000
> Core dump limits :
>     soft - 0
>     hard - NONE
> Checking that ptrace can change system call numbers...OK
> Checking syscall emulation patch for ptrace...OK
> Checking advanced syscall emulation patch for ptrace...OK
> Checking for tmpfs mount on /dev/shm...OK
> Checking PROT_EXEC mmap in /dev/shm/...OK
> Checking for the skas3 patch in the host:
>   - /proc/mm...not found: No such file or directory
>   - PTRACE_FAULTINFO...not found
>   - PTRACE_LDT...not found
> UML running in SKAS0 mode
> Adding 28512256 bytes to physical memory to account for exec-shield gap
> Linux version 2.6.36.1 (ro...@lo...) (gcc version 4.4.0
> 20090506 (Red Hat 4.4.0-4) (GCC) ) #1 Thu Dec 9 16:18:25 CST 2010
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 136954
> Kernel command line: ubd0=../Fedora14-x86-root_fs mem=512M 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)
> Memory: 512152k available
> Hierarchical RCU implementation.
>     Verbose stalled-CPUs detection is disabled.
> NR_IRQS:15
> Calibrating delay loop... 5806.48 BogoMIPS (lpj=29032448)
> pid_max: default: 32768 minimum: 301
> Mount-cache hash table entries: 512
> 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
> Switching to clocksource itimer
> 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 /root/.uml/baPFFj/mconsole
> Checking host MADV_REMOVE support...OK
> Host TLS support detected
> Detected host type: i386 (GDT indexes 6 to 9)
> VFS: Disk quotas dquot_6.5.2
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> msgmni has been set to 1000
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> 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
> 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 (244)
> EXT4-fs (ubda): INFO: recovery required on readonly filesystem
> EXT4-fs (ubda): write access will be enabled during recovery
> EXT4-fs (ubda): recovery complete
> EXT4-fs (ubda): mounted filesystem with ordered data mode. Opts: (null)
> VFS: Mounted root (ext4 filesystem) readonly on device 98:0.
>         Welcome to Fedora
> Starting udev: udevd[227]: failed to create queue file: No such file or
> directory
>
> udevd[227]: error creating queue file
>
> error sending message: Connection refused
> udevadm[230]: error sending message: Connection refused
>
> [FAILED]
> Setting hostname localhost:  [  OK  ]
> Checking filesystems
> Checking all file systems.
> [  OK  ]
> Remounting root filesystem in read-write mode:  EXT4-fs (ubda): re-mounted.
> Opts: (null)
> [  OK  ]
> Mounting local filesystems:  [  OK  ]
> Enabling /etc/fstab swaps:  [  OK  ]
> modprobe: FATAL: Could not load /lib/modules/2.6.36.1/modules.dep: No such
> file or directory
>
> modprobe: FATAL: Could not load /lib/modules/2.6.36.1/modules.dep: No such
> file or directory
>
> Entering non-interactive startup
> Starting auditd: modprobe: FATAL: Could not load /lib/modules/
> 2.6.36.1/modules.dep: No such file or directory
>
> [FAILED]
> Starting system logger: [  OK  ]
> Retrigger failed udev events[  OK  ]
> Starting sshd: [  OK  ]
> sshd (383): /proc/383/oom_adj is deprecated, please use
> /proc/383/oom_score_adj instead.
> Starting sendmail: [  OK  ]
> Starting sm-client: [  OK  ]
> Starting crond: [  OK  ]
> JBD2: Disabling barriers on ubda-8, not supported by device
> INFO: rcu_sched_state detected stall on CPU 0 (t=1397 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1192 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1319 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1062 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1159 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1368 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1868 jiffies)
> INFO: rcu_sched_state detected stall on CPU 0 (t=1100 jiffies)
>
>
> ****************************************************************************************
> Can someone help me about this?
>
> Many thanks!
>
> Kevin
>
>
> ------------------------------------------------------------------------------
> This SF Dev2Dev email is sponsored by:
>
> WikiLeaks The End of the Free Internet
> http://p.sf.net/sfu/therealnews-com
> _______________________________________________
> User-mode-linux-user mailing list
> Use...@li...
> https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
>
>