The following is reproduce able at my system -a ny hints ? :
$ /home/tfoerste/workspace/bin/start_uml.sh -r
/home/tfoerste/virtual/uml/n22stab4
Cannot get wake-on-lan settings: Operation not permitted
Locating the bottom of the address space ... 0x1000
Locating the top of the address space ... 0xc0000000
Core dump limits :
soft - NONE
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 3014656 bytes to physical memory to account for exec-shield gap
bootconsole [earlycon0] enabled
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: 768448k available
SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:15
Calibrating delay loop... 6447.10 BogoMIPS (lpj=32235520)
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
devtmpfs: initialized
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
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
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
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
mconsole (version 2) initialized on /home/tfoerste/.uml/uml/mconsole
Checking host MADV_REMOVE support...OK
UML Audio Relay (host dsp = /dev/sound/dsp, host mixer = /dev/sound/mixer)
Host TLS support detected
Detected host type: i386 (GDT indexes 6 to 9)
audit: initializing netlink socket (disabled)
type=2000 audit(1362435381.156:1): initialized
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
nfs4filelayout_init: NFSv4 File Layout Driver Registering...
Installing knfsd (copyright (C) 1996 o...@monad.swb.de).
msgmni has been set to 1500
alg: No test for stdrng (krng)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered (default)
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <m...@qualcomm.com>
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.23.1-ioctl (2012-12-18) initialised: dm-de...@redhat.com
TCP: cubic registered
NET: Registered protocol family 17
Key type dns_resolver registered
Initialized stdio console driver
Console initialized on /dev/tty0
console [tty0] enabled, bootconsole disabled
console [tty0] enabled, bootconsole disabled
Initializing software serial port
version 1
console [mc-1] enabled
ubda: unknown partition table
ubdb: unknown partition table
Netdevice 0 (72:ef:3d:fd:4a:0b) :
TUN/TAP backend -
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): orphan cleanup on readonly fs
EXT4-fs (ubda): 5 orphan inodes deleted
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.
devtmpfs: mounted
INIT: version 2.88 booting
OpenRC 0.11.8 is starting up Gentoo Linux (i686) [UML]
* Mounting /proc ...
[ ok ]
* Mounting /run ...
* /run/openrc: creating directory
* /run/lock: creating directory
* /run/lock: correcting owner
EIP: 0073:[<00000000>] CPU: 0 Not tainted ESP: 007b:0840b800 EFLAGS: 00010246
Not tainted
EAX: 00000000 EBX: 08416788 ECX: 08416788 EDX: 0840d3c0
ESI: 0840bb0c EDI: 0840bba0 EBP: 0840b80c DS: 007b ES: 007b
0840af4c: [<0807957f>] show_regs+0x10f/0x120
0840af68: [<08062163>] segv+0x293/0x2b0
0840b018: [<080621f3>] segv_handler+0x73/0x80
0840b040: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840b2c4: [<08071bfd>] sig_handler+0x3d/0x50
0840b2d4: [<0807174b>] hard_handler+0x6b/0xa0
0840b2fc: [<b77b140c>] 0xb77b140c
0840b810: [<080c8408>] generic_handle_irq+0x28/0x30
0840b820: [<0805ee55>] do_IRQ+0x25/0x40
0840b830: [<080623c9>] winch+0x19/0x20
0840b840: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840bac4: [<08071bfd>] sig_handler+0x3d/0x50
0840bad4: [<0807174b>] hard_handler+0x6b/0xa0
0840bafc: [<b77b140c>] 0xb77b140c
Kernel panic - not syncing: Kernel mode fault at addr 0x0, ip 0x0
0840af28: [<0833ea18>] dump_stack+0x22/0x24
0840af40: [<0833ea94>] panic+0x7a/0x18b
0840af68: [<0806217a>] segv+0x2aa/0x2b0
0840b018: [<080621f3>] segv_handler+0x73/0x80
0840b040: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840b2c4: [<08071bfd>] sig_handler+0x3d/0x50
0840b2d4: [<0807174b>] hard_handler+0x6b/0xa0
0840b2fc: [<b77b140c>] 0xb77b140c
0840b810: [<080c8408>] generic_handle_irq+0x28/0x30
0840b820: [<0805ee55>] do_IRQ+0x25/0x40
0840b830: [<080623c9>] winch+0x19/0x20
0840b840: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840bac4: [<08071bfd>] sig_handler+0x3d/0x50
0840bad4: [<0807174b>] hard_handler+0x6b/0xa0
0840bafc: [<b77b140c>] 0xb77b140c
EIP: 0073:[<40001282>] CPU: 0 Not tainted ESP: 007b:bfd428fc EFLAGS: 00010206
Not tainted
EAX: 00000000 EBX: 01200011 ECX: 00000000 EDX: 00000000
ESI: 00000000 EDI: 40261be8 EBP: bfd42978 DS: 007b ES: 007b
0840aedc: [<0807957f>] show_regs+0x10f/0x120
0840aef8: [<0806255c>] panic_exit+0x2c/0x50
0840af08: [<0809e1f8>] notifier_call_chain+0x38/0x60
0840af30: [<0809e343>] atomic_notifier_call_chain+0x23/0x30
0840af40: [<0833eabc>] panic+0xa2/0x18b
0840af68: [<0806217a>] segv+0x2aa/0x2b0
0840b018: [<080621f3>] segv_handler+0x73/0x80
0840b040: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840b2c4: [<08071bfd>] sig_handler+0x3d/0x50
0840b2d4: [<0807174b>] hard_handler+0x6b/0xa0
0840b2fc: [<b77b140c>] 0xb77b140c
0840b810: [<080c8408>] generic_handle_irq+0x28/0x30
0840b820: [<0805ee55>] do_IRQ+0x25/0x40
0840b830: [<080623c9>] winch+0x19/0x20
0840b840: [<08071ab8>] sig_handler_common+0xb8/0xe0
0840bac4: [<08071bfd>] sig_handler+0x3d/0x50
0840bad4: [<0807174b>] hard_handler+0x6b/0xa0
0840bafc: [<b77b140c>] 0xb77b140c
Terminated
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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