I am building a rootfs using OpenEmbedded Classic 2011.03
(maintenance release). It is using an older version of udev (165).
Have been mounting the rootfs on a AT91SAM9N12EK development board
using NFS without problems. The kernel is 2.6.39 with Atmel patches.
When I tried to program the real SAM9N12 based target from a JFFS2 file
system in NAND, the initial boot fails in the "/etc/rcS.d/S03udev"
script generated by OE. After that has been run, I cannot execute any
applications since I get the error message "Text file busy" when I try-
I.E:
# cat AAAA
/bin/sh: cat: Text file busy
# ls
/bin/sh: ls: Text file busy
The S03udev is the early part of the init, and only
mount -t proc proc /proc
mount sysfs /sys -t sysfs
has been executed before S03udev.
The problem seems to occur in the statment:
/sbin/udevadm trigger
Have added "init=/bin/sh" to the bootargs, and run the boot manually.
"/sbin/udevadm --debug trigger --verbose"
to get more info, but this is not helpful at all.
I get some occasional JFFS2 notices
# JFFS2 notice: (39) check_node_data: wrong data CRC in data node at
0x007f2e5c: read 0x5a469344, calculated 0x8f5964d0.
This seems to be close to the end or after the fs.
Any clues?
BR
Ulf Samuelsson
==========================================
S03udev
#!/bin/sh -e
### BEGIN INIT INFO
# Provides: udev
# Required-Start: mountvirtfs
# Required-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Start udevd, populate /dev and load drivers.
### END INIT INFO
export TZ=/etc/localtime
[ -d /sys/class ] || exit 1
[ -r /proc/mounts ] || exit 1
[ -x /sbin/udevd ] || exit 1
[ -f /etc/default/udev ] && . /etc/default/udev
[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf
kill_udevd() {
if [ -x /sbin/pidof ]; then
pid=`/sbin/pidof -x udevd`
[ -n "$pid" ] && kill $pid
fi
}
export ACTION=add
# propagate /dev from /sys
echo "Starting udev"
# mount the tmpfs on /dev, if not already done
LANG=C awk "\$2 == \"/dev\" && \$3 == \"tmpfs\" { exit 1 }" /proc/mounts
&& {
mount -n -o mode=0755 -t tmpfs none "/dev"
mkdir -m 0755 /dev/pts
mkdir -m 1777 /dev/shm
}
if [ "$DEVCACHE" != "" ]; then
# Invalidate udev cache if the kernel or its bootargs/cmdline have changed
[ -x /bin/uname ] && /bin/uname -mrspv > /tmp/uname || touch /tmp/uname
[ -r /proc/cmdline ] && cat /proc/cmdline > /tmp/cmdline || touch
/tmp/cmdline
[ -r /proc/devices ] && cat /proc/devices > /tmp/devices || touch
/tmp/devices
[ -r /proc/atags ] && cat /proc/atags > /tmp/atags || touch /tmp/atags
if [ -e $DEVCACHE ] && \
cmp -s /tmp/uname /etc/udev/saved.uname && \
cmp -s /tmp/cmdline /etc/udev/saved.cmdline && \
cmp -s /tmp/devices /etc/udev/saved.devices && \
cmp -s /tmp/atags /etc/udev/saved.atags; then
(cd /; tar xf $DEVCACHE > /dev/null 2>&1)
not_first_boot=1
fi
fi
if [ ! -e "/lib/modules/$(uname -r)"/modules.dep ] ; then
mkdir -p /lib/modules/$(uname -r)
depmod -ae
fi
# make_extra_nodes
kill_udevd > "/dev/null" 2>&1
# trigger the sorted events
echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
/sbin/udevd -d
/sbin/udevadm control --env STARTUP=1
if [ "$not_first_boot" != "" ];then
/sbin/udevadm trigger --subsystem-nomatch=tty --subsystem-nomatch=mem
--subsystem-nomatch=vc --subsystem-nomatch=vtconsole
--subsystem-nomatch=misc --subsystem-nomatch=dcon
--subsystem-nomatch=pci_bus --subsystem-nomatch=graphics
--subsystem-nomatch=backlight --subsystem-nomatch=video4linux
--subsystem-nomatch=platform
(/sbin/udevadm settle --timeout=8; /sbin/udevadm control --env STARTUP=)&
else
/sbin/udevadm trigger
/sbin/udevadm settle
fi
exit 0
=============================================
BOOTLOG
Uncompressing Linux... done, booting the kernel.
Initializing cgroup subsys cpuset
Linux version 2.6.39 (ulf@grond) (gcc version 4.5.3 20110311
(prerelease) (GCC) ) #1 Mon Jul 2 15:24:45 CEST 2012
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: SAM9N12EK2
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 399 MHz, master 133 MHz, main 16.000 MHz
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
Kernel command line: mem=64M console=ttyS0,115200 root=/dev/mtdblock7
mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,1408k(dummy),2M(linux),28M(root),32M(root2),-(spare)
rw rootfstype=jffs2 init=/binh
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
allocated 262144 bytes of page_cgroup
please try 'cgroup_disable=memory' option if you don't want memory cgroups
Memory: 64MB = 64MB total
Memory: 60564k/60564k available, 4972k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xff000000 - 0xffe00000 ( 14 MB)
vmalloc : 0xc4800000 - 0xfee00000 ( 934 MB)
lowmem : 0xc0000000 - 0xc4000000 ( 64 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.init : 0xc0008000 - 0xc0029000 ( 132 kB)
.text : 0xc0029000 - 0xc03b5000 (3632 kB)
.data : 0xc03b6000 - 0xc03daa80 ( 147 kB)
NR_IRQS:192
AT91: 128 gpio irqs in 4 banks
Console: colour dummy device 80x30
console [ttyS0] enabled
Calibrating delay loop... 199.06 BogoMIPS (lpj=995328)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
Initializing cgroup subsys debug
Initializing cgroup subsys ns
ns_cgroup deprecated: consider using the 'clone_children' flag without
the ns_cgroup.
Initializing cgroup subsys cpuacct
Initializing cgroup subsys memory
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Initializing cgroup subsys blkio
CPU: Testing write buffer coherency: ok
devtmpfs: initialized
NET: Registered protocol family 16
AT91: Power Management (with slow clock mode)
AT91: Starting after user reset
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
at_hdmac at_hdmac.0: Atmel AHB DMA Controller ( cpy slave ), 8 channels
Bluetooth: Core ver 2.16
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
Switching to clocksource tcb_clksrc
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
JFFS2 version 2.2. (NAND) (SUMMARY) �© 2001-2006 Red Hat, Inc.
fuse init (API version 7.16)
msgmni has been set to 118
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
io scheduler noop registered (default)
atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL
brd: module loaded
loop: module loaded
ssc ssc.0: Atmel SSC device at 0xc4870000 (irq 28)
atmel_nand atmel_nand: Using dma0chan0 for DMA transfers.
ONFI flash detected
ONFI param page 0 valid
NAND device: Manufacturer ID: 0xad, Chip ID: 0xa1 (Hynix H27S1G8F2BFR-BC)
Scanning device for bad blocks
Bad eraseblock 82 at 0x000000a40000
9 cmdlinepart partitions found on MTD device atmel_nand
Creating 9 MTD partitions on "atmel_nand":
0x000000000000-0x000000020000 : "bootstrap"
0x000000020000-0x000000060000 : "uboot"
0x000000060000-0x000000080000 : "env1"
0x000000080000-0x0000000a0000 : "env2"
0x0000000a0000-0x000000200000 : "dummy"
0x000000200000-0x000000400000 : "linux"
0x000000400000-0x000002000000 : "root"
0x000002000000-0x000004000000 : "root2"
0x000004000000-0x000008000000 : "spare"
atmel_spi atmel_spi.0: Using dma0chan1 (tx) and dma0chan2 (rx) for DMA
transfers
atmel_spi atmel_spi.0: Atmel SPI Controller at 0xf0000000 (irq 13)
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
at91_ohci at91_ohci: AT91 OHCI
at91_ohci at91_ohci: new USB bus registered, assigned bus number 1
at91_ohci at91_ohci: irq 22, io mem 0x00500000
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver libusual
mousedev: PS/2 mouse device common for all mice
input: gpio-keys as /devices/platform/gpio-keys/input/input0
at91_rtc at91_rtc: rtc core: registered at91_rtc as rtc0
AT91 Real Time Clock driver.
Bluetooth: Generic Bluetooth SDIO driver ver 0.1
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP cubic registered
NET: Registered protocol family 17
lib80211: common routines for IEEE802.11 drivers
Registering the dns_resolver key type
registered taskstats version 1
at91_rtc at91_rtc: setting system clock to 2012-07-02 18:11:26 UTC
(1341252686)
atmel_mci atmel_mci.0: Using dma0chan3 for DMA transfers
atmel_mci atmel_mci.0: Atmel MCI controller at 0xf0008000 irq 12, 1 slots
Empty flash at 0x007e3820 ends at 0x007e4000
Empty flash at 0x007e7818 ends at 0x007e8000
VFS: Mounted root (jffs2 filesystem) on device 31:7.
devtmpfs: mounted
Freeing init memory: 132K
/bin/sh: can't access tty; job control turned off
=============================================
OUTPUT from /sbin/udevadm --debug trigger --verbose
run_command: calling: trigger
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_usart.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at91_ohci'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_spi.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_mci.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_nand'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/gpio-keys'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/leds-gpio'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/ssc.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at91_rtc'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_tcb.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_tcb.1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_spi.0/spi0.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at91_ohci/usb1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at91_ohci/usb1/1-0:1.0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/default'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/1:0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/1:1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/7:7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/mtd-unmap'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/mtd-romap'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/mtd-rwmap'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/bdi/31:8'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/gpio/gpiochip32'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/gpio/gpiochip64'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/gpio/gpiochip96'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/gpio/gpiochip128'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/console'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty8'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty9'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty10'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty11'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty12'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty13'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty14'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty15'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty16'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty17'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty18'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty19'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty20'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty21'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty22'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty23'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty24'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty25'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty26'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty27'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty28'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty29'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty30'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty31'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty32'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty33'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty34'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty35'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty36'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty37'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty38'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty39'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty40'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty41'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty42'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty43'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty44'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty45'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty46'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty47'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty48'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty49'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty50'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty51'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty52'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty53'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty54'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty55'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty56'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty57'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty58'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty59'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty60'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty61'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty62'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/tty63'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptyp7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ttyp7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/tty/ptmx'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_usart.0/tty/ttyS0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/vtconsole/vtcon0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_spi.0/spi_master/spi0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at_hdmac.0/dma/dma0chan7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/ram0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/ram1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/block/loop7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd0/mtdblock0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd1/mtdblock1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd2/mtdblock2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd3/mtdblock3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd4/mtdblock4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd5/mtdblock5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd6/mtdblock6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd7/mtdblock7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd8/mtdblock8'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/autofs'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/fuse'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/cuse'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/ubi_ctrl'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/psaux'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/cpu_dma_latency'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/network_latency'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/misc/network_throughput'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/input/mice'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/gpio-keys/input/input0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/gpio-keys/input/input0/event0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/at91_rtc/rtc/rtc0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/atmel_mci.0/mmc_host/mmc0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/platform/leds-gpio/leds/d8'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/net/lo'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/mem'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/kmem'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/null'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/zero'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/full'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/random'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/urandom'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mem/kmsg'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/vc/vcs'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/vc/vcsa'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/vc/vcs1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/vc/vcsa1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd0'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd0ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd1'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd1ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd2'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd2ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd3'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd3ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd4'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd4ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd5'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd5ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd6'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd6ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd7'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd7ro'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd8'
udev_device_new_from_syspath: device 0x2b0c8 has devpath
'/devices/virtual/mtd/mtd8ro'
/sys/devices/platform/at91_ohci
/sys/devices/platform/at91_ohci/usb1
/sys/devices/platform/at91_ohci/usb1/1-0:1.0
/sys/devices/platform/at91_rtc
/sys/devices/platform/at91_rtc/rtc/rtc0
/sys/devices/platform/at_hdmac.0
/sys/devices/platform/at_hdmac.0/dma/dma0chan0
/sys/devices/platform/at_hdmac.0/dma/dma0chan1
/sys/devices/platform/at_hdmac.0/dma/dma0chan2
/sys/devices/platform/at_hdmac.0/dma/dma0chan3
/sys/devices/platform/at_hdmac.0/dma/dma0chan4
/sys/devices/platform/at_hdmac.0/dma/dma0chan5
/sys/devices/platform/at_hdmac.0/dma/dma0chan6
/sys/devices/platform/at_hdmac.0/dma/dma0chan7
/sys/devices/platform/atmel_mci.0
/sys/devices/platform/atmel_mci.0/mmc_host/mmc0
/sys/devices/platform/atmel_nand
/sys/devices/platform/atmel_spi.0
/sys/devices/platform/atmel_spi.0/spi0.0
/sys/devices/platform/atmel_spi.0/spi_master/spi0
/sys/devices/platform/atmel_tcb.0
/sys/devices/platform/atmel_tcb.1
/sys/devices/platform/atmel_usart.0
/sys/devices/platform/atmel_usart.0/tty/ttyS0
/sys/devices/platform/gpio-keys
/sys/devices/platform/gpio-keys/input/input0
/sys/devices/platform/gpio-keys/input/input0/event0
/sys/devices/platform/leds-gpio
/sys/devices/platform/leds-gpio/leds/d8
/sys/devices/platform/ssc.0
/sys/devices/virtual/bdi/1:0
/sys/devices/virtual/bdi/1:1
/sys/devices/virtual/bdi/31:0
/sys/devices/virtual/bdi/31:1
/sys/devices/virtual/bdi/31:2
/sys/devices/virtual/bdi/31:3
/sys/devices/virtual/bdi/31:4
/sys/devices/virtual/bdi/31:5
/sys/devices/virtual/bdi/31:6
/sys/devices/virtual/bdi/31:7
/sys/devices/virtual/bdi/31:8
/sys/devices/virtual/bdi/7:0
/sys/devices/virtual/bdi/7:1
/sys/devices/virtual/bdi/7:2
/sys/devices/virtual/bdi/7:3
/sys/devices/virtual/bdi/7:4
/sys/devices/virtual/bdi/7:5
/sys/devices/virtual/bdi/7:6
/sys/devices/virtual/bdi/7:7
/sys/devices/virtual/bdi/default
/sys/devices/virtual/bdi/mtd-romap
/sys/devices/virtual/bdi/mtd-rwmap
/sys/devices/virtual/bdi/mtd-unmap
/sys/devices/virtual/block/loop0
/sys/devices/virtual/block/loop1
/sys/devices/virtual/block/loop2
/sys/devices/virtual/block/loop3
/sys/devices/virtual/block/loop4
/sys/devices/virtual/block/loop5
/sys/devices/virtual/block/loop6
/sys/devices/virtual/block/loop7
/sys/devices/virtual/block/ram0
/sys/devices/virtual/block/ram1
/sys/devices/virtual/gpio/gpiochip128
/sys/devices/virtual/gpio/gpiochip32
/sys/devices/virtual/gpio/gpiochip64
/sys/devices/virtual/gpio/gpiochip96
/sys/devices/virtual/input/mice
/sys/devices/virtual/mem/full
/sys/devices/virtual/mem/kmem
/sys/devices/virtual/mem/kmsg
/sys/devices/virtual/mem/mem
/sys/devices/virtual/mem/null
/sys/devices/virtual/mem/random
/sys/devices/virtual/mem/urandom
/sys/devices/virtual/mem/zero
/sys/devices/virtual/misc/autofs
/sys/devices/virtual/misc/cpu_dma_latency
/sys/devices/virtual/misc/cuse
/sys/devices/virtual/misc/fuse
/sys/devices/virtual/misc/network_latency
/sys/devices/virtual/misc/network_throughput
/sys/devices/virtual/misc/psaux
/sys/devices/virtual/misc/ubi_ctrl
/sys/devices/virtual/mtd/mtd0
/sys/devices/virtual/mtd/mtd0/mtdblock0
/sys/devices/virtual/mtd/mtd0ro
/sys/devices/virtual/mtd/mtd1
/sys/devices/virtual/mtd/mtd1/mtdblock1
/sys/devices/virtual/mtd/mtd1ro
/sys/devices/virtual/mtd/mtd2
/sys/devices/virtual/mtd/mtd2/mtdblock2
/sys/devices/virtual/mtd/mtd2ro
/sys/devices/virtual/mtd/mtd3
/sys/devices/virtual/mtd/mtd3/mtdblock3
/sys/devices/virtual/mtd/mtd3ro
/sys/devices/virtual/mtd/mtd4
/sys/devices/virtual/mtd/mtd4/mtdblock4
/sys/devices/virtual/mtd/mtd4ro
/sys/devices/virtual/mtd/mtd5
/sys/devices/virtual/mtd/mtd5/mtdblock5
/sys/devices/virtual/mtd/mtd5ro
/sys/devices/virtual/mtd/mtd6
/sys/devices/virtual/mtd/mtd6/mtdblock6
/sys/devices/virtual/mtd/mtd6ro
/sys/devices/virtual/mtd/mtd7
/sys/devices/virtual/mtd/mtd7/mtdblock7
/sys/devices/virtual/mtd/mtd7ro
/sys/devices/virtual/mtd/mtd8
/sys/devices/virtual/mtd/mtd8/mtdblock8
/sys/devices/virtual/mtd/mtd8ro
/sys/devices/virtual/net/lo
/sys/devices/virtual/tty/console
/sys/devices/virtual/tty/ptmx
/sys/devices/virtual/tty/ptyp0
/sys/devices/virtual/tty/ptyp1
/sys/devices/virtual/tty/ptyp2
/sys/devices/virtual/tty/ptyp3
/sys/devices/virtual/tty/ptyp4
/sys/devices/virtual/tty/ptyp5
/sys/devices/virtual/tty/ptyp6
/sys/devices/virtual/tty/ptyp7
/sys/devices/virtual/tty/tty
/sys/devices/virtual/tty/tty0
/sys/devices/virtual/tty/tty1
/sys/devices/virtual/tty/tty10
/sys/devices/virtual/tty/tty11
/sys/devices/virtual/tty/tty12
/sys/devices/virtual/tty/tty13
/sys/devices/virtual/tty/tty14
/sys/devices/virtual/tty/tty15
/sys/devices/virtual/tty/tty16
/sys/devices/virtual/tty/tty17
/sys/devices/virtual/tty/tty18
/sys/devices/virtual/tty/tty19
/sys/devices/virtual/tty/tty2
/sys/devices/virtual/tty/tty20
/sys/devices/virtual/tty/tty21
/sys/devices/virtual/tty/tty22
/sys/devices/virtual/tty/tty23
/sys/devices/virtual/tty/tty24
/sys/devices/virtual/tty/tty25
/sys/devices/virtual/tty/tty26
/sys/devices/virtual/tty/tty27
/sys/devices/virtual/tty/tty28
/sys/devices/virtual/tty/tty29
/sys/devices/virtual/tty/tty3
/sys/devices/virtual/tty/tty30
/sys/devices/virtual/tty/tty31
/sys/devices/virtual/tty/tty32
/sys/devices/virtual/tty/tty33
/sys/devices/virtual/tty/tty34
/sys/devices/virtual/tty/tty35
/sys/devices/virtual/tty/tty36
/sys/devices/virtual/tty/tty37
/sys/devices/virtual/tty/tty38
/sys/devices/virtual/tty/tty39
/sys/devices/virtual/tty/tty4
/sys/devices/virtual/tty/tty40
/sys/devices/virtual/tty/tty41
/sys/devices/virtual/tty/tty42
/sys/devices/virtual/tty/tty43
/sys/devices/virtual/tty/tty44
/sys/devices/virtual/tty/tty45
/sys/devices/virtual/tty/tty46
/sys/devices/virtual/tty/tty47
/sys/devices/virtual/tty/tty48
/sys/devices/virtual/tty/tty49
/sys/devices/virtual/tty/tty5
/sys/devices/virtual/tty/tty50
/sys/devices/virtual/tty/tty51
/sys/devices/virtual/tty/tty52
/sys/devices/virtual/tty/tty53
/sys/devices/virtual/tty/tty54
/sys/devices/virtual/tty/tty55
/sys/devices/virtual/tty/tty56
/sys/devices/virtual/tty/tty57
/sys/devices/virtual/tty/tty58
/sys/devices/virtual/tty/tty59
/sys/devices/virtual/tty/tty6
/sys/devices/virtual/tty/tty60
/sys/devices/virtual/tty/tty61
/sys/devices/virtual/tty/tty62
/sys/devices/virtual/tty/tty63
/sys/devices/virtual/tty/tty7
/sys/devices/virtual/tty/tty8
/sys/devices/virtual/tty/tty9
/sys/devices/virtual/tty/ttyp0
/sys/devices/virtual/tty/ttyp1
/sys/devices/virtual/tty/ttyp2
/sys/devices/virtual/tty/ttyp3
/sys/devices/virtual/tty/ttyp4
/sys/devices/virtual/tty/ttyp5
/sys/devices/virtual/tty/ttyp6
/sys/devices/virtual/tty/ttyp7
/sys/devices/virtual/vc/vcs
/sys/devices/virtual/vc/vcs1
/sys/devices/virtual/vc/vcsa
/sys/devices/virtual/vc/vcsa1
/sys/devices/virtual/vtconsole/vtcon0
/ #
/ #
/ #
/ # cat AAAA
/bin/sh: cat: Text file busy
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