[Miscellaneous Android Development] xxx-man-by:
Yes, there is a folder. Folder is not empty, it contains two files: last_install (it empty) and last_log.

Listing of last_log:

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Starting recovery on Sun Jan 27 08:49:03 2013

can't open /dev/tty0: No such file or directory

framebuffer: fd 3 (720 x 1280)

recovery filesystem table

=========================

0 /tmp ramdisk (null) (null) 0

1 /misc emmc /dev/block/mmcblk0 (null) 0

2 /sdcard vfat /dev/block/mmcblk0p1 (null) 0

3 /system ext4 /dev/block/mmcblk0p2 (null) 0

4 /cache ext4 /dev/block/mmcblk0p5 (null) 0

5 /data ext4 /dev/block/mmcblk0p3 (null) 0

6 /preload ext4 /dev/block/mmcblk0p7 (null) 0

7 /boot emmc /dev/block/mmcblk0p8 (null) 0

8 /recovery emmc /dev/block/mmcblk0p9 (null) 0

9 /bootloader emmc bootloader (null) 0

10 /radio ext4 /dev/block/mmcblk0p6 (null) 0

I:Boot command: boot-recovery

I:Boot status: ╧SК@

I:Got arguments from boot message

I:Got arguments from /cache/recovery/command

stat() of /dev/block/platform/dw_mmc/mmcblk0p3 succeeded on try 1

Command: "recovery" "--wipe_data"

ro.secure=1

ro.allow.mock.location=0

ro.debuggable=0

persist.sys.usb.config=mass_storage

ro.build.id=IMM76D

ro.build.display.id=IMM76D

ro.build.version.incremental=K860_1_S_2_03_0178_130116

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.4

ro.build.date=Wed Jan 16 11:22:07 CST 2013

ro.build.date.utc=1358306527

ro.build.type=user

ro.build.user=builder

ro.build.host=QA-Build-031

ro.build.tags=release-keys

ro.product.model=Lenovo K860

ro.product.brand=Lenovo

ro.product.name=stuttgart_row

ro.product.device=stuttgart_row

ro.product.board=stuttgart_row

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=LENOVO

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=exynos4

ro.build.product=stuttgart_row

ro.build.description=stuttgart_row-user 4.0.4 IMM76D K860_1_S_2_03_0178_130116 release-keys

ro.build.fingerprint=Lenovo/stuttgart_row/stuttgart_row:4.0.4/IMM76D/K860_1_S_2_03_0178_130116:user/release-keys

ro.build.characteristics=default

rild.libpath=/system/lib/libreference-ril.so

rild.libargs=-d /dev/ttyS0

ro.sf.lcd_density=320

qemu.sf.lcd_density=320

qemu.hw.mainkeys=0

persist.sys.strictmode.visual=false

vt.h324m.modem.enable=false

vt.codec.support.mask=55

apps.videocall.enable=true

ro.productdef.model=stuttgart_row

ro.productdef.operator=none

ro.productdef.simmode=onesim

ro.kernel.android.checkjni=0

ro.ss.enable=true

audio.smartlevoice.enable=false

persist.radio.smartvoice.enable=true

ro.camera.sound.forced=1

dalvik.vm.checkjni=false

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=96m

dalvik.vm.heapsize=256m

keyguard.no_require_sim=true

ro.com.android.dataroaming=false

ro.com.android.dateformat=MM-dd-yyyy

ro.config.ringtone=Ring_Synth_04.ogg

ro.config.notification_sound=pixiedust.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=4.0_r6

ro.com.google.clientidbase=android-lenovo

ro.opengles.version=131072

ro.tether.denied=false

hwui.render_dirty_regions=false

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

net.change=net.bt.name

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.factorytest=0

ro.serialno=

ro.bootmode=normal

ro.baseband=unknown

ro.carrier=unknown

ro.bootloader=unknown

ro.hardware=stuttgart

ro.revision=0

init.svc.recovery=running

Formatting /data...

Creating filesystem with parameters:

Size: 2621440000

Block size: 2048

Blocks per group: 16384

Inodes per group: 4056

Inode size: 256

Journal blocks: 20000

Label:

Blocks: 1280000

Block groups: 79

Reserved block group size: 512

Created filesystem with 11/320424 inodes and 64849/1280000 blocks

warning: wipe_block_device: Discard failed

Formatting /cache...

Creating filesystem with parameters:

Size: 104826880

Block size: 2048

Blocks per group: 16384

Inodes per group: 3200

Inode size: 256

Journal blocks: 1024

Label:

Blocks: 51185

Block groups: 4

Reserved block group size: 63

Created filesystem with 11/12800 inodes and 2830/51185 blocks

warning: wipe_block_device: Discard failed

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Erasing a folder Recovery has no effect.

:(