Error in loading /system/usr/keychars/qwerty.kcm.bin

While typing on the keyboard, the home screen disappears shortly and logcat shows the following error messages:

This bug is resulted from failing to read /system/usr/keychars/qwerty.kcm.bin for wrong access permission. It can be fixed by adding the read access permission to this file by

chmod 644 /system/usr/keychars/qwerty.kcm.bin

E/KeyCharacterMap( 633): Can't find any keycharmaps (also tried /system/usr/keychars/qwerty.kcm.bin)

I/DEBUG ( 510): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

I/DEBUG ( 510): Build fingerprint: 'generic/generic/generic/:1.5/CUPCAKE/eng.jack_zhuang.20091119.140022:eng/test-keys'

I/DEBUG ( 510): pid: 633, tid: 633 >>> android.process.acore <<<

I/DEBUG ( 510): signal 11 (SIGSEGV), fault addr 00000000

I/DEBUG ( 510): r0 0000a9d0 r1 4001b588 r2 00000000 r3 41049c54

I/DEBUG ( 510): r4 be812550 r5 00000004 r6 ad32ea71 r7 41049c30

I/DEBUG ( 510): r8 be812530 r9 41049c28 10 41049c18 fp 00000000

I/DEBUG ( 510): ip ad32ea71 sp be812530 lr ad00e3b8 pc ad32ea70 cpsr a0000030

I/DEBUG ( 510): #00 pc 0002ea70 /system/lib/libandroid_runtime.so

I/DEBUG ( 510): #01 lr ad00e3b8 /system/lib/libdvm.so

I/DEBUG ( 510): stack:

I/DEBUG ( 510): be8124f0 00000001

I/DEBUG ( 510): be8124f4 41f84710 /data/dalvik-cache/system@framework@framework.jar@classes.dex

I/DEBUG ( 510): be8124f8 00000001

I/DEBUG ( 510): be8124fc ad048977 /system/lib/libdvm.so

I/DEBUG ( 510): be812500 00000328

I/DEBUG ( 510): be812504 4108a368 /dev/ashmem/dalvik-LinearAlloc (deleted)

I/DEBUG ( 510): be812508 be812560 [stack]

I/DEBUG ( 510): be81250c 0000000a

I/DEBUG ( 510): be812510 0000000f

I/DEBUG ( 510): be812514 ad063ba3 /system/lib/libdvm.so

I/DEBUG ( 510): be812518 00000004

I/DEBUG ( 510): be81251c ad05a705 /system/lib/libdvm.so

I/DEBUG ( 510): be812520 00000018

I/DEBUG ( 510): be812524 4108a368 /dev/ashmem/dalvik-LinearAlloc (deleted)

I/DEBUG ( 510): be812528 df002777

I/DEBUG ( 510): be81252c e3a070ad

I/DEBUG ( 510): #00 be812530 4108a368 /dev/ashmem/dalvik-LinearAlloc (deleted)

I/DEBUG ( 510): be812534 0000bc60 [heap]

I/DEBUG ( 510): be812538 ad32ea71 /system/lib/libandroid_runtime.so

I/DEBUG ( 510): be81253c 4001b588 /dev/ashmem/mspace/dalvik-heap/zygote/0 (deleted)

I/DEBUG ( 510): be812540 00001071

I/DEBUG ( 510): be812544 0000bc60 [heap]

I/DEBUG ( 510): be812548 be812550 [stack]

I/DEBUG ( 510): be81254c ad040a8d /system/lib/libdvm.so

I/DEBUG ( 510): be812550 41049c28

I/DEBUG ( 510): be812554 41fb2789 /data/dalvik-cache/system@framework@framework.jar@classes.dex

I/DEBUG ( 510): be812558 ad32ea71 /system/lib/libandroid_runtime.so

I/DEBUG ( 510): be81255c be8125c8 [stack]

I/DEBUG ( 510): be812560 be8125c8 [stack]

I/DEBUG ( 510): be812564 00000001

I/DEBUG ( 510): be812568 ad00e540 /system/lib/libdvm.so

I/DEBUG ( 510): be81256c 41ea7bdc /data/dalvik-cache/system@framework@framework.jar@classes.dex

I/DEBUG ( 510): be812570 41049c3c

I/DEBUG ( 510): be812574 be8125c0 [stack]

D/Zygote ( 512): Process 633 terminated by signal (11)