[Sony Ericsson XPERIA X10 Mini] sonty:
I have a small detail. air control crashes on my x8 with jit also. probably I've got the same jit enabled libs as you guys. I got a crash also with one of the igo apps I tried today.

here are the dumps:

Build fingerprint: 'SEMC/E15i_1241-3833/E15i/delta:2.1-update1/2.0.1.A.0.47/LwBC:user/release-keys'
pid: 2016, tid: 2042 >>> dk.logisoft.aircontrol <<<
signal 11 (SIGSEGV), fault addr 0000000a
r0 00000000 r1 437cb840 r2 437cb848 r3 00000000
r4 43905fda r5 42b3fd8c r6 497afbd0 r7 42b3fd78
r8 00000000 r9 00000000 10 002d3a88 fp 43926050
ip 80dbb420 sp 497afb88 lr 437cb81d pc 437ac11c cpsr 60000010
#00 pc 437ac11c /dalvik-jit-code-cache (deleted)
#01 lr 437cb81d /dalvik-jit-code-cache (deleted)

code around lr:
437cb80c c7013f11 34204c15 a20ca10a ecbaf7e0
437cb81c e00be014 29006df8 6ef7dc01 a10547b8

stack:
497afb48 80d982f0 /system/lib/libdvm.so
497afb4c 80d98398 /system/lib/libdvm.so
497afb50 80d16b80 /system/lib/libdvm.so
497afb54 80d54ad7 /system/lib/libdvm.so
497afb58 00000001
497afb5c 46ce7208 /mspace/dalvik-heap/2 (deleted)
497afb60 80dbb3f4 /system/lib/libdvm.so
497afb64 0000f800 [heap]
497afb68 00000000
497afb6c 002d3a88 [heap]
497afb70 00770a74 [heap]
497afb74 43905fae /data/dalvik-cache/data@app@dk.logisoft.aircontrol.apk@classes.dex
497afb78 80d1d04c /system/lib/libdvm.so
497afb7c 437cb7b1 /dalvik-jit-code-cache (deleted)
497afb80 df002777
497afb84 e3a070ad
#00 497afb88 42b3fe60
497afb8c 497afbd0
497afb90 002e4800 [heap]
497afb94 002d3a90 [heap]
497afb98 0011a7a0 [heap]
497afb9c 000003c0
497afba0 497afec0
497afba4 80dbfe90 /system/lib/libdvm.so
497afba8 43926050 /data/dalvik-cache/data@app@dk.logisoft.aircontrol.apk@classes.dex
497afbac 80d21f6c /system/lib/libdvm.so
497afbb0 497afbd0
497afbb4 002d3a88 [heap]
497afbb8 80d21ef4 /system/lib/libdvm.so
497afbbc 423289d0 /dalvik-LinearAlloc (deleted)
497afbc0 000003c0
497afbc4 80d20d88 /system/lib/libdvm.so
497afbc8 00000000
497afbcc 00000000
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
pid: 2016, tid: 2016
r0 fffffdfc r1 00000000 r2 ffffff6b r3 be9294f0
r4 0000ce14 r5 0000ce24 r6 be9294f0 r7 000000f0
r8 00000000 r9 00000000 10 00000001 fp 00000064
ip 80dbb510 sp be9294d0 lr afe0f6a0 pc afe0da14 cpsr 60000010
#00 pc 0000da14 /system/lib/libc.so
#01 pc 0000f69c /system/lib/libc.so
#02 pc 0000f724 /system/lib/libc.so
#03 pc 00054a28 /system/lib/libdvm.so
#04 pc 00070658 /system/lib/libdvm.so
#05 pc 0001b928 /system/lib/libdvm.so
#06 pc 00021f68 /system/lib/libdvm.so
#07 pc 00020d84 /system/lib/libdvm.so
#08 pc 00067060 /system/lib/libdvm.so
#09 pc 0007181c /system/lib/libdvm.so
#10 pc 0001b928 /system/lib/libdvm.so
#11 pc 00021f68 /system/lib/libdvm.so
#12 pc 00020d84 /system/lib/libdvm.so
#13 pc 00066cc6 /system/lib/libdvm.so
#14 pc 0004b700 /system/lib/libdvm.so
#15 pc 0002990c /system/lib/libandroid_runtime.so
#16 pc 0002a5f0 /system/lib/libandroid_runtime.so
#17 pc 00008cae /system/bin/app_process
#18 pc 0000c2d6 /system/lib/libc.so
#19 pc b00018ac /system/bin/linker

code around pc:
afe0da04 e1a02001 e3a01000 e3a070f0 ef000000
afe0da14 e8bd0090 e12fff1e e92d0090 e1a02001

code around lr:
afe0f690 e1a01007 e1a02006 e1a00005 ebfff8d6
afe0f6a0 e1a05000 e1a00004 ebffff38 e375006e
afe0f6b0 03a0006e 13a00000 e8bd81f0 eaffffec

stack:
be929490 00000301
be929494 3e9151c7
be929498 0000f424 [heap]
be92949c 000003e8
be9294a0 00000000
be9294a4 00000064
be9294a8 00000000
be9294ac 00000429
be9294b0 00000000
be9294b4 00000000
be9294b8 00000000
be9294bc afe0f2d0 /system/lib/libc.so
be9294c0 0000ce14 [heap]
be9294c4 0000ce24 [heap]
be9294c8 be9294f0 [stack]
be9294cc ffffff6b
#00 be9294d0 0000ce14 [heap]
be9294d4 ffffff6b
#01 be9294d8 be929518 [stack]
be929

Build fingerprint: 'SEMC/E15i_1241-3833/E15i/delta:2.1-update1/2.0.1.A.0.47/LwBC:user/release-keys'
pid: 2657, tid: 2672 >>> com.navngo.igo.javaclient <<<
signal 11 (SIGSEGV), fault addr deadbaad
r0 00000000 r1 afe1332d r2 00000027 r3 00000000
r4 00000000 r5 deadbaad r6 00002ee0 r7 40000000
r8 00000000 r9 820fbbf4 10 4a216fa0 fp 828bf3a0
ip ffffffff sp 4a216f30 lr afe142ed pc afe10c58 cpsr 40000030
#00 pc 00010c58 /system/lib/libc.so
#01 pc 0000b38e /system/lib/libc.so

code around pc:
afe10c48 4e17d003 51a02001 4d164798 24002227
afe10c58 f7fb702a 2106ee6a ef1ef7fc 05592380

code around lr:
afe142dc 220ce008 2b005eab 1c28d003 47889901
afe142ec 35544306 d5f43f01 2c006824 b003d1ee
afe142fc bdf01c30 00024b34 000000b4 1c0fb5f0

stack:
4a216ef0 00000000
4a216ef4 00000000
4a216ef8 afe3902c /system/lib/libc.so
4a216efc afe38fd8 /system/lib/libc.so
4a216f00 00000000
4a216f04 afe142ed /system/lib/libc.so
4a216f08 828cd34c
4a216f0c afe1332d /system/lib/libc.so
4a216f10 afe3bbb8
4a216f14 afe38e08 /system/lib/libc.so
4a216f18 00000000
4a216f1c 00002ee0
4a216f20 40000000 /system_properties (deleted)
4a216f24 afe135cb /system/lib/libc.so
4a216f28 df002777
4a216f2c e3a070ad
#00 4a216f30 afe3bbb8
4a216f34 afe0ed38 /system/lib/libc.so
4a216f38 afe3bb7c
4a216f3c afe0f3c0 /system/lib/libc.so
4a216f40 afe38e08 /system/lib/libc.so
4a216f44 fffffbdf
4a216f48 afe38e08 /system/lib/libc.so
4a216f4c afe3b9c4
4a216f50 0000a000 [heap]
4a216f54 afe0b393 /system/lib/libc.so
#01 4a216f58 afe38e08 /system/lib/libc.so
4a216f5c afe0b393 /system/lib/libc.so
4a216f60 4a216ff4
4a216f64 4a216f8c
4a216f68 828bf3a0 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f6c 828bf3a0 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f70 0035c5b8 [heap]
4a216f74 823a9be4 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f78 00002bbc
4a216f7c 00000000
4a216f80 4a216fa0
4a216f84 828bf3a0 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f88 0035c5b8 [heap]
4a216f8c 823a9be4 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f90 4a216fa4
4a216f94 82107cc8 /data/data/com.navngo.igo.javaclient/libigo_jni.so
4a216f98 828cd34c
4a216f9c afe0f470 /system/lib/libc.so
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
pid: 2657, tid: 2657
r0 fffffe00 r1 00000000 r2 ffffffe3 r3 00000000
r4 0000ce14 r5 0000ce24 r6 00000000 r7 000000f0
r8 00000000 r9 00000000 10 00000000 fp 00000000
ip 80dbb708 sp be9294d0 lr afe0f6a0 pc afe0da14 cpsr 60000010
#00 pc 0000da14 /system/lib/libc.so
#01 pc 0000f69c /system/lib/libc.so
#02 pc 0000f724 /system/lib/libc.so
#03 pc 00054a58 /system/lib/libdvm.so
#04 pc 00070658 /system/lib/libdvm.so
#05 pc 0001b928 /system/lib/libdvm.so
#06 pc 00021f68 /system/lib/libdvm.so
#07 pc 00020d84 /system/lib/libdvm.so
#08 pc 00067060 /system/lib/libdvm.so
#09 pc 0007181c /system/lib/libdvm.so
#10 pc 0001b928 /system/lib/libdvm.so
#11 pc 00021f68 /system/lib/libdvm.so
#12 pc 00020d84 /system/lib/libdvm.so
#13 pc 00066cc6 /system/lib/libdvm.so
#14 pc 0004b700 /system/lib/libdvm.so
#15 pc 0002990c /system/lib/libandroid_runtime.so
#16 pc 0002a5f0 /system/lib/libandroid_runtime.so
#17 pc 00008cae /system/bin/app_process
#18 pc 0000c2d6 /system/lib/libc.so
#19 pc b00018ac /system/bin/linker

code around pc:
afe0da04 e1a02001 e3a01000 e3a070f0 ef000000
afe0da14 e8bd0090 e12fff1e e92d0090 e1a02001

code around lr:
afe0f690 e1a01007 e1a02006 e1a00005 ebfff8d6
afe0f6a0 e1a05000 e1a00004 ebffff38 e375006e
afe0f6b0 03a0006e 13a00000 e8bd81f0 eaffffec

stack:
be929490 00359cf8

probably some compilation flag that exposed problems in the respective apps.