I run a set of AsyncTasks that are using the DefaultHttpClient to access a server. From time to time, I'm seeing the following error, which appears to be due to some sort of lock contention. This only happens when I'm driving the system hard (>15 AsyncTasks at once). Is it possible that the client is timing out waiting for a lock? Do I need to parcel out the work in batches or is there a system setting I can adjust to have it done for me?
01-20 17:11:26.321: INFO/dalvikvm(12090): "Binder Thread #1" prio=5 tid=6 NATIVE 01-20 17:11:26.321: INFO/dalvikvm(12090): | group="main" sCount=1 dsCount=0 s=Y obj=0x4476a440 self=0x11e5a0 01-20 17:11:26.321: INFO/dalvikvm(12090): | sysTid=12095 nice=0 sched=0/0 cgrp=default handle=1178872 01-20 17:11:26.321: INFO/dalvikvm(12090): | schedstat=( 304260238 317352301 809 ) 01-20 17:11:26.321: INFO/dalvikvm(12090): at dalvik.system.NativeStart.run(Native Method) 01-20 17:11:26.321: INFO/dalvikvm(12090): "Compiler" daemon prio=5 tid=5 VMWAIT 01-20 17:11:26.321: INFO/dalvikvm(12090): | group="system" sCount=1 dsCount=0 s=N obj=0x44765348 self=0x11fb70 01-20 17:11:26.321: INFO/dalvikvm(12090): | sysTid=12094 nice=0 sched=0/0 cgrp=default handle=1172656 01-20 17:11:26.321: INFO/dalvikvm(12090): | schedstat=( 1851837165 854217465 10038 ) 01-20 17:11:26.321: INFO/dalvikvm(12090): at dalvik.system.NativeStart.run(Native Method) 01-20 17:11:26.321: INFO/dalvikvm(12090): "JDWP" daemon prio=5 tid=4 VMWAIT 01-20 17:11:26.321: INFO/dalvikvm(12090): | group="system" sCount=1 dsCount=0 s=N obj=0x447652a0 self=0x124880 01-20 17:11:26.321: INFO/dalvikvm(12090): | sysTid=12093 nice=0 sched=0/0 cgrp=default handle=1172384 01-20 17:11:26.321: INFO/dalvikvm(12090): | schedstat=( 4089356 2716063 18 ) 01-20 17:11:26.321: INFO/dalvikvm(12090): at dalvik.system.NativeStart.run(Native Method) 01-20 17:11:26.321: INFO/dalvikvm(12090): "Signal Catcher" daemon prio=5 tid=3 VMWAIT 01-20 17:11:26.321: INFO/dalvikvm(12090): | group="system" sCount=1 dsCount=0 s=N obj=0x447651e8 self=0x125b80 01-20 17:11:26.321: INFO/dalvikvm(12090): | sysTid=12092 nice=0 sched=0/0 cgrp=default handle=1152504 01-20 17:11:26.321: INFO/dalvikvm(12090): | schedstat=( 518799 5676269 2 ) 01-20 17:11:26.321: INFO/dalvikvm(12090): at dalvik.system.NativeStart.run(Native Method) 01-20 17:11:26.321: INFO/dalvikvm(12090): "HeapWorker" daemon prio=5 tid=2 MONITOR 01-20 17:11:26.321: INFO/dalvikvm(12090): | group="system" sCount=1 dsCount=0 s=N obj=0x431a9d80 self=0x126f18 01-20 17:11:26.321: INFO/dalvikvm(12090): | sysTid=12091 nice=0 sched=0/0 cgrp=default handle=1251760 01-20 17:11:26.329: INFO/dalvikvm(12090): | schedstat=( 441986082 367523194 238 ) 01-20 17:11:26.329: INFO/dalvikvm(12090): at org.apache.harmony.xnet.provider.jsse.OpenSSLSessionImpl.finalize(OpenSSLSessionImpl.java:~460) 01-20 17:11:26.329: INFO/dalvikvm(12090): - waiting to lock <0x40012550> (a java.lang.Class) held by threadid=46 (AsyncTask #37) 01-20 17:11:26.329: INFO/dalvikvm(12090): at dalvik.system.NativeStart.run(Native Method) 01-20 17:11:26.329: DEBUG/dalvikvm(12090): threadid=32: sending two SIGSTKFLTs to threadid=2 (tid=12091) to cause debuggerd dump 01-20 17:11:28.337: DEBUG/dalvikvm(12090): Sent, pausing to let debuggerd run 01-20 17:11:28.344: INFO/DEBUG(1003): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 01-20 17:11:28.344: INFO/DEBUG(1003): Build fingerprint: 'verizon/ voles/sholes/sholes:2.2.1/FRG83D/75603:user/release-keys' 01-20 17:11:28.344: INFO/DEBUG(1003): pid: 12090, tid: 12091 >>> com.quickdroid <<< 01-20 17:11:28.344: INFO/DEBUG(1003): signal 16 (SIGSTKFLT), fault addr 00002f3a 01-20 17:11:28.344: INFO/DEBUG(1003): r0 fffffe00 r1 00000080 r2 00000002 r3 00000000 01-20 17:11:28.344: INFO/DEBUG(1003): r4 002a1ac0 r5 00000002 r6 00000000 r7 000000f0 01-20 17:11:28.344: INFO/DEBUG(1003): r8 00000002 r9 00000000 10 00126f18 fp 100ffe30 01-20 17:11:28.344: INFO/DEBUG(1003): ip 805a24c8 sp 100ffaa0 lr afd103bc pc afd0eb68 cpsr 80000010 01-20 17:11:28.344: INFO/DEBUG(1003): d0 643a64696f72646e d1 6472656767756265 01-20 17:11:28.344: INFO/DEBUG(1003): d2 448cf948448cf703 d3 448358184478c701 01-20 17:11:28.344: INFO/DEBUG(1003): d4 448cf7f0448f73d0 d5 4478c758448cf948 01-20 17:11:28.352: INFO/DEBUG(1003): d6 448132c0447a4ba0 d7 448b4a30447ba858 01-20 17:11:28.352: INFO/DEBUG(1003): d8 0000000000000000 d9 0000000000000000 01-20 17:11:28.352: INFO/DEBUG(1003): d10 0000000000000000 d11 0000000000000000 01-20 17:11:28.352: INFO/DEBUG(1003): d12 0000000000000000 d13 0000000000000000 01-20 17:11:28.352: INFO/DEBUG(1003): d14 0000000000000000 d15 0000000000000000 01-20 17:11:28.360: INFO/DEBUG(1003): d16 000000000b0407ba d17 3fe999999999999a 01-20 17:11:28.360: INFO/DEBUG(1003): d18 42eccefa43de3400 d19 3fe00000000000b4 01-20 17:11:28.360: INFO/DEBUG(1003): d20 4008000000000000 d21 3fd99a27ad32ddf5 01-20 17:11:28.360: INFO/DEBUG(1003): d22 3fd24998d6307188 d23 3fcc7288e957b53b 01-20 17:11:28.360: INFO/DEBUG(1003): d24 3fc74721cad6b0ed d25 3fc39a09d078c69f 01-20 17:11:28.368: INFO/DEBUG(1003): d26 0000000000000000 d27 0000000000000000 01-20 17:11:28.368: INFO/DEBUG(1003): d28 0000000000000000 d29 0000000000000000 01-20 17:11:28.368: INFO/DEBUG(1003): d30 0000000000000000 d31 0000000000000000 01-20 17:11:28.368: INFO/DEBUG(1003): scr 80000012 01-20 17:11:28.516: INFO/DEBUG(1003): #00 pc 0000eb68 / system/lib/libc.so 01-20 17:11:28.516: INFO/DEBUG(1003): #01 pc 000103b8 / system/lib/libc.so 01-20 17:11:28.516: INFO/DEBUG(1003): #02 pc 0004d096 / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #03 pc 0004d856 / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #04 pc 0001775c / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #05 pc 00022794 / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #06 pc 00021634 / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #07 pc 0005c5cc / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #08 pc 0005c7fc / system/lib/libdvm.so 01-20 17:11:28.516: INFO/DEBUG(1003): #09 pc 0005203e / system/lib/libdvm.so 01-20 17:11:28.524: INFO/DEBUG(1003): #10 pc 000520ca / system/lib/libdvm.so 01-20 17:11:28.524: INFO/DEBUG(1003): #11 pc 000525a0 / system/lib/libdvm.so 01-20 17:11:28.524: INFO/DEBUG(1003): #12 pc 0004f9ec / system/lib/libdvm.so 01-20 17:11:28.524: INFO/DEBUG(1003): #13 pc 00010ed4 / system/lib/libc.so 01-20 17:11:28.524: INFO/DEBUG(1003): #14 pc 000109c0 / system/lib/libc.so 01-20 17:11:28.524: INFO/DEBUG(1003): code around pc: 01-20 17:11:28.524: INFO/DEBUG(1003): afd0eb48 0afffff7 e8bd4010 e12fff1e e1010090 01-20 17:11:28.524: INFO/DEBUG(1003): afd0eb58 e12fff1e e92d0090 e3a070f0 ef000000 01-20 17:11:28.524: INFO/DEBUG(1003): afd0eb68 e8bd0090 e12fff1e e92d0090 e1a03002 01-20 17:11:28.524: INFO/DEBUG(1003): afd0eb78 e1a02001 e3a01000 e3a070f0 ef000000 01-20 17:11:28.524: INFO/DEBUG(1003): afd0eb88 e8bd0090 e12fff1e e92d0090 e1a02001 01-20 17:11:28.524: INFO/DEBUG(1003): code around lr: 01-20 17:11:28.524: INFO/DEBUG(1003): afd1039c e3500000 0a00000e e3560000 e3865002 01-20 17:11:28.524: INFO/DEBUG(1003): afd103ac 03a07080 13a07000 ea000000 ebfff9fb 01-20 17:11:28.524: INFO/DEBUG(1003): afd103bc e1a01004 e1a00005 ebfff9e2 e1a01007 01-20 17:11:28.524: INFO/DEBUG(1003): afd103cc e1a02005 e3a03000 e1560000 e1a00004 01-20 17:11:28.524: INFO/DEBUG(1003): afd103dc 1afffff5 e3a00000 e8bd87f0 ebfffc8a 01-20 17:11:28.524: INFO/DEBUG(1003): stack: 01-20 17:11:28.524: INFO/DEBUG(1003): 100ffa60 afd43724 /system/ lib/libc.so 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa64 10420e6c 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa68 00000001 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa6c afd43760 /system/ lib/libc.so 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa70 100ffad0 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa74 4184ff88 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa78 4184ff74 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa7c afd0be0d /system/ lib/libc.so 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa80 100ffad0 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa84 4184ffa0 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa88 00000018 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa8c afd43850 /system/ lib/libc.so 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa90 00126f18 [heap] 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa94 af0943ac /system/ lib/libcrypto.so 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa98 df002777 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffa9c e3a070ad 01-20 17:11:28.532: INFO/DEBUG(1003): #00 100ffaa0 002a1ac0 [heap] 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffaa4 00000080 01-20 17:11:28.532: INFO/DEBUG(1003): #01 100ffaa8 002a1ab0 [heap] 01-20 17:11:28.532: INFO/DEBUG(1003): 100ffaac 00000000 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffab0 00126f18 [heap] 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffab4 002a1ac0 [heap] 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffab8 80517000 /system/ lib/libdvm.so 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffabc 00000000 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffac0 00126f18 [heap] 01-20 17:11:28.539: INFO/DEBUG(1003): 100ffac4 8054d099 /system/ lib/libdvm.so 01-20 17:11:29.657: INFO/DEBUG(1003): debuggerd committing suicide to free the zombie! 01-20 17:11:29.680: INFO/BootReceiver(1085): Copying /data/tombstones/ tombstone_00 to DropBox (SYSTEM_TOMBSTONE) -- You received this message because you are subscribed to the Google Groups 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