Hello all,
I wrote an application running under RedHat 5.1 and JDK1.1.7a1. It
randomly causes core dump and file corruption with following message:
------
SIGSEGV 11* segmentation violation
stackbase=0x4137a000, stackpointer=0x41379cac
Full thread dump:
"process reaper" (TID:0x4066f1b8, sys_thread_t:0x41669e0c,
state:CW) prio=5
java.lang.Thread.run(Thread.java)
"Screen Updater" (TID:0x40674da0, sys_thread_t:0x4168ae0c,
state:CW) prio=4
java.lang.Object.wait(Object.java)
sun.awt.ScreenUpdater.nextEntry(ScreenUpdater.java:70)
sun.awt.ScreenUpdater.run(ScreenUpdater.java:90)
"AWT-Finalizer" (TID:0x40675578, sys_thread_t:0x416abe0c,
state:CW) prio=9
java.lang.Object.wait(Object.java)
sun.awt.AWTFinalizer.run(AWTFinalizer.java:40)
"TimerQueue" (TID:0x4066dc90, sys_thread_t:0x41648e0c, state:CW)
prio=5
javax.swing.TimerQueue.run(TimerQueue.java:205)
java.lang.Thread.run(Thread.java)
"Thread-19" (TID:0x40665610, sys_thread_t:0x41627e0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-20" (TID:0x406656e0, sys_thread_t:0x41606e0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-17" (TID:0x40665408, sys_thread_t:0x415e5e0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-18" (TID:0x406653b0, sys_thread_t:0x415c4e0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-15" (TID:0x40665210, sys_thread_t:0x415a3e0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-16" (TID:0x406654a8, sys_thread_t:0x41582e0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-13" (TID:0x40665300, sys_thread_t:0x41561e0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-14" (TID:0x406652a8, sys_thread_t:0x41540e0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-11" (TID:0x406650f8, sys_thread_t:0x4151fe0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-12" (TID:0x406650a0, sys_thread_t:0x414fee0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-9" (TID:0x40664ef8, sys_thread_t:0x414dde0c, state:CW)
prio=5
Nest.run(Nest.java:57)
"Thread-10" (TID:0x40665190, sys_thread_t:0x414bce0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-7" (TID:0x40665028, sys_thread_t:0x4149be0c, state:CW)
prio=5
SyncBuffer.get(SyncBuffer.java:53)
Emmi.rcv(Emmi.java:131)
Emmi.flex(Emmi.java:336)
Nest.run(Nest.java:97)
"Thread-8" (TID:0x40664f98, sys_thread_t:0x4147ae0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"Thread-5" (TID:0x40664e18, sys_thread_t:0x41459e0c, state:CW)
prio=5
Nest.run(Nest.java:182)
"Thread-6" (TID:0x40664db0, sys_thread_t:0x41438e0c, state:CW)
prio=5
SerialInputStream.read(SerialInputStream.java:81)
java.io.BufferedInputStream.fill(BufferedInputStream.java)
java.io.BufferedInputStream.read(BufferedInputStream.java)
RxReader.run(RxReader.java:20)
"AWT-Motif" (TID:0x4065b568, sys_thread_t:0x41413e0c, state:CW)
prio=5
java.lang.Thread.run(Thread.java)
"AWT-Input" (TID:0x4065b2d0, sys_thread_t:0x413f2e0c, state:CW)
prio=5
"AWT-EventQueue-0" (TID:0x4065b2e8, sys_thread_t:0x413d1e0c,
state:CW) prio=
5
java.lang.Object.wait(Object.java)
java.awt.EventQueue.getNextEvent(EventQueue.java:118)
java.awt.EventDispatchThread.run(EventDispatchThread.java:67)
"Finalizer thread" (TID:0x40656210, sys_thread_t:0x4139ae0c,
state:CW) prio=
1
"Async Garbage Collector" (TID:0x40656258,
sys_thread_t:0x41379e0c, state:R)
prio=1 *current thread*
"Idle thread" (TID:0x406562a0, sys_thread_t:0x41358e0c, state:R)
prio=0
"Clock" (TID:0x40656088, sys_thread_t:0x41337e0c, state:CW)
prio=12
"main" (TID:0x406560b0, sys_thread_t:0x81cde98, state:CW) prio=5
Monitor Cache Dump:
<unknown key> (0x0x4151fe0c): <unowned>
Waiting to be notified:
"Thread-11" (0x4151fe0c)
SyncBuffer@1080446880/1080963904: <unowned>
Waiting to be notified:
"Thread-7" (0x4149be0c)
<unknown key> (0x0x414dde0c): <unowned>
Waiting to be notified:
"Thread-9" (0x414dde0c)
java.io.BufferedInputStream@1080446968/1080959328: owner
"Thread-8" (0x4147a
e0c, 1 entry)
<unknown key> (0x0x41459e0c): <unowned>
Waiting to be notified:
"Thread-5" (0x41459e0c)
java.io.BufferedInputStream@1080447752/1080981072: owner
"Thread-14" (0x4154
0e0c, 1 entry)
java.io.BufferedInputStream@1080447232/1080975032: owner
"Thread-12" (0x414f
ee0c, 1 entry)
java.io.BufferedInputStream@1080446720/1080968992: owner
"Thread-10" (0x414b
ce0c, 1 entry)
sun.awt.ScreenUpdater@1080511904/1081248824: <unowned>
Waiting to be notified:
"Screen Updater" (0x4168ae0c)
sun.awt.motif.MToolkit@1080406888/1080788368: <unowned>
Waiting to be notified:
"AWT-Motif" (0x41413e0c)
java.awt.EventQueue@1080406840/1080788624: <unowned>
Waiting to be notified:
"AWT-EventQueue-0" (0x413d1e0c)
<unknown key> (0x0x41627e0c): <unowned>
Waiting to be notified:
"Thread-19" (0x41627e0c)
java.io.BufferedInputStream@1080446496/1080956672: owner
"Thread-6" (0x41438
e0c, 1 entry)
<unknown key> (0x0x415e5e0c): <unowned>
Waiting to be notified:
"Thread-17" (0x415e5e0c)
java.io.BufferedInputStream@1080448536/1080999328: owner
"Thread-20" (0x4160
6e0c, 1 entry)
java.io.BufferedInputStream@1080447512/1080987112: owner
"Thread-16" (0x4158
2e0c, 1 entry)
java.io.BufferedInputStream@1080448016/1080993288: owner
"Thread-18" (0x415c
4e0c, 1 entry)
javax.swing.TimerQueue@1080482968/1081122528: <unowned>
Waiting to be notified:
"TimerQueue" (0x41648e0c)
<unknown key> (0x0x415a3e0c): <unowned>
Waiting to be notified:
"Thread-15" (0x415a3e0c)
sun.awt.AWTFinalizer@1080513912/1080660456: <unowned>
Waiting to be notified:
"AWT-Finalizer" (0x416abe0c)
<unknown key> (0x0x41561e0c): <unowned>
Waiting to be notified:
"Thread-13" (0x41561e0c)
Registered Monitor Dump:
Thread queue lock: owner "Async Garbage Collector" (0x41379e0c,
1 entry)
Waiting to be notified:
"main" (0x81cde98)
Name and type hash table lock: <unowned>
String intern lock: owner "Async Garbage Collector" (0x41379e0c,
1 entry)
JNI pinning lock: <unowned>
JNI global reference lock: owner "Async Garbage Collector"
(0x41379e0c, 1 en
try)
BinClass lock: owner "Async Garbage Collector" (0x41379e0c, 1
entry)
Class loading lock: <unowned>
Java stack lock: <unowned>
Code rewrite lock: <unowned>
Heap lock: owner "Async Garbage Collector" (0x41379e0c, 1 entry)
Has finalization queue lock: owner "Async Garbage Collector"
(0x41379e0c, 1
entry)
entry)
Finalize me queue lock: owner "Async Garbage Collector"
(0x41379e0c, 1 entry
)
Waiting to be notified:
"Finalizer thread" (0x4139ae0c)
Dynamic loading lock: <unowned>
Monitor IO lock: <unowned>
Child death monitor: <unowned>
Waiting to be notified:
"process reaper" (0x41669e0c)
Event monitor: <unowned>
I/O monitor: <unowned>
Waiting to be notified:
"AWT-Input" (0x413f2e0c)
Alarm monitor: <unowned>
Waiting to be notified:
"Clock" (0x41337e0c)
Monitor registry: owner "Async Garbage Collector" (0x41379e0c, 1
entry)
Thread Alarm Q:
sys_thread_t 0x413f2e0c [Timeout expired]
sys_thread_t 0x41648e0c [Timeout in 291 ms]
sys_thread_t 0x41459e0c [Timeout in 639 ms]
sys_thread_t 0x414dde0c [Timeout in 2238 ms]
sys_thread_t 0x4151fe0c [Timeout in 2238 ms]
sys_thread_t 0x415a3e0c [Timeout in 2238 ms]
sys_thread_t 0x41627e0c [Timeout in 2238 ms]
sys_thread_t 0x41561e0c [Timeout in 2308 ms]
sys_thread_t 0x415e5e0c [Timeout in 2308 ms]
sys_thread_t 0x4149be0c [Timeout in 29887 ms]
��- and when I run klock, it says as following, which it's a part of
my data file. But after I reboot, the error's gone.
klock: error in loading shared libraries
/opt/kde/lib/libkdeui.so.1: undefined symbol: 00 00 00 00 00 00
@ seem 546:1 byte 00-03 = 03 30 18 81
@ seem 552:1 byte 00-00 = 00
@ seem 556:1 byte 00-00 = 02
@ seem 558:1 byte 00-00 = 00
@ seem 561:1 byte 00-01 = 00 b4
@ seem 563:1 byte 00-03 = 00 00 00 00
@ seem 564:1 byte 00-0d = 02 50 14 00 00 00 00 00 00 00 00 00 00
00
@ seem 569:1 byte 00-0f = ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff
@ seem 569:1 byte 10-1f = ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff
@ seem 569:1 byte 20-24 = ff ff ff ff ff
END_GROUP
EXIT
Please could anyone help?
Best regards,
Howard
