Bug ID: 6310967 SA: jstack -m produce failures in output

6310967 : SA: jstack -m produce failures in output

Details

Type:	Bug	Submit Date:	2005-08-15
Status:	Resolved	Updated Date:	2013-04-30
Project Name:	JDK	Resolved Date:	2012-07-03
Component:	hotspot	OS:	linux
Sub-Component:	svc	CPU:	x86,generic
Priority:	P3
Resolution:	Fixed
Affected Versions:	hs20,6u10,7
Fixed Versions:	hs24

Related Reports

Backport:	JDK-2224941 - SA: jstack -m produce failures in output
Backport:	JDK-2225247 - SA: jstack -m produce failures in output
Backport:	JDK-2225461 - SA: jstack -m produce failures in output
Backport:	JDK-2226445 - SA: jstack -m produce failures in output
Backport:	JDK-2226279 - SA: jstack -m produce failures in output
Backport:	JDK-8002608 - SA: jstack -m produce failures in output
Backport:	JDK-8002607 - SA: jstack -m produce failures in output
Duplicate:	JDK-7012079 - jstack reports sun.jvm.hotspot.debugger.UnmappedAddressException on linux-i586
Relates:	JDK-7178741 - SA: jstack -m produce UnalignedAddressException in output (Linux)
Relates:	JDK-6602406 - jstack -m (mixed threads) throws NullPointerException

Sub Tasks

Description

running jstack -m on netbeans 4.1 produce some errorneous output like:

0xffffe410      ????????
0x39619728      ????????
sun.jvm.hotspot.debugger.UnalignedAddressException: Trying to read at address: 0x43215272 with alignment: 4
        at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1.checkAlignment(LinuxDebuggerLocal.java:163)
        at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.readCInteger(LinuxDebuggerLocal.java:451)
        at sun.jvm.hotspot.debugger.DebuggerBase.readAddressValue(DebuggerBase.java:425)
        at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.readAddress(LinuxDebuggerLocal.java:405)
        at sun.jvm.hotspot.debugger.linux.LinuxAddress.getAddressAt(LinuxAddress.java:56)
        at sun.jvm.hotspot.debugger.linux.x86.LinuxX86CFrame.sender(LinuxX86CFrame.java:43)
        at sun.jvm.hotspot.tools.PStack.run(PStack.java:129)
        at sun.jvm.hotspot.tools.JStack.run(JStack.java:41)
        at sun.jvm.hotspot.tools.Tool.start(Tool.java:204)
        at sun.jvm.hotspot.tools.JStack.main(JStack.java:58)

Comments

EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/b87e5a681416
2012-06-29
EVALUATION Moving JPRT update to hs23.2 subcr.
2012-06-19
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/b87e5a681416
2012-06-15
EVALUATION Since more investigation is needed, changed state back to "accepted".
2011-01-13
EVALUATION Stack walking may not work if the frames are not in walkable state. This might be the case here. But we need to investigate this more.
2006-04-12

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