Re: Porting Sable VM to SH4

Hi Vincent,

Glad to hear you got it working.

Can you try and create a minimal test case?  There is no way anybody can 
help you from that stack trace alone.

Does your program work on other architectures?

Did you update to the trunk sablevm and sablevm-classpath?  There were 
some threading fixes in April 2006.

Cheers,
Chris

Vincent Verstraete wrote:
> Hello,
> 
> The problem is solved by adding 
> --property="java.library.path=/usr/local/sablevm/lib/sablevm-classpath" 
> as command line argument when invoking the sablevm command. I guess the 
> internal java.library.path was wrongly configured somewhere along the 
> road. When I compile a simple test program, it runs now.
> 
> However, my main goal was to get an OSGI framework (more specifically 
> knopflerfish) running on my target sh4 machine. When starting the 
> framework, it loads, but I do (sometimes) get an error when installing 
> some extra bundles. As it does seem more VM related than OSGI related, I 
> thought someone here might know what causes this error. The weird thing 
> is, it does not always occur, so my guess is it has something to do with 
> Thread scheduling:
> 
> 
> java.lang.InternalError
>   at java.lang.VMThread.nativeStart (VMThread.java)
>   at java.lang.VMThread.start (VMThread.java:322)
>   at java.lang.VMThread.create (VMThread.java:165)
>   at java.lang.Thread.start (Thread.java:879)
>   at org.mcdp.client.channelsocket.Channel_SocketImpl.start 
> (Channel_SocketImpl.java:59)
>   at org.mcdp.client.channeltracker.bundle.ChannelTracker.addingService 
> (ChannelTracker.java:28)
>   at org.osgi.util.tracker.ServiceTracker$1.serviceChanged 
> (ServiceTracker.java:267)
>   at org.knopflerfish.framework.Listeners$3.run (Listeners.java:301)
>   at java.security.AccessController.doPrivileged (AccessController.java:96)
>   at org.knopflerfish.framework.Listeners.serviceChanged 
> (Listeners.java:299)
>   at org.knopflerfish.framework.Services.register (Services.java:141)
>   at org.knopflerfish.framework.BundleContextImpl.registerService 
> (BundleContextImpl.java:273)
>   at org.mcdp.client.channelsocket.EEN.Activator.start (Activator.java:38)
>   at org.knopflerfish.framework.BundleImpl$1.run (BundleImpl.java:281)
>   at java.security.AccessController.doPrivileged 
> (AccessController.java:154)
>   at org.knopflerfish.framework.BundleImpl.start (BundleImpl.java:255)
>   at org.knopflerfish.framework.Framework.startBundle (Framework.java:453)
>   at org.knopflerfish.framework.Main.handleArgs (Main.java:305)
>   at org.knopflerfish.framework.Main.main (Main.java:190)
>   at java.lang.VirtualMachine.invokeMain (VirtualMachine.java)
>   at java.lang.VirtualMachine.main (VirtualMachine.java:108)
> 
> 
> Anyone who knows the cause of this error (or even better: a solution)?
> 
> Cheers,
> 
> Vincent
> 
> 
> 
> Chris Pickett wrote:
> 
>> Hi Vincent,
>>
>> Vincent Verstraete wrote:
>>
>>> java.lang.UnsatisfiedLinkError: Native library `javanio' not found 
>>> (as file `libjavanio') in gnu.classpath.boot.library.path and 
>>> java.library.path
>>> [verbose gc: total gc time = 0 sec 0 usec]
>>>
>>>
>>> The weird thing is I do find libjavanio on my system in 
>>> /usr/local/sablevm/lib/sablevm-classpath/
>>>
>>> Any idea where this dynamic linking goes wrong?
>>
>>
>>
>> I hit the same thing last night using a system with gcc-4.0.  I moved 
>> to an older system with gcc-3.3 and it went away.  I did hear a report 
>> of SableVM "not working" with gcc-4.0, but there weren't any further 
>> details.  I can't say for sure what the problem is, it might be gcc, 
>> it might be something like libtool, it might be an environment 
>> variable. If I figure it out, I'll let you know; please do the same.  
>> Note that for what I need now, I'm fine just using gcc-3.3, so I 
>> probably won't spend a lot of time on it.
>>
>> Cheers,
>> Chris
>>
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> 
>