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Re: [Jikesrvm-researchers] Re: Can't compile with RVM_FOR_SINGLE_VIRTUAL_PROCESSOR=1
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From: Stephen F. <sj...@us...> - 2001-12-12 16:31:33
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Hi Wilson,
Our SMP thread system does not work on Linux 2.2; our thread system
relies on the Linux 2.4 pthread implementation. Thus, to run on a 2.2
kernel, you must build with RVM_FOR_SINGLE_VIRTUAL_PROCESSOR.
As you and Matthias discovered, there was a bug in the 2.0.1 Jikes RVM
release, whereby RVM_FOR_SINGLE_VIRTUAL_PROCESSOR did not build. I have
fixed this in the main branch of the system. The fixes were checked in on
11/27: you'll need to update VM_StartupThread.java, VM_Scheduler.java, and
VM_NativeDaemonThread.java .
The fixes will of course be included in release 2.02, which will happen as
soon as we can recover some system stability as indicated by the overnight
sanity runs.
SJF
------------------------------------------------------------------------
Stephen Fink
IBM T.J. Watson Research Center
sj...@us...
(914)784-7776
Wilson Hsieh <wi...@cs...>
Sent by: To: jik...@ww...
jik...@ww...uthbury. cc:
usf.ibm.com Subject: [Jikesrvm-researchers] Re: Can't compile with
RVM_FOR_SINGLE_VIRTUAL_PROCESSOR=1
12/12/2001 01:20 AM
Please respond to jikesrvm-researchers
Matthias Hauswirth posted on this last month, and I have a followup
question. I'm building on a RedHat Linux 2.2 kernel, and
RVM_FOR_SINGLE_VIRTUAL_PROCESSOR is therefore set by jconfigure.
Is there a known bug with the Linux 2.2 kernel that means I have to
compile with RVM_FOR_SINGLE_VIRTUAL_PROCESSOR? (Which of course is
not possible, as Matthias pointed out in his email.)
I've posted a bug on this, just in case that's the right place to
make sure someone remembers (because I sure won't once I'm told how
to fix it!).
Thanks,
- Wilson
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