From owner-freebsd-bugs  Fri Jul  9  8:57:14 1999
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Date: Fri, 9 Jul 1999 09:57:02 -0600
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From: Nate Williams <nate@mt.sri.com>
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To: jin@george.lbl.gov
Cc: j_guojun@lbl.gov, nate@mt.sri.com, freebsd-bugs@FreeBSD.ORG
Subject: Re: kern/11984: pthread_kill cannot kill select() threads, etc.
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References: <199907091542.IAA04652@george.lbl.gov>
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> } Note, according the PR, you are running:
> } 
> } >Release:        FreeBSD 3.2-RELEASE i386
> } 
> } > 
> } >  By tracing downto c_r library, two problems have been found:
> } >  
> } >  (1) pthread_exit(void *status)
...
> } Which version of FreeBSD are you using?  In 3.0, it was a char, so I'll
> } bet you are using a buggy version of the library.  Please update to a
> } more recent version, which has these bugs fixed.
> 
> Sorry for the confusion. That was in 2.2.8-RELEASE. The problem is the
> gdb get core dump under 3.2-RELEASE when attach the hanging process,
> so I did debugging under 2.2.8-RELEASE.

The GDB bug was fixed in 3.2-stable right after the release, so please
upgrade to 3.2-stable.

> Yes, part of the problem 1 is fixed in 3.2-RELEASE, but the flags is not
> checked any where, which causes problem 2 still in 3.2.

Can you check out the stock code, and if it's still a problem followup
on this PR?

> If you agree this logic, I will examine the code and add this conditional
> code to fix the problem.

Let's wait until after you upgrade, and see if the problem still
exists.  It's possible it may have been fixed some other way.


Thanks!


Nate


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