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Date:      Wed, 27 Sep 2006 20:20:32 -0400
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        Alexander Leidinger <Alexander@Leidinger.net>
Cc:        freebsd-emulation@FreeBSD.org
Subject:   Re: linuxulator on -CURRENT
Message-ID:  <200609272020.35161.jkim@FreeBSD.org>
In-Reply-To: <20060927103401.ml5fhn8cg0swc0go@webmail.leidinger.net>
References:  <200609261733.48398.jkim@FreeBSD.org> <20060927103401.ml5fhn8cg0swc0go@webmail.leidinger.net>

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On Wednesday 27 September 2006 04:34 am, Alexander Leidinger wrote:
> Quoting Jung-uk Kim <jkim@FreeBSD.org> (from Tue, 26 Sep 2006 17:33:44 -0400):
> > I was little annoyed by linuxulator breakage on amd64, which
> > fails to run Acrobat Reader.  (Well, actually it's not Acrobat's
> > fault.  It's just that wrapper is failing.  If you run 'sh
> > /usr/X11R6/bin/acroread' instead, it runs okay.)  All seem to
> > boil down to one problem:
>
> This is a known problem. It occured after a commit by jhb@ to the
> ipc stuff. Search the archives, I don't remember the exact details.
> So far nobody with an amd64 system was able to provide the
> necessary debug info to fix this.

Okay.

> Maybe instead of playing with gdb/ddb/printfs it may be also
> possible to use the linux test project testcases to frind the
> problem. You can download a precompiled version of it from:
> http://www.leidinger.net/FreeBSD/linuxolator/ltp-full-20060822-read
>y.tar.bz2
>
> Have a look at http://wiki.FreeBSD.org/linux-kernel for a
> description how to use it and what tests are known to hang on i386
> (they may or may not hand on amd64, and some of the tests are known
> to need a little bit of time). I suggest to do this in a
> gentoo-chroot (linux_dist port, not the linux_base port).

Well, problem is the tool is using shell scripts heavily and it
doesn't work because it has the exact same problems. :-(
I ran some binaries manually, though.  I got:

%./waitpid06
waitpid06    1  FAIL  :  Child 2097 did not exit normally
status: 139
waitpid06    2  FAIL  :  Child 2099 did not exit normally
status: 139
waitpid06    3  FAIL  :  Child 2098 did not exit normally
status: 139
waitpid06    4  FAIL  :  Child 2100 did not exit normally
status: 139
waitpid06    5  FAIL  :  Child 2101 did not exit normally
status: 139
waitpid06    6  FAIL  :  Child 2102 did not exit normally
status: 139
waitpid06    7  FAIL  :  Child 2103 did not exit normally
status: 139
waitpid06    8  FAIL  :  Child 2104 did not exit normally
status: 139
waitpid06    1  FAIL  :  child returned bad status
waitpid06    2  FAIL  :  waitpid06 FAILED
%./waitpid07
waitpid07    1  FAIL  :  Child 2171 did not exit normally
waitpid07    2  FAIL  :  Child 2170 did not exit normally
waitpid07    3  FAIL  :  Child 2169 did not exit normally
waitpid07    4  FAIL  :  Child 2168 did not exit normally
waitpid07    5  FAIL  :  Child 2175 did not exit normally
waitpid07    6  FAIL  :  Child 2174 did not exit normally
waitpid07    7  FAIL  :  Child 2173 did not exit normally
waitpid07    8  FAIL  :  Child 2172 did not exit normally
waitpid07    1  FAIL  :  child returned bad status
waitpid07    2  FAIL  :  waitpid07 FAILED
%./waitpid08
waitpid08    1  FAIL  :  Child 2180 did not stopped
waitpid08    2  FAIL  :  Kill of child 2180 failed, errno = 3
waitpid08    3  FAIL  :  Child 2181 did not stopped
waitpid08    4  FAIL  :  Kill of child 2181 failed, errno = 3
waitpid08    5  FAIL  :  Child 2179 did not stopped
waitpid08    6  FAIL  :  Kill of child 2179 failed, errno = 3
waitpid08    7  FAIL  :  Child 2178 did not stopped
waitpid08    8  FAIL  :  Kill of child 2178 failed, errno = 3
waitpid08    9  FAIL  :  Child 2182 did not stopped
waitpid08   10  FAIL  :  Kill of child 2182 failed, errno = 3
waitpid08   11  FAIL  :  Child 2183 did not stopped
waitpid08   12  FAIL  :  Kill of child 2183 failed, errno = 3
waitpid08   13  FAIL  :  Child 2184 did not stopped
waitpid08   14  FAIL  :  Kill of child 2184 failed, errno = 3
waitpid08   15  FAIL  :  Child 2185 did not stopped
waitpid08   16  FAIL  :  Kill of child 2185 failed, errno = 3
waitpid08    1  FAIL  :  child returned bad status
waitpid08    2  FAIL  :  waitpid08 FAILED
%./waitpid09
waitpid09    1  FAIL  :  status value got 139 expected 0
waitpid09    2  FAIL  :  case 1 FAILED
waitpid09    3  PASS  :  case 2 PASSED
waitpid09    1  BROK  :  child returned bad status
%./waitpid10
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
waitpid10    1  BROK  :  Unexpected signal 11 received.
%./waitpid11
waitpid11    1  FAIL  :  Child 861 did not exit normally
waitpid11    2  FAIL  :  Child 863 did not exit normally
waitpid11    3  FAIL  :  Child 862 did not exit normally
waitpid11    4  FAIL  :  Child 864 did not exit normally
waitpid11    5  FAIL  :  Child 860 did not exit normally
waitpid11    6  FAIL  :  Child 859 did not exit normally
waitpid11    7  FAIL  :  Child 858 did not exit normally
waitpid11    8  FAIL  :  Child 857 did not exit normally
waitpid11    9  FAIL  :  Test FAILED
waitpid11    1  FAIL  :  child returned bad status
waitpid11    2  FAIL  :  waitpid11 FAILED
%./waitpid12
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  BROK  :  Unexpected signal 11 received.
waitpid12    1  FAIL  :  Child 874 exited with wrong status
waitpid12    1  BROK  :  Unexpected signal 28 received.
%waitpid12    2  FAIL  :  Expected 3 got 2
waitpid12    3  FAIL  :  Child 873 exited with wrong status
waitpid12    4  FAIL  :  Expected 3 got 2
waitpid12    5  FAIL  :  Child 872 exited with wrong status
waitpid12    6  FAIL  :  Expected 3 got 2
waitpid12    7  FAIL  :  Child 871 exited with wrong status
waitpid12    8  FAIL  :  Expected 3 got 2
waitpid12    9  FAIL  :  Child 870 exited with wrong status
waitpid12   10  FAIL  :  Expected 3 got 2
waitpid12   11  FAIL  :  Child 869 exited with wrong status
waitpid12   12  FAIL  :  Expected 3 got 2
waitpid12   13  FAIL  :  Child 868 exited with wrong status
waitpid12   14  FAIL  :  Expected 3 got 2
waitpid12   15  FAIL  :  Child 867 exited with wrong status
waitpid12   16  FAIL  :  Expected 3 got 2
waitpid12   17  FAIL  :  Test FAILED

Results from waitpid0[1-5] are the same as those of i386 from Wiki.

> Feel free to add content to the wiki.
>
> > * PS: I have modified ports/devel/linux_kdump to build without
> > gentoo. If anybody is interested, you can get it from here:
> >
> >       http://people.freebsd.org/~jkim/linux_kdump.tar.gz
> >
> >       I just added Linux header files as a patch. :-P
>
> I don't like this fix.

Believe me, I don't like it myself.  That's why I didn't attempt to
commit it. ;-)

> Why not use the package from the build cluster instead?

# uname -mr
7.0-CURRENT amd64
# pkg_add -r linux_kdump
Error: FTP Unable to get ftp://ftp.freebsd.org/pub/FreeBSD/ports/amd64/packages-7-current/Latest/linux_kdump.tbz: File unavailable (e.g., file not found, no access)
pkg_add: unable to fetch 'ftp://ftp.freebsd.org/pub/FreeBSD/ports/amd64/packages-7-current/Latest/linux_kdump.tbz' by URL

Jung-uk Kim



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