Prashant's oddly hanging build ...

[Michael Meeks]

On Fri, 2013-03-01 at 12:54 +0000, Michael Meeks wrote:
> On Fri, 2013-03-01 at 15:21 +0530, Prashant Pandey wrote:
> > ps aux show the following results:

	pstree -p is prolly going to give a more useful output (JFYI) you may
need to coax it to go wider than normal though.

> 	strace -s 256 -f -ttt -o /tmp/slog make -f Makefile -j4 -rs all slowcheck

	I got, and crunched the strace log a few days ago. I don't claim to
understand the result however; here are some higlights:

process 31829 is cloned, and execve's something sensible:

31829 1362212317.517873
execve("/home/elixir/lo/solver/unxlngx6.pro/bin/cppunit/cppunittester",
["/home/elixir/lo/solver/unxlngx6.pro/bin/cppunit/cppunittester",
"/home/elixir/lo/workdir/unxlngx6.pro/LinkTarget/CppunitTest/libtest_sw_filters_test.so", "--headless", "-env:BRAND_BASE_DIR=file:///home/elixir/lo/solver/unxlngx6.pro/unittest/install", "-env:CONFIGURATION_LAYERS=xcsxcu:file:///home/elixir/lo/solver/unxlngx6.pro/xml/registry", "-env:UNO_TYPES=file:///home/elixir/lo/solver/unxlngx6.pro/bin/offapi.rdb file:///home/elixir/lo/solver/unxlngx6.pro/bin/udkapi.rdb", "-env:UNO_SERVICES=file:///home/elixir/lo/solver/unxlngx6.pro/xml/ure/services.rdb file:///home/elixir/lo/solver/unxlngx6.pro/xml/component/basic/util/sb.component file:///home/elixir/lo/solver/unxlngx6.pro/xml/component/comphelper/util/comphelp.component f"..., "-env:URE_INTERNAL_LIB_DIR=file:///home/elixir/lo/solver/unxlngx6.pro/lib", "-env:LO_LIB_DIR=file:///home/elixir/lo/solver/unxlngx6.pro/lib", "--protector", "unoexceptionprotector.so", "unoexceptionprotector", "--protector", "unobootstrapprotector.so", "unobootstrapprotector"], [/* 747 vars */] <unfinished ...>

	This unit test goes on to fail, but rather early in it's life we get:

31829 1362212317.526748 clone(child_stack=0x2b15cea00fb0,
flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|
CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,
parent_tidptr=0x2b15cea019d0, tls=0x2b15cea01700,
child_tidptr=0x2b15cea019d0) = 31830
31830 1362212317.526804 set_robust_list(0x2b15cea019e0, 0x18
<unfinished ...>

	A new thread - 31830 - which does exactly nothing except fiddling with
futexes:

31830 1362225668.627412 futex(0x2b15cd5c3360, FUTEX_WAKE_PRIVATE, 1) = 0
31830 1362225668.627477 futex(0x2b15cd5c35cc, FUTEX_WAIT_BITSET_PRIVATE|
FUTEX_CLOCK_REALTIME, 2663, {1362225678, 627393000}, ffffffff) = -1
ETIMEDOUT (Connection timed out)

	for the rest of it's life - and I assu



-- 
michael.meeks at suse.com  <><, Pseudo Engineer, itinerant idiot