Re: FreeBSD head -r341836 amd64->aarch64 cross-build of -r484783 ports via poudriere: devel/qt5-testlib hung-up during "Checking for POSIX monotonic clock"

From: Mark Millard <marklmi_at_yahoo.com>
Date: Wed, 19 Dec 2018 16:21:42 -0800
[I attached to the hung-up process with gdb and looked around a little.]

On 2018-Dec-19, at 13:58, Mark Millard <marklmi at yahoo.com> wrote:

> [Looks like a race or some such for devel/qt5-testlib: retry of poudreire-devel
> did not hang. The other hang-up seems to be repeating and I give some details.]
> 
> On 2018-Dec-19, at 12:20, Mark Millard <marklmi at yahoo.com> wrote:
> 
>> FYI: Based on FreeBSD head -r341836 (host and target) and ports -r484783 . This
>> was a rebuild based on going from perl5.26 to perl5.28 without updating the ports
>> tree and from system clang 6 for the prior FreeBSD-head context used to clang 7
>> this time. (I'm not attributing causes here.) poudriere was using amd64-native
>> tools for speeding up the cross-build.
>> 
>> # grep -r =perl5= /etc/ ~/src.configs/ /usr/local/etc/
>> /etc/make.conf:DEFAULT_VERSIONS+=perl5=5.28 gcc=8
>> /usr/local/etc/poudriere.d/make.conf:DEFAULT_VERSIONS+=perl5=5.28 gcc=8
>> 
>> There was also a "print/texinfo:configure/runaway" but I've not looked into
>> it at all yet and it may be a while before I do. The other ports attempted
>> built fine as far as I can tell so far.
>> 
>> 
>> The devel/qt5-testlib failure looks like:
>> 
>> [00:00:13] Building 123 packages using 28 builders
>> . . .
>> [00:49:30] [10] [00:00:00] Building devel/qt5-testlib | qt5-testlib-5.11.2
>> . . .
>> [07:31:31] [10] [06:42:01] Saved devel/qt5-testlib | qt5-testlib-5.11.2 wrkdir to: /usr/local/poudriere/data/wrkdirs/FBSDFSSDjailCortexA57-default/default/qt5-testlib-5.11.2.tar
>> [07:31:32] [10] [06:42:02] Finished devel/qt5-testlib | qt5-testlib-5.11.2: Failed: configure/runaway
>> 
>> With logs/errors/qt5-testlib-5.11.2.log showing:
>> 
>> Checking for POSIX monotonic clock... 
>> + cd /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic && /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/bin/qmake "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic
>> + cd /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic && MAKEFLAGS= make
>> =>> Killing runaway build after 21600 seconds with no output
>> =>> Cleaning up wrkdir
>> ===>  Cleaning for qt5-testlib-5.11.2
>> Killed
>> build of devel/qt5-testlib | qt5-testlib-5.11.2 ended at Wed Dec 19 06:45:42 PST 2018
>> build time: 06:41:46
>> !!! build failure encountered !!!
>> 
>> 
>> # less /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.log
>> . . .
>> test config.qtbase_corelib.libraries.librt succeeded
>> executing config test clock-monotonic
>> + cd /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic && /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/bin/qmake "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic
>> + cd /wrkdirs/usr/ports/devel/qt5-testlib/work/qtbase-everywhere-src-5.11.2/config.tests/clock-monotonic && MAKEFLAGS= make
>> 
>> 
>> Some supporting details of context:
>> 
>> # uname -apKU
>> FreeBSD FBSDFSSD 13.0-CURRENT FreeBSD 13.0-CURRENT #5 r341836M: Tue Dec 11 16:37:42 PST 2018     markmi_at_FBSDFSSD:/usr/obj/amd64_clang/amd64.amd64/usr/src/amd64.amd64/sys/GENERIC-NODBG  amd64 amd64 1300005 1300005
>> 
>> # svnlite info /usr/ports/ | grep "Re[plv]"
>> Relative URL: ^/head
>> Repository Root: svn://svn.freebsd.org/ports
>> Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
>> Revision: 484783
>> Last Changed Rev: 484783
>> 
> 
> I started poudriere up again with just the 2 needing to be rebuilt (plus
> what depends on the 2). devel/qt5-testlib quickly completed just fine:
> 
> [00:02:16] [02] [00:00:00] Building devel/qt5-testlib | qt5-testlib-5.11.2
> [00:04:54] [02] [00:02:38] Finished devel/qt5-testlib | qt5-testlib-5.11.2: Success
> 
> 
> In the prior build that had the hang-ups I looked and dor print/texinfo :
> 
> /wrkdirs/usr/ports/print/texinfo/work/texinfo-6.5/config.log shows for its
> hang-up:
> 
> . . .
> configure:6639: checking for alloca
> configure:6676: /nxb-bin/usr/bin/cc -o conftest -O2 -pipe -mcpu=cortex-a57  -DLIBICONV_PLUG -g -fno-strict-aliasing  -mcpu=cortex-a57 -DLIBICONV_PLUG -D_THREAD_SAFE   conftest.c  >&5
> configure:6676: $? = 0
> configure:6684: result: yes
> configure:6794: checking for C/C++ restrict keyword
> configure:6821: /nxb-bin/usr/bin/cc -c -O2 -pipe -mcpu=cortex-a57  -DLIBICONV_PLUG -g -fno-strict-aliasing  -mcpu=cortex-a57 -DLIBICONV_PLUG -D_THREAD_SAFE conftest.c >&5
> configure:6821: $? = 0
> configure:6829: result: __restrict
> configure:6844: checking whether // is distinct from /
> 
> 
> In the poudriere re-run print/texinfo seems to be not progressing:
> 
> root       87913    0.0  0.0  12920  3668  0  I    13:29       0:00.06 | |           `-- sh: poudriere[FBSDFSSDjailCortexA57-default][01]: build_pkg (texinfo-6.5_1,1) (sh)
> root       88869    0.0  0.0  12920  3660  0  I    13:29       0:00.00 | |             `-- sh: poudriere[FBSDFSSDjailCortexA57-default][01]: build_pkg (texinfo-6.5_1,1) (sh)
> root       88870    0.0  0.0  10412  1848  0  IJ   13:29       0:00.01 | |               `-- /usr/bin/make -C /usr/ports/print/texinfo configure
> root       88974    0.0  0.0  10272  1812  0  IJ   13:30       0:00.00 | |                 `-- /bin/sh -e -c (cd /wrkdirs/usr/ports/print/texinfo/work/texinfo-6.5 &&  _LATE_CONFIGURE_ARGS="" ;  if [ 
> root       89283    0.0  0.0  11160  2108  0  IJ   13:30       0:00.10 | |                   `-- /bin/sh ./configure --enable-nls --prefix=/usr/local --localstatedir=/var --mandir=/usr/local/man --di
> root       89692    0.0  0.0 227368 14504  0  IJ   13:30       0:00.03 | |                     `-- /usr/local/bin/qemu-aarch64-static wc //dev/null
> root       89694    0.0  0.0 227424 14596  0  IJ   13:30       0:00.01 | |                       `-- /usr/local/bin/qemu-aarch64-static wc //dev/null
> root       89695    0.0  0.0 227584 14720  0  IJ   13:30       0:00.01 | |                         `-- wc: zygote (qemu-aarch64-static)
> 
> 
> So it appears that:
> 
> /usr/local/bin/qemu-aarch64-static wc //dev/null
> 
> is hanging-up (again).
> 
> 
> Given that these are hangups I'll note that this is a Ryzen
> Threadripper 1950X context and is running under Hyper-V from
> Windows 10's 1809 update. I gave it 28 logical processors and
> have it to have the virtual NUMA topology match the topology of
> the physical hardware: "Use Hardware Topology". (Processors
> 28, NUMA nodes 2, Sockets 1, Hardware threads per core 2.)

Attaching to the stuck process via gdb and looking at the backtrace
shows:

(gdb) attach 89695
Attaching to program: /usr/local/bin/qemu-aarch64-static, process 89695
[New LWP 101548 of process 89695]
[Switching to LWP 100804 of process 89695]
_pselect () at _pselect.S:3
3	PSEUDO(pselect)

(gdb) bt
#0  _pselect () at _pselect.S:3
#1  0x00000000601da57f in __thr_pselect (count=12, rfds=0x7ffffffe3650, wfds=0x0, efds=0x0, timo=0x0, mask=0x7ffffffe3600) at /usr/src/lib/libthr/thread/thr_syscalls.c:378
#2  0x000000006004928d in do_freebsd_select (env=0x860edfb18, n=<optimized out>, rfd_addr=140736934698744, wfd_addr=<optimized out>, efd_addr=0, target_tv_addr=0)
    at /wrkdirs/usr/ports/emulators/qemu-user-static/work/qemu-bsd-user-4ef7d07/bsd-user/freebsd/os-time.h:468
#3  do_freebsd_syscall (cpu_env=0x860edfb18, num=93, arg1=12, arg2=140736934698744, arg3=0, arg4=0, arg5=0, arg6=274914043516, arg7=274913946564, arg8=6579811)
    at /wrkdirs/usr/ports/emulators/qemu-user-static/work/qemu-bsd-user-4ef7d07/bsd-user/syscall.c:1106
#4  0x000000006003903c in target_cpu_loop (env=0x860edfb18) at /wrkdirs/usr/ports/emulators/qemu-user-static/work/qemu-bsd-user-4ef7d07/bsd-user/aarch64/target_arch_cpu.h:100
#5  0x0000000060038e09 in cpu_loop (env=0xc) at /wrkdirs/usr/ports/emulators/qemu-user-static/work/qemu-bsd-user-4ef7d07/bsd-user/main.c:121
#6  0x0000000060039ecb in main (argc=<optimized out>, argv=0x7fffffffd360) at /wrkdirs/usr/ports/emulators/qemu-user-static/work/qemu-bsd-user-4ef7d07/bsd-user/main.c:513

(gdb) up
#1  0x00000000601da57f in __thr_pselect (count=12, rfds=0x7ffffffe3650, wfds=0x0, efds=0x0, timo=0x0, mask=0x7ffffffe3600) at /usr/src/lib/libthr/thread/thr_syscalls.c:378
378		ret = __sys_pselect(count, rfds, wfds, efds, timo, mask);
(gdb) print *rfds
$1 = {__fds_bits = {2048, 0 <repeats 15 times>}}

(gdb) info threads
  Id   Target Id                   Frame 
* 1    LWP 100804 of process 89695 _pselect () at _pselect.S:3
  2    LWP 101548 of process 89695 _umtx_op_err () at /usr/src/lib/libthr/arch/amd64/amd64/_umtx_op_err.S:37

(gdb) thread 2 
[Switching to thread 2 (LWP 101548 of process 89695)]
#0  _umtx_op_err () at /usr/src/lib/libthr/arch/amd64/amd64/_umtx_op_err.S:37
37	RSYSCALL_ERR(_umtx_op)

(gdb) bt
#0  _umtx_op_err () at /usr/src/lib/libthr/arch/amd64/amd64/_umtx_op_err.S:37
#1  0x00000000601d2ec0 in _thr_umtx_timedwait_uint (mtx=0x861027008, id=<optimized out>, clockid=<optimized out>, abstime=<optimized out>, shared=<optimized out>)
    at /usr/src/lib/libthr/thread/thr_umtx.c:236
#2  0x00000000601dc6f8 in cond_wait_user (cvp=<optimized out>, mp=0x860515b00, abstime=0x0, cancel=1) at /usr/src/lib/libthr/thread/thr_cond.c:307
#3  cond_wait_common (cond=<optimized out>, mutex=<optimized out>, abstime=0x0, cancel=1) at /usr/src/lib/libthr/thread/thr_cond.c:367
#4  0x00000000601438bc in qemu_futex_wait (ev=<optimized out>, val=4294967295) at util/qemu-thread-posix.c:350
#5  qemu_event_wait (ev=0x62735d10 <rcu_call_ready_event>) at util/qemu-thread-posix.c:445
#6  0x000000006014a92a in call_rcu_thread (opaque=<optimized out>) at util/rcu.c:255
#7  0x00000000601dc376 in thread_start (curthread=0x860518e00) at /usr/src/lib/libthr/thread/thr_create.c:291
#8  0x0000000000000000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffdfdfc000




===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
Received on Wed Dec 19 2018 - 23:21:52 UTC

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