On Jul 16, 2024, at 23:45, Mark Millard <mark...@yahoo.com> wrote:

> On Jul 16, 2024, at 18:41, Mark Millard <mark...@yahoo.com> wrote:
> 
>> On Jul 16, 2024, at 11:37, Mark Millard <mark...@yahoo.com> wrote:
>> 
>>> On Jul 16, 2024, at 10:42, Mark Millard <mark...@yahoo.com> wrote:
>>> 
>>>> No longer is the problem only observed on ampere2! But this was with
>>>> a non-debug, personally built kernel that has some of my now patches.
>>>> I'll see if I can replicate the issue with an official pkgbase debug
>>>> kernel.
>>> 
>>> It replicated with the official pkgbase debug kernel. The
>>> kernel did not report anything.
>>> 
>>> The following commits in main and happen between the last working
>>> ampere2 armv7 builds and the first failing ampere2 builds and
>>> look be the only likely contributors from that range as far as
>>> I could tell:
>>> 
>>> Tue, 27 Feb 2024
>>> . . .
>>> • git: 1df8700aa6cf - main - PP mutexes: unlock: Reset inherited prio 
>>> regardless of privileges Olivier Certner 
>>> • git: 9ac3ac9ece62 - main - PP mutexes: lock: Check if priority is too 
>>> high against base one Olivier Certner 
>>> • git: 39e4665c9694 - main - PP mutexes: lock: Reduce 'umtx_lock' holding 
>>> before taking the user lock Olivier Certner
>>> 
>>> These changes are not in 14.0-RELEASE but are in 14.1-STABLE and 
>>> 14.1-RELEASE.
>>> So I expect that when any ampere*'s progress to 14.1-RELEASE the armv7
>>> problems would start for them.
>>> 
>>> These changes are not in 13.3-RELEASE but are in 13.3-STABLE. So I expect 
>>> that
>>> when any ampere*'s progress to 13.4-RELEASE the problems would start for 
>>> them.
>>> 
>>> 
>>> With the prior packages already built in a prior poudriere-devel
>>> run it turns out that just:
>>> 
>>> # poudriere bulk -j main-armv7-poud -i graphics/graphviz
>>> 
>>> replicates the problem:
>>> 
>>> . . .
>>> [00:00:45] Installing graphics/graphviz | graphviz-9.0.0_4
>>> [aarch64PBase] Installing graphviz-9.0.0_4...
>>> [aarch64PBase] `-- Installing cairo-1.17.4_2,3...
>>> [aarch64PBase] |   `-- Installing fontconfig-2.15.0_2,1...
>>> [aarch64PBase] |   | `-- Installing expat-2.6.2...
>>> [aarch64PBase] |   | `-- Extracting expat-2.6.2: 100%
>>> [aarch64PBase] |   | `-- Installing freetype2-2.13.2...
>>> [aarch64PBase] |   |   `-- Installing brotli-1.1.0,1...
>>> [aarch64PBase] |   |   `-- Extracting brotli-1.1.0,1: 100%
>>> [aarch64PBase] |   |   `-- Installing png-1.6.43...
>>> [aarch64PBase] |   |   `-- Extracting png-1.6.43: 100%
>>> [aarch64PBase] |   | `-- Extracting freetype2-2.13.2: 100%
>>> [aarch64PBase] |   `-- Extracting fontconfig-2.15.0_2,1: 100%
>>> [aarch64PBase] |   `-- Installing glib-2.80.4,2...
>>> [aarch64PBase] |   | `-- Installing libffi-3.4.6...
>>> [aarch64PBase] |   | `-- Extracting libffi-3.4.6: 100%
>>> [aarch64PBase] |   | `-- Installing libiconv-1.17_1...
>>> [aarch64PBase] |   | `-- Extracting libiconv-1.17_1: 100%
>>> [aarch64PBase] |   | `-- Installing pcre2-10.43...
>>> [aarch64PBase] |   | `-- Extracting pcre2-10.43: 100%
>>> [aarch64PBase] |   | `-- Installing py311-packaging-24.1...
>>> [aarch64PBase] |   |   `-- Installing python311-3.11.9_1...
>>> [aarch64PBase] |   |   | `-- Installing mpdecimal-4.0.0...
>>> [aarch64PBase] |   |   | `-- Extracting mpdecimal-4.0.0: 100%
>>> [aarch64PBase] |   |   | `-- Installing readline-8.2.10...
>>> [aarch64PBase] |   |   | `-- Extracting readline-8.2.10: 100%
>>> [aarch64PBase] |   |   `-- Extracting python311-3.11.9_1: 100%
>>> [aarch64PBase] |   | `-- Extracting py311-packaging-24.1: 100%
>>> [aarch64PBase] |   `-- Extracting glib-2.80.4,2: 100%
>>> [aarch64PBase] |   `-- Installing libglvnd-1.7.0...
>>> [aarch64PBase] |   `-- Extracting libglvnd-1.7.0: 100%
>>> [aarch64PBase] |   `-- Installing pixman-0.42.2...
>>> [aarch64PBase] |   `-- Extracting pixman-0.42.2: 100%
>>> [aarch64PBase] `-- Extracting cairo-1.17.4_2,3: 100%
>>> [aarch64PBase] `-- Installing harfbuzz-9.0.0...
>>> [aarch64PBase] |   `-- Installing graphite2-1.3.14...
>>> [aarch64PBase] |   `-- Extracting graphite2-1.3.14: 100%
>>> [aarch64PBase] `-- Extracting harfbuzz-9.0.0: 100%
>>> [aarch64PBase] `-- Installing jpeg-turbo-3.0.3...
>>> [aarch64PBase] `-- Extracting jpeg-turbo-3.0.3: 100%
>>> [aarch64PBase] `-- Installing libgd-2.3.3_13,1...
>>> [aarch64PBase] |   `-- Installing tiff-4.6.0...
>>> [aarch64PBase] |   | `-- Installing jbigkit-2.1_3...
>>> [aarch64PBase] |   | `-- Extracting jbigkit-2.1_3: 100%
>>> [aarch64PBase] |   | `-- Installing lerc-4.0.0...
>>> [aarch64PBase] |   | `-- Extracting lerc-4.0.0: 100%
>>> [aarch64PBase] |   | `-- Installing libdeflate-1.20...
>>> [aarch64PBase] |   | `-- Extracting libdeflate-1.20: 100%
>>> [aarch64PBase] |   | `-- Installing zstd-1.5.6...
>>> [aarch64PBase] |   |   `-- Installing liblz4-1.9.4_1,1...
>>> [aarch64PBase] |   |   `-- Extracting liblz4-1.9.4_1,1: 100%
>>> [aarch64PBase] |   | `-- Extracting zstd-1.5.6: 100%
>>> [aarch64PBase] |   `-- Extracting tiff-4.6.0: 100%
>>> [aarch64PBase] |   `-- Installing webp-1.4.0_1...
>>> [aarch64PBase] |   | `-- Installing giflib-5.2.2...
>>> [aarch64PBase] |   | `-- Extracting giflib-5.2.2: 100%
>>> [aarch64PBase] |   `-- Extracting webp-1.4.0_1: 100%
>>> [aarch64PBase] `-- Extracting libgd-2.3.3_13,1: 100%
>>> [aarch64PBase] `-- Installing libltdl-2.4.7...
>>> [aarch64PBase] `-- Extracting libltdl-2.4.7: 100%
>>> [aarch64PBase] `-- Installing pango-1.52.2_1...
>>> [aarch64PBase] |   `-- Installing fribidi-1.0.15...
>>> [aarch64PBase] |   `-- Extracting fribidi-1.0.15: 100%
>>> [aarch64PBase] |   `-- Installing libXft-2.3.8...
>>> [aarch64PBase] |   `-- Extracting libXft-2.3.8: 100%
>>> [aarch64PBase] |   `-- Installing libthai-0.1.29_1...
>>> [aarch64PBase] |   | `-- Installing libdatrie-0.2.13_2...
>>> [aarch64PBase] |   | `-- Extracting libdatrie-0.2.13_2: 100%
>>> [aarch64PBase] |   `-- Extracting libthai-0.1.29_1: 100%
>>> [aarch64PBase] `-- Extracting pango-1.52.2_1: 100%
>>> [aarch64PBase] Extracting graphviz-9.0.0_4: 100%
>>> 
>>> And here it is hung with /usr/local/bin/dot -c in urdlck :
>>> 
>>> 0  1483  4502 7  68  0 15760  4872 wait     I+    0    0:03.92 | |   `-- 
>>> /usr/local/libexec/poudriere/sh -e -o pipefail 
>>> /usr/local/share/poudriere/bulk.sh -j main-armv7-poud -i graphics/graphviz
>>> 0  1894  1483 5  68  0 15760  4712 nanslp   S     0    0:02.07 | |     |-- 
>>> sh: poudriere[main-armv7-poud-default]: html_json_main (sh)
>>> 0 25321  1483 6  68  0  6664  3868 wait     I+J   0    0:00.11 | |     `-- 
>>> /usr/bin/make -C /usr/ports/graphics/graphviz install-package
>>> 0 25322 25321 5  68  0 11140  8860 wait     I+J   0    0:00.00 | |       
>>> `-- /usr/local/sbin/pkg-static add /packages/All/graphviz-9.0.0_4.pkg
>>> 0 25323 25322 5  20  0 63824 45144 select   S+J   0    0:02.85 | |         
>>> `-- /usr/local/sbin/pkg-static add /packages/All/graphviz-9.0.0_4.pkg
>>> 0 26900 25323 3  68  0 26292 23804 urdlck   I+J   0    0:00.02 | |          
>>>  `-- /usr/local/bin/dot -c
>>> 
>>> 
>>>> FYI for the replication that I got:
>>>> 
>>>> /usr/local/sbin/pkg-static add -A /packages/All/graphviz-9.0.0_4.pkg
>>>> runs:
>>>> /usr/local/bin/dot -c
>>>> 
>>>> each such /usr/local/bin/dot is stuck at MWCHAN urdlck .
>>>> 
>>>> # poudriere status -b
>>>> [main-armv7-poud-default] [2024-07-16_04h27m31s] [parallel_build] Queued: 
>>>> 449 Built: 433 Failed: 0   Skipped: 0   Ignored: 0   Fetched: 0   Tobuild: 
>>>> 16   Time: 04:44:38
>>>> ID  TOTAL                            ORIGIN   PKGNAME                      
>>>>        PHASE PHASE    TMPFS    CPU% MEM%
>>>> [01] 00:59:45 graphics/rubygem-ruby-graphviz | rubygem-ruby-graphviz-1.2.5 
>>>>   run-depends 00:59:30 1.59 GiB   0% 0.2%
>>>> [02] 00:49:59           graphics/p5-GraphViz | p5-GraphViz-2.25            
>>>> build-depends 00:49:53 1.45 GiB   0% 0.2%
>>>> [03] 00:59:45        graphics/py-pydot@py311 | py311-pydot-2.0.0           
>>>>   run-depends 00:59:34 1.47 GiB   0% 0.2%
>>>> [04] 00:59:45   graphics/py-pygraphviz@py311 | py311-pygraphviz-1.6        
>>>>   lib-depends 00:59:33 1.47 GiB   0% 0.2%
>>>> [05] 00:58:57     graphics/py-graphviz@py311 | py311-graphviz-0.10.1       
>>>>   run-depends 00:58:49 1.47 GiB   0% 0.2%
>>>> [06] 00:59:20                     audio/ganv | ganv-1.8.2_1                
>>>>   lib-depends 00:59:10 1.53 GiB   0% 0.2%
>>>> [07] 00:59:45                    devel/libr3 | libr3-1.0.0_2               
>>>>   lib-depends 00:59:19 1.54 GiB   0% 0.3%
>>>> [08] 00:59:45                     net/netmap | netmap-0.1.3_2              
>>>>   run-depends 00:59:22 1.46 GiB   0% 0.3%
>>>> 
>>>> I had started the bulk build via the list:
>>>> 
>>>> # more ~/origins/ampere2-failures-armv7.txt
>>>> audio/ganv
>>>> devel/doxygen
>>>> devel/libr3
>>>> graphics/p5-GraphViz
>>>> graphics/p5-GraphViz2
>>>> graphics/oyranos
>>>> graphics/pear-Image_GraphViz@php81
>>>> graphics/py-graphviz@py311
>>>> graphics/py-pydot@py311
>>>> graphics/py-pygraphviz@py311
>>>> graphics/rubygem-ruby-graphviz
>>>> math/ggobi
>>>> net-mgmt/librenms
>>>> net/netmap
>>>> print/dot2tex@py311
>>>> 
>>>> # poudriere bulk -j main-armv7-poud `cat 
>>>> ~/origins/ampere2-failures-armv7.txt`
>>>> . . .
>>>> [00:00:12] Building 449 packages using up to 8 builders
>>>> . . .
>>>> [03:44:55] [01] [00:18:54] Finished   graphics/graphviz | 
>>>> graphviz-9.0.0_4: Success
>>>> [03:44:56] [01] [00:00:00] Building   graphics/rubygem-ruby-graphviz | 
>>>> rubygem-ruby-graphviz-1.2.5
>>>> [03:44:56] [03] [00:00:00] Building   graphics/py-pydot@py311 | 
>>>> py311-pydot-2.0.0
>>>> [03:44:56] [04] [00:00:00] Building   graphics/py-pygraphviz@py311 | 
>>>> py311-pygraphviz-1.6
>>>> [03:44:56] [07] [00:00:00] Building   devel/libr3 | libr3-1.0.0_2
>>>> [03:44:56] [08] [00:00:00] Building   net/netmap | netmap-0.1.3_2
>>>> [03:45:21] [06] [00:09:33] Finished   x11-toolkits/gtkmm24 | 
>>>> gtkmm24-2.24.5_4: Success
>>>> [03:45:21] [06] [00:00:00] Building   audio/ganv | ganv-1.8.2_1
>>>> [03:45:44] [05] [00:13:33] Finished   graphics/ImageMagick6@nox11 | 
>>>> ImageMagick6-nox11-6.9.12.77_9,1: Success
>>>> [03:45:44] [05] [00:00:00] Building   graphics/py-graphviz@py311 | 
>>>> py311-graphviz-0.10.1
>>>> [03:54:42] [02] [00:24:53] Finished   print/texlive-base | 
>>>> texlive-base-20240312: Success
>>>> [03:54:42] [02] [00:00:00] Building   graphics/p5-GraphViz | 
>>>> p5-GraphViz-2.25
>>>> 
>>>> In /usr/src/sys/kern/kern_umtx.c there is:
>>>> 
>>>> static int
>>>> do_rw_rdlock(struct thread *td, struct urwlock *rwlock, long fflag,
>>>> struct _umtx_time *timeout)
>>>> {
>>>> . . .
>>>>             /*
>>>>              * Contention bit is set, before sleeping, increase
>>>>              * read waiter count.
>>>>              */
>>>>             rv = fueword32(&rwlock->rw_blocked_readers,
>>>>                 &blocked_readers);
>>>>             if (rv == 0)
>>>>                     rv = suword32(&rwlock->rw_blocked_readers,
>>>>                         blocked_readers + 1);
>>>>             if (rv == -1) {
>>>>                     umtxq_unbusy_unlocked(&uq->uq_key);
>>>>                     error = EFAULT;
>>>>                     break;
>>>>             }
>>>>               while (state & wrflags) {
>>>>                     umtxq_lock(&uq->uq_key);
>>>>                     umtxq_insert(uq);
>>>>                     umtxq_unbusy(&uq->uq_key);
>>>>                       error = umtxq_sleep(uq, "urdlck", timeout == NULL ?
>>>>                         NULL : &timo);
>>>>                       umtxq_busy(&uq->uq_key);
>>>>                     umtxq_remove(uq);
>>>>                     umtxq_unlock(&uq->uq_key);
>>>>                     if (error)
>>>>                             break;
>>>>                     rv = fueword32(&rwlock->rw_state, &state);
>>>>                     if (rv == -1) {
>>>>                             error = EFAULT;
>>>>                             break;
>>>>                     }
>>>>             }
>>>> 
>>>> . . .
>>>> 
>>>> 
>>>> 
>>>> For reference:
>>>> 
>>>> # ps -alxdww | less
>>>> UID   PID  PPID C PRI NI   VSZ   RSS MWCHAN   STAT TT         TIME COMMAND
>>>> . . .
>>>> 0 87700  4522 6  20  0 16576  1888 -        T     0      0:00.01 | |   |-- 
>>>> vi /usr/local/share/poudriere/jail.sh
>>>> 0 91496  4522 4  20  0 15760  4684 select   S+    0      0:06.88 | |   `-- 
>>>> /usr/local/libexec/poudriere/sh -e -o pipefail 
>>>> /usr/local/share/poudriere/bulk.sh audio/ganv devel/doxygen devel/libr3 
>>>> graphics/p5-GraphViz graphics/p5-GraphViz2 graphics/oyranos 
>>>> graphics/pear-Image_GraphViz@php81 graphics/py-graphviz@py311 
>>>> graphics/py-pydot@py311 graphics/py-pygraphviz@py311 
>>>> graphics/rubygem-ruby-graphviz math/ggobi net-mgmt/librenms net/netmap 
>>>> print/dot2tex@py311
>>>> 0 37688 91496 0  68  0 15760  4700 wait     I     0      0:00.05 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][01]: build_pkg 
>>>> (rubygem-ruby-graphviz-1.2.5) (sh)
>>>> 0 47568 37688 0  68  0  6664  3664 wait     IJ    0      0:00.03 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/graphics/rubygem-ruby-graphviz run-depends
>>>> 0 47598 47568 6  68  0  5568  2988 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 47743 47598 6  68  0 11188  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 47747 47743 3  20  0 71692 48984 select   SJ    0      0:04.26 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 56383 47747 1  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 37700 91496 6  68  0 15760  4700 wait     I     0      0:00.04 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][03]: build_pkg 
>>>> (py311-pydot-2.0.0) (sh)
>>>> 0 45102 37700 2  68  0  6668  3704 wait     IJ    0      0:00.02 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/graphics/py-pydot FLAVOR=py311 run-depends
>>>> 0 45156 45102 4  68  0  5584  2992 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 45215 45156 4  68  0 11144  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 45218 45215 4  20  0 51420 31512 select   SJ    0      0:02.68 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 52147 45218 2  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 37721 91496 1  68  0 15760  4700 wait     I     0      0:00.04 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][04]: build_pkg 
>>>> (py311-pygraphviz-1.6) (sh)
>>>> 0 45937 37721 1  68  0  6684  3744 wait     IJ    0      0:00.03 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/graphics/py-pygraphviz FLAVOR=py311 
>>>> lib-depends
>>>> 0 46009 45937 7  68  0  5584  2992 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 46127 46009 7  68  0 11144  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 46129 46127 1  20  0 51384 31548 select   SJ    0      0:02.73 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 53311 46129 4  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 37744 91496 7  45  0 15760  4692 wait     I     0      0:00.04 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][07]: build_pkg (libr3-1.0.0_2) 
>>>> (sh)
>>>> 0 55198 37744 0  50  0  6664  3664 wait     IJ    0      0:00.03 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/devel/libr3 lib-depends
>>>> 0 55229 55198 0  68  0  5588  2988 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 55594 55229 7  68  0 11168  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 55596 55594 2  20  0 69796 50180 select   SJ    0      0:04.53 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 62753 55596 0  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 37763 91496 4  29  0 15760  4696 wait     I     0      0:00.05 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][08]: build_pkg (netmap-0.1.3_2) 
>>>> (sh)
>>>> 0 51054 37763 6  36  0  6636  3684 wait     IJ    0      0:00.03 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/net/netmap run-depends
>>>> 0 51107 51054 3  68  0  5568  2988 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 51576 51107 3  68  0 11168  8860 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 51580 51576 3  20  0 68220 49432 select   SJ    0      0:04.27 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 59063 51580 6  68  0 26292 23808 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 53709 91496 1  68  0 15760  4700 wait     I     0      0:00.04 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][06]: build_pkg (ganv-1.8.2_1) 
>>>> (sh)
>>>> 0 63371 53709 6  68  0  6636  3668 wait     IJ    0      0:00.03 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/audio/ganv lib-depends
>>>> 0 63377 63371 1  68  0  5580  2996 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 63413 63377 4  68  0 11180  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 63414 63413 3  20  0 56212 35980 select   SJ    0      0:02.21 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 65577 63414 6  68  0 26292 23812 urdlck   IJ    0      0:00.01 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 63365 91496 3  68  0 15760  4696 wait     I     0      0:00.03 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][02]: build_pkg 
>>>> (p5-GraphViz-2.25) (sh)
>>>> 0 63807 63365 7  68  0  6696  3672 wait     IJ    0      0:00.02 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/graphics/p5-GraphViz build-depends
>>>> 0 63808 63807 2  68  0  5568  2988 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 63833 63808 4  68  0 11188  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 63834 63833 7  20  0 67400 48532 select   SJ    0      0:03.52 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 66041 63834 2  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 69974 91496 1  68  0 15760  4700 wait     I     0      0:00.04 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default][05]: build_pkg 
>>>> (py311-graphviz-0.10.1) (sh)
>>>> 0 73474 69974 5  68  0  6684  3740 wait     IJ    0      0:00.02 | |     | 
>>>> `-- /usr/bin/make -C /usr/ports/graphics/py-graphviz FLAVOR=py311 
>>>> run-depends
>>>> 0 73496 73474 6  68  0  5584  2992 wait     IJ    0      0:00.01 | |     | 
>>>>   `-- /bin/sh /usr/ports/Mk/Scripts/do-depends.sh
>>>> 0 73521 73496 7  68  0 11144  8864 wait     IJ    0      0:00.00 | |     | 
>>>>     `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 73522 73521 0  20  0 52432 32664 select   SJ    0      0:02.70 | |     | 
>>>>       `-- /usr/local/sbin/pkg-static add -A 
>>>> /packages/All/graphviz-9.0.0_4.pkg
>>>> 0 76540 73522 3  68  0 26292 23812 urdlck   IJ    0      0:00.02 | |     | 
>>>>         `-- /usr/local/bin/dot -c
>>>> 0 91907 91496 5  68  0 15760  4492 nanslp   S     0      1:05.17 | |     
>>>> |-- sh: poudriere[main-armv7-poud-default]: html_json_main (sh)
>>>> 0 99134 91496 1  40  0 15760  4740 piperd   I     0      0:03.22 | |     
>>>> `-- sh: poudriere[main-armv7-poud-default]: pkg_cacher_main (sh)
>>>> 0 23
>> 
>> 
>> A little bit more context for /usr/local/bin/dot :
>> 
>> 0x20631520 in _umtx_op () from /lib/libsys.so.7
>> (gdb) bt
>> #0  0x20631520 in _umtx_op () at /lib/libsys.so.7
>> #1  0x2063245c in _umtx_op_err () at /lib/libsys.so.7
>> #2  0x203a2da8 in ??? () at /lib/libthr.so.3
>> #3  0x2039bbf4 in ??? () at /lib/libthr.so.3
>> #4  0x20061788 in ??? () at /libexec/ld-elf.so.1
>> 
>> And the associated instance of /usr/local/sbin/pkg-static :
>> 
>> (gdb) bt
>> #0  _poll () at _poll.S:4
>> #1  0x007669e0 in __thr_poll (fds=0xd1, nfds=1, timeout=1000) at 
>> /home/pkgbuild/worktrees/main/lib/libthr/thread/thr_syscalls.c:320
>> #2  0x003602e8 in pkg_script_run_child (pid=64019, 
>> pstat=pstat@entry=0xffffc49c, inputfd=9, script_name=0x5d5c9 "POST-INSTALL") 
>> at scripts.c:303
>> #3  0x0035fc34 in pkg_script_run (pkg=0x20972e00, type=<optimized out>, 
>> upgrade=<optimized out>) at scripts.c:227
>> #4  0x00371250 in pkg_add_common (db=<optimized out>, path=<optimized out>, 
>> path@entry=0xffffda7f "/packages/All/graphviz-9.0.0_4.pkg", flags=<optimized 
>> out>, reloc=<optimized out>, remote=0x0,      local=0x0, t=0x0) at 
>> pkg_add.c:1386
>> #5  0x003707e4 in pkg_add (db=0x4, path=0x1 <error: Cannot access memory at 
>> address 0x1>, path@entry=0xffffda7f "/packages/All/graphviz-9.0.0_4.pkg", 
>> flags=1000,      location=0x766990 <__thr_poll> 
>> "\360H-\351\020\260\215\342") at pkg_add.c:1460
>> #6  0x00194544 in exec_add (argc=<optimized out>, argv=<optimized out>) at 
>> add.c:178
>> #7  0x0019f840 in main (argc=2, argv=0xffffd87c) at main.c:872
>> 
>> 
> 
> Continued experiments point in a different direction
> via an simpler test of just use of "dot -c":
> 
> # /usr/local/bin/dot -c
> Error: /usr/local/lib/graphviz/config6 is zero sized.
> 
> And after the Error: line dot is hung up like it is
> when used via pkg-static.
> 
> It seems that whatever leads to the "Error:" line
> output and that conidition's handling in dot is the
> source of the hangup.
> 
> "dot -c" generates configuration file content for
> plugins and, appearently, should not gnerate an
> empty config6 file.


Well, I get to:

(gdb) bt
#0  0x2005acc0 in dlopen () from /libexec/ld-elf.so.1
#1  0x201b87fc in vm_open (loader_data=<optimized out>, 
filename=filename@entry=0x20662540 
"/usr/local/lib/graphviz/libgvplugin_gd.so.6", advise=<optimized out>, 
advise@entry=0x0)
    at loaders/dlopen.c:211
#2  0x201b6f24 in tryall_dlopen (phandle=<optimized out>, 
phandle@entry=0xffffd978, filename=0x20662540 
"/usr/local/lib/graphviz/libgvplugin_gd.so.6", advise=0x0, vtable=0x0) at 
ltdl.c:444
#3  0x201b52d0 in try_dlopen (phandle=phandle@entry=0xffffd9b0, 
filename=<optimized out>, filename@entry=0x20665040 
"/usr/local/lib/graphviz/libgvplugin_gd.so.6", ext=0x20662599 ".6",      
advise=<optimized out>) at ltdl.c:1481
#4  0x201b4d34 in lt_dlopenadvise (filename=0x20665040 
"/usr/local/lib/graphviz/libgvplugin_gd.so.6", advise=0x0) at ltdl.c:1671
#5  lt_dlopen (filename=0x1 <error: Cannot access memory at address 0x1>) at 
ltdl.c:1626
#6  0x200e255c in ?? ()

But the dlopen does not return. One possible point of interest
is that /usr/local/lib/graphviz/libgvplugin_gd.so.6 leads to
loading a bunch of libraries, including the first/only load of
/lib/libc++.so.1 and libcxxrt.so.1 ( via
/usr/local/lib/libLerc.so.4 ).


===
Mark Millard
marklmi at yahoo.com


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