[Bug 271945] panic: deadlres_td_sleep_q : possible deadlock detected for … (stat) | (postgres) | (LTO toml.54d28171-c) , blocked for … ticks – during poudriere-bulk(8)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271945

Jason Unovitch <junovitch@freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |junovitch@freebsd.org

--- Comment #18 from Jason Unovitch <junovitch@freebsd.org> ---
I think I'm seeing this but I have not yet seen a panic. If I have a shell open
I can Ctrl-T a poudriere bulk and catch something like this below. How it hangs
does stop any other commands/new logins/remote connections to the machine but
doesn't seem to prevent watchdogd running in the background and seeing the
machine as responsive. I've seen it stuck for 6 hours in that last one below
before doing a hard reset over IPMI.


[00:29:32] [09] [00:00:53] Finished devel/py-smmap@py39 | py39-smmap-5.0.0:
Success
[00:29:32] [09] [00:00:00] Building devel/py-gitdb@py39 | py39-gitdb-4.0.10
[00:29:41] [04] [00:00:52] Finished devel/py-pytest-runner@py39 |
py39-pytest-runner-6.0.0_1: Success
[00:29:41] [04] [00:00:00] Building textproc/py-regex@py39 |
py39-regex-2022.9.13
load: 0.08  cmd: sh 98334 [zfs teardown inactive] 5393.38r 6.27u 5.66s 0% 4748k
load: 0.07  cmd: sh 98334 [zfs teardown inactive] 5397.98r 6.27u 5.66s 0% 4748k


12 Aug 23:

[01:16:39] [02] [00:00:00] Building security/nss | nss-3.92
load: 0.13  cmd: sh 87026 [zfs teardown inactive] 13849.68r 11.38u 11.61s 0%
4676k


14 Aug post deadlock commit update

FreeBSD xts-bsd.u10ghl.net 14.0-ALPHA1 FreeBSD 14.0-ALPHA1 amd64 1400094 #0
main-n264709-543cf924bcdc: Sat Aug 12 17:59:11 UTC 2023    
jason@xyz:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG amd64


[00:57:55] [01] [00:00:00] Building www/grafana8 | grafana8-8.5.27_1
[00:59:46] [07] [00:02:53] Finished net-mgmt/semaphore | semaphore-2.8.77_8:
Success
[00:59:47] [07] [00:00:00] Building www/gitea | gitea-1.20.2_1
load: 0.12  cmd: sh 47018 [zfs teardown inactive] 4168.35r 11.38u 12.80s 0%
4676k

load: 0.09  cmd: sh 47018 [zfs teardown inactive] 4223.36r 11.38u 12.80s 0%
4676k

load: 0.08  cmd: sh 47018 [zfs teardown inactive] 4224.92r 11.38u 12.80s 0%
4676k

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