[Bug 288345] poudriere run, hanging umounts, system fails to reboot due to hanging processes
Date: Thu, 11 Dec 2025 18:17:03 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288345
--- Comment #19 from Craig Leres <leres@freebsd.org> ---
Today was my third hang in a week, second day in a row. I had several windows
on the box and tried to do a live savecore; that got into D-wait pretty
quickly. Soon almost anything I did would hang (including the sysctl panic).
Is there a problem with the way I have swap configured on this box that is
preventing savecore from working? This server runs zfs on six nvme drives.
zinc 7 % dumpon -l
mirror/gm0p2
zinc 8 % gpart show
=> 40 937703008 nda0 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
=> 40 937703008 nda1 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
=> 40 937703008 nda2 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
=> 40 937703008 nda3 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
=> 40 937703008 nda4 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
=> 40 937703008 nda5 GPT (447G)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 870590464 3 freebsd-zfs (415G)
937701376 1672 - free - (836K)
zinc 9 % gmirror list
Geom name: gm0p2
State: COMPLETE
Components: 6
Balance: load
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 2
ID: 859694810
Type: AUTOMATIC
Providers:
1. Name: mirror/gm0p2
Mediasize: 34359737856 (32G)
Sectorsize: 512
Mode: r1w1e0
Consumers:
1. Name: nda0p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 0
Flags: (null)
GenID: 0
SyncID: 2
ID: 2317411985
2. Name: nda1p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 1
Flags: (null)
GenID: 0
SyncID: 2
ID: 1611450630
3. Name: nda2p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 2
Flags: (null)
GenID: 0
SyncID: 2
ID: 2208673777
4. Name: nda3p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 3
Flags: (null)
GenID: 0
SyncID: 2
ID: 807113585
5. Name: nda4p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 4
Flags: (null)
GenID: 0
SyncID: 2
ID: 3628942691
6. Name: nda5p2
Mediasize: 34359738368 (32G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1048576
Mode: r1w1e1
State: ACTIVE
Priority: 5
Flags: (null)
GenID: 0
SyncID: 2
ID: 4233446169
zinc 13 % zpool status
pool: tank
state: ONLINE
scan: scrub repaired 0B in 00:04:54 with 0 errors on Wed Dec 10 20:04:54 2025
config:
NAME STATE READ WRITE CKSUM
tank ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
nda0p3 ONLINE 0 0 0
nda1p3 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
nda2p3 ONLINE 0 0 0
nda3p3 ONLINE 0 0 0
mirror-2 ONLINE 0 0 0
nda4p3 ONLINE 0 0 0
nda5p3 ONLINE 0 0 0
errors: No known data errors
zinc 14 % zpool list
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH
ALTROOT
tank 1.21T 1000G 236G - - 64% 80% 1.00x ONLINE -
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