https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235162
Bug ID: 235162
Summary: [panic] avl_find() succeeded inside avl_add() during
zpool -> zpool migration
Product: Base System
Version: 12.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: d...@freebsd.org
Dump header from device: /dev/gpt/swap
Architecture: amd64
Architecture Version: 2
Dump Length: 14036127744
Blocksize: 512
Compression: none
Dumptime: Wed Jan 23 18:36:11 2019
Hostname: wintermute.skunkwerks.at
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 12.0-RELEASE r341666 GENERIC
Panic String: avl_find() succeeded inside avl_add()
Dump Parity: 1555455779
Bounds: 1
Dump Status: good
Backtrace:
Reading symbols from /boot/kernel/kernel...(no debugging symbols found)...done.
0xffffffff80bcd0bd in sched_switch ()
(kgdb) #0 0xffffffff80bcd0bd in sched_switch ()
#1 0x0000000000000007 in ?? ()
#2 0xfffffe0153d766d0 in ?? ()
#3 0xffffffff80bcbc0a in cpu_search_lowest ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(kgdb)
I also have a vmcore.1 to go with it if these are of use.
System was doing just a big zfs transfer, using ~ 100GiB RAM and ~ 2/3 of all
CPU.
zfs send -LDevcR embiggen@repl | zfs recv -Fuvs zroot
about ~ 300MB/s transfer from 1 zfs pool to another local zfs pool, roughly
transferred ~2.18TB of 2.25T planned, so very close to end of it :-(
4 datasets out of 85 missing, I was afk drinking coffee.
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