[Bug 284621] panic during pkg upgrade

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 28 Feb 2025 20:51:48 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284621

--- Comment #6 from Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> ---
(In reply to Mark Johnston from comment #5)
Yes, it's my desktop PC and the panic happened only once during the intensive
disk write/read operations related to pkg upgrade.

(kgdb) frame 16
#16 0xffffffff80ea3bc0 in zone_release (arg=0xfffffe00da1bc000,
bucket=0xfffff802e7e75410, cnt=<optimized out>)
    at /usr/src/sys/vm/uma_core.c:4896
4896    in /usr/src/sys/vm/uma_core.c
(kgdb) p/x *zone
$2 = {uz_flags = 0xa10000, uz_size = 0x1000, uz_ctor = 0x0, uz_dtor = 0x0,
uz_smr = 0x0, uz_max_items = 0x0, 
  uz_bucket_max = 0xffffffffffffffff, uz_bucket_size = 0x1d, uz_bucket_size_max
= 0xfe, uz_sleepers = 0x0, uz_xdomain = 0xfffffe01413ecf88, 
  uz_keg = 0xfffff80003150780, uz_import = 0xffffffff80ea7320, uz_release =
0xffffffff80ea3960, uz_arg = 0xfffffe00da1bc000, uz_init = 0x0, 
  uz_fini = 0x0, uz_items = 0x0, uz_sleeps = 0x0, uz_link = {le_next = 0x0,
le_prev = 0xfffff80003150790}, uz_allocs = 0xfffffe01413ecfa0, 
  uz_frees = 0xfffffe01413ecf98, uz_fails = 0xfffffe01413ecf90, uz_name =
0xfffff80003143980, uz_ctlname = 0xfffff800031578e0, 
  uz_namecnt = 0x0, uz_bucket_size_min = 0x2, uz_reclaimers = 0x1, uz_oid =
0xfffff80003149f00, uz_warning = 0x0, uz_ratecheck = {
    tv_sec = 0x0, tv_usec = 0x0}, uz_maxaction = {ta_link = {stqe_next = 0x0},
ta_pending = 0x0, ta_priority = 0x0, ta_flags = 0x0, 
    ta_func = 0x0, ta_context = 0x0}, uz_cross_lock = {lock_object = {lo_name =
0xffffffff811e2f25, lo_flags = 0x1030000, lo_data = 0x0, 
      lo_witness = 0x0}, mtx_lock = 0x0}, uz_cpu = 0xfffffe00da1bc180}

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