[Bug 256806] panic: vm_page_free_prep: freeing mapped page

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 24 Jun 2021 14:01:33 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256806

--- Comment #2 from Niels Bakker <niels=freebsd_at_bakker.net> ---
__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55              __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct
pcpu,
(kgdb) p/x *(vm_page_t)0xfffffe0014633408
$1 = {plinks = {q = {tqe_next = 0xfffffe0006b84ef8, tqe_prev =
0xfffffe000370cf08}, s = {ss = {
        sle_next = 0xfffffe0006b84ef8}}, memguard = {p = 0xfffffe0006b84ef8, v
= 0xfffffe000370cf08}, uma = {
      slab = 0xfffffe0006b84ef8, zone = 0xfffffe000370cf08}}, listq = {tqe_next
= 0xfffffe0010d52228, 
    tqe_prev = 0xfffff80290744360}, object = 0xfffff80290744318, pindex = 0x0,
phys_addr = 0x322f55000, md = {
    pv_list = {tqh_first = 0xfffff801406ed4d8, tqh_last = 0xfffff801406ed4e0},
pv_gen = 0x72b3e843, 
    pat_mode = 0x6}, ref_count = 0x80000000, busy_lock = 0x1b85d3a2, a =
{{flags = 0x9, queue = 0x1, 
      act_count = 0x5}, _bits = 0x5010009}, order = 0xd, pool = 0x0, flags =
0x1, oflags = 0x0, psind = 0x0, 
  segind = 0xa, valid = 0xff, dirty = 0xff}
(kgdb)

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Received on Thu Jun 24 2021 - 14:01:33 UTC

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