[Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 05 Mar 2023 07:19:56 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267028

--- Comment #94 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #93)

#7  <signal handler called>
#8  vtozoneslab (va=18446735277616529408, zone=<optimized out>, 
    slab=<optimized out>) at /usr/src/sys/vm/uma_int.h:635

looks to be the "*slab" line in:

static __inline void
vtozoneslab(vm_offset_t va, uma_zone_t *zone, uma_slab_t *slab)
{
        vm_page_t p;

        p = PHYS_TO_VM_PAGE(pmap_kextract(va));
        *slab = p->plinks.uma.slab;
        *zone = p->plinks.uma.zone;
}

For reference: 18446735277616529408 == 0xFFFFF80000000000

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