Date: Tue, 10 Jun 2014 14:00:37 -0400 From: grarpamp <grarpamp@gmail.com> To: freebsd-fs@freebsd.org Subject: Re: ZFS import panic (kgdb backtrace attached) Message-ID: <CAD2Ti29vpDa2rwE5_opwV9BFmmEx62UzdgHt-tX8RoWxy2wjMw@mail.gmail.com> In-Reply-To: <201406101158.08599.jhb@freebsd.org> References: <CAD2Ti29gKmED34S5z6NEUnaGOsx8m2uPEJiPWPZLcebJ6PD-mw@mail.gmail.com> <201406101158.08599.jhb@freebsd.org>
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On Tue, Jun 10, 2014 at 11:58 AM, John Baldwin <jhb@freebsd.org> wrote:
> Can you do 'frame 7' and 'p *rt' and 'p *rt->rt_ops'?
(kgdb) frame 7
#7 0xc13cb9f4 in range_tree_vacate (rt=0xc83dc000, func=0, arg=0x0)
at /.../src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c:364
364 rt->rt_ops->rtop_vacate(rt, rt->rt_arg);
(kgdb) p *rt
$1 = {rt_root = {avl_root = 0xd6900780, avl_compar = 0xc13cb890
<range_tree_seg_compare>, avl_offset = 0, avl_numnodes = 1, avl_size =
48},
rt_space = 4294967296, rt_ops = 0x1, rt_arg = 0x0, rt_histogram = {0
<repeats 64 times>}, rt_lock = 0xc8309000}
(kgdb) p *rt->rt_ops
Cannot access memory at address 0x1
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