The following reply was made to PR kern/150544; it has been noted by GNATS.
From: jhell <jh...@dataix.net>
To: Andriy Gapon <a...@icyb.net.ua>
Cc: "Vladislav V. Prodan" <univers...@ukr.net>, bug-follo...@freebsd.org
Subject: Re: kern/150544: Panic, when viewing the list of ZFS snapshots
Date: Tue, 14 Sep 2010 02:38:25 -0400
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On 09/14/2010 02:19, Andriy Gapon wrote:
> Looks like unimplemented vop_lock1.
> I think that default implementation usually comes in via default_vnodeops,
> but
> can be locally overridden.
> What kind of a vnode is this? Can you print *vp in e.g. frame 8?
Attached.
Thanks for looking into this.
- --
jhell,v
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#8 0x806fdfbc in _vn_lock (vp=0x8b65da78, flags=525312,
file=0x80cee192
"/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/gfs.c",
line=437) at vnode_if.h:859
859 vnode_if.h: No such file or directory.
in vnode_if.h
(kgdb) p *vp
$1 = {v_type = VNON, v_tag = 0x80cf5f8d "zfs", v_op = 0x80d0fea0, v_data =
0x0, v_mount = 0x0,
v_nmntvnodes = {tqe_next = 0x0, tqe_prev = 0x0}, v_un = {vu_mount = 0x0,
vu_socket = 0x0,
vu_cdev = 0x0, vu_fifoinfo = 0x0, vu_yield = 0}, v_hashlist = {le_next =
0x0, le_prev = 0x0},
v_hash = 0, v_cache_src = {lh_first = 0x0}, v_cache_dst = {tqh_first = 0x0,
tqh_last = 0x8b65daa8}, v_cache_dd = 0x0, v_cstart = 0, v_lasta = 0,
v_lastw = 0, v_clen = 0,
v_lock = {lock_object = {lo_name = 0x80cf5f8d "zfs", lo_flags = 91422728,
lo_data = 0,
lo_witness = 0x0}, lk_lock = 1, lk_timo = 51, lk_pri = 80}, v_interlock
= {lock_object = {
lo_name = 0x80991811 "vnode interlock", lo_flags = 16973824, lo_data =
0, lo_witness = 0x0},
mtx_lock = 4}, v_vnlock = 0x8b65dad0, v_holdcnt = 1, v_usecount = 1,
v_iflag = 0, v_vflag = 0,
v_writecount = 0, v_freelist = {tqe_next = 0x0, tqe_prev = 0x0}, v_bufobj =
{bo_mtx = {
lock_object = {lo_name = 0x80991821 "bufobj interlock", lo_flags =
16973824, lo_data = 0,
lo_witness = 0x0}, mtx_lock = 4}, bo_clean = {bv_hd = {tqh_first =
0x0,
tqh_last = 0x8b65db34}, bv_root = 0x0, bv_cnt = 0}, bo_dirty = {bv_hd
= {tqh_first = 0x0,
tqh_last = 0x8b65db44}, bv_root = 0x0, bv_cnt = 0}, bo_numoutput = 0,
bo_flag = 0,
bo_ops = 0x809ed6c0, bo_bsize = 65536, bo_object = 0x0, bo_synclist =
{le_next = 0x0,
le_prev = 0x0}, bo_private = 0x8b65da78, __bo_vnode = 0x8b65da78},
v_pollinfo = 0x0,
v_label = 0x0, v_lockf = 0x0}
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