Date: Tue, 22 Jul 2014 14:26:48 -0700 From: Bryan Drewery <bdrewery@FreeBSD.org> To: current@FreeBSD.org Subject: Re: r268621: panic: shadowed tmpfs v_object [with dump] Message-ID: <53CED718.2090108@FreeBSD.org> In-Reply-To: <53CED29F.1090809@FreeBSD.org> References: <53CED27C.4080306@FreeBSD.org> <53CED29F.1090809@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 7/22/14, 2:07 PM, Bryan Drewery wrote:
> Meant to send to current@, moving there.
>
> On 7/22/14, 2:07 PM, Bryan Drewery wrote:
>> On r268621:
>>
>>> panic: shadowed tmpfs v_object 0xfffff807a7f96600
>>> cpuid = 0
>>> KDB: stack backtrace:
>>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
>>> 0xfffffe1247d67390
>>> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe1247d67440
>>> vpanic() at vpanic+0x126/frame 0xfffffe1247d67480
>>> kassert_panic() at kassert_panic+0x139/frame 0xfffffe1247d674f0
>>> vm_object_deallocate() at vm_object_deallocate+0x236/frame
>>> 0xfffffe1247d67550
>>> tmpfs_free_node() at tmpfs_free_node+0x138/frame 0xfffffe1247d67580
>>> tmpfs_reclaim() at tmpfs_reclaim+0x17d/frame 0xfffffe1247d675c0
>>> VOP_RECLAIM_APV() at VOP_RECLAIM_APV+0xf7/frame 0xfffffe1247d675f0
>>> vgonel() at vgonel+0x1a1/frame 0xfffffe1247d67660
>>> vrecycle() at vrecycle+0x3e/frame 0xfffffe1247d67690
>>> tmpfs_inactive() at tmpfs_inactive+0x4c/frame 0xfffffe1247d676b0
>>> VOP_INACTIVE_APV() at VOP_INACTIVE_APV+0xf7/frame 0xfffffe1247d676e0
>>> vinactive() at vinactive+0xc6/frame 0xfffffe1247d67730
>>> vputx() at vputx+0x27a/frame 0xfffffe1247d67790
>>> tmpfs_rename() at tmpfs_rename+0xf5/frame 0xfffffe1247d67860
>>> VOP_RENAME_APV() at VOP_RENAME_APV+0xfc/frame 0xfffffe1247d67890
>>> kern_renameat() at kern_renameat+0x3ef/frame 0xfffffe1247d67ae0
>>> amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe1247d67bf0
>>> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe1247d67bf0
>>> --- syscall (128, FreeBSD ELF64, sys_rename), rip = 0x80088b74a, rsp =
>>> 0x7fffffffe238, rbp = 0x7fffffffe710 ---
>>> Uptime: 6d4h0m3s
>>>
>>> Dump failed. Partition too small.
>>
>> Unfortunately I have no dump to debug.
>>
>
Running poudriere again after boot hit the issue right away:
> (kgdb) bt
> #0 doadump (textdump=1) at pcpu.h:219
> #1 0xffffffff809122a7 in kern_reboot (howto=260) at
> /usr/src/sys/kern/kern_shutdown.c:445
> #2 0xffffffff809127e5 in vpanic (fmt=<value optimized out>, ap=<value
> optimized out>) at /usr/src/sys/kern/kern_shutdown.c:744
> #3 0xffffffff80912679 in kassert_panic (fmt=<value optimized out>) at
> /usr/src/sys/kern/kern_shutdown.c:632
> #4 0xffffffff80ba7996 in vm_object_deallocate (object=<value
> optimized out>) at /usr/src/sys/vm/vm_object.c:562
> #5 0xffffffff820a75a8 in tmpfs_free_node (tmp=0xfffff800b5155980,
> node=0xfffff802716ba740) at
> /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_subr.c:335
> #6 0xffffffff820a363d in tmpfs_reclaim (v=<value optimized out>) at
> /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_vnops.c:1276
> #7 0xffffffff80e48717 in VOP_RECLAIM_APV (vop=<value optimized out>,
> a=<value optimized out>) at vnode_if.c:2017
> #8 0xffffffff809c1381 in vgonel (vp=0xfffff802716b61d8) at vnode_if.h:830
> #9 0xffffffff809c18be in vrecycle (vp=0xfffff802716b61d8) at
> /usr/src/sys/kern/vfs_subr.c:2655
> #10 0xffffffff820a61cc in tmpfs_inactive (v=<value optimized out>) at
> /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_vnops.c:1242
> #11 0xffffffff80e485b7 in VOP_INACTIVE_APV (vop=<value optimized out>,
> a=<value optimized out>) at vnode_if.c:1951
> #12 0xffffffff809bfd36 in vinactive (vp=0xfffff802716b61d8,
> td=0xfffff80187e29920) at vnode_if.h:807
> #13 0xffffffff809c012a in vputx (vp=0xfffff802716b61d8, func=2) at
> /usr/src/sys/kern/vfs_subr.c:2267
> #14 0xffffffff820a47c5 in tmpfs_rename (v=<value optimized out>) at
> /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_vnops.c:1023
> #15 0xffffffff80e47d3c in VOP_RENAME_APV (vop=<value optimized out>,
> a=<value optimized out>) at vnode_if.c:1544
> #16 0xffffffff809cc77f in kern_renameat (td=<value optimized out>,
> oldfd=<value optimized out>, old=<value optimized out>, newfd=<value
> optimized out>, new=<value optimized out>,
> pathseg=<value optimized out>) at vnode_if.h:636
> #17 0xffffffff80d280fa in amd64_syscall (td=0xfffff80187e29920,
> traced=0) at subr_syscall.c:133
> #18 0xffffffff80d0a64b in Xfast_syscall () at
> /usr/src/sys/amd64/amd64/exception.S:407
> (kgdb) p *(vm_object_t)0xfffff8027169f500
> $1 = {lock = {lock_object = {lo_name = 0xffffffff80fe89f6 "vm object",
> lo_flags = 90374144, lo_data = 0, lo_witness = 0xfffffe00006e7680},
> rw_lock = 18446735284191271200}, object_list = {
> tqe_next = 0xfffff8027169f400, tqe_prev = 0xfffff8027169f620},
> shadow_head = {lh_first = 0xfffff801b8489e00}, shadow_list = {le_next
> = 0x0, le_prev = 0x0}, memq = {tqh_first = 0xfffff811d966bc08,
> tqh_last = 0xfffff811d966bc18}, rtree = {rt_root =
> 18446735354278362121, rt_flags = 0 '\0'}, size = 1, generation = 1,
> ref_count = 1, shadow_count = 1, memattr = 6 '\006', type = 1 '\001',
> flags = 528, pg_color = 0, paging_in_progress = 0,
> resident_page_count = 1, backing_object = 0x0, backing_object_offset =
> 0, pager_object_list = {tqe_next = 0x0, tqe_prev = 0x0}, rvq = {
> lh_first = 0x0}, cache = {rt_root = 0, rt_flags = 0 '\0'}, handle
> = 0x0, un_pager = {vnp = {vnp_size = 0, writemappings = 0}, devp =
> {devp_pglist = {tqh_first = 0x0, tqh_last = 0x0}, ops = 0x0,
> dev = 0x0}, sgp = {sgp_pglist = {tqh_first = 0x0, tqh_last =
> 0x0}}, swp = {swp_tmpfs = 0x0, swp_bcount = 0}}, cred = 0x0, charge = 0}
> (kgdb) frame 8
> #8 0xffffffff809c1381 in vgonel (vp=0xfffff802716b61d8) at vnode_if.h:830
> 830 return (VOP_RECLAIM_APV(vp->v_op, &a));
> (kgdb) p *vp
> $2 = {v_tag = 0xffffffff820abf96 "tmpfs", v_op = 0xffffffff820ac938,
> v_data = 0x0, v_mount = 0xfffff8004733a000, v_nmntvnodes = {tqe_next =
> 0xfffff802716b6000, tqe_prev = 0xfffff802716b63d0}, v_un = {
> vu_mount = 0x0, vu_socket = 0x0, vu_cdev = 0x0, vu_fifoinfo =
> 0x0}, v_hashlist = {le_next = 0x0, le_prev = 0x0}, v_cache_src =
> {lh_first = 0x0}, v_cache_dst = {tqh_first = 0x0,
> tqh_last = 0xfffff802716b6228}, v_cache_dd = 0x0, v_lock =
> {lock_object = {lo_name = 0xffffffff820abf96 "tmpfs", lo_flags =
> 116588544, lo_data = 0, lo_witness = 0xfffffe0000711980},
> lk_lock = 18446735284191271200, lk_exslpfail = 0, lk_timo = 51,
> lk_pri = 96}, v_interlock = {lock_object = {lo_name =
> 0xffffffff80fafc26 "vnode interlock", lo_flags = 16973824, lo_data = 0,
> lo_witness = 0xfffffe00006e7500}, mtx_lock = 4}, v_vnlock =
> 0xfffff802716b6240, v_actfreelist = {tqe_next = 0xfffff80271898588,
> tqe_prev = 0xfffff8004733a078}, v_bufobj = {bo_lock = {
> lock_object = {lo_name = 0xffffffff80fb8084 "bufobj interlock",
> lo_flags = 86179840, lo_data = 0, lo_witness = 0xfffffe00006ef380},
> rw_lock = 1}, bo_ops = 0xffffffff814942a0, bo_object = 0x0,
> bo_synclist = {le_next = 0x0, le_prev = 0x0}, bo_private =
> 0xfffff802716b61d8, __bo_vnode = 0xfffff802716b61d8, bo_clean = {bv_hd
> = {tqh_first = 0x0, tqh_last = 0xfffff802716b62f8}, bv_root = {
> pt_root = 0}, bv_cnt = 0}, bo_dirty = {bv_hd = {tqh_first =
> 0x0, tqh_last = 0xfffff802716b6318}, bv_root = {pt_root = 0}, bv_cnt =
> 0}, bo_numoutput = 0, bo_flag = 0, bo_bsize = 4096},
> v_pollinfo = 0x0, v_label = 0x0, v_lockf = 0x0, v_rl = {rl_waiters =
> {tqh_first = 0x0, tqh_last = 0xfffff802716b6360}, rl_currdep = 0x0},
> v_cstart = 0, v_lasta = 0, v_lastw = 0, v_clen = 0,
> v_holdcnt = 2, v_usecount = 0, v_iflag = 2688, v_vflag = 0,
> v_writecount = 0, v_hash = 40987489, v_type = VREG}
> (kgdb) info locals
> mp = (struct mount *) 0xfffff8004733a000
> fromnd = {ni_dirp = 0x801006080 <Address 0x801006080 out of bounds>,
> ni_segflg = UIO_USERSPACE, ni_rightsneeded = {cr_rights =
> {144115188142965760, 288230376151711744}},
> ni_startdir = 0xfffff802716b63b0, ni_rootdir = 0xfffff8026b01a760,
> ni_topdir = 0xfffff8026b01a760, ni_dirfd = -100, ni_strictrelative =
> 0, ni_filecaps = {fc_rights = {cr_rights = {0, 0}},
> fc_ioctls = 0x0, fc_nioctls = -1, fc_fcntls = 0}, ni_vp =
> 0xfffff80271898588, ni_dvp = 0xfffff802716b63b0, ni_pathlen = 1,
> ni_next = 0xfffff80061ea501f "", ni_loopcnt = 0, ni_cnd = {cn_nameiop = 2,
> cn_flags = 67148812, cn_thread = 0xfffff80187e29920, cn_cred =
> 0xfffff80038911800, cn_lkflags = 524288, cn_pnbuf = 0xfffff80061ea5000
> "/var/run/ld-elf.so.hints.HTjP6A",
> cn_nameptr = 0xfffff80061ea5009 "ld-elf.so.hints.HTjP6A",
> cn_namelen = 22, cn_consume = 0}}
> tond = {ni_dirp = 0x403e66 <Address 0x403e66 out of bounds>, ni_segflg
> = UIO_USERSPACE, ni_rightsneeded = {cr_rights = {144115188080051200,
> 288230376151711744}}, ni_startdir = 0xfffff802716b63b0,
> ni_rootdir = 0xfffff8026b01a760, ni_topdir = 0xfffff8026b01a760,
> ni_dirfd = -100, ni_strictrelative = 0, ni_filecaps = {fc_rights =
> {cr_rights = {0, 0}}, fc_ioctls = 0x0, fc_nioctls = -1,
> fc_fcntls = 0}, ni_vp = 0xfffff802716b61d8, ni_dvp =
> 0xfffff802716b63b0, ni_pathlen = 1, ni_next = 0xfffff80038d69418 "",
> ni_loopcnt = 0, ni_cnd = {cn_nameiop = 3, cn_flags = 134257708,
> cn_thread = 0xfffff80187e29920, cn_cred = 0xfffff80038911800,
> cn_lkflags = 524288, cn_pnbuf = 0xfffff80038d69400
> "/var/run/ld-elf.so.hints", cn_nameptr = 0xfffff80038d69409
> "ld-elf.so.hints",
> cn_namelen = 15, cn_consume = 0}}
> rights = {cr_rights = {144115188080051200, 288230376151711744}}
> mp = (struct mount *) 0xfffff8004733a000
> error = <value optimized out>
> fvp = <value optimized out>
> tvp = <value optimized out>
> tdvp = <value optimized out>
> (kgdb) p *mp
> $9 = {mnt_mtx = {lock_object = {lo_name = 0xffffffff80f8fcec "struct
> mount mtx", lo_flags = 16973824, lo_data = 0, lo_witness =
> 0xfffffe00006e7a00}, mtx_lock = 4}, mnt_gen = 1, mnt_list = {
> tqe_next = 0xfffff80038fa9cc0, tqe_prev = 0xfffff80187b74ce8},
> mnt_op = 0xffffffff820ace60, mnt_vfc = 0xffffffff820acf80,
> mnt_vnodecovered = 0xfffff801b853e760, mnt_syncer = 0xfffff8026b01a588,
> mnt_ref = 13206, mnt_nvnodelist = {tqh_first = 0xfffff8026b01a760,
> tqh_last = 0xfffff802718985a8}, mnt_nvnodelistsize = 13205,
> mnt_activevnodelist = {tqh_first = 0xfffff802716b61d8,
> tqh_last = 0xfffff8026b01a648}, mnt_activevnodelistsize = 730,
> mnt_writeopcount = 1, mnt_kern_flag = 0, mnt_flag = 4096, mnt_opt =
> 0xfffff8000e59cc30, mnt_optnew = 0xfffff8001b9ea050,
> mnt_maxsymlinklen = 0, mnt_stat = {f_version = 537068824, f_type =
> 135, f_flags = 4096, f_bsize = 4096, f_iosize = 4096, f_blocks =
> 1835008, f_bfree = 1738991, f_bavail = 1738991, f_files = 25690112,
> f_ffree = 25676911, f_syncwrites = 0, f_asyncwrites = 0,
> f_syncreads = 0, f_asyncreads = 0, f_spare = {0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0}, f_namemax = 255, f_owner = 0, f_fsid = {val = {-2029977843,
> 135}}, f_charspare = '\0' <repeats 79 times>, f_fstypename =
> "tmpfs\000\000\000\000\000\000\000\000\000\000", f_mntfromname =
> "tmpfs", '\0' <repeats 82 times>,
> f_mntonname = "/poudriere/data/.m/exp-10amd64-commit-test/01",
> '\0' <repeats 42 times>}, mnt_cred = 0xfffff80047478700, mnt_data =
> 0xfffff800b5155980, mnt_time = 0, mnt_iosize_max = 65536,
> mnt_export = 0x0, mnt_label = 0x0, mnt_hashseed = 1147308587,
> mnt_lockref = 0, mnt_secondary_writes = 0, mnt_secondary_accwrites =
> 0, mnt_susp_owner = 0x0, mnt_gjprovider = 0x0, mnt_explock = {
> lock_object = {lo_name = 0xffffffff80f8fd0f "explock", lo_flags =
> 108199936, lo_data = 0, lo_witness = 0xfffffe000070ef80}, lk_lock = 1,
> lk_exslpfail = 0, lk_timo = 0, lk_pri = 96},
> mnt_upper_link = {tqe_next = 0x0, tqe_prev = 0x0}, mnt_uppers =
> {tqh_first = 0x0, tqh_last = 0xfffff8004733a320}}
--
Regards,
Bryan Drewery
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?53CED718.2090108>