Date: Sat, 25 Feb 2012 02:58:28 +0900 (JST) From: Hiroki Sato <hrs@FreeBSD.org> To: kostikbel@gmail.com Cc: stable@FreeBSD.org Subject: Re: another panic in 8.3-PRERELEASE Message-ID: <20120225.025828.128418237042325597.hrs@allbsd.org> In-Reply-To: <20120224150259.GV55074@deviant.kiev.zoral.com.ua> References: <20120223.234558.1101656075598772176.hrs@allbsd.org> <20120224143336.GS55074@deviant.kiev.zoral.com.ua> <20120224150259.GV55074@deviant.kiev.zoral.com.ua>
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Konstantin Belousov <kostikbel@gmail.com> wrote
in <20120224150259.GV55074@deviant.kiev.zoral.com.ua>:
ko> > > #19 0x0000000800abecfc in ?? ()
ko> > > Previous frame inner to this frame (corrupt stack?)
ko> > > (kgdb)
ko> > Can you, please, print out the content of *td, e.g. from the fram=
e 16 ?
ko> =
ko> And *req from the frame 11, please.
Here:
(kgdb) f 16
#16 0xffffffff80675e3a in __sysctl (td=3D0xffffff0396ec5460, =
uap=3D0xffffff86c6389bc0) at /usr/src/sys/kern/kern_sysctl.c:1491
1491 error =3D userland_sysctl(td, name, uap->namelen,
(kgdb) print *td
$2 =3D {td_lock =3D 0xffffffff80d7f540, td_proc =3D 0xffffff03969bf470,=
td_plist =3D {
tqe_next =3D 0x0, tqe_prev =3D 0xffffff03969bf480}, td_runq =3D {tq=
e_next =3D 0x0, =
tqe_prev =3D 0xffffffff80d7f788}, td_slpq =3D {tqe_next =3D 0x0, =
tqe_prev =3D 0xffffff0396ebe800}, td_lockq =3D {tqe_next =3D 0x0, =
tqe_prev =3D 0xffffff86c57b48a0}, td_cpuset =3D 0xffffff0005789dc8,=
=
td_sel =3D 0xffffff01b5dd0500, td_sleepqueue =3D 0xffffff0396ebe800, =
td_turnstile =3D 0xffffff01334cf600, td_umtxq =3D 0xffffff0396ec3a80,=
=
td_tid =3D 100763, td_sigqueue =3D {sq_signals =3D {__bits =3D {0, 0,=
0, 0}}, =
sq_kill =3D {__bits =3D {0, 0, 0, 0}}, sq_list =3D {tqh_first =3D 0=
x0, =
tqh_last =3D 0xffffff0396ec5500}, sq_proc =3D 0xffffff03969bf470,=
=
sq_flags =3D 1}, td_flags =3D 65540, td_inhibitors =3D 0, td_pflags=
=3D 0, =
td_dupfd =3D 0, td_sqqueue =3D 0, td_wchan =3D 0x0, td_wmesg =3D 0x0,=
=
td_lastcpu =3D 4 '\004', td_oncpu =3D 4 '\004', td_owepreempt =3D 0 '=
\0', =
td_tsqueue =3D 255 '=FF', td_locks =3D 4, td_rw_rlocks =3D 0, td_lk_s=
locks =3D 0, =
td_blocked =3D 0x0, td_lockname =3D 0x0, td_contested =3D {lh_first =3D=
0x0}, =
td_sleeplocks =3D 0xffffffff80ecebf0, td_intr_nesting_level =3D 0, =
td_pinned =3D 0, td_ucred =3D 0xffffff007d537b00, td_estcpu =3D 0, td=
_slptick =3D 0, =
td_blktick =3D 0, td_ru =3D {ru_utime =3D {tv_sec =3D 0, tv_usec =3D =
0}, ru_stime =3D {
tv_sec =3D 0, tv_usec =3D 0}, ru_maxrss =3D 1864, ru_ixrss =3D 66=
288, =
ru_idrss =3D 1347856, ru_isrss =3D 176768, ru_minflt =3D 263901, ru=
_majflt =3D 10, =
ru_nswap =3D 0, ru_inblock =3D 0, ru_oublock =3D 0, ru_msgsnd =3D 0=
, =
ru_msgrcv =3D 0, ru_nsignals =3D 0, ru_nvcsw =3D 14937, ru_nivcsw =3D=
3286}, =
td_incruntime =3D 0, td_runtime =3D 15204044088, td_pticks =3D 15, td=
_sticks =3D 15, =
td_iticks =3D 0, td_uticks =3D 0, td_intrval =3D 0, td_oldsigmask =3D=
{__bits =3D {0, =
0, 0, 0}}, td_sigmask =3D {__bits =3D {0, 0, 0, 0}}, td_generatio=
n =3D 18223, =
td_sigstk =3D {ss_sp =3D 0x0, ss_size =3D 0, ss_flags =3D 4}, td_xsig=
=3D 0, =
td_profil_addr =3D 0, td_profil_ticks =3D 0, =
td_name =3D "top", '\0' <repeats 16 times>, td_fpop =3D 0x0, td_dbgfl=
ags =3D 0, =
td_dbgksi =3D {ksi_link =3D {tqe_next =3D 0x0, tqe_prev =3D 0x0}, ksi=
_info =3D {
si_signo =3D 0, si_errno =3D 0, si_code =3D 0, si_pid =3D 0, si_u=
id =3D 0, =
si_status =3D 0, si_addr =3D 0x0, si_value =3D {sival_int =3D 0, =
sival_ptr =3D 0x0, sigval_int =3D 0, sigval_ptr =3D 0x0}, _reas=
on =3D {
_fault =3D {_trapno =3D 0}, _timer =3D {_timerid =3D 0, _overru=
n =3D 0}, =
_mesgq =3D {_mqd =3D 0}, _poll =3D {_band =3D 0}, __spare__ =3D=
{__spare1__ =3D 0, =
__spare2__ =3D {0, 0, 0, 0, 0, 0, 0}}}}, ksi_flags =3D 0, =
ksi_sigq =3D 0x0}, td_ng_outbound =3D 0, td_osd =3D {osd_nslots =3D=
0, =
osd_slots =3D 0x0, osd_next =3D {le_next =3D 0x0, le_prev =3D 0x0}}=
, =
td_rqindex =3D 32 ' ', td_base_pri =3D 128 '\200', td_priority =3D 12=
8 '\200', =
td_pri_class =3D 3 '\003', td_user_pri =3D 129 '\201', =
td_base_user_pri =3D 129 '\201', td_pcb =3D 0xffffff86c6389d10, =
td_state =3D TDS_RUNNING, td_retval =3D {0, 34375032832}, td_slpcallo=
ut =3D {
c_links =3D {sle =3D {sle_next =3D 0x0}, tqe =3D {tqe_next =3D 0x0,=
=
tqe_prev =3D 0xffffff800042ccd0}}, c_time =3D 51568077, =
c_arg =3D 0xffffff0396ec5460, c_func =3D 0xffffffff806a84c0 <sleepq=
_timeout>, =
c_lock =3D 0x0, c_flags =3D 18, c_cpu =3D 4}, td_frame =3D 0xffffff=
86c6389c50, =
td_kstack_obj =3D 0xffffff03410b20d8, td_kstack =3D 18446743553049124=
864, =
td_kstack_pages =3D 4, td_unused1 =3D 0x0, td_unused2 =3D 0, td_unuse=
d3 =3D 0, =
td_critnest =3D 0, td_md =3D {md_spinlock_count =3D 0, md_saved_flags=
=3D 70}, =
td_sched =3D 0xffffff0396ec5890, td_ar =3D 0x0, td_syscalls =3D 46992=
6, =
td_lprof =3D {{lh_first =3D 0x0}, {lh_first =3D 0x0}}, td_dtrace =3D =
0x0, =
td_errno =3D 0, td_vnet =3D 0x0, td_vnet_lpush =3D 0x0, td_rux =3D {
rux_runtime =3D 15204044088, rux_uticks =3D 226, rux_sticks =3D 114=
0, =
rux_iticks =3D 0, rux_uu =3D 0, rux_su =3D 0, rux_tu =3D 0}, =
td_map_def_user =3D 0x0, td_dbg_forked =3D 0}
(kgdb) f 11
#11 0xffffffff8065f6a6 in sysctl_out_proc_copyout (ki=3D0xffffff86c6389=
470, =
req=3D0xffffff86c63899c0) at /usr/src/sys/kern/kern_proc.c:1085
1085 error =3D SYSCTL_OUT(req, ki, sizeof(struct kinfo_proc));
(kgdb) print *req
$3 =3D {td =3D 0xffffff0396ec5460, lock =3D 2, oldptr =3D 0x800e96000, =
oldlen =3D 68217, =
oldidx =3D 1088, oldfunc =3D 0xffffffff80675e80 <sysctl_old_user>, ne=
wptr =3D 0x0, =
newlen =3D 0, newidx =3D 0, newfunc =3D 0xffffffff80675d10 <sysctl_ne=
w_user>, =
validlen =3D 68217, flags =3D 0}
(kgdb) quit
-- Hiroki
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