Attachment 179745 Details for Bug 216905 – kgdb inspect proc, threads

kgdb inspect proc, threads

KGDB.txt (text/plain), 19.60 KB, created by Erokhin Konstantin on 2017-02-08 08:13:04 UTC

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Creator: Erokhin Konstantin

Created: 2017-02-08 08:13:04 UTC

Size: 19.60 KB

patch

obsolete

>h-ksn-fft-fe4-10# ps HO wchan,nwchan,ppid -p 25041
>  PID WCHAN NWCHAN PPID TT  STAT         TIME COMMAND
>25041 -     -         1  -  RJ   165992:29.29 bin/udpd --config=etc/transport.cfg --subcfg=etc/transport --daemonize --pid-file=/usr/local/ksn/var/ksn.udpd.pid --trace-file=log/udpd_trace.txt --trace-level=500
>25041 -     -         1  -  TJ        1:36.89 bin/udpd --config=etc/transport.cfg --subcfg=etc/transport --daemonize --pid-file=/usr/local/ksn/var/ksn.udpd.pid --trace-file=log/udpd_trace.txt --trace-level=500
>h-ksn-fft-fe4-10# ps axHS -o pid,lwp,paddr,tdaddr 25041
>  PID    LWP            PADDR           TDADDR
>25041 100606 fffff80152b44000 fffff8036fac24b0
>25041 100799 fffff80152b44000 fffff8036fddc4b0
>h-ksn-fft-fe4-10# kgdb
>GNU gdb 6.1.1 [FreeBSD]
>Copyright 2004 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you are
>welcome to change it and/or distribute copies of it under certain conditions.
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB.  Type "show warranty" for details.
>This GDB was configured as "amd64-marcel-freebsd"...
>Reading symbols from /boot/kernel/ipfw.ko.symbols...done.
>Loaded symbols for /boot/kernel/ipfw.ko.symbols
>#0  sched_switch (td=0xffffffff8169bf30, newtd=<value optimized out>, flags=<value optimized out>) at /usr/src/sys/kern/sched_ule.c:1945
>1945    /usr/src/sys/kern/sched_ule.c: No such file or directory.
>        in /usr/src/sys/kern/sched_ule.c
>(kgdb) p *(struct proc *)0xfffff80152b44000
>$5 = {
>  p_list = {
>    le_next = 0xfffff80451eb84f0,
>    le_prev = 0xfffff801a6f0c9e0
>  },
>  p_threads = {
>    tqh_first = 0xfffff8036fddc4b0,
>    tqh_last = 0xfffff8036fac24c0
>  },
>  p_slock = {
>    lock_object = {
>      lo_name = 0xffffffff80fd9043 "process slock",
>      lo_flags = 720896,
>      lo_data = 0,
>      lo_witness = 0x0
>    },
>    mtx_lock = 4
>  },
>  p_ucred = 0xfffff802d80bd100,
>  p_fd = 0xfffff80261726800,
>  p_fdtol = 0x0,
>  p_stats = 0xfffff80152b42a00,
>  p_limit = 0xfffff8026151b200,
>  p_limco = {
>    c_links = {
>      le = {
>        le_next = 0x0,
>        le_prev = 0x0
>      },
>      sle = {
>        sle_next = 0x0
>      },
>      tqe = {
>        tqe_next = 0x0,
>        tqe_prev = 0x0
>      }
>    },
>    c_time = 0,
>    c_precision = 0,
>    c_arg = 0x0,
>    c_func = 0,
>    c_lock = 0xfffff80152b44100,
>    c_flags = 0,
>    c_iflags = 0,
>    c_cpu = 0
>  },
>  p_sigacts = 0xfffff80235250000,
>  p_flag = 268959872,
>  p_flag2 = 0,
>  p_state = PRS_NORMAL,
>  p_pid = 25041,
>  p_hash = {
>    le_next = 0x0,
>    le_prev = 0xfffffe000087ae88
>  },
>  p_pglist = {
>    le_next = 0x0,
>    le_prev = 0xfffff8025ebfeb10
>  },
>  p_pptr = 0xfffff8010d3184f0,
>  p_sibling = {
>    le_next = 0xfffff80152b6e000,
>    le_prev = 0xfffff8010d3185e8
>  },
>  p_children = {
>    lh_first = 0x0
>  },
>  p_mtx = {
>    lock_object = {
>      lo_name = 0xffffffff80fd9036 "process lock",
>      lo_flags = 21168128,
>      lo_data = 0,
>      lo_witness = 0x0
>    },
>    mtx_lock = 4
>  },
>  p_ksi = 0xfffff80152b52cb0,
>  p_sigqueue = {
>    sq_signals = {
>      __bits = {65826, 0, 0, 0}
>    },
>    sq_kill = {
>      __bits = {65792, 0, 0, 0}
>    },
>    sq_list = {
>      tqh_first = 0xfffff80ffaf64620,
>      tqh_last = 0xfffff8050f9b24d0
>    },
>    sq_proc = 0xfffff80152b44000,
>    sq_flags = 1
>  },
>  p_oppid = 1,
>  p_vmspace = 0xfffff80277ca11c0,
>  p_swtick = 1199831079,
>  p_realtimer = {
>    it_interval = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    it_value = {
>      tv_sec = 0,
>      tv_usec = 0
>    }
>  },
>  p_ru = {
>    ru_utime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_stime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_maxrss = 0,
>    ru_ixrss = 0,
>    ru_idrss = 0,
>    ru_isrss = 0,
>    ru_minflt = 0,
>    ru_majflt = 0,
>    ru_nswap = 0,
>    ru_inblock = 0,
>    ru_oublock = 0,
>    ru_msgsnd = 0,
>    ru_msgrcv = 0,
>    ru_nsignals = 0,
>    ru_nvcsw = 0,
>    ru_nivcsw = 0
>  },
>  p_rux = {
>    rux_runtime = 21195261557926928,
>    rux_uticks = 18731867,
>    rux_sticks = 1246036232,
>    rux_iticks = 0,
>    rux_uu = 148500393620,
>    rux_su = 314761938509,
>    rux_tu = 9960179303537
>  },
>  p_crux = {
>    rux_runtime = 0,
>    rux_uticks = 0,
>    rux_sticks = 0,
>    rux_iticks = 0,
>    rux_uu = 0,
>    rux_su = 0,
>    rux_tu = 0
>  },
>  p_profthreads = 0,
>  p_exitthreads = 0,
>  p_traceflag = 0,
>  p_tracevp = 0x0,
>  p_tracecred = 0x0,
>  p_textvp = 0xfffff8025e2a6588,
>  p_lock = 0,
>  p_sigiolst = {
>    slh_first = 0x0
>  },
>  p_sigparent = 20,
>  p_sig = 0,
>  p_code = 0,
>  p_stops = 0,
>  p_stype = 0,
>  p_step = 0 '\0',
>  p_pfsflags = 0 '\0',
>  p_nlminfo = 0x0,
>  p_aioinfo = 0x0,
>  p_singlethread = 0xfffff8036fddc4b0,
>  p_suspcount = 1,
>  p_xthread = 0x0,
>  p_boundary_count = 0,
>  p_pendingcnt = 7,
>  p_itimers = 0x0,
>  p_procdesc = 0x0,
>  p_magic = 3203398350,
>  p_osrel = 1002000,
>  p_comm = "udpd", '\0' <repeats 15 times>,
>  p_pad0 = 0x0,
>  p_sysent = 0xffffffff814ef108,
>  p_args = 0xfffff805ccba5b00,
>  p_cpulimit = 9223372036854775807,
>  p_nice = 0 '\0',
>  p_fibnum = 0,
>  p_xstat = 17,
>  p_klist = {
>    kl_list = {
>      slh_first = 0xfffff802e91a9d80
>    },
>    kl_lock = 0xffffffff8090fc00 <knlist_mtx_lock>,
>    kl_unlock = 0xffffffff8090fc40 <knlist_mtx_unlock>,
>    kl_assert_locked = 0xffffffff8090fc80 <knlist_mtx_assert_locked>,
>    kl_assert_unlocked = 0xffffffff8090fc90 <knlist_mtx_assert_unlocked>,
>    kl_lockarg = 0xfffff80152b44100
>  },
>  p_numthreads = 2,
>  p_md = {
>    md_ldt = 0x0,
>    md_ldt_sd = {
>      sd_lolimit = 0,
>      sd_lobase = 0,
>      sd_type = 0,
>      sd_dpl = 0,
>      sd_p = 0,
>      sd_hilimit = 0,
>      sd_xx0 = 0,
>      sd_gran = 0,
>      sd_hibase = 0,
>      sd_xx1 = 0,
>      sd_mbz = 0,
>      sd_xx2 = 0
>    }
>  },
>  p_itcallout = {
>    c_links = {
>      le = {
>        le_next = 0x0,
>        le_prev = 0x0
>      },
>      sle = {
>        sle_next = 0x0
>      },
>      tqe = {
>        tqe_next = 0x0,
>        tqe_prev = 0x0
>      }
>    },
>    c_time = 0,
>    c_precision = 0,
>    c_arg = 0x0,
>    c_func = 0,
>    c_lock = 0xfffff80152b44100,
>    c_flags = 0,
>    c_iflags = 0,
>    c_cpu = 0
>  },
>  p_acflag = 17,
>  p_peers = 0x0,
>  p_leader = 0xfffff80152b44000,
>  p_emuldata = 0x0,
>  p_label = 0x0,
>  p_sched = 0xfffff80152b444f0,
>  p_ktr = {
>    stqh_first = 0x0,
>    stqh_last = 0xfffff80152b44448
>  },
>  p_mqnotifier = {
>    lh_first = 0x0
>  },
>  p_dtrace = 0xfffff8015264c480,
>  p_pwait = {
>    cv_description = 0xffffffff80fd9a5d "ppwait",
>    cv_waiters = 0
>  },
>  p_dbgwait = {
>    cv_description = 0xffffffff80fd9a64 "dbgwait",
>    cv_waiters = 0
>  },
>  p_prev_runtime = 0,
>  p_racct = 0x0,
>  p_throttled = 0 '\0',
>  p_orphan = {
>    le_next = 0x0,
>    le_prev = 0xfffff8065985ae90
>  },
>  p_orphans = {
>    lh_first = 0x0
>  },
>  p_treeflag = 0,
>  p_reaper = 0xfffff8010d3184f0,
>  p_reaplist = {
>    lh_first = 0x0
>  },
>  p_reapsibling = {
>    le_next = 0xfffff80451eb84f0,
>    le_prev = 0xfffff801a6f0ceb0
>  },
>  p_reapsubtree = 16,
>  p_pgrp = 0xfffff8025ebfeb00
>
>}
>(kgdb) p *(struct thread *)0xfffff8036fac24b0
>$6 = {
>  td_lock = 0xffffffff815f8c80,
>  td_proc = 0xfffff80152b44000,
>  td_plist = {
>    tqe_next = 0x0,
>    tqe_prev = 0xfffff8036fddc4c0
>  },
>  td_runq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xffffffff815f9160
>  },
>  td_slpq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xfffff8036fa38800
>  },
>  td_lockq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xfffffe124504a988
>  },
>  td_hash = {
>    le_next = 0x0,
>    le_prev = 0xfffffe00008ba7f0
>  },
>  td_cpuset = 0xfffff802d8e166c0,
>  td_sel = 0xfffff8026b6a2900,
>  td_sleepqueue = 0xfffff8036fa38800,
>  td_turnstile = 0xfffff801528c0cc0,
>  td_rlqe = 0xfffff801524b15c8,
>  td_umtxq = 0xfffff80260318f00,
>  td_tid = 100606,
>  td_sigqueue = {
>    sq_signals = {
>      __bits = {0, 0, 0, 0}
>    },
>    sq_kill = {
>      __bits = {0, 0, 0, 0}
>    },
>    sq_list = {
>      tqh_first = 0x0,
>      tqh_last = 0xfffff8036fac2568
>    },
>    sq_proc = 0xfffff80152b44000,
>    sq_flags = 1
>  },
>  td_lend_user_pri = 255 'â',
>  td_flags = 67209220,
>  td_inhibitors = 0,
>  td_pflags = 0,
>  td_dupfd = 0,
>  td_sqqueue = 0,
>  td_wchan = 0x0,
>  td_wmesg = 0x0,
>  td_lastcpu = 20 '\024',
>  td_oncpu = 23 '\027',
>  td_owepreempt = 0 '\0',
>  td_tsqueue = 1 '\001',
>  td_locks = 27835,
>  td_rw_rlocks = 1,
>  td_lk_slocks = 0,
>  td_stopsched = 0,
>  td_blocked = 0x0,
>  td_lockname = 0x0,
>  td_contested = {
>    lh_first = 0x0
>  },
>  td_sleeplocks = 0x0,
>  td_intr_nesting_level = 0,
>  td_pinned = 0,
>  td_ucred = 0xfffff802d80bd100,
>  td_estcpu = 0,
>  td_slptick = 0,
>  td_blktick = 0,
>  td_swvoltick = -178584966,
>  td_cow = 52,
>  td_ru = {
>    ru_utime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_stime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_maxrss = 28659104,
>    ru_ixrss = 3030360762208,
>    ru_idrss = 531198464160,
>    ru_isrss = 161889055744,
>    ru_minflt = 14988481,
>    ru_majflt = 58,
>    ru_nswap = 0,
>    ru_inblock = 3,
>    ru_oublock = 167,
>    ru_msgsnd = 9687721406,
>    ru_msgrcv = 9956580985,
>    ru_nsignals = 0,
>    ru_nvcsw = 1392224686,
>    ru_nivcsw = 260736138
>  },
>  td_rux = {
>    rux_runtime = 21195090771034572,
>    rux_uticks = 18725698,
>    rux_sticks = 1246034424,
>    rux_iticks = 0,
>    rux_uu = 1610235914,
>    rux_su = 14438009247,
>    rux_tu = 9959785637452
>  },
>  td_incruntime = 0,
>  td_runtime = 21195090771034572,
>  td_pticks = 1237882122,
>  td_sticks = 1676,
>  td_iticks = 0,
>  td_uticks = 0,
>  td_intrval = 0,
>  td_oldsigmask = {
>    __bits = {0, 0, 0, 0}
>  },
>  td_generation = 1652960824,
>  td_sigstk = {
>    ss_sp = 0x0,
>    ss_size = 0,
>    ss_flags = 4
>  },
>  td_xsig = 0,
>  td_profil_addr = 0,
>  td_profil_ticks = 0,
>  td_name = "udpd", '\0' <repeats 15 times>,
>  td_fpop = 0x0,
>  td_dbgflags = 0,
>  td_dbgksi = {
>    ksi_link = {
>      tqe_next = 0x0,
>      tqe_prev = 0x0
>    },
>    ksi_info = {
>      si_signo = 0,
>      si_errno = 0,
>      si_code = 0,
>      si_pid = 0,
>      si_uid = 0,
>      si_status = 0,
>      si_addr = 0x0,
>      si_value = {
>        sival_int = 0,
>        sival_ptr = 0x0,
>        sigval_int = 0,
>        sigval_ptr = 0x0
>      },
>      _reason = {
>        _fault = {
>          _trapno = 0
>        },
>        _timer = {
>          _timerid = 0,
>          _overrun = 0
>        },
>        _mesgq = {
>          _mqd = 0
>        },
>        _poll = {
>          _band = 0
>        },
>        __spare__ = {
>          __spare1__ = 0,
>          __spare2__ = {0, 0, 0, 0, 0, 0, 0}
>        }
>      }
>    },
>    ksi_flags = 0,
>    ksi_sigq = 0x0
>  },
>  td_ng_outbound = 0,
>  td_osd = {
>    osd_nslots = 0,
>    osd_slots = 0x0,
>    osd_next = {
>      le_next = 0x0,
>      le_prev = 0x0
>    }
>  },
>  td_map_def_user = 0x0,
>  td_dbg_forked = 0,
>  td_vp_reserv = 0,
>  td_no_sleeping = 0,
>  td_dom_rr_idx = 0,
>  td_sigmask = {
>    __bits = {0, 0, 0, 0}
>  },
>  td_rqindex = 3 '\003',
>  td_base_pri = 184 'â',
>  td_priority = 203 'â',
>  td_pri_class = 3 '\003',
>  td_user_pri = 203 'â',
>  td_base_user_pri = 203 'â',
>  td_pcb = 0xfffffe124433acc0,
>  td_state = TDS_RUNNING,
>  td_retval = {0, 4294973656},
>  td_slpcallout = {
>    c_links = {
>      le = {
>        le_next = 0x0,
>        le_prev = 0xfffffe0000aca4c0
>      },
>      sle = {
>        sle_next = 0x0
>      },
>      tqe = {
>        tqe_next = 0x0,
>        tqe_prev = 0xfffffe0000aca4c0
>      }
>    },
>    c_time = 5153293292742269,
>    c_precision = 1872337,
>    c_arg = 0xfffff8036fac24b0,
>    c_func = 0xffffffff8099c000 <sleepq_timeout>,
>    c_lock = 0x0,
>    c_flags = 2,
>    c_iflags = 272,
>    c_cpu = 7
>  },
>  td_frame = 0xfffffe124433ac00,
>  td_kstack_obj = 0xfffff8036f8b1b00,
>  td_kstack = 18446741953139929088,
>  td_kstack_pages = 4,
>  td_critnest = 0,
>  td_md = {
>    md_spinlock_count = 0,
>    md_saved_flags = 70,
>    md_spurflt_addr = 34393796608
>  },
>  td_sched = 0xfffff8036fac2930,
>  td_ar = 0x0,
>  td_lprof = {{
>      lh_first = 0x0
>    }, {
>      lh_first = 0x0
>    }},
>  td_dtrace = 0xfffff80260a90000,
>  td_errno = 0,
>  td_vnet = 0x0,
>  td_vnet_lpush = 0x0,
>  td_intr_frame = 0x0,
>  td_rfppwait_p = 0x0,
>  td_ma = 0x0,
>  td_ma_cnt = 0,
>  td_su = 0x0,
>  td_dbg_sc_code = 0,
>  td_dbg_sc_narg = 0,
>  td_emuldata = 0x0
>}
>(kgdb)
>(kgdb) p *(struct thread *)0xfffff8036fddc4b0
>$7 = {
>  td_lock = 0xffffffff815fb380,
>  td_proc = 0xfffff80152b44000,
>  td_plist = {
>    tqe_next = 0xfffff8036fac24b0,
>    tqe_prev = 0xfffff80152b44010
>  },
>  td_runq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xffffffff815fb608
>  },
>  td_slpq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xfffff80152b7d800
>  },
>  td_lockq = {
>    tqe_next = 0x0,
>    tqe_prev = 0xfffffe1188bbc728
>  },
>  td_hash = {
>    le_next = 0x0,
>    le_prev = 0xfffffe00008badf8
>  },
>  td_cpuset = 0xfffff802d8e166c0,
>  td_sel = 0xfffff80261198480,
>  td_sleepqueue = 0xfffff80152b7d800,
>  td_turnstile = 0xfffff8015278d540,
>  td_rlqe = 0xfffff804cbda3dc0,
>  td_umtxq = 0xfffff801529ffc80,
>  td_tid = 100799,
>  td_sigqueue = {
>    sq_signals = {
>      __bits = {0, 0, 0, 0}
>    },
>    sq_kill = {
>      __bits = {0, 0, 0, 0}
>    },
>    sq_list = {
>      tqh_first = 0x0,
>      tqh_last = 0xfffff8036fddc568
>    },
>    sq_proc = 0xfffff80152b44000,
>    sq_flags = 1
>  },
>  td_lend_user_pri = 255 'â',
>  td_flags = 133188,
>  td_inhibitors = 1,
>  td_pflags = 0,
>  td_dupfd = 0,
>  td_sqqueue = 0,
>  td_wchan = 0x0,
>  td_wmesg = 0x0,
>  td_lastcpu = 26 '\032',
>  td_oncpu = 255 'â',
>  td_owepreempt = 0 '\0',
>  td_tsqueue = 0 '\0',
>  td_locks = 2289,
>  td_rw_rlocks = 0,
>  td_lk_slocks = 0,
>  td_stopsched = 0,
>  td_blocked = 0x0,
>  td_lockname = 0x0,
>  td_contested = {
>    lh_first = 0x0
>  },
>  td_sleeplocks = 0x0,
>  td_intr_nesting_level = 0,
>  td_pinned = 0,
>  td_ucred = 0xfffff802d80bd100,
>  td_estcpu = 0,
>  td_slptick = -530682518,
>  td_blktick = 0,
>  td_swvoltick = -530682518,
>  td_cow = 0,
>  td_ru = {
>    ru_utime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_stime = {
>      tv_sec = 0,
>      tv_usec = 0
>    },
>    ru_maxrss = 22052900,
>    ru_ixrss = 28711268,
>    ru_idrss = 5032860,
>    ru_isrss = 1533824,
>    ru_minflt = 56,
>    ru_majflt = 0,
>    ru_nswap = 0,
>    ru_inblock = 0,
>    ru_oublock = 0,
>    ru_msgsnd = 742165,
>    ru_msgrcv = 742129,
>    ru_nsignals = 0,
>    ru_nvcsw = 2228305,
>    ru_nivcsw = 240535
>  },
>  td_rux = {
>    rux_runtime = 206182495612,
>    rux_uticks = 6169,
>    rux_sticks = 5814,
>    rux_iticks = 0,
>    rux_uu = 49879238,
>    rux_su = 47008898,
>    rux_tu = 96888137
>  },
>  td_incruntime = 0,
>  td_runtime = 206182495612,
>  td_pticks = 0,
>  td_sticks = 0,
>  td_iticks = 0,
>  td_uticks = 0,
>  td_intrval = -1,
>  td_oldsigmask = {
>    __bits = {0, 0, 0, 0}
>  },
>  td_generation = 2468840,
>  td_sigstk = {
>    ss_sp = 0x0,
>    ss_size = 0,
>    ss_flags = 0
>  },
>  td_xsig = 0,
>  td_profil_addr = 0,
>  td_profil_ticks = 0,
>  td_name = "udpd", '\0' <repeats 15 times>,
>  td_fpop = 0x0,
>  td_dbgflags = 0,
>  td_dbgksi = {
>    ksi_link = {
>      tqe_next = 0x0,
>      tqe_prev = 0x0
>    },
>    ksi_info = {
>      si_signo = 0,
>      si_errno = 0,
>      si_code = 0,
>      si_pid = 0,
>      si_uid = 0,
>      si_status = 0,
>      si_addr = 0x0,
>      si_value = {
>        sival_int = 0,
>        sival_ptr = 0x0,
>        sigval_int = 0,
>        sigval_ptr = 0x0
>      },
>      _reason = {
>        _fault = {
>          _trapno = 0
>        },
>        _timer = {
>          _timerid = 0,
>          _overrun = 0
>        },
>        _mesgq = {
>          _mqd = 0
>        },
>        _poll = {
>          _band = 0
>        },
>        __spare__ = {
>          __spare1__ = 0,
>          __spare2__ = {0, 0, 0, 0, 0, 0, 0}
>        }
>      }
>    },
>    ksi_flags = 0,
>    ksi_sigq = 0x0
>  },
>  td_ng_outbound = 0,
>  td_osd = {
>    osd_nslots = 0,
>    osd_slots = 0x0,
>    osd_next = {
>      le_next = 0x0,
>      le_prev = 0x0
>    }
>  },
>  td_map_def_user = 0x0,
>  td_dbg_forked = 0,
>  td_vp_reserv = 0,
>  td_no_sleeping = 0,
>  td_dom_rr_idx = 0,
>  td_sigmask = {
>    __bits = {0, 0, 0, 0}
>  },
>  td_rqindex = 30 '\036',
>  td_base_pri = 120 'x',
>  td_priority = 120 'x',
>  td_pri_class = 3 '\003',
>  td_user_pri = 120 'x',
>  td_base_user_pri = 120 'x',
>  td_pcb = 0xfffffe1244081cc0,
>  td_state = TDS_INHIBITED,
>  td_retval = {0, 0},
>  td_slpcallout = {
>    c_links = {
>      le = {
>        le_next = 0x0,
>        le_prev = 0xfffffe0000a31c00
>      },
>      sle = {
>        sle_next = 0x0
>      },
>      tqe = {
>        tqe_next = 0x0,
>        tqe_prev = 0xfffffe0000a31c00
>      }
>    },
>    c_time = 53061003092613063,
>    c_precision = 4026482179,
>    c_arg = 0xfffff8036fddc4b0,
>    c_func = 0xffffffff8099c000 <sleepq_timeout>,
>    c_lock = 0x0,
>    c_flags = 0,
>    c_iflags = 272,
>    c_cpu = 5
>  },
>  td_frame = 0xfffffe1244081c00,
>  td_kstack_obj = 0xfffff80235172c00,
>  td_kstack = 18446741953137074176,
>  td_kstack_pages = 4,
>  td_critnest = 1,
>  td_md = {
>    md_spinlock_count = 1,
>    md_saved_flags = 582,
>    md_spurflt_addr = 34397716480
>  },
>  td_sched = 0xfffff8036fddc930,
>  td_ar = 0x0,
>  td_lprof = {{
>      lh_first = 0x0
>    }, {
>      lh_first = 0x0
>    }},
>  td_dtrace = 0xfffff80659ee9e00,
>  td_errno = 4,
>  td_vnet = 0x0,
>  td_vnet_lpush = 0x0,
>  td_intr_frame = 0x0,
>  td_rfppwait_p = 0x0,
>  td_ma = 0x0,
>  td_ma_cnt = 0,
>  td_su = 0x0,
>  td_dbg_sc_code = 0,
>  td_dbg_sc_narg = 0,
>  td_emuldata = 0x0
>}
>(kgdb) tid 100799
>[Switching to thread 828 (Thread 100799)]#0  sched_switch (
>    td=0xfffff8036fddc4b0, newtd=<value optimized out>,
>    flags=<value optimized out>) at /usr/src/sys/kern/sched_ule.c:1945
>1945    in /usr/src/sys/kern/sched_ule.c
>Current language:  auto; currently minimal
>(kgdb) bt
>#0  sched_switch (td=0xfffff8036fddc4b0, newtd=<value optimized out>,
>    flags=<value optimized out>) at /usr/src/sys/kern/sched_ule.c:1945
>#1  0xffffffff8095a7c1 in mi_switch (flags=266, newtd=0x0)
>    at /usr/src/sys/kern/kern_synch.c:491
>#2  0xffffffff809625c0 in thread_suspend_switch (td=0xfffff8036fddc4b0,
>    p=0xfffff80152b44000) at /usr/src/sys/kern/kern_thread.c:953
>#3  0xffffffff809621b5 in thread_single (p=0xfffff80152b44000, mode=0)
>    at /usr/src/sys/kern/kern_thread.c:744
>#4  0xffffffff80953d50 in sigexit (td=0xfffff8036fddc4b0, sig=6)
>    at /usr/src/sys/kern/kern_sig.c:2954
>#5  0xffffffff80954ec6 in postsig (sig=<value optimized out>)
>    at /usr/src/sys/kern/kern_sig.c:2877
>#6  0xffffffff809a1717 in ast (framep=<value optimized out>)
>    at /usr/src/sys/kern/subr_trap.c:281
>#7  0xffffffff80d3cd79 in doreti_ast ()
>    at /usr/src/sys/amd64/amd64/exception.S:682
>#8  0x000000000000000b in ?? ()
>#9  0x00007fffdfffdee0 in ?? ()
>#10 0x0000000000000000 in ?? ()
>(kgdb)  tid 100606
>[Switching to thread 827 (Thread 100606)]#0  sched_switch (td=0xfffff8036fac24b0, newtd=<value optimized out>, flags=<value optim
>1945    in /usr/src/sys/kern/sched_ule.c
>Current language:  auto; currently minimal
>(kgdb) bt
>#0  sched_switch (td=0xfffff8036fac24b0, newtd=<value optimized out>, flags=<value optimized out>) at /usr/src/sys/kern/sched_ule
>#1  0xfffff8036fac24b0 in ?? ()
>#2  0xfffff8036fac24b0 in ?? ()
>#3  0xfffff802ea035000 in ?? ()
>#4  0x0000000000000001 in ?? ()
>#5  0x00000000f8d07da6 in ?? ()
>#6  0xfffff8051cba8828 in ?? ()
>#7  0xfffff80260056518 in ?? ()
>#8  0xfffff8036fac24b0 in ?? ()
>#9  0xfffff80260056500 in ?? ()
>#10 0x0000000000000000 in ?? ()
>

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Attachments on bug 216905: 179745 | 179746