Bug 228568
| Summary: | deadlock:kldunload radeonkms | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Eitan Adler <eadler> |
| Component: | kern | Assignee: | freebsd-bugs (Nobody) <bugs> |
| Status: | Open --- | ||
| Severity: | Affects Only Me | CC: | danfe, x11 |
| Priority: | --- | Keywords: | crash |
| Version: | CURRENT | ||
| Hardware: | Any | ||
| OS: | Any | ||
Do you still see this deadlock on recent -CURRENT, where DRM support had been moved out of the base system/kernel to the `graphics/drm-*-kmod' and `graphics/gpu-firmware-kmod' ports? Adding x11@ to CC list so it can be tracked while originally filed under base system/kern. |
kldunload radeonkms.ko Already logging to /home/eax/out. #0 __curthread () at ./machine/pcpu.h:231 td = <optimized out> #1 doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:366 error = <error reading variable error (Cannot access memory at address 0x0)> coredump = <optimized out> #2 0xffffffff804350bb in db_dump (dummy=<optimized out>, dummy2=<unavailable>, dummy3=<unavailable>, dummy4=<unavailable>) at /usr/src/sys/ddb/db_command.c:574 error = <optimized out> #3 0xffffffff80434e7d in db_command (last_cmdp=<optimized out>, cmd_table=<optimized out>, dopager=<optimized out>) at /usr/src/sys/ddb/db_command.c:481 modif = "" have_addr = false t = <optimized out> result = <optimized out> cmd = 0xffffffff81a5ce20 <db_cmds+480> addr = <unavailable> count = <unavailable> #4 0xffffffff80434c14 in db_command_loop () at /usr/src/sys/ddb/db_command.c:534 No locals. #5 0xffffffff80437dff in db_trap (type=<optimized out>, code=<optimized out>) at /usr/src/sys/ddb/db_main.c:252 jb = {{ _jb = {-2195602762112, -2195602762120, -2195602761984, -2115128448, -2119837784, 0, 3, -2143060599, -2195602762016, -2137136836, -2116086448, 0} }} bkpt = false watchpt = false prev_jb = 0x0 why = <optimized out> #6 0xffffffff80ba3923 in kdb_trap (type=3, code=0, tf=<optimized out>) at /usr/src/sys/kern/subr_kdb.c:697 be = 0xffffffff81a5d7a8 <ddb_dbbe> intr = 70 did_stop_cpus = <error reading variable did_stop_cpus (Cannot access memory at address 0x1)> handled = <optimized out> other_cpus = <optimized out> #7 0xffffffff8101f881 in trap (frame=0xfffffe00cbe09890) at /usr/src/sys/amd64/amd64/trap.c:605 td = 0xfffff8007d971000 dr6 = 0 addr = -2195602761584 ucode = -2093870928 signo = 0 p = 0xfffffe00cbe09a00 type = 3 ksi = { ksi_link = { tqe_next = 0x20ffffff00000012, tqe_prev = 0x0 }, ksi_info = { si_signo = -2109401424, si_errno = -1, si_code = 1839114452, si_pid = 1576597013, si_uid = 3420494512, si_status = -512, si_addr = 0x0, si_value = { sival_int = -1019, sival_ptr = 0xfffffc05, sigval_int = -1019, sigval_ptr = 0xfffffc05 }, _reason = { _fault = { _trapno = 0 }, _timer = { _timerid = 0, _overrun = 0 }, _mesgq = { _mqd = 0 }, _poll = { _band = 0 }, __spare__ = { __spare1__ = 0, __spare2__ = {-4096, 511, -874473392, -512, -2143060083, -1, 1839114452} } } }, ksi_flags = -2127898362, ksi_sigq = 0xfffff8045850b001 } #8 <signal handler called> No locals. #9 kdb_enter (why=0xffffffff812ad906 "panic", msg=<optimized out>) at /usr/src/sys/kern/subr_kdb.c:479 No locals. #10 0xffffffff80b5c7a0 in vpanic (fmt=<optimized out>, ap=0xfffffe00cbe09a00) at /usr/src/sys/kern/kern_shutdown.c:852 buf = "deadlkres: possible deadlock detected for 0xfffff8045850b000, blocked for 200655 ticks\n" td = 0xfffff8007d971000 bootopt = <error reading variable bootopt (Cannot access memory at address 0x4)> newpanic = <error reading variable newpanic (Cannot access memory at address 0x1)> other_cpus = <optimized out> #11 0xffffffff80b5c833 in panic (fmt=0xffffffff81df1598 <cnputs_mtx> "\276\061'\201\377\377\377\377") at /usr/src/sys/kern/kern_shutdown.c:790 ap = {{ gp_offset = 32, fp_offset = 48, overflow_arg_area = 0xfffffe00cbe09a30, reg_save_area = 0xfffffe00cbe099d0 }} #12 0xffffffff80af5b17 in deadlkres () at /usr/src/sys/kern/kern_clock.c:244 tryl = <optimized out> slpticks = 200000 blkticks = 200000 p = 0xfffff805ece59538 td = <optimized out> wchan = <optimized out> tticks = 200655 slptype = <optimized out> i = <error reading variable i (Cannot access memory at address 0x2)> #13 0xffffffff80b1bfe4 in fork_exit (callout=0xffffffff80af57f0 <deadlkres>, arg=0x0, frame=0xfffffe00cbe09ac0) at /usr/src/sys/kern/kern_fork.c:1039 td = 0xfffff8007d971000 p = 0xffffffff82001e20 <proc0> dtd = <optimized out> #14 <signal handler called> No locals. --- #13 0xffffffff80b1bfe4 in fork_exit (callout=0xffffffff80af57f0 <deadlkres>, arg=0x0, frame=0xfffffe00cbe09ac0) at /usr/src/sys/kern/kern_fork.c:1039 1039 callout(arg, frame); $1 = { p_list = { le_next = 0x0, le_prev = 0xfffff800036e7a70 }, p_threads = { tqh_first = 0xffffffff82002380 <thread0_st>, tqh_last = 0xfffff80092cc3010 }, p_slock = { lock_object = { lo_name = 0xffffffff812a8a7f "process slock", lo_flags = 196608, lo_data = 0, lo_witness = 0x0 }, mtx_lock = 0 }, p_ucred = 0xfffff800036aae00, p_fd = 0xfffff800036d38a0, p_fdtol = 0x0, p_stats = 0xfffff800036dd000, p_limit = 0xfffff800036d8000, 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 = 0x0, c_lock = 0xffffffff82001f40 <proc0+288>, c_flags = 0, c_iflags = 0, c_cpu = 0 }, p_sigacts = 0xfffff800036cc000, p_flag = 268436100, p_flag2 = 0, p_state = PRS_NORMAL, p_pid = 0, p_hash = { le_next = 0x0, le_prev = 0xfffffe0000f81000 }, p_pglist = { le_next = 0xfffff8009f2ae538, le_prev = 0xffffffff81df1380 <pgrp0+16> }, p_pptr = 0x0, p_sibling = { le_next = 0x0, le_prev = 0x0 }, p_children = { lh_first = 0xfffff8009f2ae538 }, p_reaper = 0xffffffff82001e20 <proc0>, p_reaplist = { lh_first = 0xfffff8009f2ae538 }, p_reapsibling = { le_next = 0x0, le_prev = 0xfffff8009284b648 }, p_mtx = { lock_object = { lo_name = 0xffffffff81234bb2 "process lock", lo_flags = 21168128, lo_data = 0, lo_witness = 0xfffff8103f049400 }, mtx_lock = 0 }, p_statmtx = { lock_object = { lo_name = 0xffffffff811ec4b7 "pstatl", lo_flags = 196608, lo_data = 0, lo_witness = 0x0 }, mtx_lock = 0 }, p_itimmtx = { lock_object = { lo_name = 0xffffffff8122ace7 "pitiml", lo_flags = 196608, lo_data = 0, lo_witness = 0x0 }, mtx_lock = 0 }, p_profmtx = { lock_object = { lo_name = 0xffffffff812888fa "pprofl", lo_flags = 196608, lo_data = 0, lo_witness = 0x0 }, mtx_lock = 0 }, p_ksi = 0x0, p_sigqueue = { sq_signals = { __bits = {0, 0, 0, 0} }, sq_kill = { __bits = {0, 0, 0, 0} }, sq_ptrace = { __bits = {0, 0, 0, 0} }, sq_list = { tqh_first = 0x0, tqh_last = 0xffffffff82001ff8 <proc0+472> }, sq_proc = 0xffffffff82001e20 <proc0>, sq_flags = 1 }, p_oppid = 0, p_vmspace = 0xffffffff82002918 <vmspace0>, p_swtick = 0, p_cowgen = 0, 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 = 3652, ru_oublock = 0, ru_msgsnd = 0, ru_msgrcv = 0, ru_nsignals = 0, ru_nvcsw = 452, ru_nivcsw = 0 }, p_rux = { rux_runtime = 954709275788, rux_uticks = 0, rux_sticks = 35583, rux_iticks = 0, rux_uu = 0, rux_su = 281317832, rux_tu = 281317832 }, 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 = 0x0, p_lock = 0, p_sigiolst = { slh_first = 0x0 }, p_sigparent = 0, p_sig = 0, p_code = 0, p_stops = 0, p_stype = 0, p_step = 0 '\000', p_pfsflags = 0 '\000', p_ptevents = 0, p_nlminfo = 0x0, p_aioinfo = 0x0, p_singlethread = 0x0, p_suspcount = 0, p_xthread = 0x0, p_boundary_count = 0, p_pendingcnt = 0, p_itimers = 0x0, p_procdesc = 0x0, p_treeflag = 0, p_pendingexits = 0, p_filemon = 0x0, p_pdeathsig = 0, p_magic = 3203398350, p_osrel = 1200064, p_comm = "kernel", p_sysent = 0xffffffff81b05e90 <null_sysvec>, p_args = 0x0, p_cpulimit = 9223372036854775807, p_nice = 0 '\000', p_fibnum = 0, p_reapsubtree = 0, p_elf_machine = 0, p_elf_flags = 0, p_xexit = 0, p_xsig = 0, p_pgrp = 0xffffffff81df1370 <pgrp0>, p_klist = 0xfffff8000308d540, p_numthreads = 532, 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 = 0x0, c_lock = 0xffffffff82001f40 <proc0+288>, c_flags = 0, c_iflags = 0, c_cpu = 0 }, p_acflag = 0, p_peers = 0x0, p_leader = 0xffffffff82001e20 <proc0>, p_emuldata = 0x0, p_label = 0x0, p_ktr = { stqh_first = 0x0, stqh_last = 0xffffffff820022e8 <proc0+1224> }, p_mqnotifier = { lh_first = 0x0 }, p_dtrace = 0xfffff8000303b900, p_pwait = { cv_description = 0x0, cv_waiters = 0 }, p_dbgwait = { cv_description = 0x0, cv_waiters = 0 }, p_prev_runtime = 0, p_racct = 0x0, p_throttled = 0, p_orphan = { le_next = 0x0, le_prev = 0x0 }, p_orphans = { lh_first = 0x0 } } $2 = { td_lock = 0xffffffff81e0e340 <tdq_cpu>, td_proc = 0xffffffff82001e20 <proc0>, td_plist = { tqe_next = 0xfffff8007d970000, tqe_prev = 0xfffff8007d90e590 }, td_runq = { tqe_next = 0x0, tqe_prev = 0xffffffff81e0e4f8 <tdq_cpu+440> }, td_slpq = { tqe_next = 0x0, tqe_prev = 0xfffff80003e3fe80 }, td_lockq = { tqe_next = 0x0, tqe_prev = 0x0 }, td_hash = { le_next = 0x0, le_prev = 0xfffffe00ba403fc0 }, td_cpuset = 0xfffff800036cae80, td_domain = { dr_policy = 0xffffffff81df16a8 <domainset0>, dr_iterator = 0 }, td_sel = 0x0, td_sleepqueue = 0xfffff80003e3fe80, td_turnstile = 0xfffff8007d969000, td_rlqe = 0x0, td_umtxq = 0xfffff8007d96d280, td_tid = 100344, td_sigqueue = { sq_signals = { __bits = {0, 0, 0, 0} }, sq_kill = { __bits = {0, 0, 0, 0} }, sq_ptrace = { __bits = {0, 0, 0, 0} }, sq_list = { tqh_first = 0x0, tqh_last = 0xfffff8007d9710d8 }, sq_proc = 0xffffffff82001e20 <proc0>, sq_flags = 1 }, td_lend_user_pri = 255 '\377', td_epochnest = 0 '\000', td_flags = 4, td_inhibitors = 0, td_pflags = 2097152, td_dupfd = 0, td_sqqueue = 0, td_wchan = 0x0, td_wmesg = 0x0, td_owepreempt = 0 '\000', td_tsqueue = 0 '\000', td_locks = 0, td_rw_rlocks = 0, td_sx_slocks = 0, td_lk_slocks = 0, td_stopsched = 1, td_blocked = 0x0, td_lockname = 0x0, td_contested = { lh_first = 0x0 }, td_sleeplocks = 0xffffffff81f34db8 <w_locklistdata+246840>, td_intr_nesting_level = 0, td_pinned = 1, td_ucred = 0xfffff800036aae00, td_limit = 0xfffff800036d8000, td_slptick = 0, td_blktick = 0, td_swvoltick = -2135472893, td_swinvoltick = -2136385896, td_cow = 0, td_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 = 4180, ru_nivcsw = 13 }, td_rux = { rux_runtime = 5237952892, rux_uticks = 0, rux_sticks = 215, rux_iticks = 0, rux_uu = 0, rux_su = 0, rux_tu = 0 }, td_incruntime = 0, td_runtime = 5237646450, td_pticks = 215, td_sticks = 0, td_iticks = 0, td_uticks = 0, td_intrval = 0, td_oldsigmask = { __bits = {0, 0, 0, 0} }, td_generation = 4193, td_sigstk = { ss_sp = 0x0, ss_size = 0, ss_flags = 0 }, td_xsig = 0, td_profil_addr = 0, td_profil_ticks = 0, td_name = "deadlkres", td_fpop = 0x0, td_dbgflags = 0, td_si = { 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} } } }, 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_su = 0x0, td_sleeptimo = 0, td_rtcgen = 0, td_vslock_sz = 0, td_sigmask = { __bits = {0, 0, 0, 0} }, td_rqindex = 21 '\025', td_base_pri = 84 'T', td_priority = 84 'T', td_pri_class = 3 '\003', td_user_pri = 120 'x', td_base_user_pri = 120 'x', td_pre_epoch_prio = 0 '\000', td_rb_list = 0, td_rbp_list = 0, td_rb_inact = 0, td_sa = { code = 0, callp = 0x0, args = {0, 0, 0, 0, 0, 0, 0, 0}, narg = 0 }, td_pcb = 0xfffffe00cbe09b80, td_state = TDS_RUNNING, td_uretoff = { tdu_retval = {0, 0}, tdu_off = 0 }, td_cowgen = 0, td_slpcallout = { c_links = { le = { le_next = 0x0, le_prev = 0xfffffe00ba463608 }, sle = { sle_next = 0x0 }, tqe = { tqe_next = 0x0, tqe_prev = 0xfffffe00ba463608 } }, c_time = 54179960823541, c_precision = 805306312, c_arg = 0xfffff8007d971000, c_func = 0xffffffff80bb1a90 <sleepq_timeout>, c_lock = 0x0, c_flags = 2, c_iflags = 272, c_cpu = 1 }, td_frame = 0xfffffe00cbe09ac0, td_kstack_obj = 0xfffff8007d979800, td_kstack = 18446741878106775552, td_kstack_pages = 4, td_critnest = 1, td_md = { md_spinlock_count = 1, md_saved_flags = 582, md_spurflt_addr = 0, md_invl_gen = { gen = 0, link = { le_next = 0x0, le_prev = 0x0 } } }, td_ar = 0x0, td_lprof = {{ lh_first = 0x0 }, { lh_first = 0x0 }}, td_dtrace = 0xfffff8007d975b00, 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_emuldata = 0x0, td_lastcpu = 1, td_oncpu = 0, td_lkpi_task = 0x0, td_epochq = { tqe_next = 0x0, tqe_prev = 0x0 }, td_epoch_section = { bucket = 0 } }