[Gluster-users] [Gluster-devel] Crash in glusterfs!!!
ABHISHEK PALIWAL
abhishpaliwal at gmail.com
Tue Sep 25 08:46:17 UTC 2018
I don't have the step to reproduce, but its a race condition where it seems
cleanup_and_exit() is accessing the data structure which are not yet
initialised (as gluster is in starting phase), due to SIGTERM/SIGINT is
sent in between.
Regards,
Abhishek
On Mon, Sep 24, 2018 at 9:11 PM Pranith Kumar Karampuri <pkarampu at redhat.com>
wrote:
>
>
> On Mon, Sep 24, 2018 at 5:16 PM ABHISHEK PALIWAL <abhishpaliwal at gmail.com>
> wrote:
>
>> Hi Pranith,
>>
>> As we know this problem is getting triggered at startup of the glusterd
>> process when it received the SIGTERM.
>>
>> I think there is a problem in glusterfs code, if at startup someone sent
>> the SIGTERM the exit handler should not be crash instead it should with
>> some information.
>>
>> Could please let me know the possibility to fix it from glusterfs side?
>>
>
> I am not as confident as you about the RC you provided. If you could give
> the steps to re-create, I will be happy to confirm that the RC is correct
> and then I will send out the fix.
>
>
>>
>> Regards,
>> Abhishek
>>
>> On Mon, Sep 24, 2018 at 3:12 PM Pranith Kumar Karampuri <
>> pkarampu at redhat.com> wrote:
>>
>>>
>>>
>>> On Mon, Sep 24, 2018 at 2:09 PM ABHISHEK PALIWAL <
>>> abhishpaliwal at gmail.com> wrote:
>>>
>>>> Could you please let me know about the bug in libc which you are
>>>> talking.
>>>>
>>>
>>> No, I mean, if you give the steps to reproduce, we will be able to pin
>>> point if the issue is with libc or glusterfs.
>>>
>>>
>>>>
>>>> On Mon, Sep 24, 2018 at 2:01 PM Pranith Kumar Karampuri <
>>>> pkarampu at redhat.com> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Mon, Sep 24, 2018 at 1:57 PM ABHISHEK PALIWAL <
>>>>> abhishpaliwal at gmail.com> wrote:
>>>>>
>>>>>> If you see the source code in cleanup_and_exit() we are getting the
>>>>>> SIGSEGV crash when 'exit(0)' is triggered.
>>>>>>
>>>>>
>>>>> yes, that is what I was mentioning earlier. It is crashing in libc. So
>>>>> either there is a bug in libc (glusterfs actually found 1 bug so far in
>>>>> libc, so I wouldn't rule out that possibility) or there is something that
>>>>> is happening in glusterfs which is leading to the problem.
>>>>> Valgrind/address-sanitizer would help find where the problem could be in
>>>>> some cases, so before reaching out libc developers, it is better to figure
>>>>> out where the problem is. Do you have steps to recreate it?
>>>>>
>>>>>
>>>>>>
>>>>>> On Mon, Sep 24, 2018 at 1:41 PM Pranith Kumar Karampuri <
>>>>>> pkarampu at redhat.com> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Sep 24, 2018 at 1:36 PM ABHISHEK PALIWAL <
>>>>>>> abhishpaliwal at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi Sanju,
>>>>>>>>
>>>>>>>> Do you have any update on this?
>>>>>>>>
>>>>>>>
>>>>>>> This seems to happen while the process is dying, in libc. I am not
>>>>>>> completely sure if there is anything glusterfs is contributing to it from
>>>>>>> the bt at the moment. Do you have any steps to re-create this problem? It
>>>>>>> is probably better to run the steps with valgrind/address-sanitizer and see
>>>>>>> if it points to the problem in glusterfs.
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Abhishek
>>>>>>>>
>>>>>>>> On Fri, Sep 21, 2018 at 4:07 PM ABHISHEK PALIWAL <
>>>>>>>> abhishpaliwal at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Sanju,
>>>>>>>>>
>>>>>>>>> Output of 't a a bt full'
>>>>>>>>>
>>>>>>>>> (gdb) t a a bt full
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thread 7 (LWP 1743):
>>>>>>>>>
>>>>>>>>> #0 0x00003fffa3ea7e88 in __lll_lock_wait (futex=0x0, private=0)
>>>>>>>>> at lowlevellock.c:43
>>>>>>>>>
>>>>>>>>> r4 = 128
>>>>>>>>>
>>>>>>>>> r7 = 0
>>>>>>>>>
>>>>>>>>> arg2 = 128
>>>>>>>>>
>>>>>>>>> r5 = 2
>>>>>>>>>
>>>>>>>>> r8 = 1
>>>>>>>>>
>>>>>>>>> r0 = 221
>>>>>>>>>
>>>>>>>>> r3 = 0
>>>>>>>>>
>>>>>>>>> r6 = 0
>>>>>>>>>
>>>>>>>>> arg1 = 0
>>>>>>>>>
>>>>>>>>> __err = 221
>>>>>>>>>
>>>>>>>>> __ret = 0
>>>>>>>>>
>>>>>>>>> #1 0x00003fffa3e9ef64 in __GI___pthread_mutex_lock
>>>>>>>>> (mutex=0x100272a8) at ../nptl/pthread_mutex_lock.c:81
>>>>>>>>>
>>>>>>>>> __futex = 0x100272a8
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
>>>>>>>>>
>>>>>>>>> type = <optimized out>
>>>>>>>>>
>>>>>>>>> id = <optimized out>
>>>>>>>>>
>>>>>>>>> #2 0x00003fffa3f6ce8c in _gf_msg (domain=0x3fff98006c90
>>>>>>>>> "c_glusterfs-client-0", file=0x3fff9fb34de0 "client.c",
>>>>>>>>> function=0x3fff9fb34cd8 <__FUNCTION__.18849> "notify",
>>>>>>>>>
>>>>>>>>> line=<optimized out>, level=<optimized out>, errnum=<optimized
>>>>>>>>> out>, trace=<optimized out>, msgid=114020,
>>>>>>>>>
>>>>>>>>> fmt=0x3fff9fb35350 "parent translators are ready, attempting
>>>>>>>>> connect on transport") at logging.c:2058
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> msgstr = <optimized out>
>>>>>>>>>
>>>>>>>>> ap = <optimized out>
>>>>>>>>>
>>>>>>>>> this = 0x3fff980061f0
>>>>>>>>>
>>>>>>>>> ctx = 0x10027010
>>>>>>>>>
>>>>>>>>> callstr = '\000' <repeats 4095 times>
>>>>>>>>>
>>>>>>>>> passcallstr = 0
>>>>>>>>>
>>>>>>>>> log_inited = 0
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "_gf_msg"
>>>>>>>>>
>>>>>>>>> #3 0x00003fff9fb084ac in notify (this=0x3fff980061f0,
>>>>>>>>> event=<optimized out>, data=0x3fff98008c50) at client.c:2116
>>>>>>>>>
>>>>>>>>> conf = 0x3fff98056dd0
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "notify"
>>>>>>>>>
>>>>>>>>> #4 0x00003fffa3f68ca0 in xlator_notify (xl=0x3fff980061f0,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at xlator.c:491
>>>>>>>>>
>>>>>>>>> old_THIS = 0x3fff98008c50
>>>>>>>>>
>>>>>>>>> ret = 0
>>>>>>>>>
>>>>>>>>> #5 0x00003fffa3f87700 in default_notify (this=0x3fff98008c50,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at defaults.c:2302
>>>>>>>>>
>>>>>>>>> list = 0x3fff9800a340
>>>>>>>>>
>>>>>>>>> #6 0x00003fff9fac922c in afr_notify (this=0x3fff98008c50,
>>>>>>>>> event=1, data=0x3fff9800a4c0, data2=<optimized out>) at afr-common.c:3967
>>>>>>>>>
>>>>>>>>> priv = 0x3fff98010050
>>>>>>>>>
>>>>>>>>> i = <optimized out>
>>>>>>>>>
>>>>>>>>> up_children = <optimized out>
>>>>>>>>>
>>>>>>>>> down_children = <optimized out>
>>>>>>>>>
>>>>>>>>> propagate = 1
>>>>>>>>>
>>>>>>>>> had_heard_from_all = <optimized out>
>>>>>>>>>
>>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>>
>>>>>>>>> have_heard_from_all = 0
>>>>>>>>>
>>>>>>>>> idx = <optimized out>
>>>>>>>>>
>>>>>>>>> ret = 0
>>>>>>>>>
>>>>>>>>> call_psh = <optimized out>
>>>>>>>>>
>>>>>>>>> input = 0x0
>>>>>>>>>
>>>>>>>>> output = 0x0
>>>>>>>>>
>>>>>>>>> had_quorum = <optimized out>
>>>>>>>>>
>>>>>>>>> has_quorum = <optimized out>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "afr_notify"
>>>>>>>>>
>>>>>>>>> #7 0x00003fff9fad4994 in notify (this=<optimized out>,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at afr.c:38
>>>>>>>>>
>>>>>>>>> ret = -1
>>>>>>>>>
>>>>>>>>> ap = 0x3fffa034cc58 ""
>>>>>>>>>
>>>>>>>>> data2 = <optimized out>
>>>>>>>>>
>>>>>>>>> #8 0x00003fffa3f68ca0 in xlator_notify (xl=0x3fff98008c50,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at xlator.c:491
>>>>>>>>>
>>>>>>>>> old_THIS = 0x3fff9800a4c0
>>>>>>>>>
>>>>>>>>> ret = 0
>>>>>>>>>
>>>>>>>>> #9 0x00003fffa3f87700 in default_notify (this=0x3fff9800a4c0,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at defaults.c:2302
>>>>>>>>>
>>>>>>>>> list = 0x3fff9800b710
>>>>>>>>>
>>>>>>>>> #10 0x00003fff9fa6b1e4 in notify (this=<optimized out>,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at io-stats.c:3064
>>>>>>>>>
>>>>>>>>> ret = 0
>>>>>>>>>
>>>>>>>>> args = {type = IOS_DUMP_TYPE_NONE, u = {logfp = 0x0, dict
>>>>>>>>> = 0x0}}
>>>>>>>>>
>>>>>>>>> op = 0
>>>>>>>>>
>>>>>>>>> list_cnt = 0
>>>>>>>>>
>>>>>>>>> throughput = 0
>>>>>>>>>
>>>>>>>>> time = 0
>>>>>>>>>
>>>>>>>>> is_peek = _gf_false
>>>>>>>>>
>>>>>>>>> ap = 0x3fffa034ce68 ""
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "notify"
>>>>>>>>>
>>>>>>>>> #11 0x00003fffa3f68ca0 in xlator_notify (xl=0x3fff9800a4c0,
>>>>>>>>> event=<optimized out>, data=<optimized out>) at xlator.c:491
>>>>>>>>>
>>>>>>>>> old_THIS = 0x3fffa402d290 <global_xlator>
>>>>>>>>>
>>>>>>>>> ret = 0
>>>>>>>>>
>>>>>>>>> #12 0x00003fffa3fbd560 in glusterfs_graph_parent_up
>>>>>>>>> (graph=<optimized out>) at graph.c:440
>>>>>>>>>
>>>>>>>>> trav = 0x3fff9800a4c0
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> #13 0x00003fffa3fbdb90 in glusterfs_graph_activate
>>>>>>>>> (graph=0x3fff98000af0, ctx=0x10027010) at graph.c:688
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "glusterfs_graph_activate"
>>>>>>>>>
>>>>>>>>> #14 0x000000001000a49c in glusterfs_process_volfp (ctx=0x10027010,
>>>>>>>>> fp=0x3fff98001cd0) at glusterfsd.c:2221
>>>>>>>>>
>>>>>>>>> graph = 0x3fff98000af0
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> trav = <optimized out>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = <error reading variable __FUNCTION__
>>>>>>>>> (Cannot access memory at address 0x10010ec0)>
>>>>>>>>>
>>>>>>>>> #15 0x000000001000fd08 in mgmt_getspec_cbk (req=<optimized out>,
>>>>>>>>> iov=<optimized out>, count=<optimized out>, myframe=0x3fffa2bea06c) at
>>>>>>>>> glusterfsd-mgmt.c:1561
>>>>>>>>>
>>>>>>>>> rsp = {op_ret = 1059, op_errno = 0,
>>>>>>>>>
>>>>>>>>> spec = 0x3fff980018a0 "volume c_glusterfs-client-0\n
>>>>>>>>> type protocol/client\n option password
>>>>>>>>> 5fd8d83d-99f3-4630-97c6-965d7a8ead62\n option username
>>>>>>>>> e65687aa-e135-445e-8778-48bb8fb19640\n option transport-type tcp\n
>>>>>>>>> "..., xdata = {xdata_len = 0, xdata_val = 0x0}}
>>>>>>>>>
>>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>>
>>>>>>>>> frame = 0x3fffa2bea06c
>>>>>>>>>
>>>>>>>>> ctx = 0x10027010
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> size = 1059
>>>>>>>>>
>>>>>>>>> tmpfp = 0x3fff98001cd0
>>>>>>>>>
>>>>>>>>> volfilebuf = 0x0
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = <error reading variable __FUNCTION__ (Cannot
>>>>>>>>> access memory at address 0x10013570)>
>>>>>>>>>
>>>>>>>>> #16 0x00003fffa3f21ec4 in rpc_clnt_handle_reply (clnt=0x10089020,
>>>>>>>>> pollin=0x3fff98001760) at rpc-clnt.c:775
>>>>>>>>>
>>>>>>>>> conn = 0x10089050
>>>>>>>>>
>>>>>>>>> saved_frame = <optimized out>
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> req = 0x1008931c
>>>>>>>>>
>>>>>>>>> xid = 1
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "rpc_clnt_handle_reply"
>>>>>>>>>
>>>>>>>>> #17 0x00003fffa3f223d0 in rpc_clnt_notify (trans=<optimized out>,
>>>>>>>>> mydata=0x10089050, event=<optimized out>, data=<optimized out>) at
>>>>>>>>> rpc-clnt.c:933
>>>>>>>>>
>>>>>>>>> conn = 0x10089050
>>>>>>>>>
>>>>>>>>> clnt = <optimized out>
>>>>>>>>>
>>>>>>>>> ret = -1
>>>>>>>>>
>>>>>>>>> req_info = 0x0
>>>>>>>>>
>>>>>>>>> pollin = <optimized out>
>>>>>>>>>
>>>>>>>>> clnt_mydata = 0x0
>>>>>>>>>
>>>>>>>>> old_THIS = 0x3fffa402d290 <global_xlator>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "rpc_clnt_notify"
>>>>>>>>>
>>>>>>>>> #18 0x00003fffa3f1d4fc in rpc_transport_notify (this=<optimized
>>>>>>>>> out>, event=<optimized out>, data=<optimized out>) at rpc-transport.c:546
>>>>>>>>>
>>>>>>>>> ret = -1
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "rpc_transport_notify"
>>>>>>>>>
>>>>>>>>> #19 0x00003fffa0401d44 in socket_event_poll_in (this=this at entry=0x1008ab80)
>>>>>>>>> at socket.c:2236
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> pollin = 0x3fff98001760
>>>>>>>>>
>>>>>>>>> priv = 0x1008b820
>>>>>>>>>
>>>>>>>>> #20 0x00003fffa040489c in socket_event_handler (fd=<optimized
>>>>>>>>> out>, idx=<optimized out>, data=0x1008ab80, poll_in=<optimized out>,
>>>>>>>>> poll_out=<optimized out>, poll_err=<optimized out>)
>>>>>>>>>
>>>>>>>>> at socket.c:2349
>>>>>>>>>
>>>>>>>>> this = 0x1008ab80
>>>>>>>>>
>>>>>>>>> priv = 0x1008b820
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "socket_event_handler"
>>>>>>>>>
>>>>>>>>> #21 0x00003fffa3fe2874 in event_dispatch_epoll_handler
>>>>>>>>> (event=0x3fffa034d6a0, event_pool=0x10045bc0) at event-epoll.c:575
>>>>>>>>>
>>>>>>>>> handler = @0x3fffa041f620: 0x3fffa04046f0
>>>>>>>>> <socket_event_handler>
>>>>>>>>>
>>>>>>>>> gen = 1
>>>>>>>>>
>>>>>>>>> slot = 0x1007cd80
>>>>>>>>>
>>>>>>>>> data = <optimized out>
>>>>>>>>>
>>>>>>>>> ret = -1
>>>>>>>>>
>>>>>>>>> fd = 9
>>>>>>>>>
>>>>>>>>> ev_data = 0x3fffa034d6a8
>>>>>>>>>
>>>>>>>>> idx = 1
>>>>>>>>>
>>>>>>>>> #22 event_dispatch_epoll_worker (data=0x1008bd50) at
>>>>>>>>> event-epoll.c:678
>>>>>>>>>
>>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>>
>>>>>>>>> event = {events = 1, data = {ptr = 0x100000001, fd = 1,
>>>>>>>>> u32 = 1, u64 = 4294967297}}
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> ev_data = 0x1008bd50
>>>>>>>>>
>>>>>>>>> event_pool = 0x10045bc0
>>>>>>>>>
>>>>>>>>> myindex = <optimized out>
>>>>>>>>>
>>>>>>>>> timetodie = 0
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "event_dispatch_epoll_worker"
>>>>>>>>>
>>>>>>>>> #23 0x00003fffa3e9bb30 in start_thread (arg=0x3fffa034e160) at
>>>>>>>>> pthread_create.c:462
>>>>>>>>>
>>>>>>>>> pd = 0x3fffa034e160
>>>>>>>>>
>>>>>>>>> now = <optimized out>
>>>>>>>>>
>>>>>>>>> unwind_buf = {cancel_jmp_buf = {{jmp_buf =
>>>>>>>>> {2380233324717718430, 70367199403008, 2380233324703897146, 0, 0,
>>>>>>>>> 70367128645632, 70367137030688, 8388608, 70367199363104, 269008208,
>>>>>>>>>
>>>>>>>>> 70368094386592, 70367199388632, 70367200825640, 3,
>>>>>>>>> 0, 70367199388648, 70368094386240, 70368094386296, 4001536, 70367199364120,
>>>>>>>>> 70367137027904, -3187653596,
>>>>>>>>>
>>>>>>>>> 0 <repeats 42 times>}, mask_was_saved = 0}}, priv
>>>>>>>>> = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
>>>>>>>>> canceltype = 0}}}
>>>>>>>>>
>>>>>>>>> not_first_call = <optimized out>
>>>>>>>>>
>>>>>>>>> pagesize_m1 = <optimized out>
>>>>>>>>>
>>>>>>>>> sp = <optimized out>
>>>>>>>>>
>>>>>>>>> freesize = <optimized out>
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "start_thread"
>>>>>>>>>
>>>>>>>>> #24 0x00003fffa3de60fc in .__clone () at
>>>>>>>>> ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
>>>>>>>>>
>>>>>>>>> No locals.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thread 6 (LWP 1735):
>>>>>>>>>
>>>>>>>>> #0 0x00003fffa3ea3ccc in __pthread_cond_timedwait
>>>>>>>>> (cond=0x10059a98, mutex=0x10059a70, abstime=0x3fffa141f670) at
>>>>>>>>> pthread_cond_timedwait.c:198
>>>>>>>>>
>>>>>>>>> r4 = 393
>>>>>>>>>
>>>>>>>>> r7 = 0
>>>>>>>>>
>>>>>>>>> arg5 = 0
>>>>>>>>>
>>>>>>>>> arg2 = <optimized out>
>>>>>>>>>
>>>>>>>>> r5 = 2
>>>>>>>>>
>>>>>>>>> r8 = 4294967295
>>>>>>>>>
>>>>>>>>> arg6 = 4294967295
>>>>>>>>>
>>>>>>>>> arg3 = 2
>>>>>>>>>
>>>>>>>>> r0 = 221
>>>>>>>>>
>>>>>>>>> r3 = 516
>>>>>>>>>
>>>>>>>>> r6 = 70367154665072
>>>>>>>>>
>>>>>>>>> arg4 = 70367154665072
>>>>>>>>>
>>>>>>>>> arg1 = 268802716
>>>>>>>>>
>>>>>>>>> __err = <optimized out>
>>>>>>>>>
>>>>>>>>> __ret = <optimized out>
>>>>>>>>>
>>>>>>>>> futex_val = 2
>>>>>>>>>
>>>>>>>>> buffer = {__routine = @0x3fffa3ec0b50: 0x3fffa3ea3400
>>>>>>>>> <__condvar_cleanup>, __arg = 0x3fffa141f540, __canceltype = 0, __prev = 0x0}
>>>>>>>>>
>>>>>>>>> cbuffer = {oldtype = 0, cond = 0x10059a98, mutex =
>>>>>>>>> 0x10059a70, bc_seq = 0}
>>>>>>>>>
>>>>>>>>> result = 0
>>>>>>>>>
>>>>>>>>> pshared = 0
>>>>>>>>>
>>>>>>>>> pi_flag = 0
>>>>>>>>>
>>>>>>>>> err = <optimized out>
>>>>>>>>>
>>>>>>>>> val = <optimized out>
>>>>>>>>>
>>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>>
>>>>>>>>> seq = 0
>>>>>>>>>
>>>>>>>>> #1 0x00003fffa3fc0e74 in syncenv_task (proc=0x10053eb0) at
>>>>>>>>> syncop.c:607
>>>>>>>>>
>>>>>>>>> env = 0x10053eb0
>>>>>>>>>
>>>>>>>>> task = 0x0
>>>>>>>>>
>>>>>>>>> sleep_till = {tv_sec = 1536845230, tv_nsec = 0}
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> #2 0x00003fffa3fc1cdc in syncenv_processor (thdata=0x10053eb0) at
>>>>>>>>> syncop.c:699
>>>>>>>>>
>>>>>>>>> env = 0x10053eb0
>>>>>>>>>
>>>>>>>>> proc = 0x10053eb0
>>>>>>>>>
>>>>>>>>> task = <optimized out>
>>>>>>>>>
>>>>>>>>> #3 0x00003fffa3e9bb30 in start_thread (arg=0x3fffa1420160) at
>>>>>>>>> pthread_create.c:462
>>>>>>>>>
>>>>>>>>> pd = 0x3fffa1420160
>>>>>>>>>
>>>>>>>>> now = <optimized out>
>>>>>>>>>
>>>>>>>>> unwind_buf = {cancel_jmp_buf = {{jmp_buf =
>>>>>>>>> {2380233324731669406, 70367199403008, 2380233324703897146, 0, 0,
>>>>>>>>> 70367146283008, 70367154668064, 8388608, 70367199363104, 268779184,
>>>>>>>>>
>>>>>>>>> 268779184, 70367199388632, 70367200820192, 3, 0,
>>>>>>>>> 70367199388648, 70368094386080, 70368094386136, 4001536, 70367199364120,
>>>>>>>>> 70367154665280, -3187653564,
>>>>>>>>>
>>>>>>>>> 0 <repeats 42 times>}, mask_was_saved = 0}}, priv
>>>>>>>>> = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
>>>>>>>>> canceltype = 0}}}
>>>>>>>>>
>>>>>>>>> not_first_call = <optimized out>
>>>>>>>>>
>>>>>>>>> pagesize_m1 = <optimized out>
>>>>>>>>>
>>>>>>>>> sp = <optimized out>
>>>>>>>>>
>>>>>>>>> freesize = <optimized out>
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "start_thread"
>>>>>>>>>
>>>>>>>>> #4 0x00003fffa3de60fc in .__clone () at
>>>>>>>>> ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
>>>>>>>>>
>>>>>>>>> No locals.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thread 5 (LWP 1746):
>>>>>>>>>
>>>>>>>>> #0 0x00003fffa3ea7e38 in __lll_lock_wait (futex=0x100272a8,
>>>>>>>>> private=<optimized out>) at lowlevellock.c:46
>>>>>>>>>
>>>>>>>>> r4 = 128
>>>>>>>>>
>>>>>>>>> r7 = 0
>>>>>>>>>
>>>>>>>>> r5 = 2
>>>>>>>>>
>>>>>>>>> r8 = 1
>>>>>>>>>
>>>>>>>>> arg3 = 2
>>>>>>>>>
>>>>>>>>> r0 = 221
>>>>>>>>>
>>>>>>>>> r3 = 512
>>>>>>>>>
>>>>>>>>> r6 = 0
>>>>>>>>>
>>>>>>>>> arg4 = 0
>>>>>>>>>
>>>>>>>>> arg1 = 268595880
>>>>>>>>>
>>>>>>>>> __err = <optimized out>
>>>>>>>>>
>>>>>>>>> __ret = <optimized out>
>>>>>>>>>
>>>>>>>>> #1 0x00003fffa3e9ef64 in __GI___pthread_mutex_lock
>>>>>>>>> (mutex=0x100272a8) at ../nptl/pthread_mutex_lock.c:81
>>>>>>>>>
>>>>>>>>> __futex = 0x100272a8
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
>>>>>>>>>
>>>>>>>>> type = <optimized out>
>>>>>>>>>
>>>>>>>>> id = <optimized out>
>>>>>>>>>
>>>>>>>>> #2 0x00003fffa3f6ce8c in _gf_msg (domain=0x3fffa4009e38 "epoll",
>>>>>>>>> file=0x3fffa4009e28 "event-epoll.c", function=0x3fffa4009db8
>>>>>>>>> <__FUNCTION__.8510> "event_dispatch_epoll_worker",
>>>>>>>>>
>>>>>>>>> line=<optimized out>, level=<optimized out>, errnum=<optimized
>>>>>>>>> out>, trace=<optimized out>, msgid=101190, fmt=0x3fffa4009f48 "Started
>>>>>>>>> thread with index %d") at logging.c:2058
>>>>>>>>>
>>>>>>>>> ret = <optimized out>
>>>>>>>>>
>>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>>
>>>>>>>>> msgstr = <optimized out>
>>>>>>>>>
>>>>>>>>> ap = <optimized out>
>>>>>>>>>
>>>>>>>>> this = 0x3fffa402d290 <global_xlator>
>>>>>>>>>
>>>>>>>>> ctx = 0x10027010
>>>>>>>>>
>>>>>>>>> callstr = '\000' <repeats 4095 times>
>>>>>>>>>
>>>>>>>>> passcallstr = 0
>>>>>>>>>
>>>>>>>>> log_inited = 0
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "_gf_msg"
>>>>>>>>>
>>>>>>>>> #3 0x00003fffa3fe265c in event_dispatch_epoll_worker
>>>>>>>>> (data=0x3fff9802ffd0) at event-epoll.c:631
>>>>>>>>>
>>>>>>>>> event = {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0,
>>>>>>>>> u64 = 0}}
>>>>>>>>>
>>>>>>>>> ret = -1
>>>>>>>>>
>>>>>>>>> ev_data = 0x3fff9802ffd0
>>>>>>>>>
>>>>>>>>> event_pool = 0x10045bc0
>>>>>>>>>
>>>>>>>>> myindex = <optimized out>
>>>>>>>>>
>>>>>>>>> timetodie = 0
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "event_dispatch_epoll_worker"
>>>>>>>>>
>>>>>>>>> #4 0x00003fffa3e9bb30 in start_thread (arg=0x3fff9f37d160) at
>>>>>>>>> pthread_create.c:462
>>>>>>>>>
>>>>>>>>> pd = 0x3fff9f37d160
>>>>>>>>>
>>>>>>>>> now = <optimized out>
>>>>>>>>>
>>>>>>>>> unwind_buf = {cancel_jmp_buf = {{jmp_buf =
>>>>>>>>> {2380233325439331230, 70367199403008, 2380233324703897146, 0, 269006880,
>>>>>>>>> 70367112060928, 70367120445984, 8388608, 70367199363104,
>>>>>>>>>
>>>>>>>>> 70366999543760, 70367137025008, 70367199388632,
>>>>>>>>> 70367200825640, 3, 0, 70367199388648, 70367137024656, 70367137024712,
>>>>>>>>> 4001536, 70367199364120, 70367120443200, -3183328188,
>>>>>>>>>
>>>>>>>>> 0 <repeats 42 times>}, mask_was_saved = 0}}, priv
>>>>>>>>> = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
>>>>>>>>> canceltype = 0}}}
>>>>>>>>>
>>>>>>>>> not_first_call = <optimized out>
>>>>>>>>>
>>>>>>>>> pagesize_m1 = <optimized out>
>>>>>>>>>
>>>>>>>>> sp = <optimized out>
>>>>>>>>>
>>>>>>>>> freesize = <optimized out>
>>>>>>>>>
>>>>>>>>> __PRETTY_FUNCTION__ = "start_thread"
>>>>>>>>>
>>>>>>>>> #5 0x00003fffa3de60fc in .__clone () at
>>>>>>>>> ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
>>>>>>>>>
>>>>>>>>> No locals.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thread 4 (LWP 1733):
>>>>>>>>>
>>>>>>>>> #0 0x00003fffa3ea9150 in .__nanosleep () at
>>>>>>>>> ../sysdeps/unix/syscall-template.S:84
>>>>>>>>>
>>>>>>>>> No locals.
>>>>>>>>>
>>>>>>>>> #1 0x00003fffa3f93f28 in gf_timer_proc (ctx=0x10027010) at
>>>>>>>>> timer.c:205
>>>>>>>>>
>>>>>>>>> now = 20528921491
>>>>>>>>>
>>>>>>>>> now_ts = {tv_sec = 20, tv_nsec = 528921491}
>>>>>>>>>
>>>>>>>>> reg = 0x100533c0
>>>>>>>>>
>>>>>>>>> sleepts = {tv_sec = 0, tv_nsec = 2000000}
>>>>>>>>>
>>>>>>>>> event = 0x1008d280
>>>>>>>>>
>>>>>>>>> old_THIS = <optimized out>
>>>>>>>>>
>>>>>>>>> __FUNCTION__ = "gf_timer_proc"
>>>>>>>>>
>>>>>>>>> #2 0x00003fffa3e9bb30 in start_thread (arg=0x3fffa2420160) at
>>>>>>>>> pthread_create.c:462
>>>>>>>>>
>>>>>>>>> pd = 0x3fffa2420160
>>>>>>>>>
>>>>>>>>> now = <optimized out>
>>>>>>>>>
>>>>>>>>> unwind_buf = {cancel_jmp_buf = {{jmp_buf =
>>>>>>>>> {2380233324681337758, 70367199403008, 2380233
>>>>>>>>>
>>>>>>>>
--
Regards
Abhishek Paliwal
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