[Gluster-devel] [Gluster-users] Crash in glusterfs!!!
Pranith Kumar Karampuri
pkarampu at redhat.com
Mon Sep 24 15:41:11 UTC 2018
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, 2380233324703897146, 0, 0,
>>>>>>>> 70367163060224, 70367171445280, 8388608, 70367199363104, 268595216,
>>>>>>>>
>>>>>>>> 268776384, 70367199388632, 70367200807088, 3, 0,
>>>>>>>> 70367199388648, 70368094385584, 70368094385640, 4001536, 70367199364120,
>>>>>>>> 70367171442496, -3187653564,
>>>>>>>>
>>>>>>>> ---Type <return> to continue, or q <return> to quit---
>>>>>>>>
>>>>>>>> 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"
>>>>>>>>
>>>>>>>> #3 0x00003fffa3de60fc in .__clone () at
>>>>>>>> ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
>>>>>>>>
>>>>>>>> No locals.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Thread 3 (LWP 1732):
>>>>>>>>
>>>>>>>> #0 0x00003fffa3e9d084 in pthread_join (threadid=70367137030496,
>>>>>>>> thread_return=0x0) at pthread_join.c:90
>>>>>>>>
>>>>>>>> r4 = 0
>>>>>>>>
>>>>>>>> r7 = 2
>>>>>>>>
>>>>>>>> arg2 = 0
>>>>>>>>
>>>>>>>> r5 = 1743
>>>>>>>>
>>>>>>>> r8 = 2
>>>>>>>>
>>>>>>>> arg3 = 1743
>>>>>>>> <p
>>>>>>>> class="m_5332120683958399093m_6916172682174822483m_-2822652243729768044m_3647924144486264624m_-2182742917493080152m_552285968122610423m_3610462426325886337gmail-x_MsoNormal"
>>>>>>>> style="marg
>>>>>>>>
>>>>>>>
--
Pranith
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