Re: Glusterd proccess hangs on reboot

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Same thing happens with 3.12.rc0. This time perf top shows hanging in
libglusterfs.so and below is the glusterd logs, which are different
from 3.10.
With 3.10.5, after 60-70 minutes CPU usage becomes normal and we see
brick processes come online and system starts to answer commands like
"gluster peer status"..

[2017-08-23 06:46:02.150472] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.152181] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.152287] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.153503] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.153647] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.153866] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.153948] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154018] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154108] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154162] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154250] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154322] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154425] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154494] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154575] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154649] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154705] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154774] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154852] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154903] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.154995] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.155052] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:02.155141] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:27.074052] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
[2017-08-23 06:46:27.077034] E [client_t.c:324:gf_client_ref]
(-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
[0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
[0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
[0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]

On Tue, Aug 22, 2017 at 7:00 PM, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote:
> I reboot multiple times, also I destroyed the gluster configuration
> and recreate multiple times. The behavior is same.
>
> On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee <amukherj@xxxxxxxxxx> wrote:
>> My guess is there is a corruption in vol list or peer list which has lead
>> glusterd to get into a infinite loop of traversing a peer/volume list and
>> CPU to hog up. Again this is a guess and I've not got a chance to take a
>> detail look at the logs and the strace output.
>>
>> I believe if you get to reboot the node again the problem will disappear.
>>
>> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote:
>>>
>>> As an addition perf top shows %80 libc-2.12.so __strcmp_sse42 during
>>> glusterd %100 cpu usage
>>> Hope this helps...
>>>
>>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban <cobanserkan@xxxxxxxxx>
>>> wrote:
>>> > Hi there,
>>> >
>>> > I have a strange problem.
>>> > Gluster version in 3.10.5, I am testing new servers. Gluster
>>> > configuration is 16+4 EC, I have three volumes, each have 1600 bricks.
>>> > I can successfully create the cluster and volumes without any
>>> > problems. I write data to cluster from 100 clients for 12 hours again
>>> > no problem. But when I try to reboot a node, glusterd process hangs on
>>> > %100 CPU usage and seems to do nothing, no brick processes come
>>> > online. You can find strace of glusterd process for 1 minutes here:
>>> >
>>> > https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0
>>> >
>>> > Here is the glusterd logs:
>>> > https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0
>>> >
>>> >
>>> > By the way, reboot of one server completes without problem if I reboot
>>> > the servers before creating any volumes.
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users@xxxxxxxxxxx
>>> http://lists.gluster.org/mailman/listinfo/gluster-users
>>
>> --
>> - Atin (atinm)
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