---
** [tickets:#3127] mds: ckpttest 20 11 fail with mds fctrl enable**
**Status:** assigned
**Milestone:** 5.20.01
**Created:** Wed Dec 04, 2019 08:42 AM UTC by Thuan Tran
**Last Updated:** Wed Dec 04, 2019 08:42 AM UTC
**Owner:** Thuan Tran
ckpttest 20 11 failure.
ckptnd is stuck in Receive ChunkAck retrying to send first unsent message in
loop 100 times (total 5s).
No more message send out in this period cause reassemble timer expired.
~~~
<143>1 2019-12-04T03:39:40.052954+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24184"] FCTRL: process flow event start [evt:6]
<143>1 2019-12-04T03:39:40.052966+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24185"] FCTRL: [me] <-- [node:1001001, ref:3127698189],
RcvChkAck[fseq:649, chunk:3], sndwnd[acked:646, send:789, nacked:9223353],
queue[size:142]
<141>1 2019-12-04T03:39:40.053025+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24186"] FCTRL: [me] --> [node:1001001, ref:3127698189],
SndQData[fseq:680, len:65262], sndwnd[acked:649, send:789, nacked:9027567]
<141>1 2019-12-04T03:39:40.053102+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24188"] FCTRL: [me] --> [node:1001001, ref:3127698189],
SndQData[fseq:681, len:65262], sndwnd[acked:649, send:789, nacked:9027567]
<143>1 2019-12-04T03:39:40.053151+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24190"] FCTRL: Receive ChunkAck
<141>1 2019-12-04T03:39:40.053407+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24192"] FCTRL: [me] --> [node:1001001, ref:3127698189],
SndQData[fseq:682, len:65262], sndwnd[acked:649, send:789, nacked:9027567]
<143>1 2019-12-04T03:39:40.05344+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24193"] FCTRL: process flow event end
<143>1 2019-12-04T03:39:40.053456+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24194"] FCTRL: process flow event start [evt:6]
<143>1 2019-12-04T03:39:40.053471+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24195"] FCTRL: [me] <-- [node:1001001, ref:3127698189],
RcvChkAck[fseq:652, chunk:3], sndwnd[acked:649, send:789, nacked:9027567],
queue[size:139]
<141>1 2019-12-04T03:39:40.053528+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24196"] FCTRL: [me] --> [node:1001001, ref:3127698189],
SndQData[fseq:683, len:65262], sndwnd[acked:652, send:789, nacked:8831781]
<143>1 2019-12-04T03:39:40.054212+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24199"] FCTRL: Receive ChunkAck
<143>1 2019-12-04T03:39:40.054928+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24203"] FCTRL: Receive ChunkAck
<143>1 2019-12-04T03:39:40.795791+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24207"] FCTRL: Receive ChunkAck
<143>1 2019-12-04T03:39:41.216893+01:00 PL-3 osafckptnd 241 mds.log [meta
sequenceId="24211"] FCTRL: Receive ChunkAck
~~~
Then ckpttest timeout for sndrsp message.
~~~
<139>1 2019-12-04T03:39:44.915533+01:00 SC-1 osafckptnd 383 mds.log [meta
sequenceId="21632"] MDTM: Tmr Mailbox Processing:Reassemble Tmr Hdl=0xfee00004
<139>1 2019-12-04T03:39:44.915561+01:00 SC-2 osafckptnd 340 mds.log [meta
sequenceId="18332"] MDTM: Tmr Mailbox Processing:Reassemble Tmr Hdl=0xfee00003
<139>1 2019-12-04T03:41:35.741697+01:00 PL-3 ckpttest 353 mds.log [meta
sequenceId="3386"] MDS_SND_RCV: Timeout occured
<139>1 2019-12-04T03:41:35.7418+01:00 PL-3 ckpttest 353 mds.log [meta
sequenceId="3387"] MDS_SND_RCV: Timeout or error occured on sndrsp message
<139>1 2019-12-04T03:41:35.741823+01:00 PL-3 ckpttest 353 mds.log [meta
sequenceId="3388"] MDS_SND_RCV: Adest=<0x0002030f,1253863792>
~~~
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