thanks for help.
here is exec testcase and this case dmsg.
exec case(nvme/017):
./check nvme/017
nvme/017 (create/delete many file-ns and test discovery)
nvme/017 (create/delete many file-ns and test discovery) [failed]
runtime ... 52.826s
--- tests/nvme/017.out 2021-09-07 20:22:14.000000000 +0000
+++ /blktests/results/nodev/nvme/017.out.bad 2021-09-15 07:37:57.844363924 +0000
@@ -1,4 +1,1004 @@
Running nvme/017
+tests/nvme/rc: line 236: printf: write error: Invalid argument
+tests/nvme/rc: line 236: printf: write error: Invalid argument
+tests/nvme/rc: line 236: printf: write error: Invalid argument
+tests/nvme/rc: line 236: printf: write error: Invalid argument
+tests/nvme/rc: line 236: printf: write error: Invalid argument
+tests/nvme/rc: line 236: printf: write error: Invalid argument
...
===dmsg===
[ 132.507288] run blktests nvme/017 at 2021-09-15 07:37:04
[ 132.625368] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
[ 132.641069] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.672208] nvmet: adding nsid 2 to subsystem blktests-subsystem-1
[ 132.689458] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.719888] nvmet: adding nsid 3 to subsystem blktests-subsystem-1
[ 132.737744] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.767270] nvmet: adding nsid 4 to subsystem blktests-subsystem-1
[ 132.784708] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.815045] nvmet: adding nsid 5 to subsystem blktests-subsystem-1
[ 132.833484] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.865054] nvmet: adding nsid 6 to subsystem blktests-subsystem-1
[ 132.882758] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.914428] nvmet: adding nsid 7 to subsystem blktests-subsystem-1
[ 132.932313] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 132.962468] nvmet: adding nsid 8 to subsystem blktests-subsystem-1
[ 132.981265] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 133.011579] nvmet: adding nsid 9 to subsystem blktests-subsystem-1
[ 133.031565] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
.....
[ 180.912375] nvmet: adding nsid 996 to subsystem blktests-subsystem-1
[ 180.932275] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 180.961400] nvmet: adding nsid 997 to subsystem blktests-subsystem-1
[ 180.979499] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 181.008340] nvmet: adding nsid 998 to subsystem blktests-subsystem-1
[ 181.027465] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 181.058338] nvmet: adding nsid 999 to subsystem blktests-subsystem-1
[ 181.076647] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 181.105358] nvmet: adding nsid 1000 to subsystem blktests-subsystem-1
[ 181.123796] nvmet: failed to open file /blktests/results/tmpdir.nvme.017.pdW/img: (-22)
[ 181.183335] nvmet: creating controller 1 for subsystem nqn.2014-08.org.nvmexpress.discovery for NQN nqn.2014-08.org.nvmexpress:uuid:71bd033c-1164-4503-930c-4bab1cdc09d9.
[ 181.211442] nvme nvme2: new ctrl: "nqn.2014-08.org.nvmexpress.discovery"
[ 181.232221] nvme nvme2: Removing ctrl: NQN "nqn.2014-08.org.nvmexpress.discovery"
________________________________________
From: Chaitanya Kulkarni <chaitanyak@xxxxxxxxxx>
Sent: Tuesday, September 7, 2021 15:05
To: Zhu, YifeiX; linux-block@xxxxxxxxxxxxxxx
Cc: Li, Philip; Ma, XinjianX
Subject: Re: blktests nvme testcase error
> CODE：
> 221 _create_nvmet_ns() {
> 222 local nvmet_subsystem="$1"
> 223 local nsid="$2"
> 224 local blkdev="$3"
> 225 local uuid="00000000-0000-0000-0000-000000000000"
> 226 local subsys_path="${NVMET_CFS}/subsystems/${nvmet_subsystem}"
> 227 local ns_path="${subsys_path}/namespaces/${nsid}"
> 228
> 229 if [[ $# -eq 4 ]]; then
> 230 uuid="$4"
> 231 fi
> 232
> 233 mkdir "${ns_path}"
> 234 printf "%s" "${blkdev}" > "${ns_path}/device_path"
> 235 printf "%s" "${uuid}" > "${ns_path}/device_uuid"
> 236 printf 1 > "${ns_path}/enable"
> 237 }
>
You should be able to get the error in the dmsg, please share that output..
