Re: [PATCH v9 8/8] blk-mq-debugfs: warn about possible deadlock
kernel test robot <[email protected]>
| Newsgroups | dev.linux.lists.oe-lkp,org.kernel.vger.linux-block,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Hello,
kernel test robot noticed "blktests.nvme/040.fail" on:
commit: a228828b6a29e3787c2d4f30b966b4e723436491 ("[PATCH v9 8/8] blk-mq-debugfs: warn about possible deadlock")
url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/blk-wbt-factor-out-a-helper-wbt_set_lat/20260202-161435
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux.git for-next
patch link: https://lore.kernel.org/all/[email protected]/
patch subject: [PATCH v9 8/8] blk-mq-debugfs: warn about possible deadlock
in testcase: blktests
version: blktests-x86_64-5885dee-1_20260203
with following parameters:
disk: 1SSD
test: nvme-040
nvme_trtype: rdma
use_siw: true
config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]
2026-02-04 16:08:35 cd /lkp/benchmarks/blktests
2026-02-04 16:08:35 mkdir -p /mnt/nvme-040
2026-02-04 16:08:35 mount /dev/nvme0n1p1 /mnt/nvme-040
2026-02-04 16:08:35 echo nvme/040
2026-02-04 16:08:35 ./check -o /mnt/nvme-040 nvme/040
nvme/040 (tr=rdma) (test nvme fabrics controller reset/disconnect operation during I/O)
runtime 8.568s ...
nvme/040 (tr=rdma) (test nvme fabrics controller reset/disconnect operation during I/O) [failed]
runtime 8.568s ... 8.988s
something found in dmesg:
[ 161.504240] [ T3651] run blktests nvme/040 at 2026-02-04 16:08:36
[ 161.567237] [ T4057] loop0: detected capacity change from 0 to 2097152
[ 161.581589] [ T4062] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
[ 161.598986] [ T4067] iwpm_register_pid: Unable to send a nlmsg (client = 2)
[ 161.608814] [ T4067] nvmet_rdma: enabling port 0 (192.168.3.121:4420)
[ 161.658405] [ T1863] nvmet: Created nvm controller 1 for subsystem blktests-subsystem-1 for NQN nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349.
[ 161.686065] [ T4074] nvme nvme2: creating 128 I/O queues.
[ 162.191928] [ T4074] nvme nvme2: mapped 128/0/0 default/read/poll queues.
[ 162.263779] [ T4074] nvme nvme2: new ctrl: NQN "blktests-subsystem-1", addr 192.168.3.121:4420, hostnqn: nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349
[ 162.358452] [ T4108] block nvme0n1: No UUID available providing old NGUID
...
(See '/mnt/nvme-040/nodev_tr_rdma/nvme/040.dmesg' for the entire message)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260206/[email protected]
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki