Hello
I found this failure on stable 5.13.16-rc1[1] and cannot reproduce it
on 5.14, seems we are missing commit[2] on 5.13.y, could anyone help
check it?
[1]
# nvme_trtype=tcp ./check nvme/014
nvme/014 (flush a NVMeOF block device-backed ns) [passed]
runtime 30.745s ... 22.110s
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 16G 0 part /mnt/dmtest/data
├─sda3 8:3 0 15G 0 part /mnt/xfstests/mnt1
├─sda4 8:4 0 1K 0 part
├─sda5 8:5 0 15G 0 part /mnt/xfstests/mnt2
├─sda6 8:6 0 7.9G 0 part [SWAP]
├─sda7 8:7 0 5G 0 part /mnt/xfstests/logwrites
├─sda8 8:8 0 1G 0 part /mnt/dmtest/metadata
└─sda9 8:9 0 404.9G 0 part /
zram0 252:0 0 8G 0 disk [SWAP]
nvme0n1 259:3 0 1G 0 disk
[ 133.791507] run blktests nvme/014 at 2021-09-12 08:08:17
[ 133.908750] loop0: detected capacity change from 0 to 2097152
[ 133.927551] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
[ 133.942518] nvmet_tcp: enabling port 0 (127.0.0.1:4420)
[ 133.977746] nvmet: creating controller 1 for subsystem
blktests-subsystem-1 for NQN
nqn.2014-08.org.nvmexpress:uuid:c4c5023e9bcd4cb5889e9510622eb88c.
[ 133.994170] nvme nvme0: creating 4 I/O queues.
[ 133.999881] nvme nvme0: mapped 4/0/0 default/read/poll queues.
[ 134.008683] nvme nvme0: new ctrl: NQN "blktests-subsystem-1", addr
127.0.0.1:4420
[ 151.223049] nvme nvme0: using deprecated NVME_IOCTL_IO_CMD ioctl on
the char device!
[ 155.675634] nvme nvme0: Removing ctrl: NQN "blktests-subsystem-1"
[ 155.682902] block nvme0n1: no available path - failing I/O
[ 155.689137] block nvme0n1: no available path - failing I/O
[ 155.695295] Buffer I/O error on dev nvme0n1, logical block 32,
async page read
[2]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5396fdac56d87d04e75e5068c0c92d33625f51e7
5396fdac56d8 nvme: fix refcounting imbalance when all paths are down
--
Best Regards,
Yi Zhang
