Public bug reported:
My QLogic direct-connect SANboot host with Ubuntu Server 18.04 LTS is
seeing paths added during testing. Specifically added when running the
command below:
echo 1 > /sys/class/fc_host/host15/issue_lip
There should be four paths total but if I run the command above five
times, I will see nine total paths. The server will hang and require a
reboot eventually as multiple hung_task_timeout errors show up in logs.
Information on HBAs below:
root@ICTM1607S02H4:~# cat /sys/class/fc_host/host*/symbolic_name
QLE2742 FW:v8.08.231 DVR:v10.00.00.02-k
QLE2742 FW:v8.08.231 DVR:v10.00.00.02-k
QLE2692 FW:v8.08.231 DVR:v10.00.00.02-k
QLE2692 FW:v8.08.231 DVR:v10.00.00.02-k
An example of what a volume looks like in multipath -ll after the
issue_lip occurs:
root@ICTM1607S02H4:~# multipath -ll
36d039ea0003ebb140000009e58b1fabf dm-3 NETAPP,INF-01-00
size=160G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua'
wp=rw
|-+- policy='service-time 0' prio=50 status=active
| |- 13:0:0:0 sdl 8:176 active ready running
| |- 15:0:0:0 sdq 65:0 active ready running
| `- 15:0:1:0 sdv 65:80 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
|- 12:0:0:0 sdb 8:16 active ready running
`- 14:0:0:0 sdc 8:32 active ready running
Notice how a path is added after issue_lip.
1) version_signature.log
Ubuntu 4.15.0-74.84-generic 4.15.18
2) lspci -vnvn output is in a file attached.
root@ICTM1607S02H4:~# lsb_release -rd
Description: Ubuntu 18.04.3 LTS
Release: 18.04
root@ICTM1607S02H4:~# apt-cache policy linux-image-generic
linux-image-generic:
Installed: 4.15.0.74.76
Candidate: 4.15.0.74.76
Version table:
*** 4.15.0.74.76 500
500 http://repomirror-ict.eng.netapp.com/ubuntu bionic-updates/main
amd64 Packages
500 http://repomirror-ict.eng.netapp.com/ubuntu bionic-security/main
amd64 Packages
100 /var/lib/dpkg/status
4.15.0.20.23 500
500 http://repomirror-ict.eng.netapp.com/ubuntu bionic/main amd64
Packages
I expected the bus reset to quickly add and remove, but it seems removal
is not happening. The number of paths grow after each bus reset causing
instability with the OS.
I have attached logs.zip which contains four files.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "logs.zip"
https://bugs.launchpad.net/bugs/1861219/+attachment/5323620/+files/logs.zip
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https://bugs.launchpad.net/bugs/1861219
Title:
QLogic FC paths added when issue_lip
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