[VROC]Call trace during IO on IMSM RAID 5 (fio performance check)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
intel |
Won't Fix
|
Undecided
|
Unassigned | ||
Ubuntu |
New
|
Undecided
|
Unassigned |
Bug Description
Description
There is a call trace during fio testing of IMSM RAID 5 array. Call trace is attached.
How reproducible: always (after few hours of fio testing)
Steps to Reproduce:
1. Create IMSM RAID5 with 4 disks:
mdadm -C /dev/md/imsm0 -n 4 -e imsm /dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1
mdadm -C /dev/md126 /dev/md/imsm0 -n4 -l 5 -c 64 -f
2. Increase number of RAID5 threads:
echo 4 > /sys/block/
3. Trigger fio:
fio --time_based --name=
Target Kernel: TBD
Target Release: 19.10
tags: |
added: intel-kernel-19.10 removed: intel-kernel-19.04 |
description: | updated |
Changed in intel: | |
status: | New → Won't Fix |
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