Fail to enable workqueue via accel-config under ubuntu server 24.04

Bug #2060004 reported by shangsong
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
New
Undecided
Kleber Sacilotto de Souza

Bug Description

1. Fresh install Ubuntu server 24.04 on the thinksystem server;
2. Add boot parameter "intel_iommu=on,sm_on" and restart
3. Verify Intel Data Streaming Accelerator (DSA) functionality via accel-config command, it fail to enable workqueue:
root@test:/# accel-config list
[]
root@test:/# accel-config config-wq dsa0/wq0.0 --group-id=0
root@test:/# accel-config config-wq dsa0/wq0.0 --priority=5
root@test:/# accel-config config-wq dsa0/wq0.0 --wq-size=8
root@test:/# accel-config config-engine dsa0/engine0.0 --group-id=0
root@test:/# accel-config config-wq dsa0/wq0.0 --type=user
root@test:/# accel-config config-wq dsa0/wq0.0 --name="dsa-test"
root@test:/# accel-config config-wq dsa0/wq0.0 --mode=dedicated
root@test:/# accel-config enable-device dsa0
enabled 1 device(s) out of 1
root@test:/#
root@test:/# accel-config enable-wq dsa0/wq0.0
failed in dsa0/wq0.0
enabled 0 wq(s) out of 1
Error[0x80200000] dsa0/wq0.0: Unknown error
root@test:/#

After comparing the kernel source, the issue comes from 7af1e0aceeb321cbc90fcf6fa0bec8870290377f, please fix it, thanks.

shangsong (shangsong2)
affects: subiquity (Ubuntu) → linux (Ubuntu)
shangsong (shangsong2)
description: updated
Changed in linux (Ubuntu):
assignee: nobody → Kleber Sacilotto de Souza (kleber-souza)
Revision history for this message
shangsong (shangsong2) wrote :

The issue cannot reproduce after set driver-name for wq. It can be closed now.

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