Public bug reported:
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
c9d01179e185f72b20af7e37aa4308f4c7ca7eeb, please fix it, thanks.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Package changed: subiquity (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/2060004
Title:
Fail to enable workqueue via accel-config under ubuntu server 24.04
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