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Re: failed to assign iommu device!

Geoffroy Van Cutsem
 

Hi!

 

Which version of ACRN are you using?

 

The error looks a bit different but be aware that the latest version of ACRN has a regression on QEMU: https://github.com/projectacrn/acrn-hypervisor/issues/5938

 

Thanks,
Geoffroy

 

From: acrn-users@... <acrn-users@...> On Behalf Of Krishna Kishore
Sent: Thursday, May 6, 2021 7:22 PM
To: acrn-users@...
Subject: [acrn-users] failed to assign iommu device!

 

[Edited Message Follows]

Can someone let me know how to overcome this problem? I am trying this https://projectacrn.github.io/latest/tutorials/acrn_on_qemu.html

Loading ACRN hypervisor with SDC scenario ...
error: Can't get controller info..
Multiboot Bootloader: GRUB 2.02-2ubuntu8.21
ACRN Hypervisor
calibrate_tsc, tsc_khz=2591442
[4589978us][cpu=0][(null)][sev=2][seq=1]:HV version 2.5-unstable-2021-05-06 20:06:44-7c92ac425 DBG (daily tag:acrn-2021w18.5-180000p) sdc@qemu build by kishore, start time 4579269us
[4591202us][cpu=0][(null)][sev=2][seq=2]:API version 1.0
[4591568us][cpu=0][(null)][sev=2][seq=3]:Detect processor: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
[4908926us][cpu=0][(null)][sev=1][seq=18]:PANIC: assign_vdev_pt_iommu_domain line: 296

[4909856us][cpu=0][(null)][sev=1][seq=19]:failed to assign iommu device!
ACRN:\>

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