diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/2722')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/2722 | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/2722 b/gitlab/issues_text/target_missing/host_missing/accel_missing/2722 deleted file mode 100644 index 5cd09cff3..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/2722 +++ /dev/null @@ -1,48 +0,0 @@ -TLB Invalidation time out on i915 SR-IOV passthrough -Description of problem: -Hello, - -I tried to use SR-IOV on i915 driver freshly available on the [LTS intel kernel](https://github.com/intel/linux-intel-lts) with this [kernel version ](https://github.com/intel/linux-intel-lts/tree/lts-v6.6.34-linux-240626T131354Z) for pci passthrough purpose. -After setting up SR-IOV (kernel compilation, kernel cmdline, vfio-pci driver attribution to the new pci..) - I've got my two new pci. - -``` -00:02.0 VGA compatible controller: Intel Corporation Alder Lake-P Integrated Graphics Controller (rev 0c) -DeviceName: Onboard IGD - -Subsystem: Hewlett-Packard Company Alder Lake-P Integrated Graphics Controller -Kernel driver in use: i915 - -00:02.1 VGA compatible controller: Intel Corporation Alder Lake-P Integrated Graphics Controller (rev 0c) -Subsystem: Hewlett-Packard Company Alder Lake-P Integrated Graphics Controller -Kernel driver in use: vfio-pci - -00:02.2 VGA compatible controller: Intel Corporation Alder Lake-P Integrated Graphics Controller (rev 0c) -Subsystem: Hewlett-Packard Company Alder Lake-P Integrated Graphics Controller -Kernel driver in use: vfio-pci -``` -I gave one of those pci to my VM with this qemu cmdline: -``` --cpu host,migratable=on,hv-time,hv-relaxed,hv-vapic,hv-spinlocks=0x1fff,hv-passthrough,hv-vendor-id=IrisXE -... --device vfio-pci-nohotplug,host=0000:00:02.1,id=hostdev0,bus=pci.4,addr=0x0 -``` -Sometimes it working properly when I start the qemu cmdline but most of the time I've got those kernel errors and a GPU hang: -``` - kernel [ 2252.208134] i915 0000:00:02.0: [drm] ERROR GT0: GUC: TLB invalidation response timed out for seqno 9679 - kernel [ 2252.208134] i915 0000:00:02.0: [drm] ERROR GT0: GUC: TLB invalidation response timed out for seqno 9679 - kernel i915 0000:00:02.0: [drm] ERROR GT0: GUC: TLB invalidation response timed out for seqno 9679 - kernel i915 0000:00:02.0: [drm] ERROR GT0: GUC: TLB invalidation response timed out for seqno 9679 - .... - kernel Fence expiration time out i915-0000:00:02.0:renderThread22381:6e0! - kernel i915 0000:00:02.0: [drm] GT0: GuC firmware i915/adlp_guc_70.bin version 70.13.1 - kernel i915 0000:00:02.0: [drm] GT0: HuC firmware i915/tgl_huc.bin version 7.9.3 - kernel i915 0000:00:02.0: [drm] GT0: HuC: authenticated for all workloads - kernel i915 0000:00:02.0: [drm] GT0: GUC: submission enabled - kernel i915 0000:00:02.0: [drm] GT0: GUC: SLPC enabled - kernel [ 2730.991019] i915 0000:00:02.0: [drm] GPU HANG: ecode 12:1:85dfbfff, in renderThread [22381] - kernel [ 2730.991084] i915 0000:00:02.0: [drm] renderThread22381 context reset due to GPU hang -``` -It mostly appears when Qemu is starting.. - -Any help would be appreciate, thanks a lot |