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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:07 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:17 +0200
commit9260319e7411ff8281700a532caa436f40120ec4 (patch)
tree2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/2722.toml
parent225caa38269323af1bfc2daadff5ec8bd930747f (diff)
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@@ -1,60 +0,0 @@
-id = 2722
-title = "TLB Invalidation time out on i915 SR-IOV passthrough"
-state = "closed"
-created_at = "2024-12-13T10:34:45.859Z"
-closed_at = "2025-01-20T17:39:32.204Z"
-labels = ["VFIO", "workflow::Needs Info"]
-url = "https://gitlab.com/qemu-project/qemu/-/issues/2722"
-host-os = "Gentoo Base System release 2.14"
-host-arch = "x86_64"
-qemu-version = "latest qemu (master branch)"
-guest-os = "Windows 10 21H1"
-guest-arch = "n/a"
-description = """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"""
-reproduce = "n/a"
-additional = "n/a"