1 files changed, 60 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2722.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2722.toml
new file mode 100644
index 000000000..35d4bb056
--- /dev/null
+++ b/gitlab/issues/target_missing/host_missing/accel_missing/2722.toml
@@ -0,0 +1,60 @@
+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"