TLB Invalidation time out on i915 SR-IOV passthrough
Rodrigo Vivi
rodrigo.vivi at intel.com
Wed Jan 29 14:09:17 UTC 2025
On Tue, Jan 28, 2025 at 08:54:10AM +0000, MARDI Youness wrote:
> Hello,
>
>
>
> Could you help us on this issue:
> [1]https://github.com/intel/linux-intel-lts/issues/54
>
>
>
> Host environment
>
> Operating system: Gentoo Base System release 2.14
> OS/kernel version:
> [2]https://github.com/intel/linux-intel-lts/tree/lts-v6.6.34-linux-240626T131354Z
https://github.com/intel/linux-intel-lts/blob/lts-v6.6.34-linux-240626T131354Z/drivers/gpu/drm/i915/README.sriov
Michal, could you please help here?
Thanks,
Rodrigo.
> Architecture: x86_64
> QEMU flavor: qemu-system-x86_64
> QEMU version: latest qemu (master branch)
> CPU: 12th Gen Intel(R) Core(TM) i7-1270P
> igpu: Alder Lake-P
> firmware:
> [3]https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-20241110.tar.gz
>
>
>
> Emulated/Virtualized environment
>
> Operating system: Windows 10 21H1
>
>
>
>
>
> Description of problem
>
> 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 appreciated, thanks a lot
>
>
>
> Best Regards,
>
>
>
> Youness MARDI
>
>
>
> C2 – Usage restreint
>
> References
>
> Visible links
> 1. https://github.com/intel/linux-intel-lts/issues/54
> 2. https://github.com/intel/linux-intel-lts/tree/lts-v6.6.34-linux-240626T131354Z
> 3. https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-20241110.tar.gz
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