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
