I915 guc. 4 with kernel 6. launchpad. enable_guc=2 quiet" ### Attempt 2: manually disabling guc ### dmesg when passing i915. I am trying to configure the i915 driver on my XPS 13 (9360) running Ubuntu 16. org that enables GuC and HuC for intel i915 by Michal Wajdeczko. conf options i915 enable_gvt=1 fastboot=1 enable_guc=0 options i915 enable_fbc=1 enable_guc=3 This enables frame buffer compression (which generally works really well), and enables the GuC and HuC being loaded (3 is a bitmask 0b11). 3 The i915 driver supports dynamic enabling and disabling of entire hardware blocks at runtime. , for the Kaby Lake GuC, it may be kbl_guc_ver9_14. 02. The invalidation is done by sending a request directly to the GuC tlb_lookup that Jul 22, 2025 · Install the deb package with dpkg: dpkg -i /tmp/i915-sriov-dkms_2026. In your example the message was " /lib/firmware/i915/kbl_guc_ver9_14. orig/Documentation/gpu/i915. Hï, I encountered GPU hang issues on Ubuntu 24. scm: (modify-services %base-services The existing bonding uAPI is completely broken with GuC submission because whether a submission is a single context submit or parallel submit isn’t known until execbuf time activated via the I915_SUBMIT_FENCE. Hardware is Intel NUC11PAHi5 with i5-1135G7 (Tiger Lake) I'm running Proxmox 8. 文章浏览阅读2. Now you can add the VF, disable VM's emulated graphics, and start up the VM again to see if everything's working. 0 New parallel submission uAPI ¶ The existing bonding uAPI is completely broken with GuC submission because whether a submission is a single context submit or parallel submit isn't known until execbuf time activated via the I915_SUBMIT_FENCE. enable_guc=3 i915. Mar 12, 2025 · $ cat /etc/modprobe. I'm using the same dkms driver on the host as I am on the guest. enable_guc=4：这个参数与Intel的集成显卡有关。 i915是Intel集成显卡的内核驱动程序，enable_guc（Graphics Unit Control）设置为3通常意味着启用了GUC子系统，并且配置为使用所有可用的资源。 GUC可以提高显卡的性能，特别是在虚拟化环境中。 Previous message (by thread): [PATCH 1/3] drm/i915/guc/slpc: Enable GuC SLPC default strategies Next message (by thread): Fi. 8k次，点赞3次，收藏8次。本文详细介绍了在Linux系统中更新内核时遇到的i915图形固件缺失问题及其解决方案。通过下载并安装kbl_guc_ver9_14. . Setting hw. Please help me to understand. enable_guc=2 ： GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash i915. 1 version found: 0. bin version 7. Jul 3, 2025 · The GuC firmware had defined the interface for Translation Look-Aside Buffer (TLB) invalidation. enable_guc=3 module_blacklist=xe, or add to it if you have other arguments there already. enable_guc=0 at boot (roughly instead of the errors from attempt 1): [ 9. com/mailman/listinfo/ubuntu-bugs Previous message [Bug 2136090] [NEW] i915 GuC submission disabled on Come Mr. - intel/media-driver On my Ubuntu 22. Enable Intel GuC and HuC and Framebuffer compression GuC and HuC are features built into newer-gen Intel graphics and apparently have power usage and performance benefits. Use the driver module to enable GuC submission instead of linux kernel command line: echo 'options i915 enable_guc=3' > /etc/modprobe. bin " so you are missing the Kabylake GuC called: kbl_guc_ver9_14. cse - Converged Security Engine pmt - Intel Platform Telemetry firmware - Contains firmware required by i915. The existing bonding uAPI is completely broken with GuC submission because whether a submission is a single context submit or parallel submit isn’t known until execbuf time activated via the I915_SUBMIT_FENCE. force_probe=* i915. 16) or i915. > > v2: > Various -Daniel > --- > Documentation/gpu/i915. 5. enable_guc_loading=1 (before kernel 4. (optional) for better performance in DMA-BUF (especially if used with 60 FPS Qemu patch) disable framebuffer compression by adding i915. Nov 26 02:12:11 hp1gdslaptop kernel: i915 0000:00:02. This is especially important on the display side where software is supposed to control many power gates manually on recent hardware, since on the GT side a lot of the power management is done by the hardware. g. Both checks will report false on PREEMPT_RT if sleeping spinlocks are acquired leading to RCU splats while the function sleeps. Add i915. 04. 0: [drm] GT0: GuC firmware i915/tgl_guc_70. h contains definitions of GuC-related hardware: > registers, bitmasks, etc. In addition, we enable kernel mode setting via i915. md I was having a few graphical issues (such as stuttering), also getting errors in dmesg relating to Intel GPU, I have a Skylake intel GPU, I read about enabled GUC - i. deb Once finished, the kernel commandline needs to be adjusted: nano /etc/default/grub and change GRUB_CMDLINE_LINUX_DEFAULT to intel_iommu=on i915. This affects both Chrome (GPU compositing) and VMware Workstation (3D accelerated graphics), and may Daniel van Vugt Wed, 03 Sep 2025 05:46:44 -0700 Please try adding kernel parameter: i915. 09_amd64. bin两个文件，成功解决了update-initramfs命令执行时的警告信息。. rst | 4 ++-- > 1 file changed, 2 insertions (+), 2 deletions (-) > > --- lnx-415-rc2. enable_fbc=0 to kernel parameters. 20. enable_guc=0 to kernel parameters, see warning at Intel graphics#Enable GuC / HuC firmware loading. 2. Add kernel parameters to load GuC and HuC (contrary to popular belief, they are not enabled by default except on Intel gen12+ platforms in the kernel) by entering the $ cat /etc/modprobe. The i915 firmware download site for the Linux* Graphics can be found on: Update kernel parameters nano /etc/default/grub and change GRUB_CMDLINE_LINUX_DEFAULT to i915. ubuntu. conf Content The i915 driver supports dynamic enabling and disabling of entire hardware blocks at runtime. Add additional functionality to intel_gt_invalidate_tlb, invalidating the GuC TLBs and falling back to GT invalidation when the GuC is disabled. 现有的 bonding uAPI 与 GuC 提交完全中断，因为在通过 I915_SUBMIT_FENCE 激活的 execbuf 时间之前，不知道提交是单上下文提交还是并行提交。 为了使用 GuC 并行提交多个上下文，必须显式地用 N 个上下文注册该上下文，并且必须在单个命令中将所有 N 个上下文提交给 GuC。 在比较新的Linux发行版上为英特尔显卡获得硬件加速需要一些修改，因为默认值是面向最大稳定性而不是性能的，即使在内核和相关软件包中支持的较新硬件上也是如此。 我一直在尝试记录在较新的硬件上首次安装Fedora时… 最近翻 Wiki，看到 Kaby lake 在 Linux 下的驱动默认是不完整的。 需要你查询一下 firmware 是不是加载完整。 俩命令： sudo cat /sys/kernel/debug/dri/0/i915_huc_load_status sudo cat /sys/kernel/debug/dri/0/i915_guc_load_status 如果是 None 的话，那你可以试试下面的招。 the output of sudo cat /sys/kernel/debug/dri/0/i915_guc_load_statu is: GuC firmware status: path: (null) fetch: NONE load: NONE version wanted: 6. enable_guc 内核参数 控制，用法如下： 如果 GuC submission 或者 HuC 固件加载并未在您的 GPU 上默认启用，您可以手动启用它。 It turns out Intel GuC and HuC bits of the i915 driver don’t get loaded by default on Linux. net/ubuntu/+source/linux/+bug/2136090/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists. 1-amd64 Gigabyte b450i Aorus Pro Wifi AMD Ryzen 7 2700x Intel Arc A380 Add a Comment i915. bin). This gist will show you how to tune your Intel-based Skylake, Kabylake and beyond Integrated Graphics Core for performance and reliability through GuC and HuC firmware usage on Linux. enable_guc=3 (since kernel 4. CI. 0 Nov 26 02:12:11 hp1gdslaptop kernel: i915 0000:00:02. enable_guc=2 ##添加此参数 ##以下是开启直通与开启huc认证的引导行参数 GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on i915. I have created a kernel config file with this name: /etc/modprobe. Editing this file is > therefore not recommended. 0: [drm] GT0: HuC firmware i915/tgl_huc. Ubuntu kernel changes make it extra difficult to get them to load manually, so I wrote it down. i915kms. 04 guest image I'm not able to get the driver to load. Its usage is as follows: The factual accuracy of this article or section is disputed. rst > +++ lnx-415-rc2/Documentation/gpu/i915. > > This patch is derived from GuC loading work originally done by > Vinit Azad and Ben Widawsky. Bukwas [Bug 2136090] Re: i915 GuC submission disabled on CUbuntu Kernel Bot From: Sebastian Andrzej Siewior < [email protected] > intel_guc_send_busy_loop () looks at in_atomic () and irqs_disabled () to decide if it should busy-spin while waiting or if it may sleep. bin in the web page shown above. conf seemingly has the firmware load: drmn0: successfully loaded firmware image 'i915/kbl_guc_62. bin version 70. i915 - The main graphics driver (includes a compatible DRM subsystem and dmabuf if necessary). BUILD: failure for series starting with [1/3] drm/i915/guc/slpc: Enable GuC SLPC default strategies Next message (by thread): [PATCH 2/3] drm/i915/guc/slpc: Print more SLPC debug status information Previous message (by thread): [PATCH 3/3] EXPERIMENT: try to use the low latency rule here for this selftest Next message (by thread): [PATCH 1/3] drm/i915/guc/slpc: Enable GuC SLPC default strategies Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] More information about the Intel-gfx-trybot mailing list Daniel Vetter Mon, 13 Jul 2015 08:33:13 -0700 On Thu, Jul 09, 2015 at 07:29:05PM +0100, Dave Gordon wrote: > From: Alex Dai < [email protected] > > > This fetches the required firmware image from the filesystem, > then loads it into the GuC's memory via a dedicated DMA engine. max_vfs=7 module_blacklist=xe, or add to it if you have other arguments there already. BUILD: failure for series starting with [1/3] drm/i915/guc/slpc: Enable GuC SLPC default strategies Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] More information about the Intel-gfx-trybot mailing list Title: i915 GuC submission disabled on Comet Lake i3-10100 preventing VA-API hardware acceleration To manage notifications about this bug go to: https://bugs. kernel-doc:: drivers/gpu/drm/i915/intel_guc Re: [Intel-gfx] [PATCH 03/13 v4] drm/i915: Add GuC-rela O'Rourke, Tom Re: [Intel-gfx] [PATCH 03/13 v4] drm/i915: Add GuC- Daniel Vetter Re: [Intel-gfx] [PATCH 03/13 v4] drm/i915: Add O'Rourke, Tom [Intel-gfx] [PATCH 06/13 v4] drm/i915: Expose two LRC functi Dave Gordon Linux drm_sched GPU Job 스케줄러: drm_gpu_scheduler 아키텍처, Job 라이프사이클, dma_fence 동기화, priority run-queue, TDR, i915 GuC, amdgpu drm_sched 구현 종합 가이드. enable_guc=2” sudo update-initramfs –u sudo update-grub 重启 系统 重新启动后， 运行 命令： dmesg | grep guc 验证 guc 信息日志。 如果输出不包含 guc 详细信息，则 获取 最新的 guc/huc i915. Should we use modeset=0 or nomodeset, we instead opt for Xorg handling. 0. Previous message (by thread): Fi. bin和bxt_guc_ver8_7. scm ### attempt to set the kernel parameter in config. bin' But that breaks something with the graphics stack and glxinfo only reports 4. We should use this interface when invalidating the engine and GuC TLBs. Verify that the GuC / HuC modules are enabled The existing bonding uAPI is completely broken with GuC submission because whether a submission is a single context submit or parallel submit isn’t known until execbuf time activated via the I915_SUBMIT_FENCE. i915 - intel Kernel parameters: GuC, HuC Good morning, there is a new patch at kernel. fc44 in Fedora 44. - skylake-tuning-linux. enable_guc=xxx, which are no longer relevant. Improvements concern hardware acceleration, CPU<->GPU, CBR rate control on SKL low-power encoding mode, "graphics workload scheduling, some power management bits, and for select media capabilities. Each project is tagged consistently so when pulling these repos pull the same tag. 16). I am an i915 developer, and I would strongly suggest users not to use GuC/HuC on Gen9 unless specifically needed for some media use cases. 04 for better battery runtime. I have also tried setting only GuC (success) or only HuC (failure) to confirm that it isn't anything with the "3" option in the config. 16 在 /etc/default/grub 中添加i915. iwlwifi-mld-firmware: MLD Firmware for Intel (R) Wireless WiFi adapters It is sorted by the three letter product code of the processor (e. conf with options i915 enable_guc_loading=1 enable_guc_submission=1 Rebooted, then I could confirm I enabled GUC (previously, by default it wasn't) The existing bonding uAPI is completely broken with GuC submission because whether a submission is a single context submit or parallel submit isn’t known until execbuf time activated via the I915_SUBMIT_FENCE. It is possible to enable loading of the firmware using kernel parameter i915. > > i915_guc_reg. d/i915. e I created /etc/modprobe. 4 with an Intel Alder Lake Iris Xe (GT2) GPU. Enable GuC/HuC firmware loading by adding the i915 kernel module input parameter: $ echo "options i915 enable_guc=3" | sudo tee -a /etc/modprobe. In this case, use enable_guc=2. conf Update GRUB and initramfs, then shutdown the VM. lsmod | grep i915 i915 4157440 39 i2c_algo_bit 20480 1 i915 drm_buddy 20480 1 i915 video 77824 2 msi_wmi,i915 ttm 102400 1 i915 intel_gtt 24576 1 i915 drm_display_helper 217088 1 i915 cec 86016 2 drm_display_helper,i915 Low-power encoding, GuC and HuC firmware are automatically enabled, and users should not refer to settings like i915. bin' drmn0: successfully loaded firmware image 'i915/kbl_huc_4. deb12. To submit multiple contexts in parallel with the GuC the context must be explicitly registered with N contexts and all N contexts must be submitted in a Intel Graphics Media Driver to support hardware decode, encode and video processing. Does anyone know what could be happening? some system info: 6. For the i915 driver, GuC functionality is controlled by the enable_guc kernel module parameter. rst > @@ -341,10 +341,10 @@ GuC > GuC-specific firmware loader > ---------------------------- > > -. so it looks to me that the right solution would be to ensure that everytime that we disable the efficient freq we make sure to also set These MUST > be kept in sync with the definitions used by the GuC firmware, and > updates to this file will (or should) be autogenerated from the > source files used to build the firmware. 233275] Setting dangerous option enable_guc - tainting kernel sway works ### Attempt 3: through config. ) > > The soft min does not get messed up, but GuC keeps requesting RPe even after > disabling efficient freq. conf After the installation is complete, reboot the system: $ sudo reboot When the system reboots, Intel® Graphics HuC / GuC should be enabled. Dec 31, 2025 · The new experimental xe driver enables Guc and Huc functionality by default. 9. [7] GuC 和 HuC 的固件文件都包含在 linux-firmware 包 软件包中。 GuC 功能由 i915. 0-0. conf options i915 enable_guc=2 modeset=1 In this case, we just enable the Graphics micro (μ) Controller (GuC) with specific settings according to the exact Intel hardware. (unless we manually set min freq to RPn AFTER > disabling efficient). enable_guc="3" in loader. enable_guc=0 ** Also affects: linux-firmware (Ubuntu) Importance: Undecided Status: New Previous message (by thread): [PATCH 5/6] drm/i915/display: Add registers and compute the strength Next message (by thread): [PATCH 1/3] drm/i915/guc/slpc: Enable GuC View iwlwifi-mld-firmware-20260110-1. jrxfh, 83qb, mnb2rm, chp2, ieer7, ht1d, 2ogz1, puzktx, ilcun, kpz0,