Arch Linux

Rydwxz

Member

Registered: 2023-07-19

Posts: 11

broke i915 while trying to play with cuda

i don't have an nvidia gpu (yet) but i wanted to play with pytorch so i have all the packages installed. pacman now fails to update, and after booting the OS, the screen turns off.
last two boots

seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 76,048

Re: broke i915 while trying to play with cuda

Dec 05 01:32:00 archlinux kernel: i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
Dec 05 01:32:00 archlinux kernel: i915 0000:00:02.0: [drm] *ERROR* crtc 72: Can't calculate constants, dotclock = 0!
Dec 05 01:32:00 archlinux kernel: ------------[ cut here ]------------
Dec 05 01:32:00 archlinux kernel: i915 0000:00:02.0: drm_WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev))
Dec 05 01:32:00 archlinux kernel: WARNING: CPU: 3 PID: 181 at drivers/gpu/drm/drm_vblank.c:728 drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x28c/0x3a0
Dec 05 01:32:00 archlinux kernel: Modules linked in: ext4 crc32c_generic crc16 mbcache usb_storage jbd2 i915(+) i2c_algo_bit drm_buddy nvme ttm spi_intel_pci intel_gtt nvme_core crc32c_intel spi_intel drm_display_helper nvme_common xhci_pci cec xhci_pci_renesas video wmi
Dec 05 01:32:00 archlinux kernel: CPU: 3 PID: 181 Comm: (udev-worker) Not tainted 6.6.1-arch1-1 #1 be166a630cd909acf8820643140e9106c6ea80e6
Dec 05 01:32:00 archlinux kernel: Hardware name: System manufacturer System Product Name/PRIME H310-PLUS, BIOS 0402 03/19/2018
Dec 05 01:32:00 archlinux kernel: RIP: 0010:drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x28c/0x3a0
Dec 05 01:32:00 archlinux kernel: Code: 48 8b 5f 50 48 85 db 75 03 48 8b 1f e8 6d 56 02 00 48 c7 c1 c0 40 cc aa 48 89 da 48 c7 c7 dc 17 c2 aa 48 89 c6 e8 94 9f 7b ff <0f> 0b eb 13 48 8b 7b 08 44 89 d2 48 c7 c6 30 40 cc aa e8 ed 68 02
Dec 05 01:32:00 archlinux kernel: RSP: 0018:ffffc9000206f828 EFLAGS: 00010086

happens way before hte nvidia modules are loaded.

Try to add

i915.dmc_firmware_path=""

to the kernel parameters

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