Created attachment 145870 [details] dmesg+logs from netconsole Hello Steps to reproduce the issue: the screen becomes black and machine hangs after sequence: rmmod i915 modprobe i915 modeset=1 How often: every time system architecture: x86_64 kernel version: 5.4.0-rc4 from drm-tip: commit 90d6ad2cbeadd27e867df4e649d61f14b4ac4b77 Linux distribution: Debian 10 Machine or mother board model: Dell Inspiron 3552 Display connector: build in screen lspci -v -n: 00:02.0 0300: 8086:22b1 (rev 35) (prog-if 00 [VGA controller]) Subsystem: 1028:06ac Flags: bus master, fast devsel, latency 0, IRQ 11 Memory at 90000000 (64-bit, non-prefetchable) [size=16M] Memory at 80000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [d0] Power Management version 2 Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [b0] Vendor Specific Information: Len=07 <?> Kernel modules: i915 I have to boot with i915.modeset=0. In other case machine hangs during startup process. I can reproduce this situation with rmmod i915, and then modprobe i915 modeset=1. Could you please help me? Thank you.
@Imre, any suggestions here?
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