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add drm log instructions
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@ -141,3 +141,28 @@ Now, in either `cwd`, `~` or `./build`, search for file(s) named
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`asan.log.XXXXX` where XXXXX is a number.
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Zip all of them up and attach to your issue.
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## Debugging DRM issues
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DRM (Direct Rendering Manager) is the underlying kernel architecture to take a gpu buffer (something
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we can render to) and put it on your screen (via the gpu) instead of a window.
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Freezes, glitches, and others, can be caused by issues with Hyprland's communication with DRM, the driver
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or kernel. In those cases, a DRM log is helpful.
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_Please note, these logs are EXTREMELY verbose. Please reproduce your bug(s) ASAP to avoid getting a 1GB log_
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```sh
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echo 0x19F | sudo tee /sys/module/drm/parameters/debug # cnables verbose drm logging
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sudo dmesg -C # clears kernel debug logs
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dmesg -w > ~/dmesg.log & # writes kernel logs in the background to a file at ~/dmesg.log
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Hyprland
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# ... repro the issue, then quit hyprland
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fg # after this, use CTRL+C to stop writing the logs
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echo 0 | sudo tee /sys/module/drm/parameters/debug # disables drm logging, don't forget this to avoid slowdowns
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```
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After this, _attach_ the `dmesg.log` file.
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