https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253982
Bug ID: 253982
Summary: Display goes dead with intel_do_flush_locked failed:
Input/output error on Dell XPS m1330
Product: Base System
Version: 12.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Hi,
I'm not sure where to file this bug exactly, but since I upgraded my old Dell
XPS m1330 from 12.1 to 12.2 I experience weird issues with the display possibly
related to OpenGL. Applications triggering this behaviour so far are: ktouch,
vice, scummvm and possibly others. It seems only programs using OpenGL trigger
this.
1. I start a program (i.e. ktouch)
2. after 1-2 seconds the display goes dark
3. in the error log of X is the line `intel_do_flush_locked failed:
Input/output error`
4. no graphics or text console works (display is completely dead until reboot)
However the machine still runs, I can ssh into it and verify that. But display
is and stays dead until reboot.
In dmesg there is this message:
```
drmn0: =======================================================
drmn0: This code is deprecated. Install the graphics/drm-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: =======================================================
drmn0: This code is deprecated. Install the graphics/drm-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: <Intel i965GM> on vgapci0
```
The package drm-kmod is installed.
Are there any ideas what could be the issue here (kernel, drm-drivers)?
And how can I help debugging/solving this?
Kind regards,
Jens
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