Re: [PATCH v10 0/4] Introduce DRM device wedged event

[Raag Jadav <raag.jadav@intel.com>]

On Tue, Jan 21, 2025 at 01:59:47AM +0100, Xaver Hugl wrote:
> Hi,
> 
> I experimented with using this in KWin, and
> https://invent.kde.org/plasma/kwin/-/merge_requests/7027/diffs?commit_id=6da40f1b9e2bc94615a436de4778880cee16f940
> makes it fall back to a software renderer when a rebind is required to
> recover the GPU.
> Making it also survive the rebind properly is more challenging
> (current version of the MR doesn't do it for you and just crashes if
> you do it with a udev rule or manually), but it's doable - and not a
> problem of the API.
> 
> I'd really like to have the PID of the client that triggered the GPU
> reset, so that we can kill it if multiple resets are triggered in a
> row (or switch to software rendering if it's KWin itself) and show a
> user-friendly notification about why their app(s) crashed, but that
> can be added later.

Excellent! While we have our consumer implementation in progress, it's
always good to have wider adoption.

Thank you for your contribution.

Raag