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Bug#1149993: linux-image-7.2.8+deb14-amd64: i915 [drm] *ERROR* Failed to enable link training

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On Mon, Oct 05, 2026 at 08:30:33AM +0330, alirezaimi wrote:
> Package: src:linux
> Version: 7.2.8-1
> Severity: important
> X-Debbugs-Cc: alirezaimi@gmail.com
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
>    upgrade
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
>      i do not knwo ! 
>    * What was the outcome of this action?
>    screen goes off every minutes or two 
>    * What outcome did you expect instead?
>    work properly
> 
> *** End of the template - remove these template lines ***

Could you please try the 7.2.9-1 which was already uploaded, int
contains a related change in the i915 driver, which hopefully fixes
the problem.

It is a9047237769c ("drm/i915/quirks: Limit eDP rate to HBR2 on HP
Pavilion Plus 14-ew1"), although it is not matching exactly your
hardware and we do not have the very same ids.

If that does not work, can you pinpoint if that regressed from which
earlier kernel you deployed? If we have that we can send you bisect
instructions to narrow down the offending commit introducing the
issue.

Regards,
Salvatore

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Bug#1149993: linux-image-7.2.8+deb14-amd64: i915 [drm] *ERROR* Failed to enable link training alirezaimi <alirezaimi@gmail.com> - 2026-10-05 07:10 +0200
  Processed: Re: Bug#1149993: linux-image-7.2.8+deb14-amd64: i915  [drm] *ERROR* Failed to enable link training "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-10-05 09:50 +0200
  Bug#1149993: linux-image-7.2.8+deb14-amd64: i915 [drm] *ERROR* Failed to enable link training Salvatore Bonaccorso <carnil@debian.org> - 2026-10-05 09:50 +0200

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