Bug#1135966: Oops under ucsi_handle_connector_change when disconnecting docking station (multiple backtraces included)

From	Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1135966: Oops under ucsi_handle_connector_change when disconnecting docking station (multiple backtraces included)
Date	2026-05-17 14:40 +0200
Message-ID	<MVIWK-5OIz-13@gated-at.bofh.it> (permalink)
References	<MSeLv-3oK5-3@gated-at.bofh.it> <MSeLv-3oK5-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello Josh,

On Thu, May 07, 2026 at 02:45:24PM -0700, Josh Triplett wrote:
> Package: src:linux
> Version: 7.0.3-1
> Severity: important
> X-Debbugs-Cc: josh@joshtriplett.org
> 
> (Important because it's a kernel oops.)
> 
> Twice in a row now, I've had a kernel oops (GPF) when disconnecting my
> docking station, that hung the system badly enough I had to
> hard-power-off to recover (the display switched back to the internal
> display but the system was non-responsive). This didn't occur with the
> previous kernel. (This unfortunately doesn't reliably reproduce when I
> attach and detach the docking station. Both times it happened, the
> docking station had been attached for a while.)
> 
> I've attached both of the oops logs.

Looks related to
https://lore.kernel.org/all/20251218071925.3459787-1-acelan.kao@canonical.com/.

Can you please test this patch? (If you need help here, please tell so.)

Best regards
Uwe

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Bug#1135966: Oops under ucsi_handle_connector_change when disconnecting docking station (multiple backtraces included) Josh Triplett <josh@joshtriplett.org> - 2026-05-07 23:50 +0200
  Bug#1135966: Oops under ucsi_handle_connector_change when disconnecting docking station (multiple backtraces included) Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2026-05-17 14:40 +0200
  Processed: Re: Bug#1135966: Oops under ucsi_handle_connector_change  when disconnecting docking station (multiple backtraces included) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-17 14:40 +0200
  Processed: Re: Bug#1135966: Oops under ucsi_handle_connector_change  when disconnecting docking station (multiple backtraces included) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-17 14:40 +0200

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