lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 11 Mar 2024 16:16:40 +0100
From: Johan Hovold <johan@...nel.org>
To: regressions@...ts.linux.dev
Cc: Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Rob Clark <robdclark@...il.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Kuogee Hsieh <quic_khsieh@...cinc.com>,
	Daniel Thompson <daniel.thompson@...aro.org>,
	Bjorn Andersson <quic_bjorande@...cinc.com>,
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

On Mon, Mar 11, 2024 at 02:43:24PM +0100, Johan Hovold wrote:

> So, while it may still be theoretically possible to hit the resets after
> the revert, the HPD notify revert effectively "fixed" the regression in
> 6.8-rc1 by removing the preconditions that now made us hit it (i.e. the
> half-initialised bridge).
> 
> It seems the hotplug state machine needs to be reworked completely, but
> at least we're roughly back where we were with 6.7 (including that the
> bus clocks will never be turned of because of the rpm leaks on
> disconnect).

#regzbot introduced: e467e0bde881
#regzbot fix: 664bad6af3cb

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ