Date: Sun, 21 Jul 2019 18:07:06 +0200 From: Evilham <contact@evilham.com> To: freebsd-current@freebsd.org Subject: Re: acpi issues on FreeBSD-current_r350103 on Thinkpad A485 Message-ID: <7f93a34e-0603-410b-850a-ab2708e19273@yggdrasil.evilham.com> In-Reply-To: <64f3212b-cbe7-4c8f-84df-48f14a0bf44f@yggdrasil.evilham.com> References: <CAG%2B4yk=DU9o=5oEaFgZ91pufwyUtY9wH1AAhsqG-RhTkB3Zsug@mail.gmail.com> <3b186187-c9f6-46d2-939a-eceb6fa0359c@yggdrasil.evilham.com> <56603047-4997-1fb5-18e1-3752cdaf3a18@nomadlogic.org> <64f3212b-cbe7-4c8f-84df-48f14a0bf44f@yggdrasil.evilham.com>
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On ds., jul. 20 2019, Evilham wrote: >>> Serious issue: >>> I was just debugging this right now, more infos with a proper >>> bug >>> report will come, but I think the system encounters a deadlock >>> sometimes with the drm-kmod / amdgpu which results in a kernel >>> panic. >>> It is a serious issue, but it allows me to use the computer >>> for >>> work, >>> it doesn't happen every couple hours, but it does happen a >>> couple >>> times a day. >>> >>> FWIW, this is part of the crashlog: >>> >>> WARNING !drm_modeset_is_locked(&plane->mutex) failed at >>> /wrkdirs/usr/ports/graphics/drm-fbsd12.0-kmod/work/kms-drm-6365030/drivers/gpu/drm/drm_atomic_helper.c:821 >>> [Multiple times...] >>> kernel trap 22 with interrupts disabled >>> kernel trap 22 with interrupts >>> disabled >>> kernel trap 22 with interrupts disabled >>> kernel trap 22 with interrupts disabled >>> panic: spin lock held too long And this is why I wanted to do more debugging before raising an issue :-). It kept happening without drm-kmod but the backtrace was different, which allowed me to reduce it to a piece of alpha Software I use pretty much all the time: WireGuard. See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239351 So, update: there is no *serious* issue when using the ThinkPad A485, it works mostly fine with minor annoyances (including the fact that installation media won't work out of the box). -- Evilham
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