From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 314BD324B20; Wed, 6 May 2026 19:41:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778096484; cv=none; b=ZBD2YXaz4PWB1hfqzSRRBrzr36T4o9USZ/SyXgg24ieh34gGPCZYtW9GK21aBRPWv66uGviTWNJj49h/je89bb2EZzI6BzDbqyoWoZcjEaoEd4S6E2Fj7Siz35LR4qWOQmzHHV2BUYzDPYICi1srZ4gfE1Et4FK4qJNh6JG8LEw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778096484; c=relaxed/simple; bh=coJtQ+FgTz2kkB+lzkzj+iOJQlTgxblG3WIYPqozQVA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=SLtLvZSkFaKXaCmfhtdUm7wmlIhz8Qt0Uo0xCU2kHCx+5sQ97lC8dvnXOuxaqPhwVFZ/tOOAe/SxvbV3t1E6hhkL64RZvPM7+sfTsvh/Zd+MbneIrl1doVbHUCV/kTsh7dpz4SPawUI3IeESMmmMOSLLInNSMcPQMcZ9i+gbrPM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=wbZoa8vJ; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=AxqgQ+t4; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="wbZoa8vJ"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="AxqgQ+t4" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1778096481; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Ijqy2/d6J8ZQPVUOuj/buCO3IPceYWbMDmJ2lSlKffY=; b=wbZoa8vJnVAQzN2n9Gg5pRURCxDLtKvidUT4grPOrcMuLMSOKLzaq5tOQU0NcII8yqWBKb TFwq2hnf0Gf2h+pT2GIv8md19OB0XZBiHur6hvjoA25F9+6buV1w7hTL7DheTlaWsjikoU Cz8bPA+I0r0zYl2WkV3z9BAZV6GDhJgVuP3t6dbAxUfESeBXzXT2obJQG8wY1lSLt2MeJz TlWktHoifpgmlvKDdFOFnvNRwaL9bJhIre5Hv6jyTKFQGv2DGITHrCbvIiwBROUSxd/MGo 3Hm/wFCjXIPY/JPKJMU7kdQIW7z4P8c9ODCPTEGhMa3DDyFfctYyfeqgLtrRrQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1778096481; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Ijqy2/d6J8ZQPVUOuj/buCO3IPceYWbMDmJ2lSlKffY=; b=AxqgQ+t48lMxky7rv8Yzqy0Y9V1z+YhT8BmuILKMsKY3RHcl6vAFmkfG+H6hXSzUS/JgKV F4Sd8RByCEUoItBg== To: "Ostrowski, Rafal" , Bert Karwatzki Cc: "Varone, Dillon" , "Hung, Alex" , "Deucher, Alexander" , Sebastian Andrzej Siewior , "linux-kernel@vger.kernel.org" , "linux-next@vger.kernel.org" , "linux-rt-devel@lists.linux.dev" , "amd-gfx@lists.freedesktop.org" Subject: Re: kernel panic when resuming from hibernate in next-20260406 with PREEMPT_RT In-Reply-To: References: <20260409131411.10598-1-spasswolf@web.de> Date: Wed, 06 May 2026 21:41:20 +0200 Message-ID: <87ik90wckf.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Rafal! On Mon, Apr 27 2026 at 09:23, Rafal Ostrowski wrote: > I am glad to hear that mentioned patch fixed your issue. > Small clarification - amdgpu is not designed to support > PREEMPT_RT flag, but it was still worth to fix as obvious regression. PREEMPT_RT is not a flag. It's a valid supported preemption model and you have to support it whether you like it or not. Please fix your CI to test with CONFIG_PREEMPT_RT=y so future issues like that can be avoided. Thanks, tglx