From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.15.4]) (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 E17782594A0 for ; Wed, 11 Dec 2024 22:46:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733957217; cv=none; b=FvlAbwztwGhZ6RJwxoSdO81QC5q/DrXAp4AzqTG2fapWWY7MM/kEudziUdNbp5xnCv7/+FFjqUkQJF4KZyWbZZw4AGn1+oPca7yNkIbBY2v8rXNEsu9SRCfYs0tdmvBqjvIuCEAcAZPzGpXLJKFGIXIdMlbioe09WfQNdxEyM9Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733957217; c=relaxed/simple; bh=XmpTB5P/asjgarifWBAVexcPHqExuER4d7PMPYHy4CA=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=k9TsyY3839/OG39F51oLoCYanfhG6Q9BkGhosbrrYp7TKcDiHJrM02hRjY5s1NcUgEIM62J0/QrMij9O/4OFlQgTs77hKKe+NHNRDmV1c8MxevX7/MW2OvjY14P2OLFbfmtN1OY5B7OPvDaK7azqPEIrfh+qLDbXK2B1I2AWjrc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=spasswolf@web.de header.b=HEHg4QN+; arc=none smtp.client-ip=212.227.15.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=spasswolf@web.de header.b="HEHg4QN+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1733957190; x=1734561990; i=spasswolf@web.de; bh=XmpTB5P/asjgarifWBAVexcPHqExuER4d7PMPYHy4CA=; h=X-UI-Sender-Class:Message-ID:Subject:From:To:Cc:Date:In-Reply-To: References:Content-Type:MIME-Version:Content-Transfer-Encoding:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=HEHg4QN+M90I4L1WdUjMgCx8DVG10Q+GiW8G7e8AVR+Tqy2sT0o09Swg7nVofqwS HTUQZYIc5VlrFpsRUiIGlHIB/oY2Nw7DYtxLVeE5iq/XXYgXkrGY0XwEoCMy4zsMU UI6UQ2lMxCsuxM+ktRy83tPoE8Di/elj1xhfwMfsFpZ2wLCPOYgh7yCTGHQQoNEbr WZ+Hdsgr0uy2nqtkUymy82HmZUQp0eppjq84j0jWmVfalvhf6HWCJEEYwDNGR69iW D+3sTeYrWk5RLM9M/E54h9618FlegDKopZhfy5XOtVNAVwTKlaRIwOqDlsUygnYw3 lLh5QzaVLVKlnmZcDQ== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.0.101] ([84.119.92.193]) by smtp.web.de (mrweb006 [213.165.67.108]) with ESMTPSA (Nemesis) id 1N4NDG-1tmgoC2wGk-016YGW; Wed, 11 Dec 2024 23:46:30 +0100 Message-ID: <75a27bab5671c43d2be6a26ac23916b731204086.camel@web.de> Subject: Re: commit 894d1b3db41c leads to frequent hangs when booting From: Bert Karwatzki To: jstultz@google.com Cc: Metin.Kaya@arm.com, boqun.feng@gmail.com, bsegall@google.com, daniel.lezcano@linaro.org, dave@stgolabs.net, dietmar.eggemann@arm.com, joelaf@google.com, juri.lelli@redhat.com, kernel-team@android.com, kprateek.nayak@amd.com, linux-kernel@vger.kernel.org, longman@redhat.com, mgorman@suse.de, mingo@redhat.com, paulmck@kernel.org, peterz@infradead.org, qyousef@layalina.io, rostedt@goodmis.org, tglx@linutronix.de, vincent.guittot@linaro.org, vschneid@redhat.com, will@kernel.org, xuewen.yan94@gmail.com, zezeozue@google.com, spasswolf@web.de Date: Wed, 11 Dec 2024 23:46:26 +0100 In-Reply-To: <20241211213527.3278-1-spasswolf@web.de> References: <20241211213527.3278-1-spasswolf@web.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.54.2-1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:b3w36GzgeUomm/gZwauiR76zHBz2rePbPKlR0WHY3m8ruZzcm7I bA00zD1F25RVWBANit8cnWfFtKDwh4xfvXj3X//Ig8OXD/9fJ0LNFxYBlGO/is6B49MlMYY XHmwLgq5xEDpETx/1RbZUYMQEull0FL1jwxC481CmKIKfM4YUn2BCPtDT7fgEmOsluRfhy1 bWqlVn0dMefEXiS8Axo0Q== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:+n79VlMm6Qk=;2cWKFcfXzgtA65gFMhRYR/emH09 Mb0Rj+xq1JosHMEmZvGRKFvfjgEhM7OY9sv9YAhflylh+U1K+qkMk6+ujZWTVnxU9FchO0uJi KV7tcKKW7dZFyEHMtgovKUh532T6fQpX8d5hsU5jrBkQrTo2Te0F87Vr2h8tn/mjHhuwhpixw ch8sRrW1PICHWV+pDJT6dwQ6CGnGVGCd+eMb8gQvD+Ms7VX9axwqpZs8fwlqE0DLglOoew4rr nb0AImV6vU77cSNQa3v0L+ZCooMkH0pLPFaIcULeTyrUKvBG07yLGdOLc57zU5JqfjHqwvJ+2 0V4w3ZPmaWIE/t4xrs17g/712ZcPVmrfJDsXn6lWjrDiN6i66rtGsECgS2lVof4o6Y0KSNAE7 YHabBUaRZm6MPgekJj8ixZIvvFl+8DFmMpCqX9h4naL+Xg4DokUwsqyfew5SjoviEXbG8Hfkv uuG8yqpNf71Ti/g2JSZ7pmtdQfxvoFqzq7KBsc6oe1U3y2qNHLwIJazlAcvV6fJPcyD9NhrG6 bmJE2Esr8QYtIijYwSE2Bj2H+egVnZflvfoyzkEugnMKbt/mfV+N2nzgzVnu0+udXkY486c4+ QILck1srtEQqXzn2CTv1XD2i9us44ZsvdLqwcFLYPg/3uy4g+Th6G7pT8ooycJF2eXBoRx9N3 bFUxsSL3NPx02shh0UVtcRqiLsGq9iJLWzAlXMb1ZN8RdEHSE+SuUcCo93ngCwZHBYfVGdP7g kIvpX+f78aNHD0b+/hZ3Ya3+YIb0qpiMPJVfdpFETmZBXLwfZuYdzqy0KlIXYXXJyoQ7AqEwQ stk7iIOrtcMLOcGNUicAkfe2eLsw+myJnH8LCymFpikrxkUWXyd158akBUSq5VQfUOzXkLqYz /KBUnPNddo2zsUxhbCF1zcdTPqP33l+7TOOoyVlvFizJIjJXsxo9cw+WvXXbYR57TX2E0HYSF 1e4drZIOSeuF0a9XNIlLN+2ewwsgNZehrfxpxeljnX/6JUybtUcSzqub/JP94+ne7jM4IF8I4 7Ral/hGeqfAUYULq8AJTBmLAfKkPAnddeCMvI9f0Fa31D2vAuFAQI6vubfNVG3K+kyoIDX4DB SmOFJ4thk= Am Mittwoch, dem 11.12.2024 um 22:35 +0100 schrieb Bert Karwatzki: > I have confirmed that I that linux-next-20241210 is fixed by the same re= vert > as v6.13-rc2 (ten boots without incident is the criterion for a good com= mit) > > > Bert Karwatzki Also this bug only occurs with CONFIG_PREEMPT_RT=3Dy, I've just checked v6= .13-rc2 without the revert and the following preempt settings and got 10 clean boo= ts: CONFIG_PREEMPT_BUILD=3Dy CONFIG_ARCH_HAS_PREEMPT_LAZY=3Dy # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=3Dy # CONFIG_PREEMPT_LAZY is not set # CONFIG_PREEMPT_RT is not set CONFIG_PREEMPT_COUNT=3Dy CONFIG_PREEMPTION=3Dy CONFIG_PREEMPT_DYNAMIC=3Dy CONFIG_SCHED_CORE=3Dy Bert Karwatzki