From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 E7077161311 for ; Wed, 31 Jul 2024 10:33:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722422019; cv=none; b=lTcb0ejSod4VmqrVbMIH9O2amMNnZOywHjx8MYUTDrzDf5Bg43a0//fCbDBbylWV1Anr9EUmTkkwvTCqun3IC+gynqSzdeH7tPffx+v8JQtaqo1ZcxM2/aEJ7wCnXX4F4xcmow8bgB4wus1tCauwDaAULKIQNNNbpHfDJ2JZLO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722422019; c=relaxed/simple; bh=99VymIsOD12hH9kjWKSrInnoYJo3qd2LVwdE12gwp9Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sAuDH+lc4TbyLATy5lEdrCB5ATnzlLuldw0il1zNfkiHqZFjd5kF1B9pLSdQOtLYNXl6fcWYz2mRmelkCCO1P80Ay4edUQniuHNf6vEsERtg6aQTAlwPUXf5ZtADR5yWnyfn2kOPg4Or95+INMFUpskuBlU4/zafR8DWzsqwxT0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=RcdHX7kV; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="RcdHX7kV" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ny25EBy/rKrBs+Y+T9v9eAxFn5pKHTTrpsG8unnB2og=; b=RcdHX7kVomSICF9SGygrx7i20K U/vLz+5pYblGpTQCdWZubsyguNIwgAHdEbtmIIJ++HsSBx9OsxvG66Y+iCXswwVsyOwDonPiJvcwH SCv4ShzfNIGpG/ZVuJCrfeOgl/8oC7SgQZxTgNC/TAItT0PGVQGoXWyahrPTWfNYDCy7LdVjKQMqI NntDiUE2JizSkIBmup8v2C0WB85w4jAVjzk5HC6C5oYqd0CwIyPD+anXwEZm88iNMe/ssyiItrlTr Yt4mtRyE1r2VUH0PA4yiXHnu0fGEPrYMuKxFAWWyo8rOemz9Nl+n68R6A99chGullMAAQhq2Gvuvp Rme1eXwA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZ6eE-00000005C7P-01Oi; Wed, 31 Jul 2024 10:33:34 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id E0BE8300820; Wed, 31 Jul 2024 12:33:32 +0200 (CEST) Date: Wed, 31 Jul 2024 12:33:32 +0200 From: Peter Zijlstra To: Linus Torvalds Cc: Guenter Roeck , Andy Lutomirski , Ingo Molnar , Peter Anvin , Linux Kernel Mailing List , Jens Axboe , the arch/x86 maintainers Subject: Re: Linux 6.11-rc1 Message-ID: <20240731103332.GX33588@noisy.programming.kicks-ass.net> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jul 30, 2024 at 11:53:31AM -0700, Linus Torvalds wrote: > Definitely something wrong with the page tables. But where that > wrongness comes from, I have no idea. [ 10.231081] CR0: 80050033 CR2: ffa02ffc CR3: 02bc6000 CR4: 000006f0 See CR3 being a user address.... but yeah, million dollar question is how the fuck did that happen?