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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n18-20020a638f12000000b0054257e56942si7788452pgd.694.2023.06.14.02.46.57; Wed, 14 Jun 2023 02:47:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=KgXYcXKb; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243962AbjFNJVJ (ORCPT + 99 others); Wed, 14 Jun 2023 05:21:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243939AbjFNJUy (ORCPT ); Wed, 14 Jun 2023 05:20:54 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2092C1FCC; Wed, 14 Jun 2023 02:20:51 -0700 (PDT) Date: Wed, 14 Jun 2023 11:20:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1686734449; 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=IwyE4FJoz8w2cSOIWlMYfXcvxQemNB29XR/ZDxZG3x8=; b=KgXYcXKbAnNq1NsbYFZTrwStOSvHuxcyB84Et9H6FQKkvRJVTTJ5Nl3A0PxtczumxOCM56 BLhzaL1FFvYhlZxOWSCUb1p7XJ9rb7A2xIL9Q5iKJ82Z6cprzu+A5M4Atc+Jnu+oKSUZIJ w0JLSDYzXawnsiY1Eq9Bg62qoSietlSPn9GMBbK4pUsVOJs0pbIbn3/4waCjdVeuQzelku 5h4H4Vt6OmSeMeis9OGv6LaWLSIL5QASWbi0VgGTLf52b/AKnE6CzZ14BERGTHm9HI9Ngd +WlGU0gafQ9iG7rfE4eQ3emkPlFe4c9yHHl02WExVLxplFeXuae0pc71YpBEbw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1686734449; 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=IwyE4FJoz8w2cSOIWlMYfXcvxQemNB29XR/ZDxZG3x8=; b=uNd5x03JLHjui5vET+WBwfIcrL/YOEPkV5IB1HrSERbvdf1MEA/BrZ1BST2qkasdRS6mZX dOqN2TAh4dBCXoCQ== From: Sebastian Andrzej Siewior To: "gregkh@linuxfoundation.org" Cc: "Bhatnagar, Rishabh" , "linux-kernel@vger.kernel.org" , "tglx@linutronix.de" , "sashal@kernel.org" , luizcap@amazon.com, abuehaze@amazon.com, "stable@vger.kernel.org" Subject: Re: Observing RCU stalls in kernel 5.4/5.10/5.15/6.1 stable trees Message-ID: <20230614092045.tNY8USjq@linutronix.de> References: <12c6f9a3-d087-b824-0d05-0d18c9bc1bf3@amazon.com> <2023061428-compacter-economic-b648@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <2023061428-compacter-economic-b648@gregkh> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023-06-14 11:14:49 [+0200], gregkh@linuxfoundation.org wrote: > Oops, missed this. > > Yes, there might be, can you do 'git bisect' and track down the patch > that fixed this? There was a report of a lockup during boot in VMs yesterday. If I remember correctly this still exists and might be related to this report. I'm going to have a look. > thanks, > > greg k-h Sebastian