From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E32D1EB64DA for ; Wed, 14 Jun 2023 11:16:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243282AbjFNLQ6 (ORCPT ); Wed, 14 Jun 2023 07:16:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235751AbjFNLQw (ORCPT ); Wed, 14 Jun 2023 07:16:52 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75AFB12E for ; Wed, 14 Jun 2023 04:16:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=OUbSjgz5CiDvA3N1a/uPgCM7O8dmgJlF93ndUOwjOtA=; b=fyaob3fGXO1t1tzA4yYgp7vjgW +EsKjmIbCqY/y+zFMiJg62Jl1Bdrhbu0OtJkdqR/YpMI6mDhv1zlOnjrR3T2BJgGXeH6wI1ZkI1CG 47zhKjjoHy4b9uGbu7y2jP9wpwKNZIKV0VIsLCrdY/HXon6TLOW5O9Dz73GhCkWhB7U3bU6XOgzzS cI2w8vQXmK76l+j9IIOMLP/NWQSXvFgCRL0V0AI+IaqoIYrB4vyd5Jc67YTm1E1b8Jjan0bMKZamx R1pgLdmxQ5OvP9HupBmLDmFWgQrTtZ4eVER+iRtNgzfVP3NgSmtFHlXpi1mJCYaSmNq229NL10IMZ 5x2lFT0Q==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1q9OUX-006Bmm-Mk; Wed, 14 Jun 2023 11:16:46 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 9B6153002A9; Wed, 14 Jun 2023 13:16:44 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 4CBC426979290; Wed, 14 Jun 2023 13:16:44 +0200 (CEST) Date: Wed, 14 Jun 2023 13:16:44 +0200 From: Peter Zijlstra To: "Richard W.M. Jones" Cc: Aaron Thompson , linux-kernel@vger.kernel.org Subject: Re: printk.time causes rare kernel boot hangs Message-ID: <20230614111644.GH1639749@hirez.programming.kicks-ass.net> References: <20230613134105.GA10301@redhat.com> <20230614092158.GF1639749@hirez.programming.kicks-ass.net> <20230614094522.GA7636@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230614094522.GA7636@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 14, 2023 at 10:45:22AM +0100, Richard W.M. Jones wrote: > Debian should work too actually, just run the following command until > it hangs: > > > > $ while guestfish -a /dev/null -v run >& /tmp/log; do echo -n . ; done What kernel with guestfish use?