Received: by 10.192.165.148 with SMTP id m20csp2709250imm; Sun, 29 Apr 2018 05:19:25 -0700 (PDT) X-Google-Smtp-Source: AB8JxZqv5C2r9h9cB8p457cbg6jCu1pw+iq1YNt4734I4R74OmfPzOmhTMxk9ifBWppgFmKVUEwr X-Received: by 2002:a63:ac1a:: with SMTP id v26-v6mr7601418pge.105.1525004365907; Sun, 29 Apr 2018 05:19:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525004365; cv=none; d=google.com; s=arc-20160816; b=IZk2zc7cdF/bQTMVH2+ro99Jvm4o1QKQ4Wh5PzylurXWuXKnHxu8rHVGmfsb9PnDQP F+KbnZKqFAdSGPJO+kjiyTLY8NA8IMzBFaZcAJL/EGUQmIVtwbc6M7JeLoiEpQN3uDu7 4pgxIayzkMpRixHnyCxexaODVtYeZA8XZGbVi9COGVqYgo3MVNJdRA6Cb5GpwjR11u/7 8lEfXTgd6bJYq4121Z4xr3w+FHqdJOKXvjXDkqsT0a9gcN92CvYgZ5vknPK6GuYQ03iR tmprJBrQs14HW9ztEGqCQusLVjCCkzLUBpaXmXEG9dj7xs+5XL/7x51GTjPQYa7jtKHy RyCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=uy4pvjEmXjfMYNQYHmejbj9m9s/yHyt4I4zYYSaKKhw=; b=De+j9FOr30xrnInx+KIkEsLK9Nt7H+rJ2/y5psAkRM7jInVKVcktDmvchvfXKSQ0F9 O79ipBTrMK4CkDNtYTjCB7z71kDEXpfZF9Y+fsXXOzbbY/9+77/WxJ6eW2EUExEdsrR6 x7Wt+aqoAnYR8mZUsSlNBStEBL31ebtwWx7l9MwfULGh/W/cz0TTvYOnrOL/RQG/qcZH T1TkgVq/ggrJrHQVE9E1Q0mGcwLnWf6enSmAsWf54/zadGXwWpFXahmVxV79oG4sdS5i /Gj5Qxe+yNjgSebfAjmcRk+FRVJcGXMFOHr9kTBnMuwcZ+OoIVdmFQ5RNN4ZgUrBbcya sFcw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s189-v6si4727263pgc.571.2018.04.29.05.19.11; Sun, 29 Apr 2018 05:19:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753411AbeD2MRu (ORCPT + 99 others); Sun, 29 Apr 2018 08:17:50 -0400 Received: from mga01.intel.com ([192.55.52.88]:34577 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753130AbeD2MRt (ORCPT ); Sun, 29 Apr 2018 08:17:49 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Apr 2018 05:17:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,343,1520924400"; d="scan'208";a="46935548" Received: from yhuan19-mobl.ccr.corp.intel.com (HELO wfg-t540p.sh.intel.com) ([10.254.209.22]) by orsmga003.jf.intel.com with ESMTP; 29 Apr 2018 05:17:46 -0700 Received: from wfg by wfg-t540p.sh.intel.com with local (Exim 4.89) (envelope-from ) id 1fClGz-0006gR-FF; Sun, 29 Apr 2018 20:17:45 +0800 Date: Sun, 29 Apr 2018 20:17:45 +0800 From: Fengguang Wu To: Linus Torvalds Cc: Linux Kernel Mailing List , Arnd Bergmann , Greg Kroah-Hartman , Theodore Ts'o , "Jason A. Donenfeld" , LKP , gkohli@codeaurora.org Subject: Re: [crng_reseed] WARNING: inconsistent lock state Message-ID: <20180429121745.6csnvc2jjay6ozfc@wfg-t540p.sh.intel.com> References: <20180429022606.267zucef42hm37m7@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 29, 2018 at 03:07:06AM +0000, Linus Torvalds wrote: >On Sat, Apr 28, 2018 at 7:26 PM Fengguang Wu wrote: > >> FYI this happens in mainline kernel 4.17.0-rc2. >> It looks like a new regression. > >> It occurs in 3 out of 3 boots. > >> There is another "[ 294.642506] BUG: sleeping function called from >> invalid context at mm/slab.h:421" at the bottom of this long dmesg: > >This should be fixed by commit 6c1e851c4edc ("random: fix possible sleeping >allocation from irq context"). Yes that fixes the bug. Sorry for the late report! Regards, Fengguang