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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=BAYES_00,DKIM_ADSP_ALL, DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35F2BC4338F for ; Fri, 23 Jul 2021 17:44:44 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8437660C51 for ; Fri, 23 Jul 2021 17:44:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8437660C51 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=rere.qmqm.pl Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 144F76B0033; Fri, 23 Jul 2021 13:44:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F34E6B005D; Fri, 23 Jul 2021 13:44:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0095D6B006C; Fri, 23 Jul 2021 13:44:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0068.hostedemail.com [216.40.44.68]) by kanga.kvack.org (Postfix) with ESMTP id DBDA96B0033 for ; Fri, 23 Jul 2021 13:44:40 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9887D8249980 for ; Fri, 23 Jul 2021 17:44:40 +0000 (UTC) X-FDA: 78394577520.16.3B387E8 Received: from rere.qmqm.pl (rere.qmqm.pl [91.227.64.183]) by imf09.hostedemail.com (Postfix) with ESMTP id E0BC93002590 for ; Fri, 23 Jul 2021 17:44:38 +0000 (UTC) Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 4GWcC90vdyz67 for ; Fri, 23 Jul 2021 19:44:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1627062277; bh=ObM+lTVBSDQGkW/d0jorYsRgTq17q8e/g3sJhTYKhZk=; h=Date:From:To:Subject:From; b=Lz9ERfxAtawy7MV31bsQs1MEoTnP5oQZNMJo0aPpNdu6L9B1Xx2FurmDaPGAJrRAi RfIDWU75Lps1syvihFp4fbQTGvWErF8vv/x/0ILSz5jpzg5UFs7/jomnawWcV6N1mS f+X+XoBu5jQZZceZ1LNXRYNIHi9FZJRAZC5hozt544neANX5mYCQkK+2oM96KAMlQm BXmqkbku9+/hj7MgjOp6g9QTVAiE/obL6Z2mWhoznEjprEDrsJK1Fy54vAAgxwNNmo jUePvHxcsEO9QUUH1t7cK6/vB82dOUZIHFF0RF0KTgjpcYp3fNl6zuENpYG2Vybpgf ofsJ9lk0yCzXw== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.2 at mail Date: Fri, 23 Jul 2021 19:44:35 +0200 From: =?iso-8859-2?Q?Micha=B3_Miros=B3aw?= To: linux-mm@kvack.org Subject: might_sleep() warning in do_swap_page() Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=rere.qmqm.pl header.s=1 header.b=Lz9ERfxA; spf=pass (imf09.hostedemail.com: domain of mirq-linux@rere.qmqm.pl designates 91.227.64.183 as permitted sender) smtp.mailfrom=mirq-linux@rere.qmqm.pl; dmarc=pass (policy=reject) header.from=rere.qmqm.pl X-Rspamd-Server: rspam02 X-Stat-Signature: 9fanss8uqose1yxmbqfisf3zb5de4rpo X-Rspamd-Queue-Id: E0BC93002590 X-HE-Tag: 1627062278-994718 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, Since v5.13.2 I'm seeing following warnings every few minutes in dmesg. This wasn't happening in v5.13.1 and earlier kernels. Have you seen that already? ---->8<--- BUG: sleeping function called from invalid context at include/linux/pagem= ap.h:668 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 736698, name: cron INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 736698 Comm: cron Tainted: G W O 5.13.4+ #442 Hardware name: System manufacturer System Product Name/P8Z68-V PRO, BIOS = 3603 11/09/2012 Call Trace: dump_stack+0x7f/0xad ___might_sleep.cold+0xf2/0x106 do_swap_page+0xdd/0x8d0 __handle_mm_fault+0x9d4/0x1330 ? lock_acquire+0x19a/0x300 handle_mm_fault+0x9b/0x230 do_user_addr_fault+0x1e2/0x580 ? exit_to_user_mode_prepare+0x31/0x210 exc_page_fault+0x67/0x240 ? asm_exc_page_fault+0x5/0x20 asm_exc_page_fault+0x1b/0x20 RIP: 0033:0x55a22ddf18fb Code: 81 ec 08 19 00 00 4c 8b 25 ba 7c 00 00 64 48 8b 04 25 28 00 00 00 4= 8 89 84 24 f8 18 00 00 31 c0 41 0f b6 2c 24 40 84 ed 74 3c 30 cf ff = ff 49 89 c7 0f 1f 44 00 00 49 8b 07 4c 0f be ed 42 f6 RSP: 002b:00007ffdcd82e400 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 000055a22f5fcaf0 RCX: 000055a22f5e3010 RDX: 000000000000001c RSI: 000055a22f5fcab0 RDI: 000055a22f5fcaf0 RBP: 0000000000000063 R08: 000055a22f5fc3e0 R09: 00007f4a6d4ae1a0 R10: fffffffffffff856 R11: 0000000000000202 R12: 00007ffdcd831f31 R13: 0000000000000000 R14: 000055a22f5fcab0 R15: 0000000000000000 ---->8<--- BUG: sleeping function called from invalid context at mm/page_alloc.c:499= 2 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 743677, name: Thre= adPoolForeg INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 743677 Comm: ThreadPoolForeg Tainted: G W O 5.13= .4+ #442 Hardware name: System manufacturer System Product Name/P8Z68-V PRO, BIOS = 3603 11/09/2012 Call Trace: dump_stack+0x7f/0xad ___might_sleep.cold+0xf2/0x106 prepare_alloc_pages+0xfc/0x130 __alloc_pages+0x98/0x2b0 alloc_pages_vma+0x78/0x250 __read_swap_cache_async+0xb9/0x2a0 swapin_readahead+0x253/0x3f0 ? lock_release+0x21b/0x460 do_swap_page+0x26c/0x8d0 __handle_mm_fault+0x9d4/0x1330 ? lock_acquire+0x19a/0x300 handle_mm_fault+0x9b/0x230 do_user_addr_fault+0x1e2/0x580 exc_page_fault+0x67/0x240 ? asm_exc_page_fault+0x5/0x20 asm_exc_page_fault+0x1b/0x20 RIP: 0033:0x7f992e799c8c Code: 08 48 85 ff 75 3b 4c 8b 78 08 49 8b 7f 10 49 8b 47 18 48 29 f8 48 8= 3 f8 1f 0f 86 89 00 00 00 48 8d 47 20 49 89 47 10 0f 57 c0 <0f> 11 07 48 = c7 47 10 00 00 00 00 4c 89 7f 18 48 89 7b 08 4c 8b 6d RSP: 002b:00007f98fcff6770 EFLAGS: 00010212 RAX: 00007f98e02bc038 RBX: 00007f98e0269ec8 RCX: 0000000000000131 RDX: 00007f98e02b3050 RSI: 00007f98e0269f20 RDI: 00007f98e02bc018 RBP: 00007f98fcff67e0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 00007f98fcff6848 R14: 00007f98e0269ef8 R15: 0000000006440910 ---->8<--- Best Regards Micha=B3 Miros=B3aw