From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f199.google.com (mail-qk0-f199.google.com [209.85.220.199]) by kanga.kvack.org (Postfix) with ESMTP id 2FB696B0038 for ; Tue, 29 Nov 2016 12:25:31 -0500 (EST) Received: by mail-qk0-f199.google.com with SMTP id i34so136983476qkh.1 for ; Tue, 29 Nov 2016 09:25:31 -0800 (PST) Received: from omr2.cc.vt.edu (omr2.cc.ipv6.vt.edu. [2607:b400:92:8400:0:33:fb76:806e]) by mx.google.com with ESMTPS id 37si28062871qto.161.2016.11.29.09.25.30 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Nov 2016 09:25:30 -0800 (PST) Subject: linux-next 20161129 - BUG: sleeping function called from invalid context at mm/page_alloc.c:3775 From: Valdis Kletnieks Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1480440324_3026P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 29 Nov 2016 12:25:24 -0500 Message-ID: <12959.1480440324@turing-police.cc.vt.edu> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --==_Exmh_1480440324_3026P Content-Type: text/plain; charset=us-ascii Seeing this same BUG all over the place at boot - some 30 times just getting to a single-user prompt and saving a dmesg. Everything from netlink to execve to ext4 file I/O to process exit time. [ 3.746004] BUG: sleeping function called from invalid context at mm/page_alloc.c:3775 [ 3.746091] in_atomic(): 1, irqs_disabled(): 0, pid: 385, name: systemd-vconsol [ 3.746162] 2 locks held by systemd-vconsol/385: [ 3.746164] #0: [ 3.746166] ( [ 3.746167] &sig->cred_guard_mutex [ 3.746169] ){+.+.+.} [ 3.746170] , at: [ 3.746175] [] prepare_bprm_creds+0x38/0xf0 [ 3.746177] #1: [ 3.746178] ( [ 3.746179] &(ptlock_ptr(page))->rlock [ 3.746181] #2 [ 3.746182] ){+.+...} [ 3.746184] , at: [ 3.746189] [] unmap_page_range+0x479/0x1280 [ 3.746193] CPU: 2 PID: 385 Comm: systemd-vconsol Tainted: G W 4.9.0-rc7-next-20161129-dirty #361 [ 3.746194] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A17 08/19/2015 [ 3.746196] Call Trace: [ 3.746202] dump_stack+0x7b/0xd1 [ 3.746206] ___might_sleep+0x194/0x300 [ 3.746210] __alloc_pages_nodemask+0x13f/0x730 [ 3.746213] __get_free_pages+0x18/0x60 [ 3.746217] __tlb_remove_page_size+0x8b/0x120 [ 3.746221] unmap_page_range+0x866/0x1280 [ 3.746224] ? release_pages+0x158/0x750 [ 3.746229] unmap_single_vma+0x13b/0x180 [ 3.746232] unmap_vmas+0x37/0x60 [ 3.746235] exit_mmap+0x8f/0x190 [ 3.746240] mmput+0x9c/0x250 [ 3.746243] flush_old_exec+0x559/0xf40 [ 3.746247] load_elf_binary+0x35d/0x1930 [ 3.746251] ? preempt_count_sub+0x4a/0x90 [ 3.746255] search_binary_handler+0xbc/0x260 [ 3.746258] do_execveat_common.isra.30+0x9dd/0x1270 [ 3.746261] ? do_execveat_common.isra.30+0x905/0x1270 [ 3.746264] SyS_execve+0x3a/0x50 [ 3.746267] do_syscall_64+0x8c/0x290 [ 3.746271] entry_SYSCALL64_slow_path+0x25/0x25 [ 3.746273] RIP: 0033:0x7f33befaac47 [ 3.746275] RSP: 002b:00007ffd24cea888 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 3.746279] RAX: ffffffffffffffda RBX: 00005585dae94ea4 RCX: 00007f33befaac47 [ 3.746281] RDX: 00007ffd24ceaab8 RSI: 00007ffd24cea930 RDI: 00005585dae94fd4 [ 3.746283] RBP: 00007ffd24cea9c0 R08: 0000000000000000 R09: 0000000000000000 [ 3.746285] R10: 0000000000000008 R11: 0000000000000202 R12: 00005585dae94801 [ 3.746287] R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd24cea8d0 --==_Exmh_1480440324_3026P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.5 07/13/2001 iQEVAwUBWD26BI0DS38y7CIcAQLMiAf+Lq0c7S7N3GdOd0Ls4H+RfGE2YNsM+u6V y1mKA6K4cCYlzBuKPpiA28YUvTAGEQyXi4KyIeQPd3pnWUlZGGvRaIoveIj5K8T2 dSyV6f86Ib4QIsFooMGkp3JvPkhm0qHXW8nrQ/P8vARHUk+cfRm/QfZHwjnXINqW Ogzx8aCBSC7/uFsVM/PHyjCHSj3EFOIQpL7II8I8JoS25ivtPBb6vooOkn7cpUWb 8q4IXwlELdpdmMovYJXKKh/HeNbxem6qJwsAB2MzlzZ2DcacdFtOuabvrl0GLb78 azNK+O/Sv5lpGXJTRbYUEdhV4LpRwXm+8rb97Xfh0C96ryZLG7jp8A== =bxsX -----END PGP SIGNATURE----- --==_Exmh_1480440324_3026P-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org