From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 7E9326B0038 for ; Tue, 4 Oct 2016 13:09:59 -0400 (EDT) Received: by mail-wm0-f71.google.com with SMTP id f193so98560866wmg.0 for ; Tue, 04 Oct 2016 10:09:59 -0700 (PDT) Received: from arcturus.aphlor.org (arcturus.ipv6.aphlor.org. [2a03:9800:10:4a::2]) by mx.google.com with ESMTPS id hf3si5709419wjc.24.2016.10.04.10.09.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Oct 2016 10:09:58 -0700 (PDT) Date: Tue, 4 Oct 2016 13:09:55 -0400 From: Dave Jones Subject: page_cache_tree_insert WARN_ON hit on 4.8+ Message-ID: <20161004170955.n25polpcsotmwcdq@codemonkey.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: Linux Kernel Cc: linux-mm@kvack.org, Johannes Weiner Hit this during a trinity run. Kernel built from v4.8-1558-g21f54ddae449 WARNING: CPU: 0 PID: 5670 at ./include/linux/swap.h:276 page_cache_tree_insert+0x198/0x1b0 CPU: 0 PID: 5670 Comm: trinity-c6 Not tainted 4.8.0-think+ #2 ffffc900003a3ab8 ffffffffb03dc311 0000000000000000 0000000000000000 ffffffffb0c063d6 ffffffffb018d898 ffffc900003a3af8 ffffffffb008b550 00000114003a3b30 ffffffffb0c063d6 0000000000000114 0000000000000000 Call Trace: [] dump_stack+0x6c/0x9b [] ? page_cache_tree_insert+0x198/0x1b0 [] __warn+0x110/0x130 [] warn_slowpath_null+0x2c/0x40 [] page_cache_tree_insert+0x198/0x1b0 [] __add_to_page_cache_locked+0x1a4/0x3a0 [] add_to_page_cache_lru+0x79/0x1c0 [] generic_file_read_iter+0x916/0xce0 [] do_iter_readv_writev+0x120/0x1c0 [] ? wait_on_page_bit_killable+0x100/0x100 [] ? wait_on_page_bit_killable+0x100/0x100 [] do_readv_writev+0x1f9/0x2e0 [] ? __fdget_pos+0x5e/0x70 [] ? __fdget_pos+0x5e/0x70 [] ? __fdget_pos+0x5e/0x70 [] vfs_readv+0x64/0x90 [] do_readv+0x6d/0x120 [] SyS_readv+0x27/0x30 [] do_syscall_64+0x7f/0x200 [] entry_SYSCALL64_slow_path+0x25/0x25 -- 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