From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa5.hgst.iphmx.com ([216.71.153.144]:20439 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1041383AbdDUQjh (ORCPT ); Fri, 21 Apr 2017 12:39:37 -0400 From: Bart Van Assche To: "axboe@fb.com" CC: "linux-block@vger.kernel.org" Subject: Re: for-4.12/block branch Date: Fri, 21 Apr 2017 16:31:19 +0000 Message-ID: <1492792278.2550.5.camel@sandisk.com> References: <1492788745.2550.1.camel@sandisk.com> In-Reply-To: Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org On Fri, 2017-04-21 at 10:25 -0600, Jens Axboe wrote: > On 04/21/2017 09:32 AM, Bart Van Assche wrote: > > Hello Jens, > >=20 > > Since yesterday the following complaint is reported frequently after ha= ving > > installed the for-4.12/block branch on my test setup. Unless someone ha= s a > > better proposal, I will run a bisect. > >=20 > > BUG: sleeping function called from invalid context at ./include/linux/b= uffer_head.h:349 > > in_atomic(): 1, irqs_disabled(): 0, pid: 8019, name: find > > CPU: 10 PID: 8019 Comm: find Tainted: G W I 4.11.0-rc4-dbg+ = #2 > > Call Trace: > > dump_stack+0x68/0x93 > > ___might_sleep+0x16e/0x230 > > __might_sleep+0x4a/0x80 > > __ext4_get_inode_loc+0x1e0/0x4e0 > > ext4_iget+0x70/0xbc0 > > ext4_iget_normal+0x2f/0x40 > > ext4_lookup+0xb6/0x1f0 > > lookup_slow+0x104/0x1e0 > > walk_component+0x19a/0x330 > > path_lookupat+0x4b/0x100 > > filename_lookup+0x9a/0x110 > > user_path_at_empty+0x36/0x40 > > vfs_statx+0x67/0xc0 > > SYSC_newfstatat+0x20/0x40 > > SyS_newfstatat+0xe/0x10 > > entry_SYSCALL_64_fastpath+0x18/0xad >=20 > How are you reproducing this? I've been running testing on the test box > and I run it on my laptop as well, but I haven't seen anything odd. Hello Jens, All I have to do to reproduce this is to build, install and boot the kernel= . Maybe we are using a different kernel config? Bart.=