From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [LKP] dad4f140ed [ 7.709376] WARNING:suspicious_RCU_usage Date: Sun, 18 Nov 2018 17:19:04 -0800 Message-ID: <20181119011904.GE7861@bombadil.infradead.org> References: <20181119010820.GM18977@shao2-debian> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20181119010820.GM18977@shao2-debian> Sender: linux-kernel-owner@vger.kernel.org To: kernel test robot Cc: Linus Torvalds , LKML , linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, LKP List-Id: linux-input@vger.kernel.org On Mon, Nov 19, 2018 at 09:08:20AM +0800, kernel test robot wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is Umm. I don't see a 'suspicious RCU usage' message in here. I see a lot of vmalloc warnings ... ? > [ 7.699777] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.724561] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.737925] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.750283] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.777903] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.787175] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.796181] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.804841] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)