Re: [LKP] dad4f140ed [ 7.709376] WARNING:suspicious_RCU_usage
From: Matthew Wilcox <willy@infradead.org>
Date: 2018-11-19 11:41:02
Also in:
dri-devel, intel-gfx, linux-acpi, linux-doc, linux-fsdevel, linux-input, linux-pci, lkml, oe-lkp
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)