linux-kernel - [usb] 25111da692: trinity-c0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score

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Date:	Sat, 23 Jul 2016 21:55:29 +0800
From:	kernel test robot <xiaolong.ye@...el.com>
To:	Jaewon Kim <jaewon02.kim@...il.com>
Cc:	lkp@...org, LKML <linux-kernel@...r.kernel.org>,
	Jaewon Kim <jaewon02.kim@...sung.com>,
	0day robot <fengguang.wu@...el.com>
Subject: [usb]  25111da692: trinity-c0 invoked oom-killer:
 gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0,
 oom_score_adj=500



FYI, we noticed the following commit:

https://github.com/0day-ci/linux Jaewon-Kim/usb-host-max3421-hcd-fix-mask-of-IO-control-register/20160723-192544
commit 25111da692292f56cb3917536c1405e2624f103d ("usb: host: max3421-hcd: fix mask of IO control register")

in testcase: boot

on test machine: 2 threads qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap with 360M memory

caused below changes:


+----------------+------------+------------+
|                | cb42b63d89 | 25111da692 |
+----------------+------------+------------+
| boot_successes | 6          | 16         |
+----------------+------------+------------+



[   93.223674] rcu-torture: Reader Pipe:  2 0 0 0 0 0 0 0 0 0 0
[   93.227452] rcu-torture: Reader Batch:  2 0 0 0 0 0 0 0 0 0 0
[   93.252073] rcu-torture: Free-Block Circulation:  0 0 0 0 0 0 0 0 0 0 0
[  118.091227] trinity-c0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score_adj=500
[  118.100087] trinity-c0 cpuset=/ mems_allowed=0
[  118.112242] CPU: 0 PID: 6046 Comm: trinity-c0 Not tainted 4.7.0-rc6-00176-g25111da #534
[  118.121152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[  118.129439]  0000000000000000 ffff88001470fb48 ffffffff8155b191 ffff88001470fd28
[  118.131959]  0000000000000000 ffff88001470fbc0 ffffffff811f22a7 ffffffff824834a0
[  118.134065]  ffff88001470fb70 ffffffff810ea8d3 ffff88001470fb90 0000000000000206
[  118.135869] Call Trace:
[  118.136374]  [<ffffffff8155b191>] dump_stack+0x86/0xc0
[  118.137265]  [<ffffffff811f22a7>] dump_header+0x5c/0x36f
[  118.138248]  [<ffffffff810ea8d3>] ? trace_hardirqs_on+0xd/0xf
[  118.141786]  [<ffffffff8119b0ba>] oom_kill_process+0xac/0x437
[  118.156794]  [<ffffffff8119b97a>] out_of_memory+0x4e5/0x500
[  118.167938]  [<ffffffff811a0d7f>] __alloc_pages_nodemask+0xd8b/0xec3
[  118.175712]  [<ffffffff810d0e17>] ? sched_clock_cpu+0x15/0xae
[  118.178017]  [<ffffffff811dd3bd>] alloc_pages_current+0x141/0x16d
[  118.180014]  [<ffffffff811a111a>] alloc_kmem_pages+0xe/0x10
[  118.181724]  [<ffffffff811cf5ff>] __vmalloc_node_range+0x156/0x1de
[  118.183306]  [<ffffffff811cf6b5>] __vmalloc_node+0x2e/0x30
[  118.184662]  [<ffffffff81132e11>] ? SyS_init_module+0x6f/0x125
[  118.195880]  [<ffffffff811cf75a>] __vmalloc+0x20/0x22
[  118.205861]  [<ffffffff81132e11>] SyS_init_module+0x6f/0x125
[  118.215908]  [<ffffffff81001d49>] do_syscall_64+0x69/0x11a
[  118.221245]  [<ffffffff81ccbb3f>] entry_SYSCALL64_slow_path+0x25/0x25
[  118.223969] Mem-Info:
[  118.352383] active_anon:4145 inactive_anon:228 isolated_anon:0
[  118.352383]  active_file:0 inactive_file:0 isolated_file:0
[  118.352383]  unevictable:24689 dirty:0 writeback:0 unstable:0
[  118.352383]  slab_reclaimable:15990 slab_unreclaimable:10254
[  118.352383]  mapped:1506 shmem:240 pagetables:355 bounce:0
[  118.352383]  free:1712 free_pcp:90 free_cma:0
[  118.377250] Node 0 DMA free:1176kB min:116kB low:144kB high:172kB active_anon:300kB inactive_anon:48kB active_file:0kB inactive_file:0kB unevictable:7580kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:528kB shmem:48kB slab_reclaimable:3744kB slab_unreclaimable:2080kB kernel_stack:144kB pagetables:24kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:2252 all_unreclaimable? yes
[  118.408226] lowmem_reserve[]: 0 267 267 267
[  118.415387] Node 0 DMA32 free:5960kB min:2032kB low:2540kB high:3048kB active_anon:16280kB inactive_anon:864kB active_file:0kB inactive_file:0kB unevictable:91176kB isolated(anon):0kB isolated(file):0kB present:352128kB managed:304768kB mlocked:0kB dirty:0kB writeback:0kB mapped:5496kB shmem:912kB slab_reclaimable:59928kB slab_unreclaimable:38936kB kernel_stack:2048kB pagetables:1396kB unstable:0kB bounce:0kB free_pcp:360kB local_pcp:60kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[  118.471803] lowmem_reserve[]: 0 0 0 0
[  118.489554] Node 0 DMA: 4*4kB (ME) 7*8kB (UME) 5*16kB (ME) 4*32kB (UE) 4*64kB (UE) 1*128kB (U) 2*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1176kB
[  118.497848] Node 0 DMA32: 30*4kB (UME) 46*8kB (ME) 80*16kB (ME) 16*32kB (ME) 7*64kB (UME) 4*128kB (E) 3*256kB (E) 0*512kB 0*1024kB 1*2048kB (E) 0*4096kB = 6056kB
[  118.547054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  118.718047] 24929 total pagecache pages
[  118.719473] 0 pages in swap cache
[  118.720650] Swap cache stats: add 0, delete 0, find 0/0
[  118.722829] Free swap  = 0kB
[  118.733465] Total swap = 0kB
[  118.742313] 92030 pages RAM
[  118.750055] 0 pages HighMem/MovableOnly
[  118.756766] 11861 pages reserved
[  118.758675] 0 pages hwpoisoned


FYI, raw QEMU command line is:

	qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/x86_64-nfsroot/gcc-6/25111da692292f56cb3917536c1405e2624f103d/vmlinuz-4.7.0-rc6-00176-g25111da -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-wsx03-quantal-x86_64-9/boot-1-quantal-core-x86_64.cgz-25111da692292f56cb3917536c1405e2624f103d-20160723-88752-8yphpa-0.yaml ARCH=x86_64 kconfig=x86_64-nfsroot branch=linux-review/Jaewon-Kim/usb-host-max3421-hcd-fix-mask-of-IO-control-register/20160723-192544 commit=25111da692292f56cb3917536c1405e2624f103d BOOT_IMAGE=/pkg/linux/x86_64-nfsroot/gcc-6/25111da692292f56cb3917536c1405e2624f103d/vmlinuz-4.7.0-rc6-00176-g25111da max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-wsx03-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-nfsroot/gcc-6/25111da692292f56cb3917536c1405e2624f103d/0 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 systemd.log_level=err ignore_loglevel earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-lkp-wsx03-quantal-x86_64-9::dhcp drbd.minor_count=8'  -initrd /fs/sdc1/initrd-vm-lkp-wsx03-quantal-x86_64-9 -m 360 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-lkp-wsx03-quantal-x86_64-9 -serial file:/dev/shm/kboot/serial-vm-lkp-wsx03-quantal-x86_64-9 -daemonize -display none -monitor null 





Thanks,
Kernel Test Robot

View attachment "config-4.7.0-rc6-00176-g25111da" of type "text/plain" (111142 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (16368 bytes)