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Message-ID: <20160425021714.GC26968@yexl-desktop>
Date: Mon, 25 Apr 2016 10:17:14 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Eduardo Valentin <edubezval@...il.com>
Cc: 0day robot <fengguang.wu@...el.com>,
Zhang Rui <rui.zhang@...el.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [thermal] fd87ba5cc7: general protection fault: 0000 [#1] SMP
DEBUG_PAGEALLOC
FYI, we noticed the following commit:
https://github.com/0day-ci/linux Eduardo-Valentin/thermal-sysfs-rework/20160424-073943
commit fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3 ("thermal: use dev.groups to manage always present tz attributes")
on test machine: vm-lkp-wsx03-2G: 2 threads qemu-system-x86_64 -enable-kvm -cpu host with 2G memory
caused below changes:
[ 8.442718] power_supply test_battery: uevent
[ 8.443279] power_supply test_battery: POWER_SUPPLY_NAME=test_battery
[ 8.444309] ------------[ cut here ]------------
[ 8.444905] WARNING: CPU: 1 PID: 1 at fs/sysfs/group.c:61 internal_create_group+0x16c/0x264
[ 8.446198] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 8.447057] Modules linked in:
[ 8.447477] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc4-00067-gfd87ba5 #1
[ 8.448413] task: ffff88007515c000 ti: ffff880075160000 task.ti: ffff880075160000
[ 8.449337] RIP: 0010:[<ffffffffb91b233e>] [<ffffffffb91b233e>] string+0x29/0x4c
[ 8.450293] RSP: 0000:ffff880075163b10 EFLAGS: 00010086
[ 8.450955] RAX: 0000000000000000 RBX: ffff880075163c48 RCX: ffff0a00ffffff04
[ 8.451885] RDX: 0065766973736170 RSI: 0000000000000000 RDI: ffffffffba58c32a
[ 8.452773] RBP: ffff880075163b10 R08: ffffffffba58c700 R09: 0000000000000000
[ 8.453659] R10: ffffffffffffffff R11: ffffffffba58bf0d R12: ffffffffba58c700
[ 8.454557] R13: ffffffffba58c32a R14: ffffffffb98b139e R15: 00000000000003e0
[ 8.455447] FS: 0000000000000000(0000) GS:ffff880078100000(0000) knlGS:0000000000000000
[ 8.456451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.457163] CR2: 0000000000000000 CR3: 0000000039a06000 CR4: 00000000000006e0
[ 8.458057] Stack:
[ 8.458336] ffff880075163b60 ffffffffb91b3fae ffffffffb98b139c ffffffffba58c320
[ 8.459343] ffff0a00ffffff04 00000000000003e0 00000000ffffffff 0000000000000000
[ 8.460329] 0000000000000001 0000000000000000 ffff880075163b78 ffffffffb91b41c4
[ 8.461342] Call Trace:
[ 8.461660] [<ffffffffb91b3fae>] vsnprintf+0x272/0x47b
[ 8.462321] [<ffffffffb91b41c4>] vscnprintf+0xd/0x23
[ 8.462956] [<ffffffffb8ece4c9>] vprintk_emit+0x1e4/0x395
[ 8.463650] [<ffffffffb8fad59c>] ? internal_create_group+0x16c/0x264
[ 8.464452] [<ffffffffb8ece78a>] vprintk_default+0x18/0x1a
[ 8.465148] [<ffffffffb8ece795>] vprintk+0x9/0xb
[ 8.465753] [<ffffffffb8e997a7>] __warn+0x80/0xd3
[ 8.466364] [<ffffffffb8e99840>] warn_slowpath_fmt+0x46/0x4e
[ 8.467090] [<ffffffffb8facbeb>] ? sysfs_add_file_mode_ns+0xca/0x171
[ 8.467892] [<ffffffffb8fad59c>] internal_create_group+0x16c/0x264
[ 8.468673] [<ffffffffb8fad6a2>] sysfs_create_group+0xe/0x10
[ 8.469393] [<ffffffffb8fad8bd>] sysfs_create_groups+0x31/0x66
[ 8.470129] [<ffffffffb92a79c4>] device_add+0x267/0x4b4
[ 8.470801] [<ffffffffb8ecae4c>] ? __raw_spin_lock_init+0x2e/0x4c
[ 8.471590] [<ffffffffb92a7c26>] device_register+0x15/0x18
[ 8.472301] [<ffffffffb93e0009>] thermal_zone_device_register+0x12e/0x769
[ 8.473239] [<ffffffffb93e06b1>] thermal_zone_device_register+0x6d/0x84
[ 8.474092] [<ffffffffb93aeeca>] __power_supply_register+0x24c/0x304
[ 8.474900] [<ffffffffb93aef90>] power_supply_register+0xe/0x10
[ 8.475663] [<ffffffffb9b1f973>] test_power_init+0x32/0xa8
[ 8.476369] [<ffffffffb9b1f941>] ? wm8350_power_driver_init+0x14/0x14
[ 8.477176] [<ffffffffb8e003f5>] do_one_initcall+0xe2/0x169
[ 8.477897] [<ffffffffb9aedf1a>] kernel_init_freeable+0x118/0x19e
[ 8.478672] [<ffffffffb95bf34f>] kernel_init+0x9/0xeb
[ 8.479331] [<ffffffffb95c9bc2>] ret_from_fork+0x22/0x40
[ 8.479999] [<ffffffffb95bf346>] ? rest_init+0xbd/0xbd
[ 8.480659] Code: 5d c3 55 49 89 ca 48 c7 c0 29 6d 8a b9 49 c1 fa 30 48 81 fa ff 0f 00 00 49 89 f0 48 0f 46 d0 48 89 e5 31 c0 49 39 c2 89 c6 74 19 <44> 8a 0c 02 45 84 c9 74 10 4c 39 c7 73 03 44 88 0f 48 ff c7 48
[ 8.484158] RIP [<ffffffffb91b233e>] string+0x29/0x4c
[ 8.484831] RSP <ffff880075163b10>
[ 8.485299] ---[ end trace 8d682e68977f59c6 ]---
[ 8.485882] Kernel panic - not syncing: Fatal exception
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -cpu host -kernel /pkg/linux/x86_64-randconfig-s2-04240821/gcc-5/fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3/vmlinuz-4.6.0-rc4-00067-gfd87ba5 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-wsx03-2G-11/bisect_boot-1-debian-x86_64-2015-02-07.cgz-x86_64-randconfig-s2-04240821-fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3-20160424-71155-1r13ao5-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-s2-04240821 branch=linux-devel/devel-spot-201604240758 commit=fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s2-04240821/gcc-5/fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3/vmlinuz-4.6.0-rc4-00067-gfd87ba5 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-wsx03-2G/debian-x86_64-2015-02-07.cgz/x86_64-randconfig-s2-04240821/gcc-5/fd87ba5cc746cfd6ad36f7a26a77849fb674e2c3/0 LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err 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 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-lkp-wsx03-2G-11::dhcp' -initrd /fs/sdc1/initrd-vm-lkp-wsx03-2G-11 -m 2048 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::23630-:22 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive file=/fs/sdc1/disk0-vm-lkp-wsx03-2G-11,media=disk,if=virtio -drive file=/fs/sdc1/disk1-vm-lkp-wsx03-2G-11,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-vm-lkp-wsx03-2G-11 -serial file:/dev/shm/kboot/serial-vm-lkp-wsx03-2G-11 -daemonize -display none -monitor null
Thanks,
Xiaolong
View attachment "config-4.6.0-rc4-00067-gfd87ba5" of type "text/plain" (103406 bytes)
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