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Date: Tue, 31 May 2016 10:24:54 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: William Breathitt Gray <vilhelm.gray@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [gpio] 86ea8a95a4: kernel BUG at drivers/base/driver.c:153!
FYI, we noticed the following commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e ("gpio: 104-idio-16: Utilize the ISA bus driver")
on test machine: vm-vp-quantal-i386: 1 threads qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap with 360M memory
caused below changes:
+------------------------------------------------------------------+------------+------------+
| | 72bf7443ba | 86ea8a95a4 |
+------------------------------------------------------------------+------------+------------+
| boot_successes | 0 | 0 |
| boot_failures | 12 | 12 |
| invoked_oom-killer:gfp_mask=0x | 12 | |
| Mem-Info | 12 | |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 12 | |
| backtrace:btrfs_test_extent_io | 12 | |
| backtrace:init_btrfs_fs | 12 | |
| backtrace:kernel_init_freeable | 12 | 12 |
| page_allocation_failure:order:#,mode:#(GFP_KERNEL|__GFP_NORETRY) | 1 | |
| warn_alloc_failed+0x | 1 | |
| backtrace:ring_buffer_consumer_thread | 1 | |
| kernel_BUG_at_drivers/base/driver.c | 0 | 12 |
| invalid_opcode:#[##]SMP_DEBUG_PAGEALLOC | 0 | 12 |
| EIP_is_at_driver_register | 0 | 12 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 12 |
| backtrace:isa_register_driver | 0 | 12 |
| backtrace:idio_16_driver_init | 0 | 12 |
+------------------------------------------------------------------+------------+------------+
[ 10.002548] xz_dec_test: module loaded
[ 10.003490] xz_dec_test: Create a device node with 'mknod xz_dec_test c 250 0' and write .xz files to it.
[ 10.005742] ------------[ cut here ]------------
[ 10.006773] kernel BUG at drivers/base/driver.c:153!
[ 10.008042] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 10.009379] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc4-00031-g86ea8a9 #1
[ 10.011155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 10.013090] task: d3e6e000 ti: d3e78000 task.ti: d3e78000
[ 10.014213] EIP: 0060:[<c15d8814>] EFLAGS: 00010246 CPU: 0
[ 10.015351] EIP is at driver_register+0x29/0xbc
[ 10.016365] EAX: c1ec186c EBX: c1dea3d8 ECX: 00000000 EDX: 00000001
[ 10.017576] ESI: 00000000 EDI: c9fb9340 EBP: d3e79f00 ESP: d3e79ef8
[ 10.018782] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 10.019897] CR0: 80050033 CR2: 00000000 CR3: 01fed000 CR4: 000406d0
[ 10.021104] Stack:
[ 10.021834] c1dea3c0 00000000 d3e79f20 c15dedf7 00000286 00000000 00000286 c1f23128
[ 10.024194] 00000000 c9fb9340 d3e79f28 c1f2313b d3e79f84 c1ee7c5b d4d7a500 00000000
[ 10.026562] d3e79f00 c106ee1e 00000000 c1d83ad4 00060006 c1d80bf4 00000259 d4d7a5f8
[ 10.028924] Call Trace:
[ 10.029702] [<c15dedf7>] isa_register_driver+0x2b/0x11a
[ 10.030806] [<c1f23128>] ? gpiolib_debugfs_init+0x1f/0x1f
[ 10.031929] [<c1f2313b>] idio_16_driver_init+0x13/0x15
[ 10.033028] [<c1ee7c5b>] do_one_initcall+0xf7/0x1a4
[ 10.034092] [<c106ee1e>] ? parse_args+0x282/0x38b
[ 10.035143] [<c1ee7e79>] ? kernel_init_freeable+0x171/0x212
[ 10.036287] [<c1ee7e9c>] kernel_init_freeable+0x194/0x212
[ 10.037418] [<c1902636>] kernel_init+0xd/0xd5
[ 10.038424] [<c1909889>] ret_from_kernel_thread+0x21/0x38
[ 10.039547] [<c1902629>] ? rest_init+0x116/0x116
[ 10.040576] Code: 5d c3 55 89 e5 56 53 3e 8d 74 26 00 31 d2 89 c3 8b 40 04 8b 70 48 b8 6c 18 ec c1 85 f6 0f 94 c2 31 c9 e8 08 1c b2 ff 85 f6 75 02 <0f> 0b 8b 43 04 83 78 24 00 74 06 83 7b 20 00 75 18 83 78 28 00
[ 10.048568] EIP: [<c15d8814>] driver_register+0x29/0xbc SS:ESP 0068:d3e79ef8
[ 10.050047] ---[ end trace 7b29a3068007f652 ]---
[ 10.066206] Kernel panic - not syncing: Fatal exception
FYI, raw QEMU command line is:
qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/i386-randconfig-x0-05280946/gcc-6/86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e/vmlinuz-4.6.0-rc4-00031-g86ea8a9 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-i386-61/bisect_boot-1-quantal-core-i386.cgz-i386-randconfig-x0-05280946-86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e-20160530-53474-w6nzwk-0.yaml ARCH=i386 kconfig=i386-randconfig-x0-05280946 branch=linux-devel/devel-spot-201605280759 commit=86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e BOOT_IMAGE=/pkg/linux/i386-randconfig-x0-05280946/gcc-6/86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e/vmlinuz-4.6.0-rc4-00031-g86ea8a9 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-i386/quantal-core-i386.cgz/i386-randconfig-x0-05280946/gcc-6/86ea8a95a42f752fe0aa1c7ad1bfe8ce9be5d30e/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-vp-quantal-i386-61::dhcp drbd.minor_count=8' -initrd /fs/sdd1/initrd-vm-vp-quantal-i386-61 -m 360 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-i386-61 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-i386-61 -daemonize -display none -monitor null
Thanks,
Xiaolong
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