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Date: Mon, 28 Mar 2016 09:16:26 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Johannes Thumshirn <jthumshirn@...e.de>
CC: 0day robot <fengguang.wu@...el.com>
Subject: [lkp] [scsi] cff4ea87f6: kernel BUG at
drivers/scsi/scsi_scan.c:319!
FYI, we noticed the below changes on
https://github.com/0day-ci/linux Johannes-Thumshirn/scsi-Add-intermediate-STARGET_REMOVE-state-to-scsi_target_state/20160324-175806
commit cff4ea87f621a3ba6c6039909ea7460640ca3feb ("scsi: Add intermediate STARGET_REMOVE state to scsi_target_state")
+------------------------------------------+------------+------------+
| | fd30a352d5 | cff4ea87f6 |
+------------------------------------------+------------+------------+
| boot_successes | 10 | 15 |
| boot_failures | 1 | 7 |
| BUG:kernel_test_crashed | 1 | |
| kernel_BUG_at_drivers/scsi/scsi_scan.c | 0 | 7 |
| invalid_opcode:#[##]SMP | 0 | 7 |
| RIP:scsi_target_destroy | 0 | 7 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 7 |
| backtrace:async_run_entry_fn | 0 | 7 |
+------------------------------------------+------------+------------+
[ 8.809555] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc080 irq 14
[ 8.811547] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc088 irq 15
[ 8.814404] ------------[ cut here ]------------
[ 8.815538] kernel BUG at drivers/scsi/scsi_scan.c:319!
[ 8.816893] invalid opcode: 0000 [#1] SMP
[ 8.818243] Modules linked in: snd soundcore ata_piix aesni_intel(+) lrw gf128mul glue_helper ablk_helper cryptd pcspkr serio_raw virtio_scsi floppy(+) parport_pc(+) parport i2c_piix4 libata acpi_cpufreq
[ 8.823529] CPU: 1 PID: 63 Comm: kworker/u4:1 Not tainted 4.5.0-rc6-00276-gcff4ea8 #1
[ 8.825450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 8.828769] Workqueue: events_unbound async_run_entry_fn
[ 8.830922] task: ffff8800177fa580 ti: ffff88003f8d4000 task.ti: ffff88003f8d4000
[ 8.834324] RIP: 0010:[<ffffffff815b4494>] [<ffffffff815b4494>] scsi_target_destroy+0xc4/0xd0
[ 8.837995] RSP: 0018:ffff88003f8d7c70 EFLAGS: 00010293
[ 8.839975] RAX: 0000000000000001 RBX: ffff8800350a2000 RCX: 000000000000102b
[ 8.842375] RDX: 0000000000000081 RSI: 0000000000000246 RDI: ffff8800350a2208
[ 8.844765] RBP: ffff88003f8d7c98 R08: 000000000001a5a0 R09: ffffffff8118e2f2
[ 8.846934] R10: ffffea0000fe50c0 R11: 0000000000000000 R12: ffff88003fbd9c00
[ 8.848631] R13: ffff88003fbd9c28 R14: 0000000000000000 R15: ffff8800350a2208
[ 8.850270] FS: 0000000000000000(0000) GS:ffff880037300000(0000) knlGS:0000000000000000
[ 8.853058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.854533] CR2: 0000559f3a6e0038 CR3: 0000000017b09000 CR4: 00000000000406e0
[ 8.856200] Stack:
[ 8.857411] ffff88003fbd9c00 ffff88003fbd9c28 ffffffffffffffff 0000000000000000
[ 8.860228] ffff8800350a2208 ffff88003f8d7cb8 ffffffff815b44d5 ffff88003fbd9c00
[ 8.862413] ffff88003fbd9c28 ffff88003f8d7cc8 ffffffff815b5d9c ffff88003f8d7d10
[ 8.865692] Call Trace:
[ 8.867019] [<ffffffff815b44d5>] scsi_target_reap_ref_release+0x35/0x40
[ 8.869039] [<ffffffff815b5d9c>] scsi_target_reap+0x2c/0x30
[ 8.870302] [<ffffffff815b5f98>] __scsi_scan_target+0xa8/0x230
[ 8.871535] [<ffffffff815b626f>] scsi_scan_channel+0x5f/0x80
[ 8.872827] [<ffffffff815b6416>] scsi_scan_host_selected+0xf6/0x1a0
[ 8.874173] [<ffffffff815b654d>] do_scsi_scan_host+0x8d/0x90
[ 8.875410] [<ffffffff815b671c>] do_scan_async+0x1c/0x180
[ 8.876621] [<ffffffff8109b19a>] async_run_entry_fn+0x4a/0x140
[ 8.877859] [<ffffffff81092365>] process_one_work+0x155/0x440
[ 8.879228] [<ffffffff81092fae>] worker_thread+0x4e/0x4c0
[ 8.880482] [<ffffffff818e157c>] ? __schedule+0x35c/0x8e0
[ 8.881680] [<ffffffff81092f60>] ? rescuer_thread+0x350/0x350
[ 8.882907] [<ffffffff81092f60>] ? rescuer_thread+0x350/0x350
[ 8.884169] [<ffffffff81098554>] kthread+0xd4/0xf0
[ 8.885314] [<ffffffff81098480>] ? kthread_park+0x60/0x60
[ 8.886543] [<ffffffff818e633f>] ret_from_fork+0x3f/0x70
[ 8.887718] [<ffffffff81098480>] ? kthread_park+0x60/0x60
[ 8.889237] Code: 89 fe 48 8b 7b 58 e8 0c 15 33 00 4c 89 ef e8 94 b7 fb ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 31 db 41 83 bc 24 24 03 00 00 03 74 85 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5
[ 8.898654] RIP [<ffffffff815b4494>] scsi_target_destroy+0xc4/0xd0
[ 8.900072] RSP <ffff88003f8d7c70>
[ 8.901034] ---[ end trace a8392849b128d3d2 ]---
[ 8.902216] Kernel panic - not syncing: Fatal exception
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/x86_64-rhel/gcc-4.9/cff4ea87f621a3ba6c6039909ea7460640ca3feb/vmlinuz-4.5.0-rc6-00276-gcff4ea8 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-kbuild-1G-9/rand_boot-1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-cff4ea87f621a3ba6c6039909ea7460640ca3feb-20160324-62719-rt4gmw-0.yaml ARCH=x86_64 kconfig=x86_64-rhel branch=linux-review/Johannes-Thumshirn/scsi-Add-intermediate-STARGET_REMOVE-state-to-scsi_target_state/20160324-175806 commit=cff4ea87f621a3ba6c6039909ea7460640ca3feb BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/cff4ea87f621a3ba6c6039909ea7460640ca3feb/vmlinuz-4.5.0-rc6-00276-gcff4ea8 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-kbuild-1G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/cff4ea87f621a3ba6c6039909ea7460640ca3feb/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-kbuild-1G-9::dhcp' -initrd /fs/sdc1/initrd-vm-kbuild-1G-9 -m 1024 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::23008-:22 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -device virtio-scsi-pci,id=scsi0 -drive file=/fs/sdc1/disk0-vm-kbuild-1G-9,if=none,id=hd0,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd0,scsi-id=1,lun=0 -drive file=/fs/sdc1/disk1-vm-kbuild-1G-9,if=none,id=hd1,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd1,scsi-id=1,lun=1 -drive file=/fs/sdc1/disk2-vm-kbuild-1G-9,if=none,id=hd2,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd2,scsi-id=1,lun=2 -drive file=/fs/sdc1/disk3-vm-kbuild-1G-9,if=none,id=hd3,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd3,scsi-id=1,lun=3 -drive file=/fs/sdc1/disk4-vm-kbuild-1G-9,if=none,id=hd4,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd4,scsi-id=1,lun=4 -pidfile /dev/shm/kboot/pid-vm-kbuild-1G-9 -serial file:/dev/shm/kboot/serial-vm-kbuild-1G-9 -daemonize -display none -monitor null
Thanks,
Kernel Test Robot
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