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Message-ID: <20130613013032.GA7558@localhost>
Date: Thu, 13 Jun 2013 09:30:32 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: fengguang.wu@...el.com, Nicholas Bellinger <nab@...ux-iscsi.org>
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [scsi] WARNING: at fs/sysfs/dir.c:530 sysfs_add_one()
Greetings,
I got the below dmesg and the first bad commit is
commit a256ba092ec57213f96059d41ac5473ff92f5e7c
Author: Nicholas Bellinger <nab@...ux-iscsi.org>
Date: Sat May 18 02:40:43 2013 -0700
scsi: Split scsi_dispatch_cmd into __scsi_dispatch_cmd setup
Signed-off-by: Nicholas Bellinger <nab@...ux-iscsi.org>
[ 29.326637] vda: unknown partition table
[ 29.386474] ------------[ cut here ]------------
[ 29.388453] WARNING: at /c/kernel-tests/src/stable/fs/sysfs/dir.c:530 sysfs_add_one+0x96/0xaa()
[ 29.391061] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:05.0/virtio1/block/vda/mq/0/cpu0'
[ 29.403737] Modules linked in:
[ 29.406289] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-rc4-13319-g10adcdf #541
[ 29.407936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[ 29.410433] ffffffff81d9d860 ffff88001df65958 ffffffff81994579 ffff88001df65998
[ 29.416742] ffffffff81068740 ffff88001bf6f000 ffff88001df659a8 ffff88001bf6f000
[ 29.418708] ffff88001b8fee60 00000000ffffffef ffff88001df65a48 ffff88001df659f8
[ 29.431422] Call Trace:
[ 29.433133] [<ffffffff81994579>] dump_stack+0x19/0x1b
[ 29.434352] [<ffffffff81068740>] warn_slowpath_common+0x67/0x80
[ 29.435606] [<ffffffff810687fc>] warn_slowpath_fmt+0x46/0x48
[ 29.437753] [<ffffffff811c0130>] sysfs_add_one+0x96/0xaa
[ 29.439068] [<ffffffff811c02b5>] create_dir+0x70/0xb2
[ 29.451011] [<ffffffff811c05b6>] sysfs_create_dir+0x9d/0xbb
[ 29.453076] [<ffffffff81461f19>] kobject_add_internal+0x11e/0x222
[ 29.454405] [<ffffffff81462220>] kobject_add+0x8b/0xa4
[ 29.455543] [<ffffffff8144b70d>] ? blk_mq_register_disk+0x72/0x18d
[ 29.457534] [<ffffffff8144b7bc>] blk_mq_register_disk+0x121/0x18d
[ 29.458956] [<ffffffff81444464>] blk_register_queue+0xb1/0x121
[ 29.470939] [<ffffffff8144d0b1>] ? disk_part_iter_next+0x27/0x126
[ 29.473011] [<ffffffff8144df8f>] add_disk+0x33b/0x45b
[ 29.474129] [<ffffffff815518fc>] virtblk_probe+0x4d6/0x5da
[ 29.475266] [<ffffffff8153e7e5>] ? driver_probe_device+0x2f7/0x2f7
[ 29.477436] [<ffffffff814e915b>] virtio_dev_probe+0xba/0xf9
[ 29.478740] [<ffffffff8153e60a>] driver_probe_device+0x11c/0x2f7
[ 29.490567] [<ffffffff8153e848>] __driver_attach+0x63/0x86
[ 29.491880] [<ffffffff8153c868>] bus_for_each_dev+0x5f/0x91
[ 29.493903] [<ffffffff8153df8d>] driver_attach+0x1e/0x20
[ 29.495102] [<ffffffff8153dbbe>] bus_add_driver+0x11d/0x241
[ 29.497041] [<ffffffff8153ee52>] driver_register+0x96/0x11c
[ 29.498262] [<ffffffff82358d87>] ? loop_init+0x147/0x147
[ 29.499433] [<ffffffff814e9303>] register_virtio_driver+0x2b/0x30
[ 29.511350] [<ffffffff82358ddb>] init+0x54/0x8b
[ 29.513134] [<ffffffff8100028d>] do_one_initcall+0xa0/0x137
[ 29.514312] [<ffffffff82314e1a>] kernel_init_freeable+0x13c/0x1cb
[ 29.515532] [<ffffffff823146ee>] ? do_early_param+0x8d/0x8d
[ 29.517357] [<ffffffff8197dee9>] ? rest_init+0xdd/0xdd
[ 29.518558] [<ffffffff8197def7>] kernel_init+0xe/0xdb
[ 29.527871] [<ffffffff819a641c>] ret_from_fork+0x7c/0xb0
[ 29.529838] [<ffffffff8197dee9>] ? rest_init+0xdd/0xdd
[ 29.531584] ---[ end trace dfaab53c7b1f7bcc ]---
git bisect start 10adcdf8d7877e87f3084678709fe74f1e42a25b v3.9 --
git bisect good 1aad08dc571604ebe473e2a187f0f7b211ae6c3f # 18:48 1366+ Merge tag 'pm+acpi-3.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
git bisect good 138de5158fc6968b483ef2a7aaf59ad92c362c4c # 19:57 170+ [MEDIA] Remove duplicate entry for tuner-3036.
git bisect good 61143925693ceef11350b385aa1c685091277cfc # 20:06 720+ ARM: shmobile: r8a7778: use fixed ratio clock
git bisect good c2da33a672cb50a043751c68f1c01309f260617f # 20:46 170+ arm64: KVM: Basic ESR_EL2 helpers and vcpu register access
git bisect bad a486357b0ce26a04a496156e2e4ce9595cf495d9 # 20:49 0- block: Add missing blk_mq_free_request for scsi-ioctl -> SG_IO
git bisect bad 7605530fdbe18d69bf84855350c53eb93e8616af # 20:49 0- scsi: Make scsi_softirq_done extern for scsi-mq
git bisect good 00060f37d61cce84b05ab265a1d3532fb83b1002 # 20:49 185+ mtip32xx: basic mq support
git bisect good c10a780562ba6664b0766411b7d6924c8d785437 # 00:58 170+ blk-mq: cpu hot plug/unplug fixes
git bisect good 5754ab54c1b28888e9700550585c5729fccbd15f # 00:58 185+ blk-mq: timeout fixes
git bisect bad a256ba092ec57213f96059d41ac5473ff92f5e7c # 00:58 0- scsi: Split scsi_dispatch_cmd into __scsi_dispatch_cmd setup
git bisect good 5754ab54c1b28888e9700550585c5729fccbd15f # 01:46 510+ blk-mq: timeout fixes
git bisect bad 10adcdf8d7877e87f3084678709fe74f1e42a25b # 01:46 0- Merge remote-tracking branch 'arm-platforms/kvm-arm64/kvm' into devel-hourly-2013060809
git bisect good 77293e215edef7871a39de4b326f777bc39278ca # 02:22 510+ Merge branch 'fixes-3.10' of git://git.infradead.org/users/willy/linux-nvme
git bisect good c04efed734409f5a44715b54a6ca1b54b0ccf215 # 03:42 510+ Add linux-next specific files for 20130607
Thanks,
Fengguang
View attachment "dmesg-kvm-ant-24774-20130610130334-3.10.0-rc4-13319-g10adcdf-541" of type "text/plain" (41284 bytes)
Download attachment "bisect-10adcdf8d7877e87f3084678709fe74f1e42a25b-x86_64-lkp-sysfs_add_one-80868.log" of type "application/octet-stream" (14207 bytes)
View attachment ".config-bisect" of type "text/plain" (82281 bytes)
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