From: Dave Jones <davej@redhat.com>
To: gregkh@linuxfoundation.org
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: removing usb debug cable triggers lockdep warning.
Date: Fri, 31 Jan 2014 16:11:18 -0500 [thread overview]
Message-ID: <20140131211118.GA23873@redhat.com> (raw)
usb 3-3: USB disconnect, device number 2
console [ttyUSB0] disabled
debug ttyUSB0: debug converter now disconnected from ttyUSB0
usb_debug 3-3:1.0: device disconnected
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 3 PID: 66 Comm: khubd Not tainted 3.13.0+ #104
ffffffffbb28cf50 000000000f74f0eb ffff880242eb3a08 ffffffffba73a377
ffff880243741740 ffff880242eb3a18 ffffffffba7368b9 ffff880242eb3a90
ffffffffba0c1560 0000000000000003 ffff880242eb2000 ffff880242eb3aa8
Call Trace:
[<ffffffffba73a377>] dump_stack+0x4e/0x7a
[<ffffffffba7368b9>] register_lock_class.part.21+0x38/0x3c
[<ffffffffba0c1560>] __lock_acquire.isra.28+0xa10/0xa50
[<ffffffffba0c1cfd>] lock_acquire+0x8d/0x120
[<ffffffffba24ba88>] ? kernfs_addrm_finish+0x38/0x60
[<ffffffffba24acde>] kernfs_deactivate+0x10e/0x150
[<ffffffffba24ba88>] ? kernfs_addrm_finish+0x38/0x60
[<ffffffffba24ba88>] kernfs_addrm_finish+0x38/0x60
[<ffffffffba24bd00>] kernfs_remove_by_name_ns+0x60/0xc0
[<ffffffffba2498d1>] remove_files.isra.1+0x41/0x80
[<ffffffffba249bc7>] sysfs_remove_group+0x47/0xa0
[<ffffffffba249cf3>] sysfs_remove_groups+0x33/0x50
[<ffffffffba4ded6d>] device_remove_attrs+0x4d/0x80
[<ffffffffba4df9ae>] device_del+0x12e/0x1d0
[<ffffffffba53ce08>] usb_disconnect+0x138/0x1d0
[<ffffffffba540153>] hub_thread+0x723/0x1700
[<ffffffffba09d7c4>] ? finish_task_switch+0x44/0x190
[<ffffffffba0ba030>] ? wake_up_atomic_t+0x30/0x30
[<ffffffffba53fa30>] ? usb_reset_device+0x1d0/0x1d0
[<ffffffffba093dcc>] kthread+0xfc/0x120
[<ffffffffba093cd0>] ? kthread_create_on_node+0x230/0x230
[<ffffffffba74d96c>] ret_from_fork+0x7c/0xb0
[<ffffffffba093cd0>] ? kthread_create_on_node+0x230/0x230
next reply other threads:[~2014-01-31 21:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 21:11 Dave Jones [this message]
2014-02-01 8:45 ` removing usb debug cable triggers lockdep warning Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140131211118.GA23873@redhat.com \
--to=davej@redhat.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.