From: Sitsofe Wheeler <sitsofe@yahoo.com>
To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
Mauro Carvalho Chehab <mchehab@infradead.org>
Subject: BUG: unable to handle kernel paging request at 6b6b6bcb (v4l2_device_disconnect+0x11/0x30)
Date: Mon, 29 Aug 2011 21:48:46 +0100 [thread overview]
Message-ID: <20110829204846.GA14699@sucs.org> (raw)
Hi,
I managed to produce an oops in 3.1.0-rc3-00270-g7a54f5e by unplugging a
USB webcam. See below:
eeepc kernel: [ 1263.874756] cheese[3402]: segfault at 58 ip 080630b6 sp afc2c840 error 4 in cheese[8048000+24000]
eeepc kernel: [ 1393.419370] uvcvideo: Non-zero status (-84) in status completion handler.
eeepc kernel: [ 1393.500719] usb 3-2: USB disconnect, device number 4
eeepc kernel: [ 1393.504351] uvcvideo: Failed to resubmit video URB (-19).
eeepc kernel: [ 1495.428853] BUG: unable to handle kernel paging request at 6b6b6bcb
eeepc kernel: [ 1495.429017] IP: [<b0358d37>] dev_get_drvdata+0x17/0x20
eeepc kernel: [ 1495.429017] *pde = 00000000
eeepc kernel: [ 1495.429017] Oops: 0000 [#1] DEBUG_PAGEALLOC
eeepc kernel: [ 1495.429017]
eeepc kernel: [ 1495.429017] Pid: 3476, comm: cheese Not tainted 3.1.0-rc3-00270-g7a54f5e-dirty #485 ASUSTeK Computer INC. 900/900
eeepc kernel: [ 1495.429017] EIP: 0060:[<b0358d37>] EFLAGS: 00010202 CPU: 0
eeepc kernel: [ 1495.429017] EIP is at dev_get_drvdata+0x17/0x20
eeepc kernel: [ 1495.429017] EAX: 6b6b6b6b EBX: eb08d870 ECX: 00000000 EDX: eb08d930
eeepc kernel: [ 1495.429017] ESI: eb08d870 EDI: eb08d870 EBP: d3249cac ESP: d3249cac
eeepc kernel: [ 1495.429017] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
eeepc kernel: [ 1495.429017] Process cheese (pid: 3476, ti=d3248000 task=df46d870 task.ti=d3248000)
eeepc kernel: [ 1495.429017] Stack:
eeepc kernel: [ 1495.429017] d3249cb8 b03e77a1 d307b840 d3249ccc b03e77d1 d307b840 eb08d870 eb08d830
eeepc kernel: [ 1495.429017] d3249ce4 b03ed3b7 00000246 d307b840 eb08d870 d3021b80 d3249cec b03ed565
eeepc kernel: [ 1495.429017] d3249cfc b03e044d e8323d10 b06e013c d3249d18 b0355fb9 fffffffe d3249d1c
eeepc kernel: [ 1495.429017] Call Trace:
eeepc kernel: [ 1495.429017] [<b03e77a1>] v4l2_device_disconnect+0x11/0x30
eeepc kernel: [ 1495.429017] [<b03e77d1>] v4l2_device_unregister+0x11/0x50
eeepc kernel: [ 1495.429017] [<b03ed3b7>] uvc_delete+0x37/0x110
eeepc kernel: [ 1495.429017] [<b03ed565>] uvc_release+0x25/0x30
eeepc kernel: [ 1495.429017] [<b03e044d>] v4l2_device_release+0x9d/0xc0
eeepc kernel: [ 1495.429017] [<b0355fb9>] device_release+0x19/0x90
eeepc kernel: [ 1495.429017] [<b03adfdc>] ? usb_hcd_unlink_urb+0x7c/0x90
eeepc kernel: [ 1495.429017] [<b026b99c>] kobject_release+0x3c/0x90
eeepc kernel: [ 1495.429017] [<b026b960>] ? kobject_del+0x30/0x30
eeepc kernel: [ 1495.429017] [<b026ca4c>] kref_put+0x2c/0x60
eeepc kernel: [ 1495.429017] [<b026b88d>] kobject_put+0x1d/0x50
eeepc kernel: [ 1495.429017] [<b03b2385>] ? usb_autopm_put_interface+0x25/0x30
eeepc kernel: [ 1495.429017] [<b03f0e5d>] ? uvc_v4l2_release+0x5d/0xd0
eeepc kernel: [ 1495.429017] [<b0355d2f>] put_device+0xf/0x20
eeepc kernel: [ 1495.429017] [<b03dfa96>] v4l2_release+0x56/0x60
eeepc kernel: [ 1495.429017] [<b019c8dc>] fput+0xcc/0x220
eeepc kernel: [ 1495.429017] [<b01990f4>] filp_close+0x44/0x70
eeepc kernel: [ 1495.429017] [<b012b238>] put_files_struct+0x158/0x180
eeepc kernel: [ 1495.429017] [<b012b100>] ? put_files_struct+0x20/0x180
eeepc kernel: [ 1495.429017] [<b012b2a0>] exit_files+0x40/0x50
eeepc kernel: [ 1495.429017] [<b012b9e7>] do_exit+0x5a7/0x660
eeepc kernel: [ 1495.429017] [<b0135f72>] ? __dequeue_signal+0x12/0x120
eeepc kernel: [ 1495.429017] [<b055edf2>] ? _raw_spin_unlock_irq+0x22/0x30
eeepc kernel: [ 1495.429017] [<b012badc>] do_group_exit+0x3c/0xb0
eeepc kernel: [ 1495.429017] [<b015792b>] ? trace_hardirqs_on+0xb/0x10
eeepc kernel: [ 1495.429017] [<b013755f>] get_signal_to_deliver+0x18f/0x570
eeepc kernel: [ 1495.429017] [<b01020f7>] do_signal+0x47/0x9e0
eeepc kernel: [ 1495.429017] [<b055edf2>] ? _raw_spin_unlock_irq+0x22/0x30
eeepc kernel: [ 1495.429017] [<b015792b>] ? trace_hardirqs_on+0xb/0x10
eeepc kernel: [ 1495.429017] [<b0123300>] ? T.1034+0x30/0xc0
eeepc kernel: [ 1495.429017] [<b055c45f>] ? schedule+0x29f/0x640
eeepc kernel: [ 1495.429017] [<b0102ac8>] do_notify_resume+0x38/0x40
eeepc kernel: [ 1495.429017] [<b055f154>] work_notifysig+0x9/0x11
eeepc kernel: [ 1495.429017] Code: e5 5d 83 f8 01 19 c0 f7 d0 83 e0 f0 c3 8d b4 26 00 00 00 00 55 85 c0 89 e5 75 09 31 c0 5d c3 90 8d 74 26 00 8b 40 04 85 c0 74 f0 <8b> 40 60 5d c3 8d 74 26 00 55 89 e5 53 89 c3 83 ec 04 8b 40 04
eeepc kernel: [ 1495.429017] EIP: [<b0358d37>] dev_get_drvdata+0x17/0x20 SS:ESP 0068:d3249cac
eeepc kernel: [ 1495.429017] CR2: 000000006b6b6bcb
eeepc kernel: [ 1495.466975] uvcvideo: Failed to resubmit video URB (-27).
eeepc kernel: [ 1495.467860] uvcvideo: Failed to resubmit video URB (-27).
eeepc kernel: last message repeated 3 times
eeepc kernel: [ 1495.512610] ---[ end trace 73ec16848794e5a5 ]---
eeepc kernel: [ 1495.512620] Fixing recursive fault but reboot is needed!
--
Sitsofe | http://sucs.org/~sits/
next reply other threads:[~2011-08-29 21:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 20:48 Sitsofe Wheeler [this message]
2011-08-30 22:20 ` BUG: unable to handle kernel paging request at 6b6b6bcb (v4l2_device_disconnect+0x11/0x30) Laurent Pinchart
2011-08-31 7:30 ` Sitsofe Wheeler
2011-09-01 9:02 ` Dave Young
2011-09-01 19:10 ` Sitsofe Wheeler
2011-09-02 4:59 ` Dave Young
2011-09-02 5:35 ` Dave Young
2011-09-02 7:29 ` Sitsofe Wheeler
2011-09-05 9:59 ` Laurent Pinchart
2011-09-05 10:13 ` Hans Verkuil
2011-09-05 10:16 ` Hans Verkuil
2011-09-05 22:31 ` Sitsofe Wheeler
2011-09-06 8:07 ` Dave Young
2011-09-06 8:20 ` Laurent Pinchart
2011-09-05 14:10 ` Yang Ruirui
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=20110829204846.GA14699@sucs.org \
--to=sitsofe@yahoo.com \
--cc=g.liakhovetski@gmx.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@infradead.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox