From: Dave Young <hidave.darkstar@gmail.com>
To: Oliver Hartkopp <oliver@hartkopp.net>
Cc: Marcel Holtmann <marcel@holtmann.org>,
Linux Netdev List <netdev@vger.kernel.org>,
linux-bluetooth@vger.kernel.org
Subject: Re: [BUG net-2.6] bluetooth/rfcomm : sleeping function called from invalid context at mm/slub.c:1719
Date: Fri, 2 Oct 2009 19:01:10 +0800 [thread overview]
Message-ID: <a8e1da0910020401m2fb8493ax95ff55a3b66131a5@mail.gmail.com> (raw)
In-Reply-To: <4AC59D8A.6000102@hartkopp.net>
On Fri, Oct 2, 2009 at 2:28 PM, Oliver Hartkopp <oliver@hartkopp.net> wrote:
> Hello Marcel,
>
> with current net-2.6 tree ...
>
> While starting my PPP Bluetooth dialup networking, i got this:
Hi, oliver
please try following patch:
http://patchwork.kernel.org/patch/51326/
>
> [ 722.461549] PPP generic driver version 2.4.2
> [ 722.477519] BUG: sleeping function called from invalid context at
> mm/slub.c:1719
> [ 722.477530] in_atomic(): 1, irqs_disabled(): 0, pid: 4677, name: pppd
> [ 722.477537] 3 locks held by pppd/4677:
> [ 722.477542] #0: (rfcomm_mutex){+.+.+.}, at: [<fa5df2a1>]
> rfcomm_dlc_open+0x28/0x2d6 [rfcomm]
> [ 722.477568] #1: (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.+.}, at:
> [<fa5414f8>] l2cap_sock_connect+0x62/0x2c6 [l2cap]
> [ 722.477589] #2: (&hdev->lock){+...+.}, at: [<fa5415b4>]
> l2cap_sock_connect+0x11e/0x2c6 [l2cap]
> [ 722.477613] Pid: 4677, comm: pppd Not tainted 2.6.31-08939-gdb8abec-dirty #21
> [ 722.477619] Call Trace:
> [ 722.477633] [<c1042a2b>] ? __debug_show_held_locks+0x1e/0x20
> [ 722.477644] [<c10212a1>] __might_sleep+0xc9/0xce
> [ 722.477655] [<c1078b62>] __kmalloc+0x6d/0xfb
> [ 722.477666] [<c119e739>] ? kzalloc+0xb/0xd
> [ 722.477674] [<c119e739>] kzalloc+0xb/0xd
> [ 722.477683] [<c119ef1a>] device_private_init+0x15/0x3d
> [ 722.477693] [<c11a0e1b>] dev_set_drvdata+0x18/0x26
> [ 722.477718] [<f8b7ca1b>] hci_conn_init_sysfs+0x3d/0xc7 [bluetooth]
> [ 722.477737] [<f8b791b3>] hci_conn_add+0x1c0/0x1d5 [bluetooth]
> [ 722.477756] [<f8b79360>] hci_connect+0x71/0x17d [bluetooth]
> [ 722.477769] [<fa54162c>] l2cap_sock_connect+0x196/0x2c6 [l2cap]
> [ 722.477782] [<c1246e3d>] kernel_connect+0xd/0x12
> [ 722.477795] [<fa5df3c3>] rfcomm_dlc_open+0x14a/0x2d6 [rfcomm]
> [ 722.477810] [<fa5e10fa>] ? rfcomm_tty_open+0x73/0x227 [rfcomm]
> [ 722.477825] [<fa5e1130>] rfcomm_tty_open+0xa9/0x227 [rfcomm]
> [ 722.477836] [<c1022e3f>] ? default_wake_function+0x0/0xd
> [ 722.477847] [<c1180c79>] tty_open+0x29e/0x399
> [ 722.477858] [<c107e9bd>] chrdev_open+0x13f/0x156
> [ 722.477868] [<c107b0d3>] __dentry_open+0x11b/0x20f
> [ 722.477878] [<c107b261>] nameidata_to_filp+0x2c/0x43
> [ 722.477888] [<c107e87e>] ? chrdev_open+0x0/0x156
> [ 722.477898] [<c1084e9e>] do_filp_open+0x3c6/0x70a
> [ 722.477910] [<c108d3e4>] ? alloc_fd+0xc8/0xd2
> [ 722.477920] [<c108d3e4>] ? alloc_fd+0xc8/0xd2
> [ 722.477930] [<c107aebc>] do_sys_open+0x4a/0xe7
> [ 722.477940] [<c1002acc>] ? restore_all_notrace+0x0/0x18
> [ 722.477950] [<c107af9b>] sys_open+0x1e/0x26
> [ 722.477959] [<c1002a18>] sysenter_do_call+0x12/0x36
> [ 729.658613] PPP BSD Compression module registered
> [ 729.684789] PPP Deflate Compression module registered
>
> Any idea?
>
> Regards,
> Oliver
> --
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>
--
Regards
dave
next prev parent reply other threads:[~2009-10-02 11:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-02 6:28 [BUG net-2.6] bluetooth/rfcomm : sleeping function called from invalid context at mm/slub.c:1719 Oliver Hartkopp
2009-10-02 9:52 ` Oliver Hartkopp
2009-10-02 11:01 ` Dave Young [this message]
[not found] ` <a8e1da0910020401m2fb8493ax95ff55a3b66131a5-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-02 16:04 ` Oliver Hartkopp
2009-10-03 7:06 ` Dave Young
2009-10-03 9:43 ` Oliver Hartkopp
2009-10-04 3:26 ` Dave Young
2009-10-04 18:06 ` Gustavo F. Padovan
2009-10-05 4:08 ` Dave Young
2009-10-09 0:44 ` Dave Young
2009-10-10 9:54 ` Oliver Hartkopp
2009-10-10 10:38 ` Marcel Holtmann
[not found] ` <1255171112.19127.1.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-10-10 13:45 ` Dave Young
[not found] ` <20091010134517.GA2855-4/PLUo9XfK8ghh91vJqQoSYtLZS1qPHf@public.gmane.org>
2009-10-11 2:39 ` Dave Young
[not found] ` <4AC6247E.7050308-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2009-10-07 17:16 ` Oliver Hartkopp
[not found] ` <4ACCCCF5.9060203-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2009-10-08 1:25 ` Dave Young
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