linux-kernel - 2.6.21-rc7: BUG: sleeping function called from invalid context at net/core/sock.c:1523

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Date:	Mon, 23 Apr 2007 13:46:01 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Greg KH <gregkh@...e.de>, marcel@...tmann.org, maxk@...lcomm.com,
	bluez-devel@...ts.sf.net, Cedric Le Goater <clg@...ibm.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: 2.6.21-rc7: BUG: sleeping function called from invalid context at
 net/core/sock.c:1523

I got this on resume; it looks like a Bluetooth and/or USB problem.

PM: Removing info for No Bus:hci0
BUG: sleeping function called from invalid context at net/core/sock.c:1523
in_atomic():1, irqs_disabled():0
1 lock held by khubd/180:
 #0:  (old_style_rw_init#2){-.-?}, at: [<f88c5816>] hci_sock_dev_event+0x42/0xc5 [bluetooth]
 [<c01091b5>] show_trace_log_lvl+0x1a/0x30
 [<c010980c>] show_trace+0x12/0x14
 [<c01098cb>] dump_stack+0x16/0x18
 [<c0124191>] __might_sleep+0xe5/0xeb
 [<c0309ece>] lock_sock_nested+0x1d/0xc4
 [<f88c587b>] hci_sock_dev_event+0xa7/0xc5 [bluetooth]
 [<c037c8d2>] notifier_call_chain+0x20/0x3c
 [<c037c915>] atomic_notifier_call_chain+0x27/0x50
 [<f88c1a55>] hci_notify+0x12/0x14 [bluetooth]
 [<f88c2626>] hci_unregister_dev+0x4c/0x65 [bluetooth]
 [<f89f5d38>] hci_usb_disconnect+0x42/0x6f [hci_usb]
 [<c02d7e49>] usb_unbind_interface+0x33/0x69
 [<c028f3fa>] __device_release_driver+0x74/0x90
 [<c028f870>] device_release_driver+0x33/0x4b
 [<c028ee0f>] bus_remove_device+0x73/0x82
 [<c028d412>] device_del+0x169/0x1cf
 [<c02d5c00>] usb_disable_device+0x62/0xc2
 [<c02d2807>] usb_disconnect+0x95/0x114
 [<c02d34d8>] hub_thread+0x2e2/0x99b
 [<c013c8f7>] kthread+0xb5/0xe2
 [<c0108d97>] kernel_thread_helper+0x7/0x10
 =======================
PM: Removing info for usb:4-1:1.0

The machine came up anyway, without apparent problems.

	J


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