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Date: Tue, 27 May 2014 13:25:49 -0400
From: Valdis Kletnieks <Valdis.Kletnieks@...edu>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: next-20140529 - BUG: sleeping function called from invalid context at mm/slab.c:2946
This seems to be a repeateable BUG in next-20140529 (have hit it in
2 boots out of 2). Seeing it on a Dell Latitude E6530 while it's
enumerating the internal USB hubs. Whatever trips it, it's new since
next-20140519.
% lsusb
Bus 002 Device 004: ID 0a5c:5801 Broadcom Corp. BCM5880 Secure Applications Processor with fingerprint swipe sensor
Bus 002 Device 003: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 413c:5534 Dell Computer Corp.
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 0e8f:0020 GreenAsia Inc. USB to PS/2 Adapter
Bus 003 Device 003: ID 413c:2134 Dell Computer Corp.
Bus 003 Device 002: ID 045e:0023 Microsoft Corp. Trackball Optical
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Anybody recognize this, before I go off to bisect land?
[ 3.717306] usb 3-4: New USB device found, idVendor=413c, idProduct=2134
[ 3.717316] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3.717322] usb 3-4: Product: USB2134
[ 3.717327] usb 3-4: Manufacturer: SMSC
[ 3.718174] hub 3-4:1.0: USB hub found
[ 3.718217] hub 3-4:1.0: 3 ports detected
[ 3.720133] BUG: sleeping function called from invalid context at mm/slab.c:2946
[ 3.720235] in_atomic(): 1, irqs_disabled(): 1, pid: 39, name: kworker/2:1
[ 3.720308] 3 locks held by kworker/2:1/39:
[ 3.720311] #0: ("pm"){.+.+.+}, at: [<ffffffff81056fac>] process_one_work+0x1fa/0x4be
[ 3.720330] #1: ((&dev->power.work)){+.+.+.}, at: [<ffffffff81056fac>] process_one_work+0x1fa/0x4be
[ 3.720346] #2: (&(&xhci->lock)->rlock){-.-...}, at: [<ffffffff813ce13f>] xhci_stop_device.constprop.7+0x61/0x14a
[ 3.720363] irq event stamp: 7490
[ 3.720366] hardirqs last enabled at (7489): [<ffffffff81081c7c>] debug_check_no_locks_freed+0x123/0x131
[ 3.720374] hardirqs last disabled at (7490): [<ffffffff81687c36>] _raw_spin_lock_irqsave+0x17/0x4e
[ 3.720382] softirqs last enabled at (7426): [<ffffffff81041ae4>] __do_softirq+0x2ab/0x403
[ 3.720388] softirqs last disabled at (7413): [<ffffffff81041edf>] irq_exit+0x4c/0xbb
[ 3.720396] CPU: 2 PID: 39 Comm: kworker/2:1 Not tainted 3.15.0-rc7-next-20140526-dirty #215
[ 3.720400] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A11 03/12/2013
[ 3.720406] ^AdWorkqueue: pm pm_runtime_work
[ 3.720411] 0000000000000000 ffff880128edb768 ffffffff8167d3af 0000000000000027
[ 3.720423] ffff880128ee0a50 ffff880128edb790 ffffffff81065fe4 0000000000008010
[ 3.720435] ffff88012d000280 ffff88012d000280 ffff880128edb7a0 ffffffff8112fe1e
[ 3.720446] Call Trace:
[ 3.720453] [<ffffffff8167d3af>] dump_stack+0x51/0xaa
[ 3.720462] [<ffffffff81065fe4>] __might_sleep+0x1b7/0x1be
[ 3.720470] [<ffffffff8112fe1e>] cache_alloc_debugcheck_before.isra.45+0x1d/0x1f
[ 3.720477] [<ffffffff811311b0>] __kmalloc+0x62/0x10d
[ 3.720485] [<ffffffff813c71e9>] ? kzalloc+0xf/0x11
[ 3.720492] [<ffffffff813c71e9>] kzalloc+0xf/0x11
[ 3.720499] [<ffffffff813c876a>] xhci_alloc_command+0x25/0xac
[ 3.720506] [<ffffffff813ce164>] xhci_stop_device.constprop.7+0x86/0x14a
[ 3.720513] [<ffffffff813cece8>] xhci_hub_control+0x9ca/0xdb6
[ 3.720521] [<ffffffff810819c3>] ? trace_hardirqs_on_caller+0x18f/0x1ab
[ 3.720529] [<ffffffff813a0501>] usb_hcd_submit_urb+0x598/0x7cf
[ 3.720536] [<ffffffff8108181d>] ? mark_held_locks+0x5d/0x74
[ 3.720543] [<ffffffff81081c7c>] ? debug_check_no_locks_freed+0x123/0x131
[ 3.720550] [<ffffffff810819c3>] ? trace_hardirqs_on_caller+0x18f/0x1ab
[ 3.720556] [<ffffffff810819ec>] ? trace_hardirqs_on+0xd/0xf
[ 3.720563] [<ffffffff813a1443>] usb_submit_urb+0x448/0x481
[ 3.720570] [<ffffffff813a2174>] usb_start_wait_urb+0x72/0x119
[ 3.720577] [<ffffffff813a22e8>] usb_control_msg+0xcd/0xf2
[ 3.720585] [<ffffffff81686b67>] ? __mutex_unlock_slowpath+0x19d/0x1af
[ 3.720592] [<ffffffff81398455>] set_port_feature+0x30/0x32
[ 3.720599] [<ffffffff8139ab47>] usb_port_suspend+0x167/0x24a
[ 3.720605] [<ffffffff813abf2c>] generic_suspend+0x21/0x27
[ 3.720612] [<ffffffff813a449e>] usb_suspend_both+0xe9/0x190
[ 3.720619] [<ffffffff813a5311>] usb_runtime_suspend+0x2e/0x69
[ 3.720626] [<ffffffff813a52e3>] ? usb_probe_interface+0x1db/0x1db
[ 3.720633] [<ffffffff8132b579>] __rpm_callback+0x34/0x5b
[ 3.720640] [<ffffffff8132b60f>] rpm_callback+0x6f/0x85
[ 3.720646] [<ffffffff8132bce9>] rpm_suspend+0x26e/0x405
[ 3.720654] [<ffffffff8108596f>] ? do_raw_spin_lock+0xdf/0x19f
[ 3.720661] [<ffffffff8132ca76>] __pm_runtime_suspend+0x56/0x80
[ 3.720668] [<ffffffff813a5363>] ? usb_runtime_resume+0x17/0x17
[ 3.720674] [<ffffffff813a5388>] usb_runtime_idle+0x25/0x2d
[ 3.720681] [<ffffffff8132b579>] __rpm_callback+0x34/0x5b
[ 3.720687] [<ffffffff8132c0ae>] rpm_idle+0x17d/0x22e
[ 3.720695] [<ffffffff8132cb68>] pm_runtime_work+0x59/0x8f
[ 3.720702] [<ffffffff8105704e>] process_one_work+0x29c/0x4be
[ 3.720710] [<ffffffff81057a68>] worker_thread+0x40d/0x561
[ 3.720717] [<ffffffff8105765b>] ? cancel_delayed_work+0xb7/0xb7
[ 3.720724] [<ffffffff8105d71d>] kthread+0xd6/0xde
[ 3.720732] [<ffffffff8105d647>] ? __kthread_parkme+0x62/0x62
[ 3.720738] [<ffffffff8168896c>] ret_from_fork+0x7c/0xb0
[ 3.720745] [<ffffffff8105d647>] ? __kthread_parkme+0x62/0x62
[ 3.782223] usb 2-1.7: new high-speed USB device number 3 using ehci-pci
[ 3.856396] systemd-udevd[238]: starting version 212
[ 3.867694] usb 2-1.7: New USB device found, idVendor=413c, idProduct=2513
[ 3.867713] usb 2-1.7: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.870885] hub 2-1.7:1.0: USB hub found
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