From: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
To: Bjorn Helgaas <bhelgaas@google.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: next-20160517 - lockdep splat in pcie code
Date: Tue, 17 May 2016 14:36:02 -0400 [thread overview]
Message-ID: <4249.1463510162@turing-police.cc.vt.edu> (raw)
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Seen during boot on next-20160517. This apparently sneaked into the tree
sometime after -0502 (probably after -0512 but I can't prove it at the moment)
[ 1.806765] INFO: trying to register non-static key.
[ 1.806772] the code is fine but needs lockdep annotation.
[ 1.806777] turning off the locking correctness validator.
[ 1.806786] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.6.0-next-20160517-00001-gede618fce89c-dirty #276
[ 1.806794] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A17 08/19/2015
[ 1.806802] 0000000000000086 000000009200d6c8 ffff88022ca23a90 ffffffffa83f99f3
[ 1.806815] 0000000000000000 ffff880223727d40 ffff88022ca23b00 ffffffffa80c1de1
[ 1.806826] 0000000000000246 0000000000000000 ffffffffffffffff ffff88022ca23ad8
[ 1.806834] Call Trace:
[ 1.806845] [<ffffffffa83f99f3>] dump_stack+0x68/0x95
[ 1.806855] [<ffffffffa80c1de1>] register_lock_class+0x541/0x550
[ 1.806861] [<ffffffffa8404b6c>] ? widen_string+0x3c/0xf0
[ 1.806870] [<ffffffffa80c4108>] __lock_acquire+0x88/0x1260
[ 1.806876] [<ffffffffa840751a>] ? vsnprintf+0x36a/0x520
[ 1.806886] [<ffffffffa81bdfc1>] ? kfree_const+0x21/0x30
[ 1.806893] [<ffffffffa80c56d1>] lock_acquire+0xb1/0x200
[ 1.806904] [<ffffffffa852874e>] ? pm_runtime_no_callbacks+0x1e/0x40
[ 1.806915] [<ffffffffa8a07831>] _raw_spin_lock_irq+0x41/0x50
[ 1.806923] [<ffffffffa852874e>] ? pm_runtime_no_callbacks+0x1e/0x40
[ 1.806932] [<ffffffffa852874e>] pm_runtime_no_callbacks+0x1e/0x40
[ 1.806942] [<ffffffffa844fe36>] pcie_port_device_register+0x226/0x560
[ 1.806950] [<ffffffffa8450542>] pcie_portdrv_probe+0x32/0xa0
[ 1.806959] [<ffffffffa84423e0>] pci_device_probe+0x90/0x100
[ 1.806969] [<ffffffffa851e390>] driver_probe_device+0x1c0/0x310
[ 1.806977] [<ffffffffa851e57f>] __driver_attach+0x9f/0xb0
[ 1.806983] [<ffffffffa851e4e0>] ? driver_probe_device+0x310/0x310
[ 1.806992] [<ffffffffa851bf53>] bus_for_each_dev+0x73/0xc0
[ 1.807000] [<ffffffffa851dafe>] driver_attach+0x1e/0x20
[ 1.807008] [<ffffffffa851d614>] bus_add_driver+0x124/0x220
[ 1.807020] [<ffffffffa91d88a9>] ? set_debug_rodata+0x12/0x12
[ 1.807029] [<ffffffffa851eaed>] driver_register+0x7d/0x100
[ 1.807039] [<ffffffffa92105f2>] ? pcie_port_setup+0x7c/0x7c
[ 1.807045] [<ffffffffa84417dd>] __pci_register_driver+0x5d/0x60
[ 1.807054] [<ffffffffa9210655>] pcie_portdrv_init+0x63/0x73
[ 1.807064] [<ffffffffa8000410>] do_one_initcall+0x50/0x1b0
[ 1.807072] [<ffffffffa91d88a9>] ? set_debug_rodata+0x12/0x12
[ 1.807080] [<ffffffffa91d921d>] kernel_init_freeable+0x1b3/0x240
[ 1.807089] [<ffffffffa89fe1ae>] kernel_init+0xe/0x100
[ 1.807095] [<ffffffffa8a0867f>] ret_from_fork+0x1f/0x40
[ 1.807102] [<ffffffffa89fe1a0>] ? rest_init+0x140/0x140
[ 1.819159] efifb: probing for efifb
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next reply other threads:[~2016-05-17 18:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 18:36 Valdis Kletnieks [this message]
2016-05-17 19:37 ` Bjorn Helgaas
2016-05-17 22:12 ` Lukas Wunner
2016-05-18 8:54 ` Mika Westerberg
2016-05-19 21:19 ` Valdis.Kletnieks
2016-05-23 8:11 ` [PATCH] PCI: pcie: Call pm_runtime_no_callbacks() after device is registered Mika Westerberg
2016-05-23 19:55 ` Bjorn Helgaas
2016-05-24 7:58 ` Mika Westerberg
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