On Fri, Jan 31, 2014 at 12:52:43PM +0100, Rafael J. Wysocki wrote: > So I think what happens is that we leak the struct pci_dev during removal and > the proper cleanup is never done. > > Can you please add a debug printk into pci_release_dev() and see if that's > ever called after TBT unplug? OK, I added the debug print (still on top of your two patches) and was able to capture a bit more from /var/log/messages before it crashes. Here's the log. I added dev_info(dev, "RELEASE\n") to pci_release_dev(). Unplug: Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.557920] pcieport 0000:06:03.0: PME# disabled Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.559483] pcieport 0000:05:00.0: PME# disabled Jan 31 20:05:57 buildroot kern.info kernel: [ 439.561074] pci 0000:07:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.562536] pci_bus 0000:07: busn_res: [bus 07] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.563993] pci 0000:06:03.0: RELEASE Jan 31 20:05:57 buildroot kern.info kernel: [ 439.570345] pci 0000:0a:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.571734] pci_bus 0000:0a: busn_res: [bus 0a] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.573154] pci 0000:09:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.574528] pci_bus 0000:09: busn_res: [bus 09-2e] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.575939] pci 0000:08:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.577316] pci_bus 0000:08: busn_res: [bus 08-2e] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.578721] pci 0000:06:04.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.580081] pci_bus 0000:2f: busn_res: [bus 2f] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.581487] pci 0000:06:05.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.582873] pci_bus 0000:06: busn_res: [bus 06-2f] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.584322] pci 0000:05:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.585727] pcieport 0000:03:00.0: PME# disabled Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.587225] pci_bus 0000:04: busn_res: [bus 04] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.588723] pci 0000:03:00.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.660389] pci_bus 0000:05: busn_res: [bus 05-2f] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.661993] pci 0000:03:03.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.663527] pci_bus 0000:30: busn_res: [bus 30-38] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.665103] pci 0000:03:04.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.666641] pci_bus 0000:39: busn_res: [bus 39] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.668210] pci 0000:03:05.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.669764] pci_bus 0000:3a: busn_res: [bus 3a] is released Jan 31 20:05:57 buildroot kern.info kernel: [ 439.671350] pci 0000:03:06.0: RELEASE Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.672933] pci_bus 0000:03: busn_res: [bus 03-3a] is released Plug: Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.609684] acpiphp_glue: hotplug_event: Bus check notify on \_SB_.PCI0.RP05 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.611339] acpiphp_glue: hotplug_event: re-enumerating slots under \_SB_.PCI0.RP05 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.614625] pci 0000:02:00.0: scanning [bus 03-3a] behind bridge, pass 0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.616434] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.618102] WARNING: CPU: 1 PID: 956 at lib/kobject.c:244 kobject_add_internal+0x12d/0x400() Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.619797] kobject_add_internal failed for pci_bus (error: -2 parent: 0000:02:00.0) Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.621491] Modules linked in: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.623191] CPU: 1 PID: 956 Comm: kworker/u8:5 Not tainted 3.13.0+ #156 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.624912] Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.626649] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.628395] 0000000000000009 ffff88006de4d9f8 ffffffff818129e3 ffff88006de4da40 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.630164] ffff88006de4da30 ffffffff81047228 ffff88006dfd1000 00000000fffffffe Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.631933] ffff88006de140a8 ffff88006d582918 ffff88006d582918 ffff88006de4da90 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.633691] Call Trace: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.635428] [<ffffffff818129e3>] dump_stack+0x45/0x56 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.637138] [<ffffffff81047228>] warn_slowpath_common+0x78/0xa0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.638879] [<ffffffff81047297>] warn_slowpath_fmt+0x47/0x50 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.640579] [<ffffffff812d81ad>] kobject_add_internal+0x12d/0x400 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.642297] [<ffffffff812d88b5>] kobject_add+0x65/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.643986] [<ffffffff81141852>] ? kmem_cache_alloc_trace+0xe2/0x130 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.645694] [<ffffffff81455584>] get_device_parent+0x174/0x1e0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.647377] [<ffffffff81455a33>] device_add+0xe3/0x610 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.649062] [<ffffffff81460ac4>] ? device_pm_sleep_init+0x44/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.650729] [<ffffffff81455f75>] device_register+0x15/0x20 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.652409] [<ffffffff8180c1a7>] pci_add_new_bus+0x167/0x3e0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.654064] [<ffffffff81303057>] ? pci_find_next_bus+0x47/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.655724] [<ffffffff812fc692>] pci_scan_bridge+0x5c2/0x630 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.657372] [<ffffffff812fb9dd>] ? pci_scan_slot+0x10d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.659057] [<ffffffff8180d116>] enable_slot+0xb6/0x320 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.660703] [<ffffffff812fa273>] ? pci_bus_read_dev_vendor_id+0x23/0xe0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.662387] [<ffffffff81315814>] ? trim_stale_devices+0xc4/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.664049] [<ffffffff81315cf8>] acpiphp_check_bridge.part.9+0xe8/0x100 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.665746] [<ffffffff81316685>] hotplug_event+0x105/0x260 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.667417] [<ffffffff8131680a>] hotplug_event_work+0x2a/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.669118] [<ffffffff8132fc09>] acpi_hotplug_work_fn+0x17/0x22 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.670816] [<ffffffff8106128a>] process_one_work+0x17a/0x440 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.672537] [<ffffffff81061e89>] worker_thread+0x119/0x390 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.674239] [<ffffffff81061d70>] ? manage_workers.isra.25+0x2a0/0x2a0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.675976] [<ffffffff81067dfd>] kthread+0xcd/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.677689] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.679446] [<ffffffff81823a3c>] ret_from_fork+0x7c/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.681174] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.682942] ---[ end trace 84e80bde4d2086ef ]--- Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.684679] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.686450] WARNING: CPU: 1 PID: 956 at drivers/pci/probe.c:711 pci_add_new_bus+0x3db/0x3e0() Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.688245] Modules linked in: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.690032] CPU: 1 PID: 956 Comm: kworker/u8:5 Tainted: G W 3.13.0+ #156 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.691883] Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.693703] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.695531] 0000000000000009 ffff88006de4db88 ffffffff818129e3 0000000000000000 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.697377] ffff88006de4dbc0 ffffffff81047228 ffff88006d582800 ffff88006eac9000 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.699233] ffff88006de14000 ffff88006de14000 ffff88006d582918 ffff88006de4dbd0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.701114] Call Trace: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.702989] [<ffffffff818129e3>] dump_stack+0x45/0x56 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.704871] [<ffffffff81047228>] warn_slowpath_common+0x78/0xa0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.706767] [<ffffffff81047305>] warn_slowpath_null+0x15/0x20 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.708637] [<ffffffff8180c41b>] pci_add_new_bus+0x3db/0x3e0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.710518] [<ffffffff81303057>] ? pci_find_next_bus+0x47/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.712381] [<ffffffff812fc692>] pci_scan_bridge+0x5c2/0x630 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.714258] [<ffffffff812fb9dd>] ? pci_scan_slot+0x10d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.716109] [<ffffffff8180d116>] enable_slot+0xb6/0x320 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.717973] [<ffffffff812fa273>] ? pci_bus_read_dev_vendor_id+0x23/0xe0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.719824] [<ffffffff81315814>] ? trim_stale_devices+0xc4/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.721685] [<ffffffff81315cf8>] acpiphp_check_bridge.part.9+0xe8/0x100 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.723527] [<ffffffff81316685>] hotplug_event+0x105/0x260 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.725378] [<ffffffff8131680a>] hotplug_event_work+0x2a/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.727195] [<ffffffff8132fc09>] acpi_hotplug_work_fn+0x17/0x22 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.729016] [<ffffffff8106128a>] process_one_work+0x17a/0x440 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.730815] [<ffffffff81061e89>] worker_thread+0x119/0x390 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.732622] [<ffffffff81061d70>] ? manage_workers.isra.25+0x2a0/0x2a0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.734403] [<ffffffff81067dfd>] kthread+0xcd/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.736193] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.737962] [<ffffffff81823a3c>] ret_from_fork+0x7c/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.739730] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.741471] ---[ end trace 84e80bde4d2086f0 ]--- Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.743215] pci_bus 0000:03: scanning bus Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.744993] pci 0000:03:00.0: [8086:1548] type 01 class 0x060400 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.746859] pci 0000:03:00.0: calling pci_fixup_transparent_bridge+0x0/0x30 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.748767] pci 0000:03:00.0: supports D1 D2 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.750433] pci 0000:03:00.0: PME# supported from D0 D1 D2 D3hot D3cold Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.752141] pci 0000:03:00.0: PME# disabled Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.753848] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.755500] WARNING: CPU: 1 PID: 956 at lib/kobject.c:244 kobject_add_internal+0x12d/0x400() Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.757195] kobject_add_internal failed for 0000:03:00.0 (error: -2 parent: 0000:02:00.0) Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.758885] Modules linked in: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.760589] CPU: 1 PID: 956 Comm: kworker/u8:5 Tainted: G W 3.13.0+ #156 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.762328] Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.764082] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.765862] 0000000000000009 ffff88006de4d9c0 ffffffff818129e3 ffff88006de4da08 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.767661] ffff88006de4d9f8 ffffffff81047228 ffff88006de170a8 00000000fffffffe Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.769476] ffff88006de140a8 ffff88006de17098 ffff88006eac9000 ffff88006de4da58 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.771289] Call Trace: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.773091] [<ffffffff818129e3>] dump_stack+0x45/0x56 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.774886] [<ffffffff81047228>] warn_slowpath_common+0x78/0xa0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.776712] [<ffffffff81047297>] warn_slowpath_fmt+0x47/0x50 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.778510] [<ffffffff812d81ad>] kobject_add_internal+0x12d/0x400 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.780332] [<ffffffff8163ea05>] ? pci_conf1_read+0xb5/0x110 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.782134] [<ffffffff812d88b5>] kobject_add+0x65/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.783959] [<ffffffff814558fe>] ? device_private_init+0x1e/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.785760] [<ffffffff81455a61>] device_add+0x111/0x610 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.787573] [<ffffffff812fb89d>] pci_device_add+0x10d/0x140 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.789362] [<ffffffff8180c011>] pci_scan_single_device+0x91/0xc0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.791171] [<ffffffff812fb919>] pci_scan_slot+0x49/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.792958] [<ffffffff812fc73d>] pci_scan_child_bus+0x3d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.794759] [<ffffffff812fc53b>] pci_scan_bridge+0x46b/0x630 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.796535] [<ffffffff812fb9dd>] ? pci_scan_slot+0x10d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.798329] [<ffffffff8180d116>] enable_slot+0xb6/0x320 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.800097] [<ffffffff812fa273>] ? pci_bus_read_dev_vendor_id+0x23/0xe0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.801896] [<ffffffff81315814>] ? trim_stale_devices+0xc4/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.803671] [<ffffffff81315cf8>] acpiphp_check_bridge.part.9+0xe8/0x100 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.805471] [<ffffffff81316685>] hotplug_event+0x105/0x260 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.807246] [<ffffffff8131680a>] hotplug_event_work+0x2a/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.809033] [<ffffffff8132fc09>] acpi_hotplug_work_fn+0x17/0x22 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.810801] [<ffffffff8106128a>] process_one_work+0x17a/0x440 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.812573] [<ffffffff81061e89>] worker_thread+0x119/0x390 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.814307] [<ffffffff81061d70>] ? manage_workers.isra.25+0x2a0/0x2a0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.816053] [<ffffffff81067dfd>] kthread+0xcd/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.817755] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.819467] [<ffffffff81823a3c>] ret_from_fork+0x7c/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.821144] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.822829] ---[ end trace 84e80bde4d2086f1 ]--- Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.824500] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.826182] WARNING: CPU: 1 PID: 956 at drivers/pci/probe.c:1397 pci_device_add+0x13c/0x140() Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.827872] Modules linked in: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.829572] CPU: 1 PID: 956 Comm: kworker/u8:5 Tainted: G W 3.13.0+ #156 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.831314] Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.833072] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.834845] 0000000000000009 ffff88006de4db10 ffffffff818129e3 0000000000000000 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.836648] ffff88006de4db48 ffffffff81047228 ffff88006de17000 ffff88006d582828 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.838466] ffff88006de17098 0000000000000000 ffff88006eac9000 ffff88006de4db58 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.840280] Call Trace: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.842081] [<ffffffff818129e3>] dump_stack+0x45/0x56 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.843877] [<ffffffff81047228>] warn_slowpath_common+0x78/0xa0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.845694] [<ffffffff81047305>] warn_slowpath_null+0x15/0x20 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.847482] [<ffffffff812fb8cc>] pci_device_add+0x13c/0x140 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.849290] [<ffffffff8180c011>] pci_scan_single_device+0x91/0xc0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.851090] [<ffffffff812fb919>] pci_scan_slot+0x49/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.852897] [<ffffffff812fc73d>] pci_scan_child_bus+0x3d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.854674] [<ffffffff812fc53b>] pci_scan_bridge+0x46b/0x630 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.856470] [<ffffffff812fb9dd>] ? pci_scan_slot+0x10d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.858251] [<ffffffff8180d116>] enable_slot+0xb6/0x320 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.860044] [<ffffffff812fa273>] ? pci_bus_read_dev_vendor_id+0x23/0xe0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.861819] [<ffffffff81315814>] ? trim_stale_devices+0xc4/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.863612] [<ffffffff81315cf8>] acpiphp_check_bridge.part.9+0xe8/0x100 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.865389] [<ffffffff81316685>] hotplug_event+0x105/0x260 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.867187] [<ffffffff8131680a>] hotplug_event_work+0x2a/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.868956] [<ffffffff8132fc09>] acpi_hotplug_work_fn+0x17/0x22 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.870739] [<ffffffff8106128a>] process_one_work+0x17a/0x440 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.872493] [<ffffffff81061e89>] worker_thread+0x119/0x390 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.874268] [<ffffffff81061d70>] ? manage_workers.isra.25+0x2a0/0x2a0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.876024] [<ffffffff81067dfd>] kthread+0xcd/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.877794] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.879532] [<ffffffff81823a3c>] ret_from_fork+0x7c/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.881273] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.882984] ---[ end trace 84e80bde4d2086f2 ]--- Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.884782] pci 0000:03:03.0: [8086:1548] type 01 class 0x060400 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.886627] pci 0000:03:03.0: calling pci_fixup_transparent_bridge+0x0/0x30 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.888494] pci 0000:03:03.0: supports D1 D2 Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.890141] pci 0000:03:03.0: PME# supported from D0 D1 D2 D3hot D3cold Jan 31 20:06:11 buildroot kern.debug kernel: [ 453.891805] pci 0000:03:03.0: PME# disabled Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.893490] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.895118] WARNING: CPU: 3 PID: 956 at lib/kobject.c:244 kobject_add_internal+0x12d/0x400() Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.896778] kobject_add_internal failed for 0000:03:03.0 (error: -2 parent: 0000:02:00.0) Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.898453] Modules linked in: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.900135] CPU: 3 PID: 956 Comm: kworker/u8:5 Tainted: G W 3.13.0+ #156 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.901841] Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.903569] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.905310] 0000000000000009 ffff88006de4d9c0 ffffffff818129e3 ffff88006de4da08 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.907080] ffff88006de4d9f8 ffffffff81047228 ffff88006d6260a8 00000000fffffffe Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.908866] ffff88006de140a8 ffff88006d626098 ffff88006eac9000 ffff88006de4da58 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.910654] Call Trace: Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.912412] [<ffffffff818129e3>] dump_stack+0x45/0x56 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.914189] [<ffffffff81047228>] warn_slowpath_common+0x78/0xa0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.915980] [<ffffffff81047297>] warn_slowpath_fmt+0x47/0x50 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.917764] [<ffffffff812d81ad>] kobject_add_internal+0x12d/0x400 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.919557] [<ffffffff8164189e>] ? raw_pci_read+0x1e/0x40 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.921344] [<ffffffff812d88b5>] kobject_add+0x65/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.923127] [<ffffffff814558fe>] ? device_private_init+0x1e/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.924910] [<ffffffff81455a61>] device_add+0x111/0x610 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.926683] [<ffffffff812fb89d>] pci_device_add+0x10d/0x140 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.928453] [<ffffffff8180c011>] pci_scan_single_device+0x91/0xc0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.930234] [<ffffffff812fb919>] pci_scan_slot+0x49/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.932004] [<ffffffff812fc73d>] pci_scan_child_bus+0x3d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.933773] [<ffffffff812fc53b>] pci_scan_bridge+0x46b/0x630 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.935636] [<ffffffff812fb9dd>] ? pci_scan_slot+0x10d/0x150 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.937399] [<ffffffff8180d116>] enable_slot+0xb6/0x320 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.939148] [<ffffffff812fa273>] ? pci_bus_read_dev_vendor_id+0x23/0xe0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.940901] [<ffffffff81315814>] ? trim_stale_devices+0xc4/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.942659] [<ffffffff81315cf8>] acpiphp_check_bridge.part.9+0xe8/0x100 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.944419] [<ffffffff81316685>] hotplug_event+0x105/0x260 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.946166] [<ffffffff8131680a>] hotplug_event_work+0x2a/0x70 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.947917] [<ffffffff8132fc09>] acpi_hotplug_work_fn+0x17/0x22 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.949648] [<ffffffff8106128a>] process_one_work+0x17a/0x440 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.951366] [<ffffffff81061e89>] worker_thread+0x119/0x390 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.953070] [<ffffffff81061d70>] ? manage_workers.isra.25+0x2a0/0x2a0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.954764] [<ffffffff81067dfd>] kthread+0xcd/0xf0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.956425] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.958084] [<ffffffff81823a3c>] ret_from_fork+0x7c/0xb0 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.959727] [<ffffffff81067d30>] ? kthread_create_on_node+0x180/0x180 Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.961378] ---[ end trace 84e80bde4d2086f3 ]--- Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.963016] ------------[ cut here ]------------ Jan 31 20:06:11 buildroot kern.warn kernel: [ 453.964646] WARNING: CPU: 3 PID: 956 at drivers/pci/probe.c:1397 pci_device_add+0x13c/0x140() and then it crashes. The PCI tree looks like: 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.4 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 5 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation QS77 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04) 02:00.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 03:00.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 03:03.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 03:04.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 03:05.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 03:06.0 PCI bridge: Intel Corporation Device 1548 (rev 03) 05:00.0 PCI bridge: Intel Corporation Device 1513 06:03.0 PCI bridge: Intel Corporation Device 1513 06:04.0 PCI bridge: Intel Corporation Device 1513 06:05.0 PCI bridge: Intel Corporation Device 1513 07:00.0 SATA controller: Marvell Technology Group Ltd. Device 9182 (rev 11) 08:00.0 PCI bridge: Intel Corporation DSL3510 Thunderbolt Controller [Cactus Ridge] 09:00.0 PCI bridge: Intel Corporation DSL3510 Thunderbolt Controller [Cactus Ridge] 0a:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM57762 Gigabit Ethernet PCIe -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
