On Fri, Jan 31, 2014 at 5:49 AM, Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> wrote: > On Fri, Jan 31, 2014 at 02:49:21PM +0100, Rafael J. Wysocki wrote: >> > Jan 31 20:05:57 buildroot kern.debug kernel: [ 439.672933] pci_bus 0000:03: busn_res: [bus 03-3a] is released >> >> OK, so my guess wasn't right. We seem to call pci_release_dev for all of the >> devices that go away after unplug. >> >> Do I think correctly that the below doesn't happen with the Yinghai's commit >> reverted? > > Yes, with that commit reverted everything works fine. can you make it clear ? after my commit is reverted, the warning does not happen any more? 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 -- 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
