swapper tainted

This happens in hibernation.
6143 Sep 16 00:34:30 antec kernel: [28317.484624] ACPI: Waking up from system sleep state S4
6144 Sep 16 00:34:30 antec kernel: [28317.536857] PM: noirq restore of devices complete after 51.993 msecs
6145 Sep 16 00:34:30 antec kernel: [28317.536892] irq event 55: bogus return value ffffff94
6146 Sep 16 00:34:30 antec kernel: [28317.536897] Pid: 0, comm: swapper/0 Tainted: P O 3.4.49-amd64-20130619232207 #3
6147 Sep 16 00:34:30 antec kernel: [28317.536901] Call Trace:
6148 Sep 16 00:34:30 antec kernel: [28317.536903] <IRQ> [<ffffffff8109599f>] ? __report_bad_irq+0x21/0xc1
6149 Sep 16 00:34:30 antec kernel: [28317.536915] [<ffffffff810940eb>] ? handle_irq_event_percpu+0x162/0x1ac
6150 Sep 16 00:34:30 antec kernel: [28317.536920] [<ffffffff8109416a>] ? handle_irq_event+0x35/0x53
6151 Sep 16 00:34:30 antec kernel: [28317.536925] [<ffffffff810964b2>] ? handle_edge_irq+0xa2/0xcc
6152 Sep 16 00:34:30 antec kernel: [28317.536932] [<ffffffff8100f8b0>] ? handle_irq+0x18/0x20
6153 Sep 16 00:34:30 antec kernel: [28317.536937] [<ffffffff8100f609>] ? do_IRQ+0x41/0x97
6154 Sep 16 00:34:30 antec kernel: [28317.536944] [<ffffffff8135c3ea>] ? common_interrupt+0x6a/0x6a
6155 Sep 16 00:34:30 antec kernel: [28317.536946] <EOI> [<ffffffff811f47e2>] ? intel_idle+0xd9/0x107
6156 Sep 16 00:34:30 antec kernel: [28317.536956] [<ffffffff811f47c0>] ? intel_idle+0xb7/0x107
6157 Sep 16 00:34:30 antec kernel: [28317.536962] [<ffffffff8127b509>] ? cpuidle_idle_call+0xce/0x1b9
6158 Sep 16 00:34:30 antec kernel: [28317.536968] [<ffffffff81014eb4>] ? cpu_idle+0x9c/0xe6
6159 Sep 16 00:34:30 antec kernel: [28317.536973] [<ffffffff816a1b67>] ? start_kernel+0x3d5/0x3e0
6160 Sep 16 00:34:30 antec kernel: [28317.536978] [<ffffffff816a15a8>] ? repair_env_string+0x57/0x57
6161 Sep 16 00:34:30 antec kernel: [28317.536985] [<ffffffff816a13c3>] ? x86_64_start_kernel+0x101/0x10c
6162 Sep 16 00:34:30 antec kernel: [28317.536987] handlers:
6163 Sep 16 00:34:30 antec kernel: [28317.537010] [<ffffffffa01c274b>] xhci_msi_irq
6164 Sep 16 00:34:30 antec kernel: [28317.537012] PM: early restore of devices complete after 0.085 msecs
6165 Sep 16 00:34:30 antec kernel: [28317.770178] ehci_hcd 0000:00:1a.0: setting latency timer to 64
6166 Sep 16 00:34:30 antec kernel: [28317.770216] usb usb5: root hub lost power or was reset

uname -a
Linux antec 3.4.49-amd64-20130619232207 #3 SMP Wed Jun 19 23:24:04 EDT 2013 x86_64 GNU/Linux

What might be the problem? I run debian wheezy but use my own compiled kernel.. Thanks. Jim.