usb_storage - BUG: soft lockup detected on CPU#0!

Hi,

I am having soft lookups when a plug a usb stick or an usb external
disc (ide-usb adapter) on an FC6 x86_64 (fully updated), Intel D975XBX2 (Bad Axe) Mobo.

During more or less 30 sec everything freezes, including the mouse,
but after this time interval everything goes back to normal again, and I can use the
disc or stick without any problem.

I can't say when this start to happen. The computer is only a few month old.

Any suggestion?

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BUG: soft lockup detected on CPU#0!

Call Trace:
 <IRQ>  [<ffffffff802b0d07>] softlockup_tick+0xdb/0xf6
 [<ffffffff8814b970>] :e1000:e1000_watchdog+0x0/0x5db
 [<ffffffff8028f712>] update_process_times+0x42/0x68
 [<ffffffff80272026>] smp_local_timer_interrupt+0x34/0x55
 [<ffffffff80272702>] smp_apic_timer_interrupt+0x51/0x69
 [<ffffffff8025ace6>] apic_timer_interrupt+0x66/0x70
 [<ffffffff80260ac3>] _spin_unlock_irqrestore+0xb/0xd
 [<ffffffff88147c79>] :e1000:e1000_update_stats+0x62e/0x635
 [<ffffffff8814be2e>] :e1000:e1000_watchdog+0x4be/0x5db
 [<ffffffff8814b970>] :e1000:e1000_watchdog+0x0/0x5db
 [<ffffffff8028f141>] run_timer_softirq+0x138/0x1ac
 [<ffffffff80211ffb>] __do_softirq+0x55/0xc3
 [<ffffffff8025b23c>] call_softirq+0x1c/0x28
 [<ffffffff8026850a>] do_softirq+0x2c/0x85
 [<ffffffff80272707>] smp_apic_timer_interrupt+0x56/0x69
 [<ffffffff8025ace6>] apic_timer_interrupt+0x66/0x70
 <EOI>  [<ffffffff80289d89>] vprintk+0x2af/0x2ef
 [<ffffffff80289e1b>] printk+0x52/0xbd
 [<ffffffff8025f981>] __wait_on_bit+0x60/0x6e
 [<ffffffff80289e1b>] printk+0x52/0xbd
 [<ffffffff880268e2>] :jbd:journal_update_superblock+0xc3/0xce
 [<ffffffff88025062>] :jbd:cleanup_journal_tail+0xb2/0x118
 [<ffffffff8022d959>] __wake_up+0x38/0x4f
 [<ffffffff8804240b>] :ext3:ext3_fill_super+0x13bb/0x14c5
 [<ffffffff802d8bb8>] get_filesystem+0x12/0x35
 [<ffffffff802d0e63>] test_bdev_super+0x0/0xd
 [<ffffffff88041050>] :ext3:ext3_fill_super+0x0/0x14c5
 [<ffffffff802d1e96>] get_sb_bdev+0x11d/0x177
 [<ffffffff802d1992>] vfs_kern_mount+0x93/0x11a
 [<ffffffff802d1a5b>] do_kern_mount+0x36/0x4d
 [<ffffffff802da831>] do_mount+0x67b/0x6ef
 [<ffffffff80209237>] __handle_mm_fault+0xc50/0xc78
 [<ffffffff8020e7fd>] link_path_walk+0xc5/0xd7
 [<ffffffff80260adb>] _spin_lock_irqsave+0x9/0xe
 [<ffffffff80222014>] __up_read+0x19/0x7f
 [<ffffffff80262af4>] do_page_fault+0x48b/0x7ca
 [<ffffffff802134a9>] filemap_nopage+0x180/0x338
 [<ffffffff802baa13>] __rmqueue+0x4c/0xe4
 [<ffffffff802be1a8>] zone_statistics+0x3f/0x60
 [<ffffffff8020f282>] __alloc_pages+0x72/0x2d4
 [<ffffffff802491df>] sys_mount+0x8a/0xcd
 [<ffffffff8025a11e>] system_call+0x7e/0x83

usb 5-4: USB disconnect, address 4
Losing some ticks... checking if CPU frequency changed.

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lsmod ....................

pcspkr                 11969  0
snd_timer              30088  3 snd_seq,snd_pcm
snd                    67624  23 snd_bt87x,snd_virmidi,snd_seq_virmidi,snd_rawmidi,snd_hda_intel,snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore              17505  3 snd
snd_page_alloc         16912  3 snd_bt87x,snd_hda_intel,snd_pcm
ata_piix               25925  4
libata                120545  2 pata_marvell,ata_piix
sd_mod                 30273  5
scsi_mod              165401  4 usb_storage,sg,libata,sd_mod
ext3                  142033  3
jbd                    74033  1 ext3
ehci_hcd               41805  0
ohci_hcd               29893  0
uhci_hcd               34273  0