<div id="mb_0">Hi,<br><br>I am having soft lookups when a plug a usb stick or an usb external<br>disc (ide-usb adapter) on an FC6 x86_64 (fully updated), Intel D975XBX2 (Bad Axe) Mobo.<br><br>During more or less 30 sec everything freezes, including the mouse,
<br>but after this time interval everything goes back to normal again, and I can use the<br>disc or stick without any problem.<br><br>I can&#39;t say when this start to happen. The computer is only a few month old.<br>
<br>Any suggestion?<br><br>----------------------------------------------------------------------------------------------------------------------------------------------<br><br>BUG: soft lockup detected on CPU#0!<br><br>
Call Trace:
<br>&nbsp;&lt;IRQ&gt;&nbsp; [&lt;ffffffff802b0d07&gt;] softlockup_tick+0xdb/0xf6<br>&nbsp;[&lt;ffffffff8814b970&gt;] :e1000:e1000_watchdog+0x0/0x5db<br>&nbsp;[&lt;ffffffff8028f712&gt;] update_process_times+0x42/0x68<br>&nbsp;[&lt;ffffffff80272026&gt;] smp_local_timer_interrupt+0x34/0x55
<br>&nbsp;[&lt;ffffffff80272702&gt;] smp_apic_timer_interrupt+0x51/0x69<br>&nbsp;[&lt;ffffffff8025ace6&gt;] apic_timer_interrupt+0x66/0x70<br>&nbsp;[&lt;ffffffff80260ac3&gt;] _spin_unlock_irqrestore+0xb/0xd<br>&nbsp;[&lt;ffffffff88147c79&gt;] :e1000:e1000_update_stats+0x62e/0x635
<br>&nbsp;[&lt;ffffffff8814be2e&gt;] :e1000:e1000_watchdog+0x4be/0x5db<br>&nbsp;[&lt;ffffffff8814b970&gt;] :e1000:e1000_watchdog+0x0/0x5db<br>&nbsp;[&lt;ffffffff8028f141&gt;] run_timer_softirq+0x138/0x1ac<br>&nbsp;[&lt;ffffffff80211ffb&gt;] __do_softirq+0x55/0xc3
<br>&nbsp;[&lt;ffffffff8025b23c&gt;] call_softirq+0x1c/0x28<br>&nbsp;[&lt;ffffffff8026850a&gt;] do_softirq+0x2c/0x85<br>&nbsp;[&lt;ffffffff80272707&gt;] smp_apic_timer_interrupt+0x56/0x69<br>&nbsp;[&lt;ffffffff8025ace6&gt;] apic_timer_interrupt+0x66/0x70
<br>&nbsp;&lt;EOI&gt;&nbsp; [&lt;ffffffff80289d89&gt;] vprintk+0x2af/0x2ef<br>&nbsp;[&lt;ffffffff80289e1b&gt;] printk+0x52/0xbd<br>&nbsp;[&lt;ffffffff8025f981&gt;] __wait_on_bit+0x60/0x6e<br>&nbsp;[&lt;ffffffff80289e1b&gt;] printk+0x52/0xbd<br>&nbsp;[&lt;ffffffff880268e2&gt;] :jbd:journal_update_superblock+0xc3/0xce
<br>&nbsp;[&lt;ffffffff88025062&gt;] :jbd:cleanup_journal_tail+0xb2/0x118<br>&nbsp;[&lt;ffffffff8022d959&gt;] __wake_up+0x38/0x4f<br>&nbsp;[&lt;ffffffff8804240b&gt;] :ext3:ext3_fill_super+0x13bb/0x14c5<br>&nbsp;[&lt;ffffffff802d8bb8&gt;] get_filesystem+0x12/0x35
<br>&nbsp;[&lt;ffffffff802d0e63&gt;] test_bdev_super+0x0/0xd<br>&nbsp;[&lt;ffffffff88041050&gt;] :ext3:ext3_fill_super+0x0/0x14c5<br>&nbsp;[&lt;ffffffff802d1e96&gt;] get_sb_bdev+0x11d/0x177<br>&nbsp;[&lt;ffffffff802d1992&gt;] vfs_kern_mount+0x93/0x11a
<br>&nbsp;[&lt;ffffffff802d1a5b&gt;] do_kern_mount+0x36/0x4d<br>&nbsp;[&lt;ffffffff802da831&gt;] do_mount+0x67b/0x6ef<br>&nbsp;[&lt;ffffffff80209237&gt;] __handle_mm_fault+0xc50/0xc78<br>&nbsp;[&lt;ffffffff8020e7fd&gt;] link_path_walk+0xc5/0xd7
<br>&nbsp;[&lt;ffffffff80260adb&gt;] _spin_lock_irqsave+0x9/0xe<br>&nbsp;[&lt;ffffffff80222014&gt;] __up_read+0x19/0x7f<br>&nbsp;[&lt;ffffffff80262af4&gt;] do_page_fault+0x48b/0x7ca<br>&nbsp;[&lt;ffffffff802134a9&gt;] filemap_nopage+0x180/0x338
<br>&nbsp;[&lt;ffffffff802baa13&gt;] __rmqueue+0x4c/0xe4<br>&nbsp;[&lt;ffffffff802be1a8&gt;] zone_statistics+0x3f/0x60<br>&nbsp;[&lt;ffffffff8020f282&gt;] __alloc_pages+0x72/0x2d4<br>&nbsp;[&lt;ffffffff802491df&gt;] sys_mount+0x8a/0xcd<br>&nbsp;[&lt;ffffffff8025a11e&gt;] system_call+0x7e/0x83
<br><br>usb 5-4: USB disconnect, address 4<br>Losing some ticks... checking if CPU frequency changed.<br><br>-------------------------------------------------------------------------------------------------------<br><br>
lsmod ....................
<br><br>pcspkr&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11969&nbsp; 0 <br>snd_timer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 30088&nbsp; 3 snd_seq,snd_pcm<br>snd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 67624&nbsp; 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
<br>soundcore&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 17505&nbsp; 3 snd<br>snd_page_alloc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16912&nbsp; 3 snd_bt87x,snd_hda_intel,snd_pcm<br>ata_piix&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 25925&nbsp; 4 <br>libata&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 120545&nbsp; 2 pata_marvell,ata_piix<br>sd_mod&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 30273&nbsp; 5 
<br>scsi_mod&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 165401&nbsp; 4 usb_storage,sg,libata,sd_mod<br>ext3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 142033&nbsp; 3 <br>jbd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 74033&nbsp; 1 ext3<br>ehci_hcd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 41805&nbsp; 0 <br>ohci_hcd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 29893&nbsp; 0 <br>uhci_hcd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 34273&nbsp; 0
<span class="sg"><br></span></div><br>-- <br>Paulo Roma Cavalcanti<br>LCG - UFRJ