<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'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> <IRQ> [<ffffffff802b0d07>] softlockup_tick+0xdb/0xf6<br> [<ffffffff8814b970>] :e1000:e1000_watchdog+0x0/0x5db<br> [<ffffffff8028f712>] update_process_times+0x42/0x68<br> [<ffffffff80272026>] smp_local_timer_interrupt+0x34/0x55
<br> [<ffffffff80272702>] smp_apic_timer_interrupt+0x51/0x69<br> [<ffffffff8025ace6>] apic_timer_interrupt+0x66/0x70<br> [<ffffffff80260ac3>] _spin_unlock_irqrestore+0xb/0xd<br> [<ffffffff88147c79>] :e1000:e1000_update_stats+0x62e/0x635
<br> [<ffffffff8814be2e>] :e1000:e1000_watchdog+0x4be/0x5db<br> [<ffffffff8814b970>] :e1000:e1000_watchdog+0x0/0x5db<br> [<ffffffff8028f141>] run_timer_softirq+0x138/0x1ac<br> [<ffffffff80211ffb>] __do_softirq+0x55/0xc3
<br> [<ffffffff8025b23c>] call_softirq+0x1c/0x28<br> [<ffffffff8026850a>] do_softirq+0x2c/0x85<br> [<ffffffff80272707>] smp_apic_timer_interrupt+0x56/0x69<br> [<ffffffff8025ace6>] apic_timer_interrupt+0x66/0x70
<br> <EOI> [<ffffffff80289d89>] vprintk+0x2af/0x2ef<br> [<ffffffff80289e1b>] printk+0x52/0xbd<br> [<ffffffff8025f981>] __wait_on_bit+0x60/0x6e<br> [<ffffffff80289e1b>] printk+0x52/0xbd<br> [<ffffffff880268e2>] :jbd:journal_update_superblock+0xc3/0xce
<br> [<ffffffff88025062>] :jbd:cleanup_journal_tail+0xb2/0x118<br> [<ffffffff8022d959>] __wake_up+0x38/0x4f<br> [<ffffffff8804240b>] :ext3:ext3_fill_super+0x13bb/0x14c5<br> [<ffffffff802d8bb8>] get_filesystem+0x12/0x35
<br> [<ffffffff802d0e63>] test_bdev_super+0x0/0xd<br> [<ffffffff88041050>] :ext3:ext3_fill_super+0x0/0x14c5<br> [<ffffffff802d1e96>] get_sb_bdev+0x11d/0x177<br> [<ffffffff802d1992>] vfs_kern_mount+0x93/0x11a
<br> [<ffffffff802d1a5b>] do_kern_mount+0x36/0x4d<br> [<ffffffff802da831>] do_mount+0x67b/0x6ef<br> [<ffffffff80209237>] __handle_mm_fault+0xc50/0xc78<br> [<ffffffff8020e7fd>] link_path_walk+0xc5/0xd7
<br> [<ffffffff80260adb>] _spin_lock_irqsave+0x9/0xe<br> [<ffffffff80222014>] __up_read+0x19/0x7f<br> [<ffffffff80262af4>] do_page_fault+0x48b/0x7ca<br> [<ffffffff802134a9>] filemap_nopage+0x180/0x338
<br> [<ffffffff802baa13>] __rmqueue+0x4c/0xe4<br> [<ffffffff802be1a8>] zone_statistics+0x3f/0x60<br> [<ffffffff8020f282>] __alloc_pages+0x72/0x2d4<br> [<ffffffff802491df>] sys_mount+0x8a/0xcd<br> [<ffffffff8025a11e>] 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 11969 0 <br>snd_timer 30088 3 snd_seq,snd_pcm<br>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
<br>soundcore 17505 3 snd<br>snd_page_alloc 16912 3 snd_bt87x,snd_hda_intel,snd_pcm<br>ata_piix 25925 4 <br>libata 120545 2 pata_marvell,ata_piix<br>sd_mod 30273 5
<br>scsi_mod 165401 4 usb_storage,sg,libata,sd_mod<br>ext3 142033 3 <br>jbd 74033 1 ext3<br>ehci_hcd 41805 0 <br>ohci_hcd 29893 0 <br>uhci_hcd 34273 0
<span class="sg"><br></span></div><br>-- <br>Paulo Roma Cavalcanti<br>LCG - UFRJ