падает иксовая сессия

[ 1263.349273] irq 18: nobody cared (try booting with the "irqpoll" option)
[ 1263.349277] Pid: 0, comm: swapper/0 Not tainted 3.4.4-gentoo #6
[ 1263.349279] Call Trace:
[ 1263.349281]  <IRQ>  [<ffffffff81088923>] __report_bad_irq+0x2c/0xbd
[ 1263.349289]  [<ffffffff81088bad>] note_interrupt+0x165/0x1e4
[ 1263.349292]  [<ffffffff81086f5e>] handle_irq_event_percpu+0x176/0x18e
[ 1263.349295]  [<ffffffff81086fa9>] handle_irq_event+0x33/0x52
[ 1263.349298]  [<ffffffff81053f82>] ? sched_clock_idle_wakeup_event+0x12/0x14
[ 1263.349301]  [<ffffffff8108941f>] handle_fasteoi_irq+0x72/0xa4
[ 1263.349304]  [<ffffffff81003b0d>] handle_irq+0x125/0x12e
[ 1263.349308]  [<ffffffff8156ebfb>] ? atomic_notifier_call_chain+0x13/0x15
[ 1263.349310]  [<ffffffff81003742>] do_IRQ+0x48/0xa0
[ 1263.349313]  [<ffffffff8156bee7>] common_interrupt+0x67/0x67
[ 1263.349315]  <EOI>  [<ffffffff81279e76>] ? acpi_hw_read_multiple+0x2a/0x63
[ 1263.349321]  [<ffffffff8128beec>] ? acpi_safe_halt+0x22/0x35
[ 1263.349323]  [<ffffffff8128bee6>] ? acpi_safe_halt+0x1c/0x35
[ 1263.349325]  [<ffffffff8128bf1a>] acpi_idle_do_entry+0x1b/0x2b
[ 1263.349327]  [<ffffffff8128c350>] acpi_idle_enter_c1+0x59/0xb2
[ 1263.349331]  [<ffffffff813bb9db>] ? menu_select+0x1a4/0x2e7
[ 1263.349334]  [<ffffffff813ba462>] cpuidle_enter+0x12/0x14
[ 1263.349336]  [<ffffffff813ba949>] cpuidle_idle_call+0xeb/0x18d
[ 1263.349340]  [<ffffffff81009302>] cpu_idle+0x54/0x9b
[ 1263.349343]  [<ffffffff8154f569>] rest_init+0x6d/0x6f
[ 1263.349346]  [<ffffffff81abbaad>] start_kernel+0x32b/0x338
[ 1263.349348]  [<ffffffff81abb58b>] ? repair_env_string+0x56/0x56
[ 1263.349351]  [<ffffffff81abb29e>] x86_64_start_reservations+0xae/0xb2
[ 1263.349353]  [<ffffffff81abb392>] x86_64_start_kernel+0xf0/0xf7
[ 1263.349354] handlers:
[ 1263.349358] [<ffffffffa000194b>] rhine_interrupt
[ 1263.349360] Disabling IRQ #18

Aug  4 22:25:09 localhost kernel: [ 3140.573208] usb 2-1.3: unlink qh8-0601/ffff880221453480 start 2 [1/2 us]
Aug  4 22:25:09 localhost kdm[2508]: X server for display :0 terminated unexpectedly
Aug  4 22:25:09 localhost kdm: :0[2537]: pam_unix(kde:session): session closed for user razor
Aug  4 22:25:09 localhost polkitd[2617]: Unregistered Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session1 (system bus name :1.20, object path /org/kde/PolicyKit1/AuthenticationAgent, locale ru_RU.utf8) (disconnected from bus)
Aug  4 22:25:09 localhost kernel: [ 3141.165665] ehci_hcd 0000:00:1d.0: reused qh ffff880221453480 schedule
Aug  4 22:25:09 localhost kernel: [ 3141.165671] usb 2-1.3: link qh8-0601/ffff880221453480 start 2 [1/2 us]

# uname -a
Linux localhost 3.4.4-gentoo #6 SMP Fri Jul 6 00:36:48 YEKT 2012 x86_64 Intel(R) Celeron(R) CPU G540 @ 2.50GHz GenuineIntel GNU/Linux