Debian Lenny: Disabling IRQ #18

Saludos gente,  he estado teniendo un problema desde que me pase de Debian
Etch a Lenny:

Al rato (quizas un par de horas) de estar usando la compu (una laptop
toshiba) me imprime esto en el broadcast de las consolas:

Message from syslogd@saturn at Sat Nov 24 20:37:56 2007 ...
saturn kernel: Disabling IRQ #18

Revisando el kern.log me encontré con esto:

Nov 24 20:37:56 saturn kernel: irq 18: nobody cared (try booting with the
"irqpoll" option)
Nov 24 20:37:56 saturn kernel:  [<c014d5ae>] __report_bad_irq+0x36/0x75
Nov 24 20:37:56 saturn kernel:  [<c014d7a8>] note_interrupt+0x1bb/0x1f7
Nov 24 20:37:56 saturn kernel:  [<f88fd174>] tifm_7xx1_isr+0x11/0xc1
[tifm_7xx1]
Nov 24 20:37:56 saturn kernel:  [<c014ccfd>] handle_IRQ_event+0x23/0x51
Nov 24 20:37:56 saturn kernel:  [<c014df15>] handle_fasteoi_irq+0x86/0xa6
Nov 24 20:37:56 saturn kernel:  [<c010637e>] do_IRQ+0x55/0x6f
Nov 24 20:37:56 saturn kernel:  [<c01355cd>] enqueue_hrtimer+0xde/0xe8
Nov 24 20:37:56 saturn kernel:  [<c0104773>] common_interrupt+0x23/0x28
Nov 24 20:37:56 saturn kernel:  [<f8838732>] acpi_processor_idle+0x0/0x416
[processor]
Nov 24 20:37:56 saturn kernel:  [<c012007b>] migration_thread+0x179/0x1db
Nov 24 20:37:56 saturn kernel:  [<f8838974>] acpi_processor_idle+0x242/0x416
[processor]
Nov 24 20:37:56 saturn kernel:  [<f8838732>] acpi_processor_idle+0x0/0x416
[processor]
Nov 24 20:37:56 saturn kernel:  [<f8838732>] acpi_processor_idle+0x0/0x416
[processor]
Nov 24 20:37:56 saturn kernel:  [<c01023ab>] cpu_idle+0xab/0xcc
Nov 24 20:37:56 saturn kernel:  [<c034f973>] start_kernel+0x339/0x341
Nov 24 20:37:56 saturn kernel:  [<c034f17b>] unknown_bootoption+0x0/0x202
Nov 24 20:37:56 saturn kernel:  =======================
Nov 24 20:37:56 saturn kernel: handlers:
Nov 24 20:37:56 saturn kernel: [<f8856aad>] (usb_hcd_irq+0x0/0x4e [usbcore])
Nov 24 20:37:56 saturn kernel: [<f89b950d>] (yenta_interrupt+0x0/0xb3
[yenta_socket])
Nov 24 20:37:56 saturn kernel: [<f88fd163>] (tifm_7xx1_isr+0x0/0xc1
[tifm_7xx1])
Nov 24 20:37:56 saturn kernel: [<f8a38965>] (sdhci_irq+0x0/0x4a4 [sdhci])
Nov 24 20:37:56 saturn kernel: Disabling IRQ #18

He buscado en Internet, pero lo más que encuentro es que parece un bug en el
driver de SATA.
¿A alguien más le ha pasado? ¿Cómo puedo corregirlo?

¡Gracias!