2.6.6rc3-mm2: Disabling IRQ #7 / nobody cared / usb_hcd_irq

[JG]

hi, 

just got this error message from the kernel after running for about 2 hours. i also encountered this with mm1, but i upgraded because of the mem-leak.

May  7 15:21:30 lambda kernel: spurious 8259A interrupt: IRQ7.
[...]
irq 7: nobody cared!
May  7 21:41:43 kernel:  [<c0105bb4>] __report_bad_irq+0x24/0x80
May  7 21:41:43 kernel:  [<c02553ee>] usb_hcd_irq+0x2e/0x60
May  7 21:41:43 kernel:  [<c0105c91>] note_interrupt+0x61/0x90
May  7 21:41:43 kernel:  [<c0105b60>] handle_IRQ_event+0x30/0x60
May  7 21:41:43 kernel:  [<c0105efb>] do_IRQ+0x12b/0x150
May  7 21:41:43 kernel:  [<c0104478>] common_interrupt+0x18/0x20
May  7 21:41:43 kernel:  [<c0105b50>] handle_IRQ_event+0x20/0x60
May  7 21:41:43 kernel:  [<c0105e7f>] do_IRQ+0xaf/0x150
May  7 21:41:43 kernel:  =======================
May  7 21:41:43 kernel:  [<c0104478>] common_interrupt+0x18/0x20
May  7 21:41:43 kernel:  [<c013296e>] kfree+0x3e/0x60
May  7 21:41:43 kernel:  [<c02785b8>] kfree_skbmem+0x8/0x20
May  7 21:41:43 kernel:  [<c0278658>] __kfree_skb+0x88/0x100
May  7 21:41:43 kernel:  [<c02947f4>] tcp_read_sock+0x134/0x1b0
May  7 21:41:43 kernel:  [<e8fad440>] tcp_data_recv+0x0/0x3e0 [sunrpc]
May  7 21:41:43 kernel:  [<e8fad866>] tcp_data_ready+0x46/0x70 [sunrpc]
May  7 21:41:43 kernel:  [<c029c2f2>] tcp_rcv_established+0x502/0x660
May  7 21:41:43 kernel:  [<c02a4278>] tcp_v4_do_rcv+0xe8/0xf0
May  7 21:41:43 kernel:  [<c02a481b>] tcp_v4_rcv+0x59b/0x770
May  7 21:41:43 kernel:  [<c028b824>] ip_local_deliver_finish+0xb4/0x180
May  7 21:41:43 kernel:  [<c0284509>] nf_hook_slow+0xb9/0x110
May  7 21:41:43 kernel:  [<c028b770>] ip_local_deliver_finish+0x0/0x180
May  7 21:41:43 kernel:  [<c028b348>] ip_local_deliver+0x1c8/0x1f0
May  7 21:41:43 kernel:  [<c028b770>] ip_local_deliver_finish+0x0/0x180
May  7 21:41:43 kernel:  [<c028ba88>] ip_rcv_finish+0x198/0x210
May  7 21:41:43 kernel:  [<c0284202>] nf_iterate+0x72/0xb0
May  7 21:41:44 kernel:  [<c028b8f0>] ip_rcv_finish+0x0/0x210
May  7 21:41:44 kernel:  [<c0284509>] nf_hook_slow+0xb9/0x110
May  7 21:41:44 kernel:  [<c028b8f0>] ip_rcv_finish+0x0/0x210
May  7 21:41:44 kernel:  [<c028b6cb>] ip_rcv+0x35b/0x400
May  7 21:41:44 kernel:  [<c028b8f0>] ip_rcv_finish+0x0/0x210
May  7 21:41:44 kernel:  [<c027cac2>] netif_receive_skb+0x142/0x170
May  7 21:41:44 kernel:  [<c0270008>] psmouse_connect+0x168/0x260
May  7 21:41:44 kernel:  [<c027cb62>] process_backlog+0x72/0x110
May  7 21:41:44 kernel:  [<c027cc61>] net_rx_action+0x61/0x100
May  7 21:41:44 kernel:  [<c01196b9>] __do_softirq+0x79/0x80
May  7 21:41:44 kernel:  [<c01065b3>] do_softirq+0x43/0x60
May  7 21:41:44 kernel:  =======================
May  7 21:41:44 kernel:  [<c0105ee3>] do_IRQ+0x113/0x150
May  7 21:41:44 kernel:  [<c0104478>] common_interrupt+0x18/0x20
May  7 21:41:44 kernel:  [<c0101e53>] default_idle+0x23/0x30
May  7 21:41:44 kernel:  [<c0101ebc>] cpu_idle+0x2c/0x40
May  7 21:41:44 kernel:  [<c03a76c7>] start_kernel+0x137/0x150
May  7 21:41:44 kernel:  [<c03a7370>] unknown_bootoption+0x0/0x110
handlers:
[<c02553c0>] (usb_hcd_irq+0x0/0x60)

system info:
lspci -vvv and /proc/interrupts output is attached.

could somebody tell me please what is causing this or how to fix it?

thanks,
JG

Attachment: lspci
Description: Binary data

Attachment: interrupts
Description: Binary data

Attachment: pgp00000.pgp
Description: PGP signature