ho un problema con la condivisione degli irq... senza preavviso e senza motivo apparente ogni tanto mi si disabilita l'irq 11 assegnato alla scheda di rete e condiviso con l'usb, col risultato che non posso piu' accedere alla rete... a nulla vale tirare su e giu' interfacce e moduli vari, ogni volta devo riavviare; questo uno stralcio di sys.log:

codice:
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 11 for device 0000:02:05.0
Nov  1 21:21:58 P4 kernel: sk98lin: Network Device Driver v6.23
Nov  1 21:21:58 P4 kernel: (C)Copyright 1999-2004 Marvell(R).
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 11 for device 0000:02:05.0
Nov  1 21:21:58 P4 kernel: eth0: Yukon Gigabit Ethernet 10/100/1000Base-T Adapter
Nov  1 21:21:58 P4 kernel:       PrefPort:A  RlmtMode:Check Link State
Nov  1 21:21:58 P4 kernel: usbcore: registered new driver hub
Nov  1 21:21:58 P4 kernel: usbcore: registered new driver usbhid
Nov  1 21:21:58 P4 kernel: drivers/usb/input/hid-core.c: v2.0:USB HID core driver
Nov  1 21:21:58 P4 kernel: USB Universal Host Controller Interface driver v2.2
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 10 for device 0000:00:1d.0
Nov  1 21:21:58 P4 kernel: PCI: Sharing IRQ 10 with 0000:00:1d.3
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.0: UHCI Host Controller
Nov  1 21:21:58 P4 kernel: PCI: Setting latency timer of device 0000:00:1d.0 to 64
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.0: irq 10, io base 0000ef00
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
Nov  1 21:21:58 P4 kernel: hub 1-0:1.0: USB hub found
Nov  1 21:21:58 P4 kernel: hub 1-0:1.0: 2 ports detected
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 3 for device 0000:00:1d.1
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.1: UHCI Host Controller
Nov  1 21:21:58 P4 kernel: PCI: Setting latency timer of device 0000:00:1d.1 to 64
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.1: irq 3, io base 0000ef20
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
Nov  1 21:21:58 P4 kernel: hub 2-0:1.0: USB hub found
Nov  1 21:21:58 P4 kernel: hub 2-0:1.0: 2 ports detected
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 5 for device 0000:00:1d.2
Nov  1 21:21:58 P4 kernel: PCI: Sharing IRQ 5 with 0000:00:1f.1
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.2: UHCI Host Controller
Nov  1 21:21:58 P4 kernel: PCI: Setting latency timer of device 0000:00:1d.2 to 64
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.2: irq 5, io base 0000ef40
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
Nov  1 21:21:58 P4 kernel: hub 3-0:1.0: USB hub found
Nov  1 21:21:58 P4 kernel: hub 3-0:1.0: 2 ports detected
Nov  1 21:21:58 P4 kernel: PCI: Found IRQ 10 for device 0000:00:1d.3
Nov  1 21:21:58 P4 kernel: PCI: Sharing IRQ 10 with 0000:00:1d.0
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.3: UHCI Host Controller
Nov  1 21:21:58 P4 kernel: PCI: Setting latency timer of device 0000:00:1d.3 to 64
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.3: irq 10, io base 0000ef80
Nov  1 21:21:58 P4 kernel: uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
Nov  1 21:21:58 P4 kernel: hub 4-0:1.0: USB hub found
Nov  1 21:21:58 P4 kernel: hub 4-0:1.0: 2 ports detected
Nov  1 21:21:58 P4 kernel: Adding 497972k swap on /dev/hdb5.  Priority:1 extents:1
Nov  1 21:21:58 P4 kernel: usb 2-2: new low speed USB device using address 2
Nov  1 21:21:58 P4 kernel: EXT3 FS on hdb3, internal journal
Nov  1 21:21:58 P4 kernel: HID device not claimed by input or hiddev
Nov  1 21:21:58 P4 kernel: usbhid: probe of 2-2:1.0 failed with error -5
Nov  1 21:21:58 P4 kernel: usb 4-2: new low speed USB device using address 2
Nov  1 21:21:58 P4 kernel: input: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:1d.3-2
Nov  1 21:22:00 P4 kernel: eth0: network connection up using port A
Nov  1 21:22:00 P4 kernel:     speed:           100
Nov  1 21:22:00 P4 kernel:     autonegotiation: yes
Nov  1 21:22:00 P4 kernel:     duplex mode:     full
Nov  1 21:22:00 P4 kernel:     flowctrl:        symmetric
Nov  1 21:22:00 P4 kernel:     irq moderation:  disabled
Nov  1 21:22:00 P4 kernel:     scatter-gather:  enabled
Nov  1 21:22:08 P4 kernel: usb 2-2: USB disconnect, address 2
Nov  1 21:53:24 P4 kernel: irq 11: nobody cared!
Nov  1 21:53:24 P4 kernel:  [__report_bad_irq+42/139] __report_bad_irq+0x2a/0x8b
Nov  1 21:53:24 P4 kernel:  [note_interrupt+156/186] note_interrupt+0x9c/0xba
Nov  1 21:53:24 P4 kernel:  [do_IRQ+270/307] do_IRQ+0x10e/0x133
Nov  1 21:53:24 P4 kernel:  [common_interrupt+24/32] common_interrupt+0x18/0x20
Nov  1 21:53:24 P4 kernel:  [__do_softirq+47/135] __do_softirq+0x2f/0x87
Nov  1 21:53:24 P4 kernel:  [do_softirq+38/40] do_softirq+0x26/0x28
Nov  1 21:53:24 P4 kernel:  [do_IRQ+277/307] do_IRQ+0x115/0x133
Nov  1 21:53:24 P4 kernel:  [common_interrupt+24/32] common_interrupt+0x18/0x20
Nov  1 21:53:24 P4 kernel:  [pfkey_xfrm_state2msg+255/2854] pfkey_xfrm_state2msg+0xff/0xb26
Nov  1 21:53:24 P4 kernel:  [default_idle+35/38] default_idle+0x23/0x26
Nov  1 21:53:24 P4 kernel:  [cpu_idle+39/53] cpu_idle+0x27/0x35
Nov  1 21:53:24 P4 kernel:  [start_kernel+362/388] start_kernel+0x16a/0x184
Nov  1 21:53:24 P4 kernel:  [unknown_bootoption+0/355] unknown_bootoption+0x0/0x163
Nov  1 21:53:24 P4 kernel: handlers:
Nov  1 21:53:24 P4 kernel: [pg0+944850801/1070477312] (SkGeIsrOnePort+0x0/0x194 [sk98lin])
Nov  1 21:53:24 P4 kernel: Disabling IRQ #11
googlando un po' ho visto che il problema e' aggirabile passando noirqdebug al kernel, ma come si fa tramite grub? io ho provato cosi':

codice:
title		LFS 2.6.8.1_light
root		(hd1,2)
kernel		/boot/lfskernel-2.6.8.1_light ro vga=ask
noirqdebug
savedefault
boot
ma non sembra avere alcun effetto...