Re: IRQ conflict IRQ0 network card.

[Camaleón <noelamac@gmail.com>]

On Thu, 16 Aug 2012 09:03:16 +0100, Bhasker C V wrote:

>  I have a old PC (AMD athelon 3000+) which has an onboard network card
> (gige-tg3) kernel 3.5.0 debian squeeze.

Have you tried with Debian stock kernel (2.6.32) or the backported one 
(3.2)? :-?

> 03:16.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S
> [Rhine-III] (rev 86)
> 
> 
>  When I do an ifconfig eth1 up (eth0 is another external card) I get
> this error
> 
> 
> [  408.536851] genirq: Flags mismatch irq 0. 00000080 (eth1) vs.
> 00015a20 (timer)

Is the network card working despite the error? I mean, kernel can be very 
verbose but some messages are also harmless, just informative.
 
> I tried to google for this but could not get any good fix information
> for this issue. The card is not working as of now but was working fine
> with FreeBSD kernel.

Ah, then the problem is for real :-(

> Has anyone encountered this before

Google suggests the message comes from kernel 3.5.0, I would look for any 
specific patch that solves this, if any.

> I have tried hpet=none (just to score off the hpet IRQ and this card IRQ
> clash)
> I have tried pci=biosirq
> 
> When I load the driver these are the messages
> 
> [  803.569255] tg3.c:v3.123 (March 21, 2012) 
> [  803.631887] tg3 0000:02:00.0: eth1: Tigon3 [partno(BCM95789) rev 4101] (PCI Express) MAC address 00:30:1b:b9:d5:e3 
> [  803.631895] tg3 0000:02:00.0: eth1: attached PHY is 5750 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0])
> [  803.631899] tg3 0000:02:00.0: eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
> [  803.631903] tg3 0000:02:00.0: eth1: dma_rwctrl[76180000] dma_mask[64-bit]

The card seems to be properly detected :-?

> When I do a ifconfig up I get this message
> 
> [  823.525509] genirq: Flags mismatch irq 0. 00000080 (eth1) vs. 00015a20 (timer)

What's the full output of "ifconfig eth1"?

Greetings,

-- 
Camaleón