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Re: [Xen-devel] no-carrier on qlogic 8242 10gig with linux 3.x running xen



On Tue, Mar 27, 2012 at 02:31:43PM -0700, Kristoffer Harthing Egefelt wrote:
> Diffing the dmesg's from native linux 3.x and linux 3.x with xen shows 4 more
> lines on the native:
> 
> Native:
>  qlcnic 0000:03:00.0: phy port: 0 switch_mode: 0,
>     max_tx_q: 1 max_rx_q: 8 min_tx_bw: 0x0,
>     max_tx_bw: 0x64 max_mtu:0x2580, capabilities: 0x6affae
>  qlcnic 0000:03:00.0: failed card response code:0x10
>  qlcnic 0000:03:00.0: Can't get template size 16
>  qlcnic 0000:03:00.0: firmware v4.7.83
>  qlcnic: 24:b6:fd:64:1e:45: QME8242-k 10GbE Dual Port Mezzanine Card Board
> Chip rev 0x54
> * qlcnic 0000:03:00.0: irq 78 for MSI/MSI-X
>  qlcnic 0000:03:00.0: irq 79 for MSI/MSI-X
>  qlcnic 0000:03:00.0: irq 80 for MSI/MSI-X
>  qlcnic 0000:03:00.0: irq 81 for MSI/MSI-X*
>  qlcnic 0000:03:00.0: using msi-x interrupts
>  qlcnic 0000:03:00.0: eth0: XGbE port initialized
> 
> The xen version of dmesg does not have these irq's:
> 
> XEN:
>  qlcnic 0000:03:00.0: phy port: 0 switch_mode: 0,
>     max_tx_q: 1 max_rx_q: 8 min_tx_bw: 0x0,
>     max_tx_bw: 0x64 max_mtu:0x2580, capabilities: 0x6affae
>  qlcnic 0000:03:00.0: failed card response code:0x10
>  qlcnic 0000:03:00.0: Can't get template size 16
>  qlcnic 0000:03:00.0: firmware v4.7.83
>  qlcnic: 24:b6:fd:64:1e:45: QME8242-k 10GbE Dual Port Mezzanine Card Board
> Chip rev 0x54
>  qlcnic 0000:03:00.0: using msi-x interrupts
>  qlcnic 0000:03:00.0: eth0: XGbE port initialized
>  xen: registering gsi 38 triggering 0 polarity 1
>  xen_map_pirq_gsi: returning irq 38 for gsi 38
>  xen: --> pirq=38 -> irq=38 (gsi=38)
>  Already setup the GSI :38

And is 38 assigned to this device or to another one? You shold
be able to see that in /proc/interrupts.
> 
> Does this make any sense?

You would be better of comparing the /proc/interrupts - see if the
one that is associated with the driver has the same number of them
(the numbers will differ).

> I'm able to mod probe the qlcnic driver with options:
> use_msi=0 and
> use_msi_x=0
> but this has no effect.
> 
> 
> 
> --
> View this message in context: 
> http://xen.1045712.n5.nabble.com/no-carrier-on-qlogic-8242-10gig-with-linux-3-x-running-xen-tp5597283p5598955.html
> Sent from the Xen - Dev mailing list archive at Nabble.com.
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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