On 2012-07-12 09:14, Matteo Tiraferri wrote: > Dear all, > i've some trouble with my rtnet application with xenomai. Seems i lose or > i've a delay sending packet my application. > When install the rtnet driver i recive this warnig: > > "RTNET Failed to initialize MSI interrupts. Falling back to legacy > interrupts"
You were trying the e1000e from git, right? How is
/proc/xenomai/interrupts changing when that driver is in use?
> using the drive rt_e1000_new i don't recive any warning but some time i
> cannot send packet at all.
>
> So my question is possible to force the irq number or not?Can somone explain
> the reson of those warnig and if it could create some latency error?
>
> What are the difference betwen rt_e1000 and rt_e1000_new?
Both are addressing older e1000 adapters. The e1000_new was once started
to refresh the set of supported devices of the e1000. But it was never
properly finished.
Meanwhile, modern cards are covered by the e1000e, that why I recently
ported it to RTnet. This driver is the primary choice for your hardware
*if* that is handled by it. If you see interrupt problems, let's debug them.
When running the device under normal linux, what does
lspci -vvk -d VENDOR:DEVICE
report?
Jan
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