cvs commit: src/sys/dev/nve if_nve.c
gabor.kovesdan at t-hosting.hu
Fri Apr 28 20:30:18 UTC 2006
John Baldwin wrote:
> jhb 2006-04-28 20:08:16 UTC
> FreeBSD src repository
> Modified files:
> sys/dev/nve if_nve.c
> The nvidia binary blob sometimes defers tx completion notification to the
> OS dependent layer. Thus, the watchdog timer can go off when the tx
> engine is working fine but the OS dependent layer just hasn't been called
> to cleanup finished tx transactions. To workaround this, when the watchdog
> fires, poke the binary blob to force it to flush any pending tx
> completions. If this drops the pending tx count to zero then just return
> without logging a message or resetting the chip.
> This reportedly fixes the 'device timeout()' errors with at least several
> NF4 nve(4) parts.
> Submitted by: Nathan Alexander Whitehorn <nathanw at uchicago.edu> (code)
> Submitted by: dg (inspiration for comment and explanation)
> MFC after: 1 week
> Revision Changes Path
> 1.21 +19 -1 src/sys/dev/nve/if_nve.c
It sounds nice, thanks!
Anyway, as far as I know, OpenBSD people have written a native
reverse-engineered nForce ethernet controller driver. It would be nice
if someone could port it to FreeBSD. I'm interested but unfortunately
I'm only an average user, I don't have the necessary knowledge.
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