Date: Fri, 28 Apr 2006 22:29:53 +0200 From: =?ISO-8859-1?Q?K=F6vesd=E1n_G=E1bor?= <gabor.kovesdan@t-hosting.hu> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/nve if_nve.c Message-ID: <44527B41.3090003@t-hosting.hu> In-Reply-To: <200604282008.k3SK8Gqe045067@repoman.freebsd.org> References: <200604282008.k3SK8Gqe045067@repoman.freebsd.org>
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John Baldwin wrote: > jhb 2006-04-28 20:08:16 UTC > > FreeBSD src repository > > Modified files: > sys/dev/nve if_nve.c > Log: > 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@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. Gabor Kovesdan
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