Re: "le0: dropping chained buffer", OpenBSD 3.1 on Sparc 5 (sun4m)

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02-18-2008, 06:32 AM

Jason L. Wright

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Re: "le0: dropping chained buffer", OpenBSD 3.1 on Sparc 5 (sun4m)

On Sun, Aug 17, 2003 at 02:12:12AM +0200, Marc Bevand wrote:
> The code is right: if (bits != (STP | ENP)) then it is a chained
> buffer. Anyway, the troubleshooting you have done raises some important
> points:
>
> (1) both of your hosts became unresponsive at the same time
> (2) the am7990 driver does not handle chained buffers

Iirc, chained buffers occur when the lance is completely overwhelmed
with rx packets. We should probably stop bitching about it to the
console (console printf is synchronous... eep! which makes most
problems like this worse). Perhaps a #ifdef LEDEBUG around the
printf is in order?

--Jason L. Wright

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Re: "le0: dropping chained buffer", OpenBSD 3.1 on Sparc 5 (sun4m)