git: 9front

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merge

--- a/sys/src/9/pc/ether8169.c

+++ b/sys/src/9/pc/ether8169.c

@@ -919,8 +919,10 @@

 	int x;

 	ctlr = edev->ctlr;

-	x = ctlr->rdh;

-	for(;;){

+	if(ctlr->nrq < ctlr->nrd/2)

+		rtl8169replenish(ctlr);

+

+	for(x = ctlr->rdh; x != ctlr->rdt;){

 		d = &ctlr->rd[x];

 		if((control = d->control) & Own)

 			break;

-- 

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