Subject: Re: Fix in if_wm.c.
To: None <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 05/05/2004 05:50:04
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On May 5, 2004, at 4:17 AM, <email@example.com> wrote:
> The ability to use MCLBYTES larger than 2048 is ifdef'd out in the wm
> driver, with the somewhat cryptic comment:
> * XXX MCLBYTES > 2048 causes "Tx packet consumes too many DMA"
> * XXX segments, dropping" -- why?
> The message above is probably a result of an MD bug somewhere
> (in bus_dma_load_mbuf), the card has no problem using larger buffers.
> I have used 4096 bytes mbuf clusters on x86 with many different
> wm cards for a long time now without any problem at all, and I
> would like to turn on the ability again. Comments?
No objection from me. Thor actually added that comment, and he
observed the problem on x86. *shrug*
-- Jason R. Thorpe <firstname.lastname@example.org>
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