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发信人: zzt (破网,烂网), 信区: Linux
标 题: ◇ Re: Linux vs freeBSD calvin
发信站: BBS 荔园晨风站 (Thu Nov 12 22:38:13 1998), 站内信件 (WWW POST)
发信人: calvin (冷眼人生～淡出江湖), 信区: FreeBSD
标 题: ◇ Re: Linux vs freeBSD
发信站: 华南网木棉站 (Mon Jun 15 15:42:29 1998), 转信
◇ Re: Linux vs freeBSD
-------------------------------------------------------------------------------
-作者: woju (Sound) 看板: 386BSD
标题: Re: Linux vs freeBSD
时间: Sat Oct 11 18:17:52 1997
※ 引述《woju (Sound)》之铭言：
: 前阵子我们谈得很高兴，最近 FreeBSD 总部 (mailing-lists) 刚好也谈到这件事...
: ref:
: telnet freebsd.ntu.edu.tw FB.chat 版
woju 喜欢这段话，特别是
"the people who demanded it were unwilling to do the work" :-)
------------------------------------------------------------------------------
发信人: mike@smith.net.au (Mike Smith), 看板: FB.chat
标 题: Re: Linux vs freeBSD
发信站: NCTU CSIE FreeBSD Server (Sat Oct 11 09:59:08 1997)
转信站: ntubsd!FreeBSD.csie.NCTU!not-for-mail
> (David Kelly)
> > Do we have any examples laying around of FreeBSD wanting for drivers
> > that exist in Linux? Or are we simply repeating what's always been said?
There are a few that come to mind; the Buslogic Flashpoint controllers,
Token Ring cards, some Xircom hardware I believe.
> > An example would be ATAPI CDROM's and FreeBSD. In the past FreeBSD's
> > ATAPI support was slack. The reason I gathered was that nobody who was
> > capable of the task wanted to do it.
It's always better to ask about these things. The ATAPI support was
slack because the people who demanded it were unwilling to do the work,
and the people that were willing and capable didn't have the time or
resources. That's mostly not an issue these days.
> > Today, I don't know what the status is of the wd driver. But I'd guess
> > that its not being carressed into DMA, UltraDMA, mode 4.... the way a
> > Linux driver would be. As with ATAPI, its just not as interesting to
> > FreeBSD developers as SCSI.
That is, of course, complete crap, as anyone that's been following this
would be able to observe:
- the PIO mode setting has always been the BIOS' responsibility;
FreeBSD uses whatever the BIOS set.
- DMA and UDMA33 are both supported in 3.x. These aren't hot items for
the stability-oriented 2.2, but they exist and seem to work pretty
well.
> > In the driver discussion, some mention of the sharing of drivers
> > between FreeBSD and Linux is needed.
This is hard. I guess you can cover the fact that FreeBSD has on some
occasions been able to leverage the information obtained by Linux
developers in order to create and/or improve drivers, but the Linux
driver model and typical source code license is such that it's hard to
"share" drivers.
mike
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