Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 18 May 1998 10:32:57 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Jt <hometeam@techpower.net>
Cc:        questions@FreeBSD.ORG
Subject:   Re: sio driver
Message-ID:  <19980518103257.L427@freebie.lemis.com>
In-Reply-To: <Pine.BSF.3.96.980516182117.965A-100000@techpower.net>; from Jt on Sun, May 17, 1998 at 03:37:22PM -0400
References:  <19980517103457.F370@freebie.lemis.com> <Pine.BSF.3.96.980516182117.965A-100000@techpower.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 17 May 1998 at 15:37:22 -0400, Jt wrote:
> On Sun, 17 May 1998, Greg Lehey wrote:
>
>> On Sat, 16 May 1998 at 13:50:21 -0400, Jt wrote:
>>>
>>> In Release 2.2.6 I am getting interrupt level buffer overflows
>>> the man sio says it in the bottom of the driver.
>>> I got 16650 serial card hoping it would fix this problem.
>>> I guess it is a driver problem. Is anyone looking at this ?
>>> This has been a problem since 2.0.1.
>>
>> Strange.  I don't hear of many of these.
>>
>>> If linux doesn't have this problem why a stable bsd like freebsd
>>> unable to fix this.?
>>
>> You can fix FreeBSD to make it work like Linux.  Just remove the code
>> that prints the message.
>
>
> Will this also allow the speed to be normal on tranfers.  is printing the
> msg to console whats bogging down the transfer?
>
> sio1: 5 more interrupt-level buffer overflows (total 10)
> sio1: 5 more interrupt-level buffer overflows (total 15)
> sio1: 5 more interrupt-level buffer overflows (total 20)
> sio1: 5 more interrupt-level buffer overflows (total 25)
> sio1: 5 more interrupt-level buffer overflows (total 30)
> sio1: 5 more interrupt-level buffer overflows (total 35)
>
> I found there is an obscure setting in current for the fifo buffer
> to enable 32 byte. might help.

You didn't say that you were running at 230,000 bps.  It looks like
John Kelly's answer was the most useful.

Greg
--
See complete headers for address and phone numbers
finger grog@lemis.com for PGP public key

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980518103257.L427>