misc/74786: Smartlink Modem causes interrupt storm on RELENG_4 and RELENG_5

[Mike Tancsa]

The following reply was made to PR kern/74786; it has been noted by GNATS.

From: Mike Tancsa <mike at sentex.net>
To: Bruce Evans <bde at zeta.org.au>
Cc: freebsd-gnats-submit at freebsd.org, freebsd-bugs at freebsd.org
Subject: Re: misc/74786: Smartlink Modem causes interrupt storm on 
  RELENG_4 and RELENG_5
Date: Wed, 08 Dec 2004 11:08:38 -0500

 At 02:22 AM 08/12/2004, Bruce Evans wrote:
 
 >Try this fix.  For the uhci-sio conflict, it should avoid problem (1)
 >(please try it with the RF_SHAREABLE flag removed so that if this is
 ....
 >115200 bps provided the UART is buffered and HZ >= 1000.  With
 >unbuffered UARTs and HZ = 100, only 4800 bos mostly works.
 
 Note,
 When removing the RF_SHAREABLE flag from the patch as applied to the 
 default src code for RELENG_5, the modem is not usable.  With RF_SHAREABLE, 
 all *seems* to work with the modem, but I dont have any real tests, other 
 than dialing up and doing a fetch of a large file.
 
          ---Mike