Date: Wed, 17 Jun 1998 17:42:56 +0300 From: Ruslan Ermilov <ru@ucb.crimea.ua> To: ivan@cyclades.com Cc: Cyclades Technical Support <support@cyclades.com>, Beltran Cambronero Dominguez <beltran@cyclades.com>, hackers@FreeBSD.ORG Subject: Re: Cyclom-Y driver for FreeBSD - help!!! Message-ID: <19980617174256.A15507@ucb.crimea.ua> In-Reply-To: <3586F905.6E254745@cyclades.com>; from Ivan Passos on Tue, Jun 16, 1998 at 04:00:21PM -0700 References: <19980616212437.A7139@ucb.crimea.ua> <3586F905.6E254745@cyclades.com>
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On Tue, Jun 16, 1998 at 04:00:21PM -0700, Ivan Passos wrote: > > Hi, Mr. Ermilov !! > > > There are two drivers (I know of) for FreeBSD: > > > > a. the standard shipped driver, developed by FreeBSD team; > > b. the driver patched by you: > > $Id: cy.c,v 1.41.3.1 1998/05/01 18:23:46 ivan Exp $ > > > > With any of these drivers I'm getting "silo overflows" with > > Cyclom-YeP. > > There are no "silo overflows" with ISA card. > > The "silo overflow" msg really comes from the Cyclades Cyclom-Y > FreeBSD driver, and it means that there was a FIFO overflow in that > port. For some reason, this problem happens only on PCI accesses to > memory mapped devices on FreeBSD. It does not happen with ISA > devices (as you could verify), nor with our PCI devices on other > operating systems. I can confirm both of this facts. > The Cyclades Cyclom-Y FreeBSD driver is maintained by the FreeBSD > core team (my patch intended just to add support to our new Cyclom-Y > boards). We (Cyclades) provide only installation support, which is > not your case. Why then the FreeBSD in the list of the supported operating systems for the Cyclom-Y adapter on the www.cyclades.com? Or why it is not mentioned that PCI cards doesn't work well with FreeBSD? > I remember about requests related to the same problem, > and I believe (although I'm not sure) that FreeBSD support team has > some guidelines for this problem. Yes, they say: "Decrease the baudrate". I tried to do this - it doesn't help. It gets "silo overflows" even on 2400bps on both sides. > Could you please contact them > directly (you can try e-mailing support@freebsd.org or > questions@freebsd.org) to check that out ?!?! Yes, I know, I'm actively participating in FreeBSD life. In fact the FreeBSD only claims that they _support_ this driver. Try searching the mailing list archives on freebsd.org regarding "cyclom cyclades driver pci" and then check the responds and solutions. Of course, Ive sent a letter to the FreeBSD about my problem with Cyclades. This was the second thing after searching the mailing lists I've done. The one response I got from Danniel O'Callaghan was: | Date: Sat, 13 Jun 1998 09:53:24 +1000 (EST) | From: "Daniel O'Callaghan" <danny@panda.hilink.com.au> | To: Ruslan Ermilov <ru@ucb.crimea.ua> | cc: support@cyclades.com | Subject: Re: Help with Cyclades!!! | In-Reply-To: <19980612173805.A3586@ucb.crimea.ua> | | | I am also getting silo overflows with the FreeBSD 2.2.6 driver from | ftp.cyclades.com. This is on 2 ISA and 1 PCI boards rev 1.x. I have not | tried a rev 2.03 board. | | /* Daniel O'Callaghan */ | /* HiLink Internet <http://www.hilink.com.au/>; danny@hilink.com.au */ | /* FreeBSD - works hard, plays hard... danny@freebsd.org */ > > I wrote 2 letters to support@cyclades.com. > > It seems that they got to /dev/null ;-( > > That's unusual. They should have at least replied to you. Beltran, > could you please clarify this ?!?! Here is my original posting to both FreeBSD and Cyclades: | Message-ID: <19980612173805.A3586@ucb.crimea.ua> | Date: Fri, 12 Jun 1998 17:38:05 +0300 | From: Ruslan Ermilov <ru@ucb.crimea.ua> | To: FreeBSD Questions <questions@freebsd.org>, support@cyclades.com | Cc: bugs@freebsd.org | Subject: Help with Cyclades!!! | | Hi! | | *** I really need an answer, so I posted this to both -questions and -bugs *** | | We're running 2.2.6-STABLE on our server. | | Yesterday I replaced Cyclades Cyclom-8Ye (ISA version) by new | Cyclom-8YeP (PCI version) with hope to improve the performance. | | ISA card worked well about 3 month without any problems at all. | Five 33.6 modems attached to it at 57600 baud-rate. | | Both cards (ISA and PCI) are revision 1.02. | The new serial module is SM8 II. | | The standard FreeBSD driver doesn't support SM8/SM16 II, so the | the card was recognized but ports are not working. | | I installed the driver updated by Cyclades (ftp.cyclades.com). | The card is recognized ok and the ports are now working, but I got | silo overflows: | | cy0 <Cyclades Cyclom-Y Serial Adapter> rev 1 int a irq 11 on pci0:15:0 | | cy1: 1 more silo overflow (total 1) | cy0: 3 more silo overflows (total 6) | cy0: 6 more silo overflows (total 12) | cy1: 1 more silo overflow (total 2) | cy1: 5 more silo overflows (total 7) | cy2: 1 more silo overflow (total 2) | cy2: 6 more silo overflows (total 8) | ... and so on ... | | I tried: | | 1. to decrease baudrate from 115200 down to 38400 - this didn't help | 2. #undef PollMode in the driver (cy.c) - gave me a kernel panic | | Any help (patch, workaround, etc.) would be much appreciated. | | In FreeBSD we trust! | -- | Ruslan Ermilov System Administrator | ru@ucb.crimea.ua United Commercial Bank | +380-652-247647 Simferopol, Crimea | 2426679 ICQ Network, UIN > > > Do you have any plans to write your own driver for Cyclom-Y adapters > > for FreeBSD? > > A while ago, FreeBSD assumed the responsibility to maintain the > Cyclades Cyclom-Y drive. Since this problem you are facing seems to > be common, I'm forwarding this msg to David Greeman, who is the > leader of the FreeBSD core team, so that he can at least comment on > this issue. This e-mail's also been CC'ed to support@freebsd.org. > > I hope this e-mail helps you to find some answers to your problem. > > Regards, > -- > ******************************************************************* > Cyclades Corporation Tel.: (510)770-9727 ext. 202 > Ivan Passos E-mail : mailto:ivan@cyclades.com > Software Engineer WWW : http://www.cyclades.com > ******************************************************************* Thank you, Ivan, for the _first_ qualified response about Cyclades! -- Ruslan Ermilov System Administrator ru@ucb.crimea.ua United Commercial Bank +380-652-247647 Simferopol, Crimea 2426679 ICQ Network, UIN To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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