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Date: Mon, 21 Oct 2002 10:22:38 -0700
To: Alessandro Suardi <alessandro.suardi@oracle.com>
Cc: linux-kernel@vger.kernel.org, irda-users@lists.sourceforge.net
Subject: Re: 2.5.42: IrDA issues
Message-ID: <20021021172238.GF20404@bougret.hpl.hp.com>
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From: Jean Tourrilhes <jt@bougret.hpl.hp.com>
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On Mon, Oct 21, 2002 at 11:19:35AM +0200, Alessandro Suardi wrote:
> Jean Tourrilhes wrote:
> >On Sun, Oct 13, 2002 at 05:27:19AM -0800, ALESSANDRO.SUARDI wrote:
> >
> >>I have a PPP over IrDA connection to my Nokia phone; under 2.4.20-preX I 
> >>have no
> >>problem keeping the link up, while in 2.5.4x it fails in a very short 
> >>time like this:
> >>
> >>Oct 13 01:13:13 dolphin kernel: IrLAP, no activity on link!
> >>Oct 13 01:13:11 dolphin kernel: NETDEV WATCHDOG: irda0: transmit timed out
> >>Oct 13 01:13:11 dolphin kernel: irda0: transmit timed out
> >>Oct 13 01:13:13 dolphin kernel: IrLAP, no activity on link!
> >>Oct 13 01:13:13 dolphin kernel: NETDEV WATCHDOG: irda0: transmit timed out
> >>Oct 13 01:13:13 dolphin kernel: irda0: transmit timed out
> >>Oct 13 01:13:13 dolphin pppd[5378]: Modem hangup
> >>Oct 13 01:13:13 dolphin pppd[5378]: Connection terminated.
> >>Oct 13 01:13:13 dolphin pppd[5378]: Connect time 1.8 minutes.
> >>Oct 13 01:13:13 dolphin pppd[5378]: Sent 19541 bytes, received 35933 
> >>bytes.
> >>Oct 13 01:13:13 dolphin pppd[5378]: Exit.
> >>
> >>I also get the transmit timed out spam (why one with WATCHDOG and one 
> >>without ?)
> >>in 2.4.20-pre but the IrLAP line isn't there. And the GPRS link stays 
> >>up...
> >>
> >>
> >>Thanks in advance for any insight,
> >>
> >>--alessandro
> >
> >
> >	Please do yourself a favor and give me a proper bug report,
> >including hardware, driver and irdadump.
> >
> 
> Will provide irdadump stuff soon[-ish], I'm wading through a backlog
>  of, uhm, too much email. The short-form report really meant "is this
>  a known issue ?"...

	irtty is busted, that's why I asked for the driver you are
using (its clearly a driver issue). I believe smc-ircc and irport are
sick as well.

> Anyway - the box is a Dell Latitude CPx750J with this:
> 
> [root@dolphin root]# findchip -v
> Found SMC FDC37N958FR Controller at 0x3f0, DevID=0x01, Rev. 1
>     SIR Base 0x3e8, FIR Base 0x290
>     IRQ = 4, DMA = 3
>     Enabled: yes, Suspended: no
>     UART compatible: yes
>     Half duplex delay = 3 us
> 
> So clearly I'm using smc-ircc.o.
> 
> (Of course I'll try and reproduce in 2.5.44 tonight or tomorrow).

	Stop ! Daniele Peri has just released a new version of the SMC
driver (smc-ircc2, link on my web page). I would like you to try this
new driver and report to me. I plan to push this new driver in the
kernel soon. So, don't waste too much time on the old driver.

> Thanks,
> 
> --alessandro

	Have fun...

	Jean
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