From: Piotr Kaczuba <pepe@attika.ath.cx>
To: Adam Kropelin <akropel1@rochester.rr.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, linux-kernel@vger.kernel.org
Subject: Re: tulip driver: errors instead TX packets?
Date: Mon, 12 Jan 2004 23:10:04 +0100 [thread overview]
Message-ID: <40031B3C.1090602@attika.ath.cx> (raw)
In-Reply-To: <20040111122736.A16869@mail.kroptech.com>
Adam Kropelin wrote:
> On Sun, Jan 11, 2004 at 01:16:03PM +0100, Piotr Kaczuba wrote:
>
>>Here is the output of dmesg after setting TULIP_DEBUG to 4 and starting
>>pppd (eth0 is used by PPPoE). I agree that the code looks okay but
>
>
> <snip>
>
>>eth0: Transmit error, Tx status 1a078c80.
>
>
> That would be heartbeat failure, no carrier, and loss of carrier. It's
> interesting that you seem to be able to get valid packets on the wire
> because the latter two errors are usually quite fatal. I suspect either
> the Comet is just buggy and those error bits aren't to be trusted or
> there is something wrong with the PHY config. I don't have docs on the
> Comet PHY so there's not much I can do.
>
> On whim, does the patch below change anything for you?
>
> --Adam
>
>
> --- linux-2.6.1/drivers/net/tulip/tulip_core.c.orig Sun Jan 11 12:06:34 2004
> +++ linux-2.6.1/drivers/net/tulip/tulip_core.c Sun Jan 11 12:09:13 2004
> @@ -438,7 +438,7 @@
> /* Enable automatic Tx underrun recovery. */
> outl(inl(ioaddr + 0x88) | 1, ioaddr + 0x88);
> dev->if_port = tp->mii_cnt ? 11 : 0;
> - tp->csr6 = 0x00040000;
> + tp->csr6 = 0x000C0000;
> } else if (tp->chip_id == AX88140) {
> tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
> } else
>
Unfortunately, not. The errors are still there, but the status code has
changed. Below is an excerpt from kern.log after applying the patch.
> Jan 12 21:34:57 orbiter kernel: Linux Tulip driver version 1.1.13 (May 11, 2002)
> Jan 12 21:34:57 orbiter kernel: eth0: ADMtek Comet rev 49 at 0xe1fea000, 00:04:75:B1:E0:77, IRQ 10.
> Jan 12 21:35:09 orbiter kernel: eth0: tulip_up(), irq==10.
> Jan 12 21:35:09 orbiter kernel: eth0: Done tulip_up(), CSR0 fff98000, CSR5 fc664010 CSR6 ff9f2113.
> Jan 12 21:35:09 orbiter kernel: eth0: Added filter for 33:33:00:00:00:01 f99baaba bit 31.
> Jan 12 21:35:09 orbiter kernel: eth0: Added filter for 33:33:ff:b1:e0:77 35362b05 bit 44.
> Jan 12 21:35:09 orbiter kernel: eth0: Added filter for 33:33:00:00:00:01 f99baaba bit 31.
> Jan 12 21:35:09 orbiter kernel: eth0: Added filter for 33:33:ff:b1:e0:77 35362b05 bit 44.
> Jan 12 21:35:09 orbiter kernel: eth0: Added filter for 33:33:00:00:00:01 f99baaba bit 31.
> Jan 12 21:35:09 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:09 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:09 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:09 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:10 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:10 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:12 orbiter kernel: eth0: Comet link status 0000 partner capability 0000.
> Jan 12 21:35:12 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:12 orbiter kernel: eth0: Transmit error, Tx status 2a0b8c00.
> Jan 12 21:35:12 orbiter kernel: eth0: Transmit error, Tx status 2a0b8c00.
> Jan 12 21:35:12 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 2a0b8c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:13 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:14 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:15 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:18 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:18 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:18 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:19 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:19 orbiter kernel: eth0: no IPv6 routers present
> Jan 12 21:35:20 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:20 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:21 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
> Jan 12 21:35:32 orbiter kernel: eth0: Transmit error, Tx status 1a078c00.
Piotr Kaczuba
next prev parent reply other threads:[~2004-01-12 22:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-10 14:48 tulip driver: errors instead TX packets? Piotr Kaczuba
2004-01-10 17:27 ` Jeff Garzik
2004-01-10 20:28 ` Piotr Kaczuba
2004-01-11 3:20 ` Adam Kropelin
2004-01-11 12:16 ` Piotr Kaczuba
2004-01-11 17:27 ` Adam Kropelin
2004-01-12 22:10 ` Piotr Kaczuba [this message]
2004-01-13 5:09 ` Adam Kropelin
2004-01-14 20:47 ` Piotr Kaczuba
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