From: Francois Romieu <romieu@fr.zoreil.com>
To: Andy Lutomirski <luto@myrealbox.com>
Cc: Hans-Frieder Vogt <hfvogt@arcor.de>,
linux-kernel@vger.kernel.org, jgarzik@pobox.com,
netdev@oss.sgi.com
Subject: Re: 2.6.9-rc1-bk11+ and 2.6.9-rc1-mm3,4 r8169: freeze during boot (FIX included)
Date: Sun, 19 Sep 2004 23:39:52 +0200 [thread overview]
Message-ID: <20040919213952.GA32570@electric-eye.fr.zoreil.com> (raw)
In-Reply-To: <414DF773.7060402@myrealbox.com>
Andy Lutomirski <luto@myrealbox.com> :
[...]
> FWIW, it looks like init_board is setting PCIDAC in tp->cp_cmd but that
> isn't updated to the card until after the rx ring is filled in
> r8169_open. This seems suspicious, since DMA memory is being allocated
> possibly in >32-bit addresses but the card hasn't been told to support
> that. Fixing this doesn't seem to help, though...
rtl8169_hw_start() writes the CPlusCmd register before the ring descriptor
adresses are set. Can you elaborate why it would not be enough ?
Btw the r8169 driver in 2.6.9-rcX does not advertise NETIF_F_HIGHDMA: where
would a >32 bit address come from ?
> Turning off high DMA fixes it. Maybe it just needs to be disabled until
> someone figures out what's going on.
I am cooking a patch for it (+ check for PCI error).
As a side note, the r8169 chipset does not like DAC to be enabled on a
32bit system. I got the usual PCI error reported while trying it.
--
Ueimor
next prev parent reply other threads:[~2004-09-19 21:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200409130035.50823.hfvogt@arcor.de>
[not found] ` <20040912232604.GC27282@electric-eye.fr.zoreil.com>
2004-09-13 12:43 ` 2.6.9-rc1-bk11+ and 2.6.9-rc1-mm3,4 r8169: freeze during boot (FIX included) Hans-Frieder Vogt
2004-09-13 22:02 ` Francois Romieu
2004-09-13 23:31 ` Hans-Frieder Vogt
2004-09-15 22:40 ` Hans-Frieder Vogt
2004-09-15 23:09 ` Francois Romieu
2004-09-15 23:32 ` Hans-Frieder Vogt
2004-09-16 7:02 ` Francois Romieu
2004-09-16 18:20 ` Jon Mason
2004-09-17 15:43 ` Jon Mason
2004-09-17 16:01 ` Francois Romieu
2004-09-19 21:17 ` Andy Lutomirski
2004-09-19 21:39 ` Francois Romieu [this message]
2004-09-19 23:51 ` Andy Lutomirski
2004-09-20 2:56 ` Jeff Garzik
2004-09-20 7:17 ` Francois Romieu
2004-09-20 17:59 ` Jeff Garzik
2004-09-20 21:15 ` Francois Romieu
2004-09-20 16:06 ` Jon Mason
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