kern/128833: [bge] Network packets corrupted when bge card is
in 64-bit PCI slot
brad at comstyle.com
Tue Nov 18 15:01:38 PST 2008
On Tuesday 18 November 2008 17:50:04 Marius Strobl wrote:
> The following reply was made to PR kern/128833; it has been noted by GNATS.
> From: Marius Strobl <marius at alchemy.franken.de>
> To: =?unknown-8bit?Q?Aur=E9lien_M=E9r=E9?= <freebsd at amc-os.com>
> Cc: bug-followup at FreeBSD.org
> Subject: Re: kern/128833: [bge] Network packets corrupted when bge card is
> in 64-bit PCI slot Date: Tue, 18 Nov 2008 23:46:21 +0100
> On Mon, Nov 17, 2008 at 02:37:51AM +0100, Aurlien Mr wrote:
> > Hi
> > As first check, when device is being attached, here are the values
> > reported and the diff :
> > in 32 bit slot :
> > BGE_PCI_PCISTATE = 0x96 (0x86 | BGE_PCISTATE_32BIT_BUS)
> > bge_flags = 0x120E (0x100E | BGE_FLAG_PCIX)
> > in 64 bit slot :
> > BGE_PCI_PCISTATE = 0x8E (0x86 | BGE_PCISTATE_PCI_BUSSPEED)
> > bge_flags = 0x1A0E (0x100E | BGE_FLAG_PCIX | BGE_FLAG_64BIT)
> > Seems logical so far, I'll try to look further.
> Apart from the problem described by davidch@ (I'm not sure
> you actually have a BCM5701 A3 though, at least bge(4) doesn't
> seem to be aware of that revision) the BGE_PCI_PCISTATE and
> bge_flags pairs you reported don't match though; according
> to BGE_PCI_PCISTATE the card isn't in a PCI-X slot in either
> case (BGE_PCISTATE_PCI_BUSMODE is always set, which means
> PCI) and AFAICT your motherboard chipset also doesn't
> support PCI-X. However, as you noted BGE_FLAG_PCIX is set
> for whatever reason in both cases, which leads to some
> inappropriate initialization of the controller. As a quick
> test could you please check whether replacing the "#if
> __FreeBSD_version > 602101" in the driver with an "#if 0"
> makes any difference to your problem?
The PCI-X check which is used for I'm guessing FreeBSD 7 and
newer is wrong. Older versions get it right.
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