Re: [E1000-devel] [in-tree drivers] freezing e1000e in 2.6.31 (SMP only? MSI? PAUSE!)

[Nix]

On 8 Nov 2009, nix@xxxxxxxxxxxxx told this:

> On 6 Nov 2009, Emil S. Tantilov verbalised:
>> Also try disabling Tx pause frames:
>> ethtool -A fastnet tx off autoneg off
>
> Trying that now. No freezes yet, but I haven't really given it long
> enough.

I just did a large number of kernel-build-and-installs with frame
pointers over NFS over the errant link. No problems at all.

I think we can say this fixes it (works around it?)

Does this implicate the gigabit switch I'm talking to, or is it a kernel
bug? (It looks like the cheap Realteks at the other ends of this link
don't support pause frames at all: at least ethtool -a gives
-EOPNOTSUPP, but maybe they simply can't be turned off... hm, r8169.c
vaguely suggests that it supports them but can't turn them off without
source hacking.)
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