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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 10 Nov 2009 00:08:47 +0000
From:	Nix <nix@...eri.org.uk>
To:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: Re: [E1000-devel] [in-tree drivers] freezing e1000e in 2.6.31 (SMP only? MSI? PAUSE!)

On 8 Nov 2009, nix@...eri.org.uk 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.)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/