From: Ivan Vecera <ivecera@redhat.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: netdev@vger.kernel.org, Hayes <hayeswang@realtek.com>
Subject: Re: [PATCH] r8169: use RxFIFO overflow workaround for 8168c chipset
Date: Thu, 27 Jan 2011 20:23:36 +0100 [thread overview]
Message-ID: <1296156217.8720.3.camel@ceranb.brq.redhat.com> (raw)
In-Reply-To: <20110127143219.GA7831@electric-eye.fr.zoreil.com>
On Thu, 2011-01-27 at 15:32 +0100, Francois Romieu wrote:
> Ivan Vecera <ivecera@redhat.com> :
> > I found that one of the 8168c chipsets (concretely XID 1c4000c0) starts
> > generating RxFIFO overflow errors. The result is an infinite loop in
> > interrupt handler as the RxFIFOOver is handled only for ...MAC_VER_11.
>
> Acked-by: as your patch ties it to a specific 8168 revision (CFG_METHOD_6
> in Realtek's parlance).
>
> Surprizing as it may seem, unconditionaly enabling it has not always
> produced the expected result. See 53f57357ff0afc37804f4e82ee3123e0c0a2cad6
> for instance. Realtek's r1868 driver ignores it most of time as well.
>
> Was it normal high-load or pktgen like high load ?
The test case was: Migration of the several kvm guests at the same time
between two hosts.
Ivan
next prev parent reply other threads:[~2011-01-27 19:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 11:24 [PATCH] r8169: use RxFIFO overflow workaround for 8168c chipset Ivan Vecera
2011-01-27 11:27 ` Ivan Vecera
2011-01-27 14:32 ` Francois Romieu
2011-01-27 19:23 ` Ivan Vecera [this message]
[not found] ` <20110128172537.GA11064@electric-eye.fr.zoreil.com>
2011-01-28 17:28 ` Francois Romieu
2011-02-01 10:30 ` Ivan Vecera
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