From: David Miller <davem@davemloft.net>
To: masbock@us.ibm.com
Cc: netdev@vger.kernel.org
Subject: Re: BNX2X driver: kernel panic when running netperf
Date: Tue, 16 Oct 2007 16:49:38 -0700 (PDT) [thread overview]
Message-ID: <20071016.164938.66177554.davem@davemloft.net> (raw)
In-Reply-To: <1192577680.5730.12.camel@w-amax.beaverton.ibm.com>
From: Max Asbock <masbock@us.ibm.com>
Date: Tue, 16 Oct 2007 16:34:40 -0700
> I tested the bnx2x driver (0001-BNX2X-0.40.10a-net-2.6.24.patch) with
> netdev-2.6.24 git tree and found that I can reproducibly panic the
> system when running netperf with the TCP_STREAM test.
> I copied the following information from the panic message:
> RIP: 0xc02fff32
> net_rx_action +0x142/0x190
The driver is doing netif_rx_complete() yet returning a value from
->poll() which is >= budget, which is illegal.
We had to fix a similar bug in the tg3 and bnx2 drivers, the same
logic probably just propagated itself into bnx2x.
next prev parent reply other threads:[~2007-10-16 23:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-16 23:34 BNX2X driver: kernel panic when running netperf Max Asbock
2007-10-16 23:49 ` David Miller [this message]
2007-10-17 11:46 ` Eliezer Tamir
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