From: Ben Greear <greearb@candelatech.com>
To: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Cc: NetDev <netdev@vger.kernel.org>
Subject: Re: ixgbe funkiness after OOM
Date: Tue, 08 Dec 2009 22:57:49 -0800 [thread overview]
Message-ID: <4B1F4A6D.1000200@candelatech.com> (raw)
In-Reply-To: <1260341240.2239.18.camel@localhost>
On 12/08/2009 10:47 PM, Peter P Waskiewicz Jr wrote:
>> At this point, there is 8GB of free RAM, and no obvious OOM issues showing up in the logs.
>>
>> It looks like error -12 means:
>>
>> IXGBE_ERR_MASTER_REQUESTS_PENDING
>>
>
> We have a fix coming for this issue. Basically we have PCIe
> transactions that haven't completed when a reset shows up, and are
> wedged in the PCIe block. We have a way to whack the hardware the right
> way to get these pending transactions cleared, which allows the device
> to finish its reset correctly.
>
> I'll try and get that patch fast-tracked through our testing. But if
> this issue is easily reproducible for you, I can send you the patch in
> the meantime to see if it helps your situation, while we finish our test
> pass and push to netdev.
I've had several other NIC lockups that appear similar, but I didn't
look at them so closely. I'd be happy to test a patch if you have
one handy.
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
prev parent reply other threads:[~2009-12-09 6:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-09 0:12 ixgbe funkiness after OOM Ben Greear
2009-12-09 6:47 ` Peter P Waskiewicz Jr
2009-12-09 6:57 ` Ben Greear [this message]
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