From: Larry Finger <Larry.Finger@lwfinger.net>
To: "Michael Büsch" <mb@bu3sch.de>
Cc: b43-dev <b43-dev@lists.infradead.org>,
wireless <linux-wireless@vger.kernel.org>
Subject: b43 error under heavy load
Date: Mon, 22 Nov 2010 13:12:21 -0600 [thread overview]
Message-ID: <4CEAC095.7020706@lwfinger.net> (raw)
In-Reply-To: <1290451982.20888.2.camel@maggie>
On 11/22/2010 12:53 PM, Michael B?sch wrote:
> On Mon, 2010-11-22 at 12:41 -0600, Larry Finger wrote:
>> Under heavy load with multiple streams, I'm getting errors from my BCM4312
>> (14e4:4315) device as follows:
>>
>> b43-phy0 debug: TX-status contains invalid cookie: 0x0D4D
>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 76
>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 78
>> (and continues).
>>
>> Clearly that cookie is garbage as it has a slot number of 0. Any suggestions on
>> diagnostic information that I could dump to help debug this?
>
> I think that probably is a firmware or hardware bug. The affected
> kernel code was not changed in years, as far as I know.
Thanks. I'll see if I can figure out a way for the driver to recover more
gracefully. In the meantime, I will be dumping the entire TX status struct to
see if that helps in seeing what is wrong.
Larry
WARNING: multiple messages have this Message-ID (diff)
From: Larry Finger <Larry.Finger@lwfinger.net>
To: "Michael Büsch" <mb@bu3sch.de>
Cc: b43-dev <b43-dev@lists.infradead.org>,
wireless <linux-wireless@vger.kernel.org>
Subject: Re: b43 error under heavy load
Date: Mon, 22 Nov 2010 13:12:21 -0600 [thread overview]
Message-ID: <4CEAC095.7020706@lwfinger.net> (raw)
In-Reply-To: <1290451982.20888.2.camel@maggie>
On 11/22/2010 12:53 PM, Michael Büsch wrote:
> On Mon, 2010-11-22 at 12:41 -0600, Larry Finger wrote:
>> Under heavy load with multiple streams, I'm getting errors from my BCM4312
>> (14e4:4315) device as follows:
>>
>> b43-phy0 debug: TX-status contains invalid cookie: 0x0D4D
>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 76
>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 78
>> (and continues).
>>
>> Clearly that cookie is garbage as it has a slot number of 0. Any suggestions on
>> diagnostic information that I could dump to help debug this?
>
> I think that probably is a firmware or hardware bug. The affected
> kernel code was not changed in years, as far as I know.
Thanks. I'll see if I can figure out a way for the driver to recover more
gracefully. In the meantime, I will be dumping the entire TX status struct to
see if that helps in seeing what is wrong.
Larry
next prev parent reply other threads:[~2010-11-22 19:12 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-22 18:41 b43 error under heavy load Larry Finger
2010-11-22 18:53 ` Michael Büsch
2010-11-22 18:53 ` Michael Büsch
2010-11-22 19:12 ` Larry Finger [this message]
2010-11-22 19:12 ` Larry Finger
2011-05-10 5:08 ` Rafał Miłecki
2011-05-10 5:08 ` Rafał Miłecki
2011-05-10 18:34 ` Larry Finger
2011-05-10 18:34 ` Larry Finger
2011-05-10 21:19 ` Rafał Miłecki
2011-05-10 21:19 ` Rafał Miłecki
2011-06-01 9:23 ` Rafał Miłecki
2011-06-01 9:23 ` Rafał Miłecki
2011-06-01 9:24 ` Rafał Miłecki
2011-06-01 9:24 ` Rafał Miłecki
2011-06-01 10:48 ` Chris Vine
2011-06-01 10:48 ` Chris Vine
2011-06-01 10:56 ` Rafał Miłecki
2011-06-01 10:56 ` Rafał Miłecki
2011-06-01 12:08 ` Chris Vine
2011-06-01 12:08 ` Chris Vine
2011-06-01 12:25 ` Rafał Miłecki
2011-06-01 12:25 ` Rafał Miłecki
2011-06-01 15:01 ` Chris Vine
2011-06-01 15:01 ` Chris Vine
2011-06-01 15:42 ` Rafał Miłecki
2011-06-01 15:42 ` Rafał Miłecki
2011-06-01 17:49 ` Chris Vine
2011-06-01 17:49 ` Chris Vine
2011-06-01 18:03 ` Rafał Miłecki
2011-06-01 18:03 ` Rafał Miłecki
2011-06-01 18:09 ` Chris Vine
2011-06-01 18:09 ` Chris Vine
2011-06-01 18:10 ` Rafał Miłecki
2011-06-01 18:10 ` Rafał Miłecki
2011-07-26 9:28 ` Chris Vine
2011-07-26 9:28 ` Chris Vine
2011-08-14 11:10 ` Rafał Miłecki
2011-08-14 11:10 ` Rafał Miłecki
2011-08-14 11:11 ` Rafał Miłecki
2011-08-14 11:11 ` Rafał Miłecki
2011-08-14 20:46 ` Chris Vine
2011-08-14 20:46 ` Chris Vine
2011-08-14 20:54 ` Rafał Miłecki
2011-08-14 20:54 ` Rafał Miłecki
2011-08-14 21:19 ` Chris Vine
2011-08-14 21:19 ` Chris Vine
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