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From: Ivo van Doorn <ivdoorn@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	John Linville <linville@tuxdriver.com>
Subject: Re: mac80211 deadlock detection triggering with rt61pci
Date: Fri, 18 Jul 2008 21:20:47 +0200	[thread overview]
Message-ID: <200807182120.47252.IvDoorn@gmail.com> (raw)
In-Reply-To: <1216197369.3422.5.camel@johannes.berg>

Hi,

> I'm not sure whether this still happens in current versions or not, but
> kerneloops is reporting a number of mac80211 warnings due to the TX
> deadlock detection:
> http://www.kerneloops.org/searchweek.php?search=ieee80211_master_start_xmit
> 
> The rt2x00 mac code seems fine, did it change recently which could
> explain this warning triggering?

Interesting, the TX code did change for 2.6.27 recently with the DMA changes
by GertJan, I think the Fedora kernels which are showing the above panics already
contain those patches,

John, Does Fedora kernel 2.6.25.10-86.fc9.x86_64 contain rt2x00 2.1.8?

I also have some reports about a queue corruption in rt61pci and although I haven't
figured out how that corruption is caused, I do think the above panics might somehow
be related.

Thanks for the report,

Ivo

  reply	other threads:[~2008-07-18 19:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-16  8:36 mac80211 deadlock detection triggering with rt61pci Johannes Berg
2008-07-18 19:20 ` Ivo van Doorn [this message]
2008-07-19 14:47   ` Ivo van Doorn
2008-07-19 17:42     ` Johannes Berg
2008-07-21 13:05       ` Ivo van Doorn

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