* Re: ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x00000020
[not found] <9c8bade79e471eb0576625586eef7d31.squirrel@vimassive.net>
@ 2009-12-25 16:38 ` Bernie Innocenti
0 siblings, 0 replies; only message in thread
From: Bernie Innocenti @ 2009-12-25 16:38 UTC (permalink / raw)
To: andy; +Cc: netdev
On Fri, 2009-12-25 at 10:52 -0500, Andy Gussie wrote:
> I am having this same issue with a ACER 5517-5086 labtop computer. It
> seems like when I start downloading files (high network utilization)
> the network connection drops and network manager keeps requesting
> reconnection password.
> has any one been able to figure out what is causing this issue? Is
> there a fix?
I installed an updated ath9k driver from compat-wireless-2.6.32-rc7, and
the problem disappeared. Now I've been running for a few weeks without
any issue.
The fix, whatever it is, does not seem to have made it to the official
2.6.32 or the Fedora kernel.
> Dmesg
> ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024
> AR_DIAG_SW=0x00000020
>
> lspci -vnn
>
> 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9285
> Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
> Subsystem: Foxconn International, Inc. Device [105b:e016]
> Flags: bus master, fast devsel, latency 0, IRQ 16
> Memory at 91100000 (64-bit, non-prefetchable) [size=64K]
> Capabilities: <access denied>
> Kernel driver in use: ath9k
> Kernel modules: ath9k
>
> ubuntu 9.10
>
> uname -a
> Linux sheba 2.6.31-16-generic #53-Ubuntu SMP Tue Dec 8 04:01:29 UTC 2009 i686 GNU/Linux
--
// Bernie Innocenti - http://codewiz.org/
\X/ Sugar Labs - http://sugarlabs.org/
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