[ath9k-devel] AR9385 suppor

[ath9k-devel] AR9385 suppor

[Daniel Golle]

Hi!
I'm currently playing with an AR9385 mini-PCIe module. From what I see 
in the code, support for 3T3R chips seems not ready yet.
I added the device-id and ath9k loads fine, identifies the card as 
AR9300 Rev.3 and scanning works, station mode works (but performance is 
pretty poor), AP seems to work in first place, but the driver complains
ath: Failed to stop TX DMA!
ath: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff 
DMADBG_7=0xffffffff
ath: Could not stop RX, we could be confusing the DMA engine when we 
start RX up
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: Chip reset failed
ath: Unable to reset channel (2427 MHz), reset status -22
ath: Unable to set channel
as soon as there is any serious traffic (i.e. ping and ssh works, 
measuring the available bandwidth with iperf produces the error, which 
then keeps repeating for ever until reloading the driver)
Ideas? Anyone knows what's missing to support that chip?

Thanks for the help!

Daniel

[ath9k-devel] AR9385 suppor

[Brian Prodoehl]

On Wed, Aug 10, 2011 at 3:07 PM, Daniel Golle <dgolle@allnet.de> wrote:
> Hi!
> I'm currently playing with an AR9385 mini-PCIe module. From what I see
> in the code, support for 3T3R chips seems not ready yet.
> I added the device-id and ath9k loads fine, identifies the card as
> AR9300 Rev.3 and scanning works, station mode works (but performance is
> pretty poor), AP seems to work in first place, but the driver complains
> ath: Failed to stop TX DMA!
> ath: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff
> DMADBG_7=0xffffffff
> ath: Could not stop RX, we could be confusing the DMA engine when we
> start RX up
> ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 !=
> 0x00000000
> ath: Chip reset failed
> ath: Unable to reset channel (2427 MHz), reset status -22
> ath: Unable to set channel
> as soon as there is any serious traffic (i.e. ping and ssh works,
> measuring the available bandwidth with iperf produces the error, which
> then keeps repeating for ever until reloading the driver)
> Ideas? Anyone knows what's missing to support that chip?

Are you running the latest compat-wireless?

[ath9k-devel] AR9385 suppor

[Gianni Costanzi]

I'm experiencing the same errors with my "Wistron DNMA92 Atheros
802.11a/b/g/n miniPCI wireless card"?too... I'm running Ubuntu Server
11.4
with kernel 2.6.38 and the latest compat wireless
(linux-backports-modules-cw-2.6.39-2.6.38-10-generic)... after
downloading some MBs of data from my home server the ath9k driver
starts complaining with these errors and it stops working... I've
created a background script that intercepts the error and restarts
hostapd, but this is only a workaround, not the solution... may it be
a problem related to the wireless driver?

   Gianni

On Wed, Aug 10, 2011 at 9:18 PM, Brian Prodoehl <bprodoehl@gmail.com> wrote:
>
> On Wed, Aug 10, 2011 at 3:07 PM, Daniel Golle <dgolle@allnet.de> wrote:
> > Hi!
> > I'm currently playing with an AR9385 mini-PCIe module. From what I see
> > in the code, support for 3T3R chips seems not ready yet.
> > I added the device-id and ath9k loads fine, identifies the card as
> > AR9300 Rev.3 and scanning works, station mode works (but performance is
> > pretty poor), AP seems to work in first place, but the driver complains
> > ath: Failed to stop TX DMA!
> > ath: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff
> > DMADBG_7=0xffffffff
> > ath: Could not stop RX, we could be confusing the DMA engine when we
> > start RX up
> > ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 !=
> > 0x00000000
> > ath: Chip reset failed
> > ath: Unable to reset channel (2427 MHz), reset status -22
> > ath: Unable to set channel
> > as soon as there is any serious traffic (i.e. ping and ssh works,
> > measuring the available bandwidth with iperf produces the error, which
> > then keeps repeating for ever until reloading the driver)
> > Ideas? Anyone knows what's missing to support that chip?
>
> Are you running the latest compat-wireless?
> _______________________________________________
> ath9k-devel mailing list
> ath9k-devel at lists.ath9k.org
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel



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