Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-09-11 Thread Kunal Gangakhedkar
Hi Sujith, Any update on this problem? I tried it on .31-rc9 (using ubuntu's ubuntu-karmic.git - which is rebased to -rc9) again, and the problem still exists. As I mentioned earlier, the driver absolutely drops the WLAN connection when subjected to network IO (apparently, anything 10MiB cannot

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-20 Thread Kunal Gangakhedkar
On Wednesday 19 Aug 2009 9:21:13 am Sujith wrote: Kunal Gangakhedkar wrote: Any way we can help debug this issue? It gets really annoying when the driver goes berserk in the middle of a big file transfer - even on LAN. :( rmmod'ing and modprobe'ing the driver again seems to get it

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-18 Thread Pavel Roskin
On Tue, 2009-08-18 at 23:46 +0530, Kunal Gangakhedkar wrote: Note that Michael noticed the performance degradation. That's another target for bisection, whether it's related or not. Any way we can help debug this issue? It gets really annoying when the driver goes berserk in the middle of

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-18 Thread Pavel Roskin
On Tue, 2009-08-18 at 14:07 -0700, Luis R. Rodriguez wrote: On Tue, Aug 18, 2009 at 2:04 PM, Pavel Roskinpro...@gnu.org wrote: On Tue, 2009-08-18 at 23:46 +0530, Kunal Gangakhedkar wrote: Note that Michael noticed the performance degradation. That's another target for bisection, whether

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-18 Thread Pavel Roskin
On Tue, 2009-08-18 at 14:24 -0700, Luis R. Rodriguez wrote: Anyway, why is it better for bisecting? Because to help developers not have to do: git branch -m poo git checkout -b master origin/master # Then apply patches manually Instead of the better rebasing: git branch -m

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-18 Thread Sujith
Kunal Gangakhedkar wrote: Any way we can help debug this issue? It gets really annoying when the driver goes berserk in the middle of a big file transfer - even on LAN. :( rmmod'ing and modprobe'ing the driver again seems to get it working; but, as the network load increases, the driver

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-13 Thread Kunal Gangakhedkar
Seems to be happening with AR9285 in my HP laptop as well. I was about to write a msg to this list with the same performance issues when I saw this thread. Kunal On Thursday 13 Aug 2009 10:51:54 am Sujith wrote: Pavel Roskin wrote: sync_cause is always 0x2000 when that message is printed,

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-12 Thread Pavel Roskin
On Thu, 2009-08-13 at 09:24 +0530, Sujith wrote: The commit which exposed this message was: ath9k: Change DEBUG level for certain interrupt Yes, I found that already. This error message was suppressed all these days. Not sure as to why this is being generated in such large numbers. Still

Re: [ath9k-devel] Disconnect problem (DMA failed to stop in 10 ms)

2009-08-12 Thread Pavel Roskin
On Thu, 2009-08-13 at 10:51 +0530, Sujith wrote: Pavel Roskin wrote: sync_cause is always 0x2000 when that message is printed, so there are no other causes. SYNC_LOCAL_TIMEOUT is generated when the PCIe core hangs, unable to complete a DMA transfer. I am able to see this with 9280, 9281