Messages in this thread | | | Date | Tue, 15 Mar 2011 13:59:46 -0700 | From | "Luis R. Rodriguez" <> | Subject | Re: <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696 |
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On Wed, Mar 09, 2011 at 04:05:02PM -0800, Bob Copeland wrote: > On Wed, Mar 09, 2011 at 03:54:24PM -0600, Christoph Lameter wrote: > > [ 7419.322770] wlan0: associated > > [ 7427.161366] ath: Failed to stop TX DMA in 100 msec after killing last frame > > [ 7427.161432] ath: Failed to stop TX DMA! > > [ 7434.492398] ath: Failed to stop TX DMA in 100 msec after killing last frame > > [ 7434.492462] ath: Failed to stop TX DMA! > > [ 7603.339047] > > ============================================================================= > > [ 7603.339053] BUG radix_tree_node: Padding overwritten. 0xffff88000008fe00-0xffff88000008fe32 > > > Could the ath driver corrupt memory if the TX DMA cannot be stopped?
Yes, this is why we have had a series of patches to address this upstream, the latest one was for RX DMA failing to stop but Felix found a fix for that. Apart from that I am not aware of more issues. Can you please try with wireless-testing.git ?
Luis
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