greearb@xxxxxxxxxxxxxxx wrote: > My wave-1 firmware often crashes when I am bringing down > AP vdevs, and sometimes at least some machines lockup hard > after spewing IOMMU errors. > > I don't see the same issue in STA mode, so I suspect beacons > are the issue. > > Moving the beacon buf deletion to later in the vdev teardown > logic appears to help this problem. Firmware still crashes > often, but several iterations did not show IOMMU errors and > machine didn't hang. > > Tested hardware: QCA9880 > Tested firmware: ath10k-ct from beginning of 2019, exact version unknown > > Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. b3281c6cb768 ath10k: free beacon buf later in vdev teardown -- https://patchwork.kernel.org/patch/10831867/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
