ath10k; QCA9984 firmware crash

Ben Greear greearb at
Fri Dec 1 10:05:43 PST 2017

On 11/30/2017 09:23 AM, Ben Greear wrote:
> On 11/30/2017 09:04 AM, Ansuel Smith wrote:
>> had this crash when restarting 5ghz wireless. Very bad performance and
>> stability on a netgear r7800. Near wifi are on different channel, with
>> old kernel 4.4 there were no issue. With the new kernel 4.9 i have
>> this kind of problem and a bandwidth of max 20-30 mbps. Can make any
>> test as for now i can't use it due to this problem. (Running lede with
>> latest commit)
> I'd be curious if the ath10k-ct driver and firmware worked better
> for you?  Should be easily selectable in LEDE.
> Thanks,
> Ben

In case any QCA firmware devs are watching this...the crash in the firmware
seems to be because a peer is being deleted while in power-save mode,
and the send-n logic asserts.

I think I have a fix for this for my firmware, but that does not explain
the other problems that this user sees regarding  descriptor corruption


Ben Greear <greearb at>
Candela Technologies Inc

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