Search Linux Wireless

Re: rtw8822cu (LM842) stalls when running HW offload scan

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jun 12, 2023 at 03:30:23PM +0200, petter@xxxxxxxxxx wrote:
> Some time ago https://bugzilla.kernel.org/show_bug.cgi?id=217034 was
> created. From the beginning it was just about some error printouts.
> Then Andreas (who created the bug report) mentioned that it seems to
> work worse after bumping the firmware to > 9.9.10. After some fixes
> from Sascha the error printouts dissappeared. But when I also started
> to run this using firmware > 9.9.10 I also got problems. On my i.MX8
> and RPi4 board it works fine, but on some of my less powerful boards
> such as and older RPi and my i.MX6 SoloX board, it always fails using
> 9.9.10 firmware. After some digging in the git log, I discovered
> that HW scan offload was introduced in a later firmware. So when I
> disable HW offload scan it seems to work again on all my boards. But
> still I want to understand why the HW offload scan don't work for
> me.

Could it be that the number of CPU cores makes the difference? Can you
try with maxcpus=1 on your boards with more than one CPU?

I have a i.MX6s board here that I can use to try to reproduce your
problem in the meantime.

Sascha

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux