Re: "Alder Lake work-around" (was Re: [Bug 268687] rtwn_usb fails after reset triggered when running ssh)

From: parv/FreeBSD <parv.0zero9+freebsd_at_gmail.com>
Date: Sun, 01 Jan 2023 04:43:16 UTC
On Sat, Dec 31, 2022 at 6:40 PM Kevin Oberman wrote:

Hi Kevin,

Yes.
>

Ah, thanks.



> The final fix was actually committed about two hour before I opened the
> ticket. I just finished building and will be installing the new kernel
> before the year ends.It i quite similar to KIB's original fix that I was
> referring to.
>
> I have been running KIB's patch for over a month with no problems... all
> cores enabled and the pmap enabled.
>

Oh, that is good to note. Thank you for testing for me/rest of us.

Happy New Year!


- parv



> On Sat, Dec 31, 2022 at 6:40 PM parv/FreeBSD wrote:
>
>> On Sat, Dec 31, 2022 at 3:15 PM bugzilla-noreply wrote:
>>
>>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268687
>>>
>>>             Bug ID: 268687
>>>            Summary: rtwn_usb fails after reset triggered when running ssh
>>>
>> ...
>>
>>> FreeBSD ptavv 14.0-CURRENT FreeBSD 14.0-CURRENT #4
>>> main-n259888-701b36961cbd-dirty: Thu Dec 29 22:08:49 PST 2022
>>> root@ptavv:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
>>>
>>> Running on an Alder Lake i5-1235U with the Alder Lake work-around .
>>>
>>
>> Sorry, what is this "Alder Lake work-around"?
>> Is this thing where Intel E-cores are disabled/turned off & P-cores remain
>> enabled/turned on? Is there anything more involved?
>>
>