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Date:   Tue, 25 May 2021 10:39:28 +0000
To:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
From:   rtl8821cerfe2 <rtl8821cerfe2@protonmail.com>
Reply-To: rtl8821cerfe2 <rtl8821cerfe2@protonmail.com>
Subject: Re: rtw88: Guaranteed system freeze with RTL8821CE with RFE 2 type
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On Thursday, May 20, 2021 8:51 AM, Larry Finger <Larry.Finger@lwfinger.net>=
 wrote:

> On 5/19/21 4:00 PM, rtl8821cerfe2 wrote:
>
> > On Monday, May 10, 2021 4:49 PM, rtl8821cerfe2 rtl8821cerfe2@protonmail=
.com wrote:
> > > On Monday, May 10, 2021 3:06 PM, rtl8821cerfe2 rtl8821cerfe2@protonma=
il.com wrote:
> > >
> > > > On Monday, May 10, 2021 4:16 AM, Larry Finger Larry.Finger@lwfinger=
.net wrote:
> > > >
> > > > > The only splat that shows in either attachment is due to you not =
installing the
> > > > > regulatory database that sets the channels etc. for your domain. =
I do not know
> > > > > what it is called for your distro - it is wireless-regdb on mine.=
 It is unlikely
> > > > > that this is the cause of your problem, but who knows?
> > > > > Larry
> > > >
> > > > I installed the wireless-regdb package. The error message about
> > > > regulatory.db went away, but the system still froze.
> > > > I'll try the rtw_core parameter disable_lps_deep=3D1 now.
> > >
> > > disable_lps_deep=3D1 did not help.
> > The patch set called "rtw88: add scan notify to firmware and refine fw_=
feature check" may have fixed this problem. I've been running commit 6ccdad=
5a58e18eac6b1335f05f94bf2b36146e00 from lwfinger/rtw88 for 3 days now with =
no freeze. It was impossible to go more than a few hours without a freeze b=
efore these patches.
>
> Sounds good. I will keep porting the patches submitted to wreless-drivers=
-next
> to the rtw88 repo at GitHub. I have no idea why this would preclude a sys=
tem
> freeze, but the Realtek guys might.
>
> Larry

I spoke too soon. It does still freeze even with that patch set.