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Date:   Wed, 19 May 2021 21:00:34 +0000
To:     Larry Finger <Larry.Finger@lwfinger.net>,
        "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 Monday, May 10, 2021 4:49 PM, rtl8821cerfe2 <rtl8821cerfe2@protonmail.co=
m> wrote:

&gt; On Monday, May 10, 2021 3:06 PM, rtl8821cerfe2 rtl8821cerfe2@protonmai=
l.com wrote:
&gt;
&gt; &gt; On Monday, May 10, 2021 4:16 AM, Larry Finger Larry.Finger@lwfing=
er.net wrote:
&gt; &gt;
&gt; &gt; &gt; The only splat that shows in either attachment is due to you=
 not installing the
&gt; &gt; &gt; regulatory database that sets the channels etc. for your dom=
ain. I do not know
&gt; &gt; &gt; what it is called for your distro - it is wireless-regdb on =
mine. It is unlikely
&gt; &gt; &gt; that this is the cause of your problem, but who knows?
&gt; &gt; &gt; Larry
&gt; &gt;
&gt; &gt; I installed the wireless-regdb package. The error message about
&gt; &gt; regulatory.db went away, but the system still froze.
&gt; &gt; I'll try the rtw_core parameter disable_lps_deep=3D1 now.
&gt;
&gt; disable_lps_deep=3D1 did not help.

The patch set called "rtw88: add scan notify to firmware and refine fw_feat=
ure check" may have fixed this problem. I've been running commit 6ccdad5a58=
e18eac6b1335f05f94bf2b36146e00 from lwfinger/rtw88 for 3 days now with no f=
reeze. It was impossible to go more than a few hours without a freeze befor=
e these patches.