Re: [rtw88]: RTL8821CE report
- In reply to: Bjoern A. Zeeb: "Re: [rtw88]: RTL8821CE report"
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Date: Mon, 04 Apr 2022 04:44:58 UTC
On 2022 M04 4, Mon 02:30:18 EEST Bjoern A. Zeeb wrote: > On Sun, 3 Apr 2022, Oleg V. Nauman wrote: > > Hi, > > thanks a lot for testing and feedbac. > > > I have notebook with RTL8821CE pci adapter. My notebook running CURRENT > > updated today ( FreeBSD 14.0-CURRENT #15 main-n254247-dadb9c70938c-dirty ) > > > > rtw880@pci0:2:0:0: class=0x028000 rev=0x00 hdr=0x00 vendor=0x10ec > > device=0xc821 subvendor=0x1a3b subdevice=0x3040 > > > > vendor = 'Realtek Semiconductor Co., Ltd.' > > device = 'RTL8821CE 802.11ac PCIe Wireless Network Adapter' > > class = network > > > > RTL8821CE works if my notebook limited to hw.physmem="4G" but fails if > > limit removed. > > That is good news (even though obviously not yet the news we need). > > > Some additional details that I collected during my tests: > > > > a ) It loads firmware ane even able to attach/pass network traffic for > > some > > time when my notebook is not limited and use all of 20 GB of RAM but fails > > during the next few mins with "failed to get tx report from firmware" > > diagnostic > > > > Apr 3 08:49:57 sigill kernel: rtw880: successfully loaded firmware image > > 'rtw88/rtw8821c_fw.bin' > > Apr 3 08:49:57 sigill kernel: rtw880: Firmware version 24.8.0, H2C > > version 12 Apr 3 08:49:57 sigill kernel: rtw880: start vif > > 80:91:33:4b:4a:d1 on port 0 Apr 3 08:49:57 sigill kernel: rtw880: failed > > to get tx report from firmware Apr 3 08:49:57 sigill kernel: rtw880: sta > > 80:91:33:4b:4a:d1 joined with macid 0 > > Apr 3 08:49:57 sigill kernel: rtw880: failed to get tx report from > > firmware > > > > b ) It was stable and running without warnings/errors during at least half > > of hour while my notebook was limited to 4G > > > > ifconfig wlan2 output while not associated: > > > > wlan2: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 > > > > ether 80:91:33:4b:4a:d1 > > groups: wlan > > ssid "" channel 1 (2412 MHz 11b) > > regdomain FCC country US authmode OPEN privacy OFF txpower 30 bmiss > > 7 > > scanvalid 60 wme bintval 0 > > parent interface: rtw880 > > media: IEEE 802.11 Wireless Ethernet autoselect (autoselect) > > status: no carrier > > > > and negotiate 11g when associated > > Can you try: > > sysctl compat.linuxkpi.rtw88_pci_disable_aspm=1 > sysctl compat.linuxkpi.rtw88_disable_lps_deep=1 No it does not help, it stuck after very short period of network activity. To be precise: "network stuck after very short period of activity" happens when notebook is not limited to 4 GB When it is limited to 4 GB networking is fine ( well it was OK during at least 30 minutes of network activity ) > > and see if that gives you more stability (no "failed to get tx report from > firmware")? > > I can not report compat.linuxkpi.lkpi_pci_nseg1_fail though > > # sysctl compat.linuxkpi.lkpi_pci_nseg1_fail > > sysctl: unknown oid 'compat.linuxkpi.lkpi_pci_nseg1_fail' > > That one I jst comitted to CURRENT. I will try it tomorrow. > > > Please let me know if ou need some additional data. > > > > Thank you