Re: [rtw88]: RTL8821CE report
- Reply: Oleg V. Nauman: "Re: [rtw88]: RTL8821CE report"
- In reply to: Oleg V. Nauman: "[rtw88]: RTL8821CE report"
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Date: Sun, 03 Apr 2022 23:30:18 UTC
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 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. > Please let me know if ou need some additional data. > > Thank you > > > -- Bjoern A. Zeeb r15:7