Messages in this thread | | | Date | Mon, 26 Jun 2023 07:44:13 -0500 | Subject | Re: Fwd: After kernel 6.3.7 or 6.3.8 b43 driver fails | From | Sardonimous <> |
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On 6/25/23 18:05, Larry Finger wrote: > On 6/25/23 16:11, Sardonimous wrote: >> On 6/25/23 13:17, Larry Finger wrote: >> >>> On 6/25/23 13:12, Arnd Bergmann wrote: >>>> On Sun, Jun 25, 2023, at 18:58, Sardonimous wrote: >>>>> I have been unable to get DMA to work in the past. So I have been >>>>> configuring it with PIO=1 (/etc/modprobe,d/b43.conf): >>>>> >>>>> options b43 pio=1 qos=0 >>>>> >>>> >>>> I think the qos=0 parameter is what causes the WARN_ON(), as that >>>> causes the use of only one queue, while the warning happens when >>>> tx function iterates over all the queues and warns that they don't >>>> exist. >>> >>> I agree and suggest running with no options. If we need debug, we >>> can turn it on later. >>> >>> Larry >> >> Sure. Of course, this is what I started out with years ago (2017?) >> when I was trying to get this to work. >> >> Now: >> Linux version 6.3.9-arch1-1 (linux@archlinux) (gcc (GCC) 13.1.1 >> 20230429, GNU ld (GNU Binutils) 2.40.0) #1 SMP PREEMPT_DYNAMIC Wed, >> 21 Jun 2023 20:46:20 +0000 >> >> This is the sort of loop I get (dmesg | grep b43): >> >> [ 31.979539] b43-pci-bridge 0000:02:00.0: Sonics Silicon Backplane >> found on PCI device 0000:02:00.0 >> [ 35.239389] b43-phy0: Broadcom 4322 WLAN found (core revision 16) >> [ 35.275018] b43-phy0: Found PHY: Analog 8, Type 4 (N), Revision 4 >> [ 35.275046] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2056, >> Revision 3, Version 0 >> [ 66.890631] b43-phy0: Loading firmware version 784.2 (2012-08-15 >> 21:35:19) >> [ 67.437162] b43-phy0 ERROR: DMA RX reset timed out >> [ 67.498976] b43 ssb0:0: Timeout waiting for bitmask 01800000 on >> register 0F90 to clear >> [ 67.707177] b43-phy0: Loading firmware version 784.2 (2012-08-15 >> 21:35:19) >> [ 391.127300] b43-phy0 ERROR: DMA RX reset timed out >> [ 391.360514] b43-phy0 ERROR: DMA TX reset timed out >> [ 391.382127] b43 ssb0:0: Timeout waiting for bitmask 01800000 on >> register 0F90 to clear >> [ 391.590659] b43-phy0: Loading firmware version 784.2 (2012-08-15 >> 21:35:19) >> [ 709.123840] b43-phy0 ERROR: DMA RX reset timed out >> [ 709.357235] b43-phy0 ERROR: DMA TX reset timed out >> [ 709.378623] b43 ssb0:0: Timeout waiting for bitmask 01800000 on >> register 0F90 to clear >> [ 709.573851] b43-phy0: Loading firmware version 784.2 (2012-08-15 >> 21:35:19) > > Sardonimous, > > Did it ever work with DMA. or was PIO the only way to get it to work?
No, I never got it to work without specifying PIO=1.
> If you add in only the pio=1 option without qos, will it work?
In this case, authentication to the router fails.
[ 31.021510] b43-pci-bridge 0000:02:00.0: Sonics Silicon Backplane found on PCI device 0000:02:00.0 [ 33.889890] b43-phy0: Broadcom 4322 WLAN found (core revision 16) [ 33.925016] b43-phy0: Found PHY: Analog 8, Type 4 (N), Revision 4 [ 33.925053] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2056, Revision 3, Version 0 [ 63.863977] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19) [ 64.170661] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance. [ 64.550635] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19) [ 64.847342] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance. [ 90.247286] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19) [ 90.514031] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance. [ 91.263462] wlan0: authenticate with 0c:80:63:26:16:b5 [ 91.551389] wlan0: send auth to 0c:80:63:26:16:b5 (try 1/3) [ 91.551916] wlan0: authenticated [ 91.553776] wlan0: associate with 0c:80:63:26:16:b5 (try 1/3) [ 91.554656] wlan0: RX AssocResp from 0c:80:63:26:16:b5 (capab=0x11 status=0 aid=9) [ 91.554883] wlan0: associated [ 99.619556] wlan0: deauthenticated from 0c:80:63:26:16:b5 (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 100.348068] wlan0: authenticate with 0c:80:63:26:16:b4 [ 100.640896] wlan0: send auth to 0c:80:63:26:16:b4 (try 1/3) [ 100.647930] wlan0: authenticated [ 100.653778] wlan0: associate with 0c:80:63:26:16:b4 (try 1/3) [ 100.654653] wlan0: RX AssocResp from 0c:80:63:26:16:b4 (capab=0x11 status=0 aid=9) [ 100.654884] wlan0: associated [ 108.717245] wlan0: deauthenticated from 0c:80:63:26:16:b4 (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 109.267996] wlan0: authenticate with 0c:80:63:26:16:b6 [ 109.767538] wlan0: send auth to 0c:80:63:26:16:b6 (try 1/3) [ 109.769105] wlan0: authenticated [ 109.773778] wlan0: associate with 0c:80:63:26:16:b6 (try 1/3) [ 109.776774] wlan0: RX AssocResp from 0c:80:63:26:16:b6 (capab=0x431 status=0 aid=3) [ 109.777254] wlan0: associated [ 116.001372] wlan0: deauthenticating from 0c:80:63:26:16:b6 by local choice (Reason: 3=DEAUTH_LEAVING) [ 126.612857] wlan0: authenticate with 0c:80:63:26:16:b5 [ 127.234092] wlan0: send auth to 0c:80:63:26:16:b5 (try 1/3) [ 127.234734] wlan0: authenticated [ 127.237108] wlan0: associate with 0c:80:63:26:16:b5 (try 1/3) [ 127.238173] wlan0: RX AssocResp from 0c:80:63:26:16:b5 (capab=0x11 status=0 aid=9) [ 127.238410] wlan0: associated [ 136.279232] wlan0: deauthenticated from 0c:80:63:26:16:b5 (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 136.991245] wlan0: authenticate with 0c:80:63:26:16:b4 [ 137.254104] wlan0: send auth to 0c:80:63:26:16:b4 (try 1/3) [ 137.254645] wlan0: authenticated [ 137.260507] wlan0: associate with 0c:80:63:26:16:b4 (try 1/3) [ 137.261447] wlan0: RX AssocResp from 0c:80:63:26:16:b4 (capab=0x11 status=0 aid=9) [ 137.261699] wlan0: associated [ 141.001670] wlan0: deauthenticating from 0c:80:63:26:16:b4 by local choice (Reason: 3=DEAUTH_LEAVING) [ 141.081565] wlan0: authenticate with 0c:80:63:26:16:b4 [ 141.117429] wlan0: send auth to 0c:80:63:26:16:b4 (try 1/3) [ 141.117979] wlan0: authenticated [ 141.123927] wlan0: associate with 0c:80:63:26:16:b4 (try 1/3) [ 141.124662] wlan0: RX AssocResp from 0c:80:63:26:16:b4 (capab=0x11 status=0 aid=9) [ 141.124895] wlan0: associated [ 149.240176] wlan0: deauthenticated from 0c:80:63:26:16:b4 (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 166.273957] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19) [ 166.577378] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance. [ 177.507291] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19) [ 177.780745] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance.If I were to send you some test patches, could you create a kernel with them applied?
Doubtful.
> Larry
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