8 p.m.
Here is more debug information:
# lsmod
Module Size Used by
option 45056 0
usb_wwan 20480 1 option
usbserial 36864 2 option,usb_wwan
mwifiex_sdio 36864 0
mwifiex 282624 1 mwifiex_sdio
evbug 16384 0
# dmesg | grep mwifiex
[ 34.511371] mwifiex_sdio mmc0:0001:1: info: FW download over, size
258680 bytes
[ 34.788787] mwifiex_sdio mmc0:0001:1: WLAN FW is active
[ 34.873196] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x242 error, result=0x2
[ 34.880490] mwifiex_sdio mmc0:0001:1: mwifiex_process_cmdresp: cmd
0x242 failed during initialization
[ 35.143577] mwifiex_sdio mmc0:0001:1: info: MWIFIEX VERSION:
mwifiex 1.0 (14.68.36.p60)
[ 35.152105] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
(14.68.36.p60)
[ 59.004255] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 85.976707] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 166.949603] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 409.846886] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 709.774170] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 1009.659982] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 1309.572448] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 1609.481624] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 1909.370729] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 2209.279569] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 2509.170356] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 2809.085551] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3108.989242] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3348.887201] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3375.844143] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3456.825648] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3699.809750] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3699.952233] mwifiex_sdio mmc0:0001:1: info: trying to associate to
'Centaur24GRouter1' bssid 68:ff:7b:3e:d4:24
[ 3700.025358] mwifiex_sdio mmc0:0001:1: info: associated to bssid
68:ff:7b:3e:d4:24 successfully
[ 3706.132761] mwifiex_sdio mmc0:0001:1: info: successfully
disconnected from 68:ff:7b:3e:d4:24: reason code 15
[ 3717.123970] mwifiex_sdio mmc0:0001:1: info: trying to associate to
'Centaur24GRouter1' bssid 68:ff:7b:3e:d4:24
[ 3717.441578] mwifiex_sdio mmc0:0001:1: info: associated to bssid
68:ff:7b:3e:d4:24 successfully
[ 3723.543587] mwifiex_sdio mmc0:0001:1: info: successfully
disconnected from 68:ff:7b:3e:d4:24: reason code 15
[ 3727.794640] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3736.782236] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3763.809277] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 3844.811545] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 4087.803951] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 4387.748929] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 4687.718771] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 4987.705092] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 5287.646353] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 5587.643812] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[ 5753.760955] mwifiex_sdio mmc0:0001:1: info: trying to associate to
'Centaur24GRouter1' bssid 68:ff:7b:3e:d4:24
[ 5753.838800] mwifiex_sdio mmc0:0001:1: info: associated to bssid
68:ff:7b:3e:d4:24 successfully
[ 5754.162917] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x23f error, result=0x2
[ 5848.971534] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x23f error, result=0x2
[19611.826761] mwifiex_sdio mmc0:0001:1: info: successfully
disconnected from 68:ff:7b:3e:d4:24: reason code 3
[19654.931976] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[19686.885717] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[19713.896301] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[19794.907957] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20037.947625] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20337.974674] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20637.962485] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20716.944299] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20743.951609] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[20824.989582] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[21068.022269] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[21367.979313] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[21667.945929] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[21967.964944] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[22267.953450] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[22567.955314] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[22867.961508] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[23168.000460] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[23468.005767] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[23676.996473] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
[23703.958751] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
Where is the WiFi driver? Please let me know if you need more debug information.
Thank you.
Kind regards,
- jh
On 2/4/20, JH <jupiter.hce(a)gmail.com> wrote:
> Hi,
>
> I am running kernel 4.19.75 on iMX6, the WiFi was working most of
> time, but from time to time, the connman could not get WiFi be
> connected due to following error:
>
> [23703.958751] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
> Invalid Sched_scan parameters
>
> What does that error means, in which circumstance it occurred? How can
> we prevent it?
>
> Thank you.
>
> Kind regards,
>
> - jh
>
11:14 p.m.
Hi JH,
On Tue, Feb 04, 2020 at 04:00:54PM +1100, JH wrote:
[23703.958751] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
Invalid Sched_scan parameters
Where is the WiFi driver? Please let me know if you need more debug information.
linux/drivers/net/wireless/marvell/mwifiex
> I am running kernel 4.19.75 on iMX6, the WiFi was working most
of
> time, but from time to time, the connman could not get WiFi be
> connected due to following error:
>
> [23703.958751] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start :
> Invalid Sched_scan parameters
>
> What does that error means, in which circumstance it occurred? How can
> we prevent it?
The 'Invalid Sched_scan parameters' indicates, wpa_supplicant is
providing the wrong parameters. Best thing is to monitor between
wpa_supplicant and kernel the netlink messages. iwmon is an excellent
tool for this.
Thanks,
Daniel
2:08 a.m.
Hi Daniel,
On 2/4/20, Daniel Wagner <wagi(a)monom.org> wrote:
The 'Invalid Sched_scan parameters' indicates, wpa_supplicant
is
providing the wrong parameters. Best thing is to monitor between
wpa_supplicant and kernel the netlink messages. iwmon is an excellent
tool for this.
Thanks for the tip, I did not realize that connman is actually heavily
relied on wpa_supplicant, if I restarted wpa_supplicant, most of time
it popped up mwifiex_sdio messages, then the WiFi could be up:
$ systemctl restart wpa_supplicant
[ 371.617417] mwifiex_sdio mmc0:0001:1: info: 2
[ 371.647545] mwifiex_sdio mmc0:0001:1: info: associated to bssid 34:08:04:12:y
[ 371.726667] IPv6: ADDRCONF(NETDEV_CHANGE): mlan0: link becomes ready
[ 371.772758] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x23f error, result=0x2
But sometime when I restated wpa_supplicant, that message did not
come, the WiFi network was still down.
How is mwifiex_sdio related to wpa_supplicant?
Why it is nondeterministic, sometime restart wpa_supplicant could
bring mwifiex_sdio and WiFi up, something it couldn't?
I think mwifiex_sdio is the lowest layer to interact to WiFi modem, in
which circumstance it could bring WiFi modem up and in which
circumstance it couldn't?
That is far too unstable, I always thought I could rely on connman for
WiFi connection stability, but it seems that beyond connman capacity,
so what I can do when the WiFi is not up when restart wpa_supplicant
could not fix it?
Thank you very much Daniel.
Kind regards,
- jh
4:14 a.m.
On Thu, Feb 06, 2020 at 10:08:16PM +1100, JH wrote:
On 2/4/20, Daniel Wagner <wagi(a)monom.org> wrote:
> The 'Invalid Sched_scan parameters' indicates, wpa_supplicant is
> providing the wrong parameters. Best thing is to monitor between
> wpa_supplicant and kernel the netlink messages. iwmon is an excellent
> tool for this.
Thanks for the tip, I did not realize that connman is actually heavily
relied on wpa_supplicant, if I restarted wpa_supplicant, most of time
it popped up mwifiex_sdio messages, then the WiFi could be up:
The good news here: with iwd ConnMan doesn't have to rely on
wpa_supplicant anymore. We had to add *a lot* of code to ConnMan
because of wpa_supplicant including a lot of work arounds. With iwd we
have a clear separation between the domains. So I strongly recommend
to look at iwd.
$ systemctl restart wpa_supplicant
[ 371.617417] mwifiex_sdio mmc0:0001:1: info: 2
[ 371.647545] mwifiex_sdio mmc0:0001:1: info: associated to bssid 34:08:04:12:y
[ 371.726667] IPv6: ADDRCONF(NETDEV_CHANGE): mlan0: link becomes ready
[ 371.772758] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x23f error, result=0x2
But sometime when I restated wpa_supplicant, that message did not
come, the WiFi network was still down.
You need to look at what your hardware/firmware, driver and
wpa_supplicant is going on. This is something ConnMan can't fix.
How is mwifiex_sdio related to wpa_supplicant?
wpa_supplicant steers your WiFi chip.
Why it is nondeterministic, sometime restart wpa_supplicant could
bring mwifiex_sdio and WiFi up, something it couldn't?
That is the sad part about WiFi. The quality of the firmware, driver
and wpa_supplicant varies a lot. Some combination works great, others
are unusable.
I think mwifiex_sdio is the lowest layer to interact to WiFi modem,
in
which circumstance it could bring WiFi modem up and in which
circumstance it couldn't?
Sure, depending on the quality of the firmware and driver it might be
your main problem.
Don't get me wrong. I don't say your current setup is not good, but
from expierence firmware/drivers and wpa_supplicant tend to be
problematic.
iwd on the other hand is able to hide most of the nasty stuff for
ConnMan and I think in the long run it will be a lot more reliable
then wpa_supplicant was.
That is far too unstable, I always thought I could rely on connman
for
WiFi connection stability, but it seems that beyond connman capacity,
so what I can do when the WiFi is not up when restart wpa_supplicant
could not fix it?
Try iwd.
Thanks,
Daniel
914
days inactive
916
days old
3 comments
2 participants
participants (2)
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Daniel Wagner -
JH