> > * Ricardo Salveti <rsalveti@xxxxxxxxxxxx> [181211 20:45]: > > On Tue, Dec 11, 2018 at 6:23 PM Ricardo Salveti <rsalveti@xxxxxxxxxxxx> > wrote: > > > > > > On Tue, Dec 11, 2018 at 6:12 PM Tony Lindgren <tony@xxxxxxxxxxx> > wrote: > > > > > > > > * John Stultz <john.stultz@xxxxxxxxxx> [181211 19:51]: > > > > > On Tue, Dec 11, 2018 at 11:25 AM Ricardo Salveti > <rsalveti@xxxxxxxxxxxx> wrote: > > > > > > Then tried to reproduce with a simple 'while true; do ip link set dev > > > > > > wlan0 down; ip link set dev wlan0 up; done;' and it was already > enough > > > > > > to cause the same hang. Adding a simple sleep 1 after down/up is > > > > > > already enough to make it work, so something might be missing > during > > > > > > the down/up process that only happens when they get called right > after > > > > > > the other. > > > > > > > > With while true test above, I'm getting: > > > > > > > > wlcore: ERROR timeout waiting for the hardware to complete > initialization > > > > > > > > Then after ctrl-c, wlan0 connects to the access point just fine > > > > for me. > > > > > > > > Is that what you're seeing or some oops? > > > > Tried the same while true test on my beaglebone black wireless and > > also got a trace, but without hanging the kernel (sdio write failed > > instead): > > > > root@beaglebone-yocto:~# while true; do ifconfig wlan0 down; ifconfig > > wlan0 up; done; > > [ 31.467917] wlcore: down > > [ 33.205670] ------------[ cut here ]------------ > > [ 33.211048] WARNING: CPU: 0 PID: 407 at > > drivers/net/wireless/ti/wlcore/sdio.c:145 > > Hmm OK so SDIO write failing. Adding also Eyal to Cc. > I Just tried on an available am335x-evm using 4.20.0-rc1 which I believe has all the patches merged already. I am using the same script and not seeing any failure yet. See below: root@am335x-evm:/usr/share/wl18xx# uname -r 4.20.0-rc1-11287-gf487c00 root@am335x-evm:/usr/share/wl18xx# root@am335x-evm:/usr/share/wl18xx# root@am335x-evm:/usr/share/wl18xx# root@am335x-evm:/usr/share/wl18xx# root@am335x-evm:/usr/share/wl18xx# while true; do ifconfig wlan0 down; ifconfig wlan0 up; done; [1378786.491101] wlcore: down [1378787.093006] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378787.168523] wlcore: firmware booted (Rev 8.9.0.1.79) [1378787.215897] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378787.279120] wlcore: down [1378787.852406] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378787.923964] wlcore: firmware booted (Rev 8.9.0.1.79) [1378787.973034] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378788.036862] wlcore: down [1378788.613743] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378788.693838] wlcore: firmware booted (Rev 8.9.0.1.79) [1378788.740383] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378788.804205] wlcore: down [1378789.392353] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378789.473698] wlcore: firmware booted (Rev 8.9.0.1.79) [1378789.525618] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378789.589460] wlcore: down [1378790.193421] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378790.268987] wlcore: firmware booted (Rev 8.9.0.1.79) [1378790.319464] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378790.385539] wlcore: down [1378790.959832] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378791.037329] wlcore: firmware booted (Rev 8.9.0.1.79) [1378791.085311] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378791.149050] wlcore: down [1378791.728624] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378791.801074] wlcore: firmware booted (Rev 8.9.0.1.79) [1378791.851683] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378791.914852] wlcore: down [1378792.481659] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378792.558157] wlcore: firmware booted (Rev 8.9.0.1.79) [1378792.608917] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378792.671808] wlcore: down [1378793.257493] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378793.335242] wlcore: firmware booted (Rev 8.9.0.1.79) [1378793.381733] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378793.445155] wlcore: down [1378794.022673] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378794.099983] wlcore: firmware booted (Rev 8.9.0.1.79) [1378794.148400] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378794.211785] wlcore: down [1378794.793126] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378794.870457] wlcore: firmware booted (Rev 8.9.0.1.79) [1378794.918269] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378794.980576] wlcore: down [1378795.567425] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378795.643666] wlcore: firmware booted (Rev 8.9.0.1.79) [1378795.689798] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378795.753733] wlcore: down [1378796.321779] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378796.395530] wlcore: firmware booted (Rev 8.9.0.1.79) [1378796.446662] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378796.509674] wlcore: down [1378797.082703] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378797.155784] wlcore: firmware booted (Rev 8.9.0.1.79) [1378797.204702] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378797.272142] wlcore: down [1378797.852175] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378797.927954] wlcore: firmware booted (Rev 8.9.0.1.79) [1378797.977066] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378798.040515] wlcore: down [1378798.629674] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378798.705860] wlcore: firmware booted (Rev 8.9.0.1.79) [1378798.753307] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378798.817071] wlcore: down [1378799.383758] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378799.456630] wlcore: firmware booted (Rev 8.9.0.1.79) [1378799.504191] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378799.567613] wlcore: down [1378800.149263] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378800.293733] wlcore: firmware booted (Rev 8.9.0.1.79) [1378800.393680] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378800.458602] wlcore: down [1378801.038925] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378801.115460] wlcore: firmware booted (Rev 8.9.0.1.79) [1378801.166596] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378801.243967] wlcore: down [1378801.819651] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378801.896467] wlcore: firmware booted (Rev 8.9.0.1.79) [1378801.947433] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378802.009906] wlcore: down [1378802.591682] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378802.665409] wlcore: firmware booted (Rev 8.9.0.1.79) [1378802.713678] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378802.777449] wlcore: down [1378803.359033] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378803.440687] wlcore: firmware booted (Rev 8.9.0.1.79) [1378803.490562] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378803.554929] wlcore: down [1378804.133670] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378804.209757] wlcore: firmware booted (Rev 8.9.0.1.79) [1378804.258120] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378804.328504] wlcore: down [1378804.901077] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378804.978251] wlcore: firmware booted (Rev 8.9.0.1.79) [1378805.028641] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378805.092694] wlcore: down [1378805.673109] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378805.748414] wlcore: firmware booted (Rev 8.9.0.1.79) [1378805.798805] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378805.862123] wlcore: down [1378806.442260] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378806.516679] wlcore: firmware booted (Rev 8.9.0.1.79) [1378806.563867] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378806.628781] wlcore: down [1378807.190830] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378807.266159] wlcore: firmware booted (Rev 8.9.0.1.79) [1378807.315008] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378807.379133] wlcore: down [1378807.948528] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378808.019867] wlcore: firmware booted (Rev 8.9.0.1.79) [1378808.067142] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378808.130354] wlcore: down [1378808.691478] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378808.765724] wlcore: firmware booted (Rev 8.9.0.1.79) [1378808.813940] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378808.877296] wlcore: down [1378809.463092] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378809.535343] wlcore: firmware booted (Rev 8.9.0.1.79) [1378809.584844] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378809.648089] wlcore: down [1378810.221439] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378810.300780] wlcore: firmware booted (Rev 8.9.0.1.79) [1378810.350360] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378810.473263] wlcore: down [1378811.090841] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378811.163899] wlcore: firmware booted (Rev 8.9.0.1.79) [1378811.214713] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378811.278291] wlcore: down [1378811.859060] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378811.940978] wlcore: firmware booted (Rev 8.9.0.1.79) [1378811.990527] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378812.055433] wlcore: down [1378812.632900] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378812.706303] wlcore: firmware booted (Rev 8.9.0.1.79) [1378812.753410] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378812.816633] wlcore: down [1378813.391444] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378813.464240] wlcore: firmware booted (Rev 8.9.0.1.79) [1378813.512363] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378813.577216] wlcore: down [1378814.160131] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378814.237682] wlcore: firmware booted (Rev 8.9.0.1.79) [1378814.290315] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378814.354754] wlcore: down [1378814.920495] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378814.998592] wlcore: firmware booted (Rev 8.9.0.1.79) [1378815.046547] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378815.109031] wlcore: down [1378815.689486] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378815.762435] wlcore: firmware booted (Rev 8.9.0.1.79) [1378815.812226] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378815.875213] wlcore: down [1378816.441837] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378816.515729] wlcore: firmware booted (Rev 8.9.0.1.79) [1378816.563795] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378816.657909] wlcore: down [1378817.248446] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378817.322038] wlcore: firmware booted (Rev 8.9.0.1.79) [1378817.370687] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378817.434946] wlcore: down [1378818.018837] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378818.096283] wlcore: firmware booted (Rev 8.9.0.1.79) [1378818.148273] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378818.210775] wlcore: down [1378818.799762] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378818.875681] wlcore: firmware booted (Rev 8.9.0.1.79) [1378818.924567] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378818.988274] wlcore: down [1378819.561957] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378819.636484] wlcore: firmware booted (Rev 8.9.0.1.79) [1378819.684097] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378819.747501] wlcore: down [1378820.321689] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378820.397763] wlcore: firmware booted (Rev 8.9.0.1.79) [1378820.448642] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378820.512129] wlcore: down [1378821.088666] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378821.160442] wlcore: firmware booted (Rev 8.9.0.1.79) [1378821.211085] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378821.273888] wlcore: down [1378821.839906] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378821.915729] wlcore: firmware booted (Rev 8.9.0.1.79) [1378821.966909] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378822.031125] wlcore: down [1378822.615046] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378822.693064] wlcore: firmware booted (Rev 8.9.0.1.79) [1378822.739599] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378822.803289] wlcore: down [1378823.380169] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378823.458113] wlcore: firmware booted (Rev 8.9.0.1.79) [1378823.509566] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378823.572602] wlcore: down [1378824.159983] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378824.237711] wlcore: firmware booted (Rev 8.9.0.1.79) [1378824.290808] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378824.353941] wlcore: down [1378824.931810] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378825.005707] wlcore: firmware booted (Rev 8.9.0.1.79) [1378825.055433] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378825.118176] wlcore: down [1378825.692724] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378825.765798] wlcore: firmware booted (Rev 8.9.0.1.79) [1378825.813798] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378825.878006] wlcore: down [1378826.442286] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378826.518544] wlcore: firmware booted (Rev 8.9.0.1.79) [1378826.569183] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378826.633600] wlcore: down [1378827.213265] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378827.288824] wlcore: firmware booted (Rev 8.9.0.1.79) [1378827.336628] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378827.399026] wlcore: down [1378827.971426] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378828.048369] wlcore: firmware booted (Rev 8.9.0.1.79) [1378828.098243] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378828.160854] wlcore: down [1378828.744644] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378828.817231] wlcore: firmware booted (Rev 8.9.0.1.79) [1378828.866908] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378828.929402] wlcore: down [1378829.493338] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378829.568975] wlcore: firmware booted (Rev 8.9.0.1.79) [1378829.617434] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378829.679476] wlcore: down [1378830.264191] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378830.337065] wlcore: firmware booted (Rev 8.9.0.1.79) [1378830.386654] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378830.449473] wlcore: down [1378831.076081] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378831.153519] wlcore: firmware booted (Rev 8.9.0.1.79) [1378831.200456] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378831.266049] wlcore: down [1378831.853474] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378831.927762] wlcore: firmware booted (Rev 8.9.0.1.79) [1378831.976934] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378832.045476] wlcore: down [1378832.612943] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378832.689160] wlcore: firmware booted (Rev 8.9.0.1.79) [1378832.736919] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378832.799808] wlcore: down [1378833.382691] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378833.455715] wlcore: firmware booted (Rev 8.9.0.1.79) [1378833.504109] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378833.567781] wlcore: down [1378834.133028] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378834.205805] wlcore: firmware booted (Rev 8.9.0.1.79) [1378834.253361] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378834.318232] wlcore: down [1378834.892304] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378834.968815] wlcore: firmware booted (Rev 8.9.0.1.79) [1378835.016491] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378835.079376] wlcore: down [1378835.642688] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378835.718502] wlcore: firmware booted (Rev 8.9.0.1.79) [1378835.766202] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378835.829487] wlcore: down [1378836.419008] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378836.495673] wlcore: firmware booted (Rev 8.9.0.1.79) [1378836.544773] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378836.607245] wlcore: down [1378837.181581] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378837.255567] wlcore: firmware booted (Rev 8.9.0.1.79) [1378837.303845] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378837.367595] wlcore: down [1378837.949135] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378838.025595] wlcore: firmware booted (Rev 8.9.0.1.79) [1378838.073999] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378838.137830] wlcore: down [1378838.712319] wlcore: PHY firmware version: Rev 8.2.0.0.242 [1378838.788453] wlcore: firmware booted (Rev 8.9.0.1.79) [1378838.836558] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [1378838.900204] wlcore: down [1378839.489400] wlcore: PHY firmware version: Rev 8.2.0.0.242 ^C[1378839.568368] wlcore: firmware booted (Rev 8.9.0.1.79) [1378839.619773] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready root@am335x-evm:/usr/share/wl18xx# Best Regards, Eyal
