FS#800 - ath9k sta and ap mode change. system hang #6331
Comments
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lipeng: i have test OpenWRT 15.05.1, LEDE 17.01.0 . I get the same result may this is a ath9k bug , My board is Dual Core Processor, I guess the reason may is the timer del in dual core processor ,Somebody can analysis why? thanks |
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lipeng: Does someboby konw why? Beacuase the system hang ,I get any hint about this problem. I just try . The I found it was the timer , Even In the timer function , do nothing , I got the same result. |
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nbd: Pleaes try a newer version, either 17.01.2 or a current snapshot. |
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lipeng: Felix Fietkau My project update from OpenWRT 15.05.1 to LEDE 17.01.0 , I get the same result. We can not update again. As I metion ,I delete some timer .It worked good . but I do not know why ，So |
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nbd: I think this issue should be fixed in a newer version. If you can't test this, I will have to close this ticket. |
lipeng:
mips device with ar9580 wireless card sta and ap mode change by use test.sh
test.sh
while [ 1 ]
do
mv /etc/config/wireless /etc/config/wirelessbak
mv /etc/config/wireless1 /etc/config/wireless
mv /etc/config/wirelessbak /etc/config/wireless1
/etc/init.d/network restart
sleep 50
done
I found the system will hang , It like a deadlock but I can't verify
Use the same shell I change the ath9k code
just delete the full sleep timer
modify ath9k_ps_wakeup ath9k_ps_restore
delete mod_timer(&sc->sc_pm_lock,flags);
detete del_timer_sync(&sc->sc_pm_lock);
The system run ok
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