#1903: Channel switch on active interface in master mode causes hard lockup
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Reporter: sjen...@versanet.de | Owner: proski
Type: defect | Status: assigned
Priority: blocker | Milestone: version 0.9.4.1
Component: madwifi: driver | Version: v0.9.4
Resolution: | Keywords: master mode ap deadlock
freeze channel
Patch_attached: 0 | Pending: 0
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Comment (by tsharples):
We have seen the same problem here using 9.3.3, especially when switching
from a turbo to a non-turbo channel. Best solution seems to be rigorously
observing the following sequence:
{{{
ifconfig wlan0 down
sleep 1
iwconfig wlan0 channel 0
sleep 1
iwconfig wlan0 channel <the desired channel>
sleep 1
ifconfig wlan0 up
}}}
Enclose a pair of the above (with different channels) in a while [ 1 ]
loop, and go have lunch, to test for crashes on your target system.
--
Ticket URL: <https://madwifi-project.org/ticket/1903#comment:26>
madwifi-project.org <http://madwifi-project.org/>
Multiband Atheros Driver for Wireless Fidelity
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