#1903: Channel switch on active interface in master mode causes hard lockup
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Reporter: [EMAIL PROTECTED] | 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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Changes (by proski):
* pending: => 0
Comment:
The code is trying to take the same lock twice. First,
ieee80211_beacon_update() calls IEEE80211_LOCK(ic), and then
ieee80211_free_node() calls IEEE80211_LOCK_IRQ(ic). The trunk doesn't
lock ic in ieee80211_free_node(), but the differences in locking are
significant, and I'm not sure they can be backported easily.
--
Ticket URL: <https://madwifi.org/ticket/1903#comment:21>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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