#737: wds link not working, turning on all debug flags during ifup gives kernel
panic (r1659)
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Reporter: [EMAIL PROTECTED] | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi: other | Version:
Resolution: | Keywords: wds kernel panic
Patch_attached: 0 |
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Comment (by [EMAIL PROTECTED]):
If you remove the debugging commands, the above configuration results in a
working (at least in the short term) link. Here is a multiple link
configuration:
{{{
auto ath0
iface ath0 inet static
address 1.0.0.0
netmask 255.255.255.255
broadcast 255.255.255.255
pre-up /sbin/modprobe ath-pci autocreate=none
pre-up wlanconfig ath0 create wlandev wifi0 wlanmode ap
pre-up wlanconfig ath1 create wlandev wifi0 wlanmode wds
pre-up iwconfig ath0 essid backhaul
pre-up iwpriv ath1 wds_add 00:02:6f:20:f7:2b
pre-up iwpriv ath1 wds 1
pre-up ifconfig ath1 up
pre-up ifconfig ath0 up
pre-up iwconfig ath0 channel 161
up brctl addif br0 ath0
up brctl addif br0 ath1
down brctl delif br0 ath0
down brctl delif br0 ath1
post-down wlanconfig ath0 destroy
post-down wlanconfig ath1 destroy
auto ath2
iface ath2 inet manual
pre-up wlanconfig ath2 create wlandev wifi0 wlanmode wds
pre-up iwpriv ath2 wds_add 00:0b:6b:4c:b8:d5
pre-up iwpriv ath2 wds 1
pre-up ifconfig ath2 up
up brctl addif br0 ath2
down brctl delif br0 ath2
post-down wlanconfig ath2 destroy
auto ath3
iface ath3 inet manual
pre-up wlanconfig ath3 create wlandev wifi0 wlanmode wds
pre-up iwpriv ath3 wds_add 00:0b:6b:36:d1:46
pre-up iwpriv ath3 wds 1
pre-up ifconfig ath3 up
up brctl addif br0 ath3
down brctl delif br0 ath3
post-down wlanconfig ath3 destroy
}}}
That doesn't explain the kernel panic.
Also, it isn't at all clear why these configuration commands are so
sensitive to ordering. In particular the apparent need to bring up ath1
before ath0. They should not be so sensitive to ordering, or at least the
specific ordering requirements should be more clearly documented.
--
Ticket URL: <http://madwifi.org/ticket/737>
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