Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo()

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To: Coleman Kane <cokane@...>
Cc: Sam Leffler <sam@...>, <current@...>, freebsd-net <net@...>
Date: Tuesday, March 17, 2009 - 9:41 am

Coleman Kane wrote:

Actually I was able to panic the kernel right away with the 802.11 code, 
just
by joining a multicast group with mtest(8) on the wlan interface.

i.e.

# mtest
j 224.0.0.2 192.168.x.x
-> boom

I believe I've found the symptom, but the root cause I don't fully 
understand.
Sam indicated that the VAP code is using ifma's in some nested way between
the ifnets which comprise the VAP's member interfaces.

A workaround is pending....

cheers
BMS

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Messages in current thread:
IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Vladimir Grebenschikov, (Fri Mar 13, 5:40 am)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce Simpson, (Fri Mar 13, 7:22 pm)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce Simpson, (Fri Mar 13, 9:49 pm)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce Simpson, (Tue Mar 17, 4:12 am)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce Simpson, (Tue Mar 17, 9:41 am)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce Simpson, (Tue Mar 17, 10:43 am)
Re: IGMP+WiFi panic on recent kernel - in igmp_fasttimo(), Bruce M Simpson, (Sat Mar 14, 7:28 pm)