On Tue, May 12, 2009 at 3:07 PM, Maxim Levitsky <maximlevitsky@xxxxxxxxx> wrote: > On Tue, 2009-05-12 at 15:00 -0700, Luis R. Rodriguez wrote: >> On Tue, May 12, 2009 at 10:34 AM, Maxim Levitsky >> <maximlevitsky@xxxxxxxxx> wrote: >> > On Tue, 2009-05-12 at 10:24 -0700, Luis R. Rodriguez wrote: >> >> On Tue, May 12, 2009 at 8:05 AM, Maxim Levitsky <maximlevitsky@xxxxxxxxx> wrote: >> >> > On Sun, 2009-05-10 at 12:36 -0700, Luis R. Rodriguez wrote: >> >> >> On Sun, May 10, 2009 at 12:34 PM, Maxim Levitsky >> >> >> <maximlevitsky@xxxxxxxxx> wrote: >> >> >> > On Sun, 2009-05-10 at 11:33 -0700, Luis R. Rodriguez wrote: >> >> >> >> On Sun, May 10, 2009 at 5:20 AM, Maxim Levitsky <maximlevitsky@xxxxxxxxx> wrote: >> >> >> >> > On Wed, 2009-05-06 at 16:34 -0400, Pavel Roskin wrote: >> >> >> >> >> gdb /lib/modules/`uname -r`/kernel/net/wireless/cfg80211.ko >> >> >> >> > >> >> >> >> > I have recompiled the kernel with debugging info. >> >> >> >> > >> >> >> >> > This is new backtrace: >> >> > >> >> > Ok, here is what I found: >> >> > >> >> > The real BUG_ON that fires up is at >> >> > >> >> > wireless/reg.c: __set_regdom: BUG_ON(!country_ie_regdomain) >> >> > >> >> > Confirmed by replacing it with printk. >> >> > >> >> > >> >> > I attach a beacon sample that triggers this: >> >> >> >> Thanks for that. Was this from wireless-testing? If so as of what SHA1 >> >> sum? Can you provide steps to reproduce? What AP? What card? >> > wireless-testing, b2382a4aeff07a481ccf860e4f716b48b52e3781 >> >> That HEAD is buggy, its missing a fix for the minstrel/pid fix. >> Although since you are running iwl3945 it explains why you haven't >> seen that oops. >> >> Will look into this -- thanks. How easy can you reproduce BTW? Does it >> happen immediately upon assoc? Does it happen with other APs at the >> university? > Happens always when I try to associate. Great so it will be easy to confirm a fix. Can you please try the 4 patches I just posted? I haven't finished reviewing your case but so far from the pcap review (which was really helpful) I don't see anything funky from the beacon except that the FCS is bad. But that shouldn't matter. Anyway please try the patches I posted and I'll finish reviewing this in the meantime. > Other APs, I don't see many other APs there, (you mean other essids, > right?) I meant other APs at the University on the same network. > Most of them are encrypted anyway. OK this should not matter. Luis -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html