On Mar 6, 2012, at 12:32 AM, Johannes Berg wrote: > On Tue, 2012-03-06 at 00:40 +0000, Bryan Phillippe wrote: >> on compat-wireless-2012-02-06 as well as compat-wireless-3.3-rc1-2, I see this: >> >> WARNING: at ath9k/net/mac80211/driver-ops.h:10 ieee80211_bss_info_change_notify+0x150/0x18c [mac80211]() >> >> any time I change from one band to another. How do I fix this? > > Post the full warning and then we can see if we can figure it out. > > johannes Hi Johannes, Here are some examples: Feb 13 05:29:48 2012 mybox local0.emerg kernel: [ 266.700780] ------------[ cut here ]------------ Feb 13 05:29:48 2012 mybox local0.err kernel: [ 266.705424] Badness at net/mac80211/driver-ops.h:10 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705439] NIP: f2bd32b0 LR: f2bd32a4 CTR: a03fde5c Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705453] REGS: cfa31a80 TRAP: 0700 Tainted: P (2.6.35.12) Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705463] MSR: 00029000 <EE,ME,CE> CR: 28022422 XER: 00000000 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705489] TASK = c850dbc0[1727] 'hostapd' THREAD: cfa30000 CPU: 1 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705501] GPR00: 00000001 cfa31b30 c850dbc0 00000000 00000002 cfa31b78 d3bf2254 cfa31bbc Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705529] GPR08: c844bc10 00000000 00000000 a03fde5c 28022428 100773cc 00000000 10005060 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705557] GPR16: 100700e8 1004bb3c 00000000 00000000 00000000 00000000 cfa31dec 00000024 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705585] GPR24: 00000000 00000004 00000014 cfa31ba8 cdf307e0 cdc4ca80 00000002 cde75360 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705650] NIP [f2bd32b0] ieee80211_bss_info_change_notify+0x11c/0x308 [mac80211] Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705674] LR [f2bd32a4] ieee80211_bss_info_change_notify+0x110/0x308 [mac80211] Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705684] Call Trace: Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705704] [cfa31b30] [f2bd32a4] ieee80211_bss_info_change_notify+0x110/0x308 [mac80211] (unreliable) Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705738] [cfa31b50] [f2bec174] ieee80211_aes_cmac+0x1678/0x4758 [mac80211] Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705775] [cfa31b70] [f2b5ab20] nl80211_init+0x6a8/0x4f94 [cfg80211] Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705799] [cfa31ba0] [f2b10450] compat_vzalloc+0x1a4/0x284 [compat] Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705824] [cfa31be0] [a0334a4c] genl_rcv_msg+0x1f8/0x21c Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705840] [cfa31c30] [a0332ae0] netlink_rcv_skb+0xe0/0x108 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705856] [cfa31c50] [a0334844] genl_rcv+0x24/0x34 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705872] [cfa31c60] [a03325d0] netlink_unicast+0x380/0x3cc Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705888] [cfa31ca0] [a0333160] netlink_sendmsg+0x250/0x398 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705914] [cfa31cf0] [a02f9e28] sock_sendmsg+0x90/0xc8 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705931] [cfa31dc0] [a02fa668] sys_sendmsg+0x234/0x2d8 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705950] [cfa31f10] [a02fc03c] sys_socketcall+0x144/0x258 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.705973] [cfa31f40] [a0012000] ret_from_syscall+0x0/0x3c Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.706090] --- Exception: c01 at 0xfd16088 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.706095] LR = 0xffd7d28 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.706102] Instruction dump: Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.706113] 419e00c0 0fe00000 48000018 39200000 912304a8 4bffff88 38000000 981f04b3 Feb 13 05:29:48 2012 mybox local0.warn kernel: [ 266.706143] 48033c29 801f01cc 68000020 5400dffe <0f000000> 813d0054 80090020 2f800000 Feb 13 05:29:48 2012 mybox local0.emerg kernel: [ 266.707407] ------------[ cut here ]------------ -- -bp -- 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
