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Gmane
From: Ben Greear <greearb-my8/4N5VtI7c+919tysfdA <at> public.gmane.org>
Subject: more crashing goodness with ath9k
Newsgroups: gmane.linux.kernel.wireless.general
Date: Tuesday 5th October 2010 18:33:58 UTC (over 6 years ago)
This is with 8 STA configured with WPA.

Memory poisoning, etc is enabled.


Reading symbols from
/home/greearb/kernel/2.6/wireless-testing-dbg.p4s/net/mac80211/mac80211.ko...done.
(gdb) l *(sta_addba_resp_timer_expired+0x7c)
0x5b38 is in sta_addba_resp_timer_expired
(/home/greearb/git/linux.wireless-testing/arch/x86/include/asm/bitops.h:312).
307	}
308	
309	static __always_inline int constant_test_bit(unsigned int nr, const
volatile unsigned long *addr)
310	{
311		return ((1UL << (nr % BITS_PER_LONG)) &
312			(addr[nr / BITS_PER_LONG])) != 0;
313	}
314	
315	static inline int variable_test_bit(int nr, volatile const unsigned
long *addr)
316	{
(gdb)

29 localhost kernel: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Oct  5 11:20:29 localhost kernel: ADDRCONF(NETDEV_UP): sta1: link is not
ready
Oct  5 11:20:29 localhost kernel: ADDRCONF(NETDEV_UP): sta2: link is not
ready
Oct  5 11:20:30 localhost kernel: ADDRCONF(NETDEV_UP): sta3: link is not
ready
Oct  5 11:20:30 localhost kernel: ADDRCONF(NETDEV_UP): sta4: link is not
ready
Oct  5 11:20:30 localhost kernel: ieee80211 phy0: device now idle
BUG: unable to handle kernel paging request at 6b6b6bc3
IP: [] sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211]
*pde = 00000000
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
last sysfs file:
/sys/devices/pci0000:00/0000:00:1e.0/0000:08:01.0/net/sta7/flags
Modules linked in: 8021q garp stp llc michael_mic macvlan pktgen fuse nfs
lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput arc4 ecb ath9k
mac80211 ath9]

Pid: 2524, comm: sh Not tainted 2.6.36-rc6-wl+ #5 PDSBM/PDSBM
EIP: 0060:[] EFLAGS: 00010202 CPU: 0
EIP is at sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211]
EAX: 6b6b6b6b EBX: 0000006b ECX: 00000001 EDX: c0946ec4
ESI: f4760ff5 EDI: 0000006b EBP: f3c5be6c ESP: f3c5be60
  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process sh (pid: 2524, ti=f3c5a000 task=f4729fe0 task.ti=f3c5a000)
Stack:
  c0a26e80 f67961e0 f3c5beb4 f3c5bec8 c043d57f 00000000 00000002 00000000
<0> c043d51d f3c5beb4 f3c5bea8 f47612a4 c0a27ca8 c0a27aa8 c0a278a8 c0a276a8
<0> f8ce7a98 00000100 f8d093a8 c0bba69c f8d05851 f3c5beb4 f3c5beb4 00000101
Call Trace:
  [] ? run_timer_softirq+0x14f/0x1e7
  [] ? run_timer_softirq+0xed/0x1e7
  [] ? sta_addba_resp_timer_expired+0x0/0xb4 [mac80211]
  [] ? __do_softirq+0x86/0x111
  [] ? do_softirq+0x36/0x5a
  [] ? irq_exit+0x35/0x69
  [] ? smp_apic_timer_interrupt+0x6e/0x7c
  [] ? putname+0x25/0x2e
  [] ? apic_timer_interrupt+0x2f/0x40
  [] ? putname+0x25/0x2e
  [] ? do_adjtimex+0x217/0x55e
  [] ? pcpu_get_pages_and_bitmap+0x34/0xb6
  [] ? kmem_cache_free+0xaa/0xb6
  [] ? putname+0x25/0x2e
  [] ? putname+0x25/0x2e
  [] ? do_sys_open+0xc6/0xd0
  [] ? sys_open+0x1e/0x26
  [] ? syscall_call+0x7/0xb
Code: 3f d1 76 c7 85 c0 75 16 ba dc 00 00 00 b8 c8 57 d0 f8 c6 05 b8 93 d0
f8 01 e8 c7 dc 76 c7 8d 84 9e f0 01 00 00 8b 00 85 c0 74 07 <8b> 40 58 a8
02 74
EIP: [] sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211] SS:ESP
0068:f3c5be60
CR2: 000000006b6b6bc3



And another, in case it helps.

ieee80211 phy0: device no longer idle - scanning
  [] sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211]
*pde = 00000000
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
last sysfs file:
/sys/devices/pci0000:00/0000:00:1e.0/0000:08:01.0/net/sta7/flags
Modules linked in: 8021q garp stp llc michael_mic macvlan pktgen fuse nfs
lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput arc4 ecb ath9k
mac80211 ath9]

Pid: 2506, comm: ip Not tainted 2.6.36-rc6-wl+ #5 PDSBM/PDSBM
EIP: 0060:[] EFLAGS: 00010202 CPU: 1
EIP is at sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211]
EAX: 6b6b6b6b EBX: 0000006b ECX: 00000001 EDX: c0946ec4
ESI: f4761825 EDI: 0000006b EBP: f47dfd98 ESP: f47dfd8c
  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process ip (pid: 2506, ti=f47de000 task=f475b520 task.ti=f47de000)
Stack:
  f7098000 f45184b0 f47dfde0 f47dfdf4 c043d57f 00000000 00000002 00000000
<0> c043d51d f47dfde0 f47dfdd4 f4761ad4 f7098e28 f7098c28 f7098a28 f7098828
<0> f8d35a98 00000100 f8d573a8 c0bba14c f8d53851 f47dfde0 f47dfde0 00000001
Call Trace:
  [] ? run_timer_softirq+0x14f/0x1e7
  [] ? run_timer_softirq+0xed/0x1e7
  [] ? sta_addba_resp_timer_expired+0x0/0xb4 [mac80211]
  [] ? __do_softirq+0x86/0x111
  [] ? do_softirq+0x36/0x5a
  [] ? irq_exit+0x35/0x69
  [] ? smp_apic_timer_interrupt+0x6e/0x7c
  [] ? might_fault+0x47/0x81
  [] ? apic_timer_interrupt+0x2f/0x40
  [] ? might_fault+0x47/0x81
  [] ? kswapd+0x1a4/0x622
  [] ? lock_release+0x148/0x153
  [] ? might_fault+0x7c/0x81
  [] ? copy_to_user+0x2f/0x108
  [] ? move_addr_to_user+0x5a/0x72
  [] ? sys_getsockname+0x59/0x73
  [] ? __do_fault+0x379/0x3a5
  [] ? lock_release_non_nested+0x86/0x1d8
  [] ? might_fault+0x47/0x81
  [] ? might_fault+0x47/0x81
  [] ? might_fault+0x7c/0x81
  [] ? sys_socketcall+0xb4/0x1a5
  [] ? sysenter_do_call+0x12/0x38
Code: 3f f1 71 c7 85 c0 75 16 ba dc 00 00 00 b8 c8 37 d5 f8 c6 05 b8 73 d5
f8 01 e8 c7 fc 71 c7 8d 84 9e f0 01 00 00 8b 00 85 c0 74 07 <8b> 40 58 a8
02 74
EIP: [] sta_addba_resp_timer_expired+0x7c/0xb4 [mac80211] SS:ESP
0068:f47dfd8c
CR2: 000000006b6b6bc3
---[ end trace 2fd8b34c8648015a ]---
Kernel panic - not syncing: Fatal exception in interrupt

-- 
Ben Greear <[email protected]>
Candela Technologies Inc  http://www.candelatech.com

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CD: 3ms