The following commit solves the issue. http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8a2e8e5dec7e29c56a46ba176c664ab6a3d04118 Thanks, Rajkumar On Thu, Sep 09, 2010 at 10:23:22PM +0530, Ben Greear wrote: > This is from yesterday's wireless-testing repository: > > I had created two STA interfaces (they didn't really work, but they added ok it seems), > and then attempted to rmmod ath9k. > > ------------[ cut here ]------------ > kernel BUG at /home/greearb/git/linux.wireless-testing/kernel/workqueue.c:2853! > invalid opcode: 0000 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu1/cache/index1/shared_cpu_map > Modules linked in: aes_i586 aes_generic fuse 8021q garp stp llc michael_mic macvlan pktgen nfs lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput arc4 ecb > ath9k(-) mac80211 ath9k_common i2c_i801 e1000e ath9k_hw ath pcspkr cfg80211 iTCO_wdt iTCO_vendor_support microcode i915 drm_kms_helper drm i2c_algo_bit i2c_core > video output [last unloaded: ipt_addrtype] > > Pid: 18706, comm: rmmod Not tainted 2.6.36-rc3-wl+ #4 PDSBM/PDSBM > EIP: 0060:[<c0443483>] EFLAGS: 00010286 CPU: 0 > EIP is at destroy_workqueue+0x86/0xc8 > EAX: 00000020 EBX: f71f9c00 ECX: 0000000f EDX: f737e900 > ESI: c0943e84 EDI: f8ba0000 EBP: f49dbe90 ESP: f49dbe88 > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Process rmmod (pid: 18706, ti=f49da000 task=f48d1a90 task.ti=f49da000) > Stack: > f658c320 00000000 f49dbe9c f8a9313b f658d394 f49dbeb4 f8ad6706 f658c320 > <0> f658d394 f7100800 f8ba0000 f49dbec8 f8ae075a f7100860 f8ae7028 f7100800 > <0> f49dbedc c0585c49 f7100860 f8ae7058 f7100894 f49dbeec c0606fd6 f7100860 > Call Trace: > [<f8a9313b>] ? ieee80211_unregister_hw+0xce/0xf4 [mac80211] > [<f8ad6706>] ? ath9k_deinit_device+0x60/0x83 [ath9k] > [<f8ae075a>] ? ath_pci_remove+0x22/0x54 [ath9k] > [<c0585c49>] ? pci_device_remove+0x27/0xa3 > [<c0606fd6>] ? __device_release_driver+0x59/0x9d > [<c0607081>] ? driver_detach+0x67/0x85 > [<c060659d>] ? bus_remove_driver+0x69/0x85 > [<c06074ae>] ? driver_unregister+0x4b/0x52 > [<c0585e74>] ? pci_unregister_driver+0x2d/0x6e > [<f8ae0659>] ? ath_pci_exit+0xd/0xf [ath9k] > [<f8ae2be4>] ? ath9k_exit+0x8/0x2f [ath9k] > [<c04576ae>] ? sys_delete_module+0x16f/0x1c0 > [<c0749f91>] ? do_page_fault+0x26a/0x2c5 > [<c0749fbf>] ? do_page_fault+0x298/0x2c5 > [<c0402f9c>] ? sysenter_do_call+0x12/0x28 > Code: 80 3c 94 c0 eb 0c 83 f8 20 75 05 8b 53 04 eb 02 31 d2 31 c9 83 7c 8a 10 00 74 04 0f 0b eb fe 41 83 f9 0f 75 ef 83 7a 4c 00 74 04 <0f> 0b eb fe 8d 4a 54 39 > 4a 54 74 04 0f 0b eb fe 89 d9 89 f2 e8 > EIP: [<c0443483>] destroy_workqueue+0x86/0xc8 SS:ESP 0068:f49dbe88 > ---[ end trace dbb86888d9028055 ]--- > > -- > Ben Greear <greearb@xxxxxxxxxxxxxxx> > Candela Technologies Inc http://www.candelatech.com > > -- > 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 -- 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
