Description of problem:


Gnome-shell crash and a kernel warning amd terminal error appears in a system-terminal window.


How reproducible:


Steps to Reproduce:
1. Connect, using NetworkManager to a wireless network
2. Wait for random time.
3. You're been stucked in a system-terminal window.
  
Actual results:

I've got this warning:


WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/drivers/net/wireless/ath/ath9k/rc.c:697 ath_rc_get_highest_rix+0x1f9/0x210 [ath9k]()
Hardware name: Aspire 4830TG
Modules linked in: tcp_lp ppdev parport_pc lp parport fuse lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec arc4 snd_hwdep snd_seq snd_seq_device ath9k mac80211 acer_wmi ath9k_common snd_pcm sparse_keymap ath9k_hw ath cfg80211 rfkill snd_timer snd soundcore snd_page_alloc iTCO_wdt iTCO_vendor_support uvcvideo videodev media v4l2_compat_ioctl32 i2c_i801 joydev atl1c sunrpc microcode uinput wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
Pid: 1921, comm: plugin-containe Tainted: G        W    3.2.6-3.fc16.x86_64 #1
Call Trace:
 <IRQ>  [<ffffffff8106dd4f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff8106ddaa>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa0329769>] ath_rc_get_highest_rix+0x1f9/0x210 [ath9k]
 [<ffffffffa03298bc>] ath_get_rate+0x8c/0x410 [ath9k]
 [<ffffffffa02ab7c6>] rate_control_get_rate+0x96/0x170 [mac80211]
 [<ffffffffa02b759f>] invoke_tx_handlers+0x6ff/0x13e0 [mac80211]
 [<ffffffffa0296dac>] ? sta_info_get+0x6c/0x80 [mac80211]
 [<ffffffffa02b83d0>] ieee80211_tx+0x60/0xc0 [mac80211]
 [<ffffffffa02b84b1>] ieee80211_xmit+0x81/0xd0 [mac80211]
 [<ffffffffa02b8b5f>] ieee80211_subif_start_xmit+0x3af/0x9f0 [mac80211]
 [<ffffffff814d4982>] dev_hard_start_xmit+0x322/0x6e0
 [<ffffffff814f048f>] sch_direct_xmit+0xef/0x1c0
 [<ffffffff814d4ec4>] dev_queue_xmit+0x184/0x600
 [<ffffffff814fe065>] ? nf_hook_slow+0x75/0x150
 [<ffffffff8150cfa0>] ? ip_fragment+0x810/0x810
 [<ffffffff8150d10b>] ip_finish_output+0x16b/0x2f0
 [<ffffffff8108067e>] ? signal_wake_up+0x2e/0x50
 [<ffffffff8150dc68>] ip_output+0x98/0xa0
 [<ffffffff8150d334>] ? __ip_local_out+0xa4/0xb0
 [<ffffffff8150d369>] ip_local_out+0x29/0x30
 [<ffffffff8150d4bf>] ip_queue_xmit+0x14f/0x3f0
 [<ffffffff815248f4>] tcp_transmit_skb+0x3e4/0x8d0
 [<ffffffff81526ccc>] tcp_send_ack+0x8c/0xe0
 [<ffffffff8151a2ce>] __tcp_ack_snd_check+0x5e/0xa0
 [<ffffffff815226ac>] tcp_rcv_established+0x2bc/0x8b0
 [<ffffffff8152a73f>] tcp_v4_do_rcv+0x27f/0x430
 [<ffffffff8152c510>] tcp_v4_rcv+0x610/0x8e0
 [<ffffffff815083d0>] ? ip_rcv_finish+0x380/0x380
 [<ffffffff815083d0>] ? ip_rcv_finish+0x380/0x380
 [<ffffffff815084ad>] ip_local_deliver_finish+0xdd/0x280
 [<ffffffff81508818>] ip_local_deliver+0x88/0x90
 [<ffffffff81508181>] ip_rcv_finish+0x131/0x380
 [<ffffffff81508a55>] ip_rcv+0x235/0x300
 [<ffffffff814d2633>] __netif_receive_skb+0x523/0x5c0
 [<ffffffff814d3230>] netif_receive_skb+0x80/0x90
 [<ffffffffa02b1b52>] ieee80211_deliver_skb+0xa2/0x200 [mac80211]
 [<ffffffffa02b3129>] ieee80211_rx_handlers+0xd09/0x1fd0 [mac80211]
 [<ffffffffa02b4556>] ieee80211_prepare_and_rx_handle+0x166/0xab0 [mac80211]
 [<ffffffffa02b51ce>] ieee80211_rx+0x32e/0x9e0 [mac80211]
 [<ffffffffa0323d65>] ath_rx_tasklet+0xc35/0x1b20 [ath9k]
 [<ffffffff812d1630>] ? map_single+0x60/0x60
 [<ffffffffa031d605>] ? ath9k_ioread32+0x35/0x90 [ath9k]
 [<ffffffffa031d605>] ? ath9k_ioread32+0x35/0x90 [ath9k]
 [<ffffffffa03217ec>] ath9k_tasklet+0xac/0x160 [ath9k]
 [<ffffffff81074d18>] tasklet_action+0x78/0x140
 [<ffffffff81075378>] __do_softirq+0xb8/0x230
 [<ffffffff81035984>] ? ack_apic_level+0x74/0x1a0
 [<ffffffff815ebbec>] call_softirq+0x1c/0x30
 [<ffffffff81016275>] do_softirq+0x65/0xa0
 [<ffffffff8107578e>] irq_exit+0x9e/0xc0
 [<ffffffff815ec4a3>] do_IRQ+0x63/0xe0
 [<ffffffff815e1dee>] common_interrupt+0x6e/0x6e
 <EOI>  [<ffffffff815e9ab4>] ? sysret_audit+0x16/0x20


And after 1 or 2 seconds also this error:



BUG: unable to handle kernel NULL pointer dereference at 0000000000000080
IP: [<ffffffff8117da47>] vfs_getattr+0x37/0x80
PGD 1d1571067 PUD 1d2484067 PMD 0 
Oops: 0000 [#1] SMP 
CPU 3 
Modules linked in: tcp_lp ppdev parport_pc lp parport fuse lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec arc4 snd_hwdep snd_seq snd_seq_device ath9k mac80211 acer_wmi ath9k_common snd_pcm sparse_keymap ath9k_hw ath cfg80211 rfkill snd_timer snd soundcore snd_page_alloc iTCO_wdt iTCO_vendor_support uvcvideo videodev media v4l2_compat_ioctl32 i2c_i801 joydev atl1c sunrpc microcode uinput wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
Pid: 889, comm: abrtd Tainted: G        W    3.2.6-3.fc16.x86_64 #1 Acer Aspire 4830TG/JM40_HR
RIP: 0010:[<ffffffff8117da47>]  [<ffffffff8117da47>] vfs_getattr+0x37/0x80
RSP: 0018:ffff8801d2575e68  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88014b811a80 RCX: 0000000000000010
RDX: 0000000000000000 RSI: 000000000000011d RDI: 000000000000011c
RBP: ffff8801d2575e98 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000011c R11: 0000000000000010 R12: ffff8801d0c2b600
R13: ffff8801d2964570 R14: ffff8801d2575f00 R15: 00000000019c35d0
FS:  00007f9d83cae700(0000) GS:ffff8801dfac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000080 CR3: 00000001d2fda000 CR4: 00000000000406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process abrtd (pid: 889, threadinfo ffff8801d2574000, task ffff8801d1e9ae40)
Stack:
 ffff8801d2575f00 00000000019c14a0 ffff8801d2575f00 00000000019c14a0
 00000000019c2fb0 00007ffff1c53840 ffff8801d2575ed8 ffffffff8117dade
 0000000037f7d174 000000004f3b6889 ffff8801d0c2b600 ffff88014b811a80
Call Trace:
 [<ffffffff8117dade>] vfs_fstatat+0x4e/0x70
 [<ffffffff8117db1e>] vfs_lstat+0x1e/0x20
 [<ffffffff8117dcba>] sys_newlstat+0x1a/0x40
 [<ffffffff815e9982>] system_call_fastpath+0x16/0x1b
Code: 4c 89 65 e8 4c 89 6d f0 4c 89 75 f8 66 66 66 66 90 4c 8b 6e 30 49 89 fc 48 89 f3 49 89 d6 e8 71 58 0e 00 85 c0 75 1b 49 8b 55 20 <48> 8b 8a 80 00 00 00 48 85 c9 74 1d 4c 89 f2 48 89 de 4c 89 e7 
RIP  [<ffffffff8117da47>] vfs_getattr+0x37/0x80
 RSP <ffff8801d2575e68>
CR2: 0000000000000080



Expected results:

Having no errors or warnings.


Additional info:

Main
=================================
UUID: 108784e5-98c5-4059-a63c-3a4cafbda9cd
OS: Fedora release 16 (Verne)
Run level default: Unknown
Language: it_IT.UTF-8
Platform: x86_64
BogoMIPS: 4589.65
Vendor CPU: GenuineIntel
Model CPU: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz
CPU Stepping: 7
Famiglia della CPU: 6
Model number CPU: 42
Number of CPU: 4
Speed CPU: 2301
RAM: 5825
Swap: 6975
Vendor: Acer
System: Aspire 4830TG V1.05
Form factor: Notebook
Kernel: 3.2.7-1.fc16.x86_64
SELinux abilitato: 1
Politica di SELinux: targeted
SELinux Enforce: Enforcing
MythTV Remote: Unknown
MythTV Role: Unknown
MythTV Theme: Unknown
MythTV Plugin: 
MythTV Tuner: -1


Devices
=================================
(32902:7241:4133:1359) pci, None, PCI/ISA, HM65 Express Chipset Family LPC Controller
(4332:21001:4133:1359) pci, None, MISC, N/A
(32902:278:4133:1359) pci, i915, VIDEO, 2nd Generation Core Processor Family Integrated Graphics Controller
(32902:7190:4133:1359) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 4
(32902:7184:4133:1359) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 1
(32902:7186:4133:1359) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 2
(32902:7200:4133:1359) pci, snd_hda_intel, MULTIMEDIA, 6 Series/C200 Series Chipset Family High Definition Audio Controller
(32902:7188:4133:1359) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 3
(32902:7202:4133:1359) pci, None, SERIAL, 6 Series/C200 Series Chipset Family SMBus Controller
(6505:4227:4133:1359) pci, atl1c, ETHERNET, AR8151 v2.0 Gigabit Ethernet
(4147:404:4133:1359) pci, xhci_hcd, USB, uPD720200 USB 3.0 Host Controller
(5772:46:4187:57396) pci, ath9k, NETWORK, AR9287 Wireless Network Adapter (PCI-Express)
(32902:7171:4133:1359) pci, ahci, STORAGE, 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
(32902:7213:4133:1359) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
(32902:7206:4133:1359) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
(32902:260:4133:1359) pci, agpgart-intel, HOST/PCI, 2nd Generation Core Processor Family DRAM Controller
(32902:7226:4133:1359) pci, None, SIMPLE, 6 Series/C200 Series Chipset Family MEI Controller #1

filesystem
=================================
device mtpt type bsize frsize blocks bfree bavail file ffree favail
-------------------------------------------------------------------
/dev/mapper/vg_azamboni-FedoraRoot / ext4 4096 4096 8941059 7467534 7019432 2244608 2057383 2057383
/dev/mapper/vg_azamboni-FedoraHome /home ext4 4096 4096 90273475 88727404 84208697 22593536 22551151 22551151