libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.2.3-2.fc16.x86_64 root=/dev/mapper/luks-18c82bd7-1af4-4cf6-968d-7e4ede396e12 ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rd.luks.uuid=luks-18c82bd7-1af4-4cf6-968d-7e4ede396e12 rhgb LANG=en_US.UTF-8
kernel:         3.2.3-2.fc16.x86_64
reason:         [269294.156539] WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]()
time:           Thu 23 Feb 2012 01:13:20 PM EST

backtrace:
:[269294.156539] WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]()
:[269294.156542] Hardware name: 4286CTO
:[269294.156543] Modules linked in: usb_storage tcp_lp ppdev parport_pc lp parport fuse be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 8021q mdio garp fcoe stp llc ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad libfcoe ib_core libfc ib_addr scsi_transport_fc iscsi_tcp libiscsi_tcp scsi_tgt libiscsi scsi_transport_iscsi rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack btusb bluetooth snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev media v4l2_compat_ioctl32 arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm microcode iwlwifi thinkpad_acpi mac80211 joydev i2c_i801 e1000e iTCO_wdt snd_timer tpm_tis iTCO_vendor_support snd tpm cfg80211 tpm_bios soundcore snd_page_alloc rfkill uinput xts gf128mul dm_crypt sdhci_pci sdhci mmc_core wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:[269294.156607] Pid: 953, comm: NetworkManager Not tainted 3.2.3-2.fc16.x86_64 #1
:[269294.156609] Call Trace:
:[269294.156610]  <IRQ>  [<ffffffff8106dd4f>] warn_slowpath_common+0x7f/0xc0
:[269294.156619]  [<ffffffff8106ddaa>] warn_slowpath_null+0x1a/0x20
:[269294.156628]  [<ffffffffa020944e>] rate_control_send_low+0x23e/0x250 [mac80211]
:[269294.156634]  [<ffffffffa02a1d15>] rs_get_rate+0x65/0x1d0 [iwlwifi]
:[269294.156643]  [<ffffffffa02097c6>] rate_control_get_rate+0x96/0x170 [mac80211]
:[269294.156652]  [<ffffffffa021559f>] invoke_tx_handlers+0x6ff/0x13e0 [mac80211]
:[269294.156659]  [<ffffffffa01f4dac>] ? sta_info_get+0x6c/0x80 [mac80211]
:[269294.156668]  [<ffffffffa02163d0>] ieee80211_tx+0x60/0xc0 [mac80211]
:[269294.156676]  [<ffffffffa02164b1>] ieee80211_xmit+0x81/0xd0 [mac80211]
:[269294.156684]  [<ffffffffa02174bf>] ieee80211_tx_skb_tid+0x5f/0x70 [mac80211]
:[269294.156692]  [<ffffffffa01fbf01>] ieee80211_send_bar+0xe1/0x100 [mac80211]
:[269294.156698]  [<ffffffffa01f45d6>] ieee80211_tx_status+0x8e6/0xbc0 [mac80211]
:[269294.156705]  [<ffffffffa01f2ee9>] ieee80211_tasklet_handler+0x179/0x180 [mac80211]
:[269294.156708]  [<ffffffff81074d18>] tasklet_action+0x78/0x140
:[269294.156711]  [<ffffffff81075378>] __do_softirq+0xb8/0x230
:[269294.156714]  [<ffffffff815eb9ec>] call_softirq+0x1c/0x30
:[269294.156717]  [<ffffffff81016275>] do_softirq+0x65/0xa0
:[269294.156719]  [<ffffffff8107578e>] irq_exit+0x9e/0xc0
:[269294.156722]  [<ffffffff815ec2a3>] do_IRQ+0x63/0xe0
:[269294.156725]  [<ffffffff815e1c2e>] common_interrupt+0x6e/0x6e
:[269294.156726]  <EOI>  [<ffffffff815e9782>] ? system_call_fastpath+0x16/0x1b

comment:
:Running Fedora 16 on a Thinkpad x220 (I'm not sure which wireless card is in there).
:
:Works fine at home.
:
:At MIT on an 802.11n network, something crashes in the kernel and the network stops working.  Network-manager thinks the network is still up, but nothing actually comes or goes.

smolt_data:
:
:
:General
:=================================
:UUID: c01810c2-a732-402e-8c35-750e1f05f19b
:OS: Fedora release 16 (Verne)
:Default run level: Unknown
:Language: en_US.UTF-8
:Platform: x86_64
:BogoMIPS: 5581.60
:CPU Vendor: GenuineIntel
:CPU Model: Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz
:CPU Stepping: 7
:CPU Family: 6
:CPU Model Num: 42
:Number of CPUs: 4
:CPU Speed: 2801
:System Memory: 7870
:System Swap: 9919
:Vendor: LENOVO
:System: 4286CTO ThinkPad X220
:Form factor: Notebook
:Kernel: 3.2.3-2.fc16.x86_64
:SELinux Enabled: 1
:SELinux Policy: targeted
:SELinux Enforce: Enforcing
:MythTV Remote: Unknown
:MythTV Role: Unknown
:MythTV Theme: Unknown
:MythTV Plugin: 
:MythTV Tuner: -1
:
:
:Devices
:=================================
:(32902:7247:6058:8666) pci, None, PCI/ISA, QM67 Express Chipset Family LPC Controller
:(4480:59426:6058:8666) pci, sdhci-pci, BASE, MMC/SD Host Controller
:(32902:294:6058:8666) pci, i915, VIDEO, 2nd Generation Core Processor Family Integrated Graphics Controller
:(32902:7190:6058:8666) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 4
:(32902:7184:6058:8666) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 1
:(32902:7186:6058:8666) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 2
:(32902:7196:6058:8666) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 7
:(32902:7192:6058:8666) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 5
:(32902:7200:6058:8666) pci, snd_hda_intel, MULTIMEDIA, 6 Series/C200 Series Chipset Family High Definition Audio Controller
:(32902:5378:6058:8654) pci, e1000e, ETHERNET, 82579LM Gigabit Network Connection
:(32902:7213:6058:8666) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
:(32902:7202:6058:8666) pci, i801_smbus, SERIAL, 6 Series/C200 Series Chipset Family SMBus Controller
:(32902:133:32902:4881) pci, iwlwifi, NETWORK, Centrino Advanced-N 6205 AGN
:(32902:7171:6058:8666) pci, ahci, STORAGE, 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
:(32902:7229:6058:8666) pci, serial, 16550_SERIAL, 6 Series/C200 Series Chipset Family KT Controller
:(32902:7206:6058:8666) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
:(32902:260:6058:8666) pci, agpgart-intel, HOST/PCI, 2nd Generation Core Processor Family DRAM Controller
:(32902:7226:6058:8666) pci, None, SIMPLE, 6 Series/C200 Series Chipset Family MEI Controller #1
:(4147:404:6058:8666) pci, xhci_hcd, USB, uPD720200 USB 3.0 Host Controller
:
:
:Filesystem Information
:=================================
:device mtpt type bsize frsize blocks bfree bavail file ffree favail
:-------------------------------------------------------------------
:/dev/mapper/luks-18c82bd7-1af4-4cf6-968d-7e4ede396e12 / ext4 4096 4096 36366891 29832036 29468131 9101312 8369013 8369013
:/dev/sda1 /boot ext4 1024 1024 508745 410755 385155 128016 127781 127781
: