Bug 1005534

Description of problem:

Running F20 Live Desktop i686 TC4.

Same issue as bug #966249 and bug #990955.

Sep 08 02:56:07 localhost kernel: BUG: scheduling while atomic: swapper/1/0/0x10000300
Sep 08 02:56:07 localhost kernel: Modules linked in: ebtable_nat bnep bluetooth nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_nat
Sep 08 02:56:07 localhost kernel:  sata_nv forcedeth pata_amd sunrpc loop
Sep 08 02:56:07 localhost kernel: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.11.0-3.fc20.i686 #1
Sep 08 02:56:07 localhost kernel: Hardware name: System manufacturer System Product Name/M2N-E, BIOS ASUS M2N-E ACPI BIOS Revision 1701 10/30/2008
Sep 08 02:56:07 localhost kernel:  00000000 00000000 f40d7b90 c097587e 00000001 f40d7ba8 c0972c2e c0b07f34
Sep 08 02:56:07 localhost kernel:  f40b2dec 00000000 10000300 f40d7c24 c0979e7e f40d7bf0 c046fe8b f48f6940
Sep 08 02:56:07 localhost kernel:  c0d06940 c0d01c00 0000bc00 c0d06940 f48f6940 f40b2bc0 00000004 00000000
Sep 08 02:56:07 localhost kernel: Call Trace:
Sep 08 02:56:07 localhost kernel:  [<c097587e>] dump_stack+0x41/0x52
Sep 08 02:56:07 localhost kernel:  [<c0972c2e>] __schedule_bug+0x52/0x60
Sep 08 02:56:07 localhost kernel:  [<c0979e7e>] __schedule+0x6de/0x6f0
Sep 08 02:56:07 localhost kernel:  [<c046fe8b>] ? update_rq_clock.part.78+0x1b/0x2a0
Sep 08 02:56:07 localhost kernel:  [<c0470fa5>] ? check_preempt_curr+0x65/0x90
Sep 08 02:56:07 localhost kernel:  [<c0470fe8>] ? ttwu_do_wakeup+0x18/0x100
Sep 08 02:56:07 localhost kernel:  [<c04710eb>] __cond_resched+0x1b/0x30
Sep 08 02:56:07 localhost kernel:  [<c097a1d6>] _cond_resched+0x26/0x30
Sep 08 02:56:07 localhost kernel:  [<c0978690>] mutex_lock+0x10/0x28
Sep 08 02:56:07 localhost kernel:  [<f91063ed>] ath9k_htc_sta_rc_update+0x2d/0x90 [ath9k_htc]
Sep 08 02:56:07 localhost kernel:  [<c0472eaf>] ? wake_up_process+0x1f/0x40
Sep 08 02:56:07 localhost kernel:  [<c04767cd>] ? __enqueue_entity+0x6d/0x80
Sep 08 02:56:07 localhost kernel:  [<f91063c0>] ? ath9k_htc_conf_tx+0x100/0x100 [ath9k_htc]
Sep 08 02:56:07 localhost kernel:  [<fa74be43>] rate_control_rate_update+0xff/0x138 [mac80211]
Sep 08 02:56:07 localhost kernel:  [<c04767cd>] ? __enqueue_entity+0x6d/0x80
Sep 08 02:56:07 localhost kernel:  [<fa71db6e>] ieee80211_rx_handlers+0x1a5e/0x1e90 [mac80211]
Sep 08 02:56:07 localhost kernel:  [<c047bd69>] ? enqueue_task_fair+0x559/0x760
Sep 08 02:56:07 localhost kernel:  [<fa71e3d3>] ieee80211_prepare_and_rx_handle+0x433/0xa90 [mac80211]
Sep 08 02:56:07 localhost kernel:  [<fa71ecdb>] ieee80211_rx+0x2ab/0x7a0 [mac80211]
Sep 08 02:56:07 localhost kernel:  [<c0471191>] ? ttwu_do_activate.constprop.87+0x51/0x60
Sep 08 02:56:07 localhost kernel:  [<f9104f36>] ath9k_rx_tasklet+0x336/0x600 [ath9k_htc]
Sep 08 02:56:07 localhost kernel:  [<c046942f>] ? raw_notifier_call_chain+0x1f/0x30
Sep 08 02:56:07 localhost kernel:  [<c044c2a5>] tasklet_action+0x55/0xe0
Sep 08 02:56:07 localhost kernel:  [<c044c6e9>] __do_softirq+0xc9/0x1e0
Sep 08 02:56:07 localhost kernel:  [<c049aa02>] ? tick_do_update_jiffies64+0xe2/0x140
Sep 08 02:56:07 localhost kernel:  [<c047542d>] ? sched_clock_idle_wakeup_event+0x1d/0x20
Sep 08 02:56:07 localhost kernel:  [<c044c965>] irq_exit+0x95/0xa0
Sep 08 02:56:07 localhost kernel:  [<c0404515>] do_IRQ+0x45/0xb0
Sep 08 02:56:07 localhost kernel:  [<c0983073>] common_interrupt+0x33/0x38
Sep 08 02:56:07 localhost kernel:  [<c04387e5>] ? native_safe_halt+0x5/0x10
Sep 08 02:56:07 localhost kernel:  [<c0409e0c>] default_idle+0x1c/0xa0
Sep 08 02:56:07 localhost kernel:  [<c0409eca>] amd_e400_idle+0x3a/0xe0
Sep 08 02:56:07 localhost kernel:  [<c040a556>] arch_cpu_idle+0x26/0x30
Sep 08 02:56:07 localhost kernel:  [<c049075b>] cpu_startup_entry+0x9b/0x200
Sep 08 02:56:07 localhost kernel:  [<c042d34b>] ? setup_APIC_timer+0xab/0x130
Sep 08 02:56:07 localhost kernel:  [<c042bbb8>] start_secondary+0x208/0x2d0



Version-Release number of selected component (if applicable):

F20 Live Desktop i686 TC4.


How reproducible:


Steps to Reproduce:
1. Boot F20 Live Desktop i686 TC4 DVD
2. Enable wireless networking.
3. Wait for a period that varies from just after booting to a few hours.

Actual results:

Networking eventually crashes and I must reboot to get the machine back to a stable state.

Expected results:


Additional info:

I using a TP-Link TL-WN822N v2.0 USB wireless adapter.

$ lsusb
Bus 001 Device 003: ID 0cf3:7015 Atheros Communications, Inc. TP-Link TL-WN821N v3 802.11n [Atheros AR7010+AR9287]


I've had this bug since F18 kernel > 3.8.11.