Hi!
Call trace made with vanilla 2.6.29.3 and compat-wireless-2009-05-14 on EEEPC
901.
Cheers,
elektra
WiFi NIC: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express
Adapter (rev 01)
Subsystem: Atheros Communications Inc. AR5006EX 802.11abg NIC
(2.4/5.0GHz, PCI Express)
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at f7ff0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable-
Capabilities: [60] Express Legacy Endpoint, MSI 00
Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Virtual Channel <?>
May 14 18:35:46 901 kernel: ------------[ cut here ]------------
May 14 18:35:46 901 kernel: WARNING:
at /usr/src/compat-wireless-2009-05-14/drivers/net/wireless/ath/ath5k/base.c:2165
ath5k_beacon_update_timers+0x30b/0x360 [ath5k]()
May 14 18:35:46 901 kernel: Hardware name: 901
May 14 18:35:46 901 kernel: Modules linked in: acpi_cpufreq snd_seq_dummy
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
snd_mixer_oss ipv6 ppdev lp parport_pc parport btusb bluetooth fuse
usb_storage snd_hda_codec_realtek snd_hda_intel ath5k snd_hda_codec mac80211
snd_hwdep led_class snd_pcm ath psmouse snd_timer i2c_i801 uhci_hcd video
thermal i2c_core snd rtc_cmos serio_raw sg evdev cfg80211 intel_agp rtc_core
output soundcore ehci_hcd eeepc_laptop ac atl1e rtc_lib processor battery
agpgart snd_page_alloc thermal_sys hwmon rfkill button
May 14 18:35:46 901 kernel: Pid: 2083, comm: phy0 Not tainted 2.6.29.3-smp #1
May 14 18:35:46 901 kernel: Call Trace:
May 14 18:35:46 901 kernel: [<c012c716>] warn_slowpath+0x86/0xa0
May 14 18:35:46 901 kernel: [<f85baa2b>]
ath5k_beacon_update_timers+0x30b/0x360 [ath5k]
May 14 18:35:46 901 kernel: [<c0143208>] ? down_trylock+0x28/0x40
May 14 18:35:46 901 kernel: [<c012cc9d>] ? try_acquire_console_sem+0xd/0x50
May 14 18:35:46 901 kernel: [<f85baaa9>] ath5k_reset_tsf+0x29/0x30 [ath5k]
May 14 18:35:46 901 kernel: [<f85385c1>] __ieee80211_sta_join_ibss+0x31/0x3e0
[mac80211]
May 14 18:35:46 901 kernel: [<c02981de>] ? extract_entropy+0x4e/0x90
May 14 18:35:46 901 kernel: [<c040f54d>] ? _spin_unlock_bh+0xd/0x10
May 14 18:35:46 901 kernel: [<c012d49b>] ? printk+0x1b/0x20
May 14 18:35:46 901 kernel: [<f8538cc1>] ieee80211_sta_find_ibss+0x351/0x430
[mac80211]
May 14 18:35:46 901 kernel: [<c038a757>] ? skb_release_data+0x57/0x80
May 14 18:35:46 901 kernel: [<f85392e0>] ? ieee80211_ibss_work+0x0/0x490
[mac80211]
May 14 18:35:46 901 kernel: [<f8539700>] ieee80211_ibss_work+0x420/0x490
[mac80211]
May 14 18:35:46 901 kernel: [<c0120ca1>] ? __dequeue_entity+0x21/0x40
May 14 18:35:46 901 kernel: [<c0120d70>] ? set_next_entity+0xb0/0xd0
May 14 18:35:46 901 kernel: [<c040d8e8>] ? schedule+0x418/0xa20
May 14 18:35:46 901 kernel: [<f85392e0>] ? ieee80211_ibss_work+0x0/0x490
[mac80211]
May 14 18:35:46 901 kernel: [<c013bced>] run_workqueue+0xad/0x140
May 14 18:35:46 901 kernel: [<c013c698>] worker_thread+0x88/0xe0
May 14 18:35:46 901 kernel: [<c013f560>] ? autoremove_wake_function+0x0/0x40
May 14 18:35:46 901 kernel: [<c013c610>] ? worker_thread+0x0/0xe0
May 14 18:35:46 901 kernel: [<c013f262>] kthread+0x42/0x70
May 14 18:35:46 901 kernel: [<c013f220>] ? kthread+0x0/0x70
May 14 18:35:46 901 kernel: [<c0103a5b>] kernel_thread_helper+0x7/0x1c
May 14 18:35:46 901 kernel: ---[ end trace 98b1d2d4a196ef83 ]---
May 14 18:35:46 901 kernel: ath5k phy0: bf=f63e9680 bf_skb=(null)
On Thu, May 14, 2009 at 1:28 PM, elektra <[email protected]> wrote:
> Hi!
Thanks for the report -- I can replicate this here. Usually IBSS
merge happens on second or third try.
> May 14 18:35:46 901 kernel: ?[<f85baa2b>]
> ath5k_beacon_update_timers+0x30b/0x360 [ath5k]
This must be WARN_ON(!intval), for some reason beacon interval
is zero in this path.
--
Bob Copeland %% http://www.bobcopeland.com