Hello linux-wireless list!
I am using a Sparklan WPEA-166G/W with Chipset AR5BXB63 Rev. 11 (it's a
MiniPCI-card) in an embedded X86-System (Pipal 2140U, Intel ATOM
processor). It's running voyage-0.6.5, which essentially is a Debian
Lenny System.
I am running kernel 2.6.33.9-rt31:
demo00000001:~# uname -a
Linux SSB_wlan-demo00000001 2.6.33.9-rt31-atom-ssb #1 PREEMPT RT Mon May
9 18:25:28 CEST 2011 i686 GNU/Linux
I installed the compat-wireless drivers version 2.6.38.2-2 (
http://www.orbit-lab.org/kernel/compat-wireless-2.6-stable/v2.6.38/compat-wireless-2.6.38.2-2.tar.bz2
) and installed everything I need according to this webpage:
http://acx100.erley.org/stable.html
Once issueing modprobe ath5k, putting the interface up and waiting for
~30sec, I get a kernel panic. Could this be a bug or am I doing
something wrong?
The error only occurrs after putting the interface up. If I don't do so,
the error won't be there.
Here is some output from the machine:
demo00000001:~# modprobe ath5k && ifconfig wlan0 up
[ 48.363894] Compat-wireless backport release: compat-wireless-2.6.38.2-2
[ 48.372351] Backport based on linux-2.6-allstable.git v2.6.38.2
[ 48.411748] cfg80211: Calling CRDA to update world regulatory domain
[ 48.517969] ath5k 0000:09:00.0: using bridge 0000:00:1c.2 INT A to
get IRQ 17
[ 48.526919] ath5k 0000:09:00.0: PCI->APIC IRQ transform: INT A -> IRQ 17
[ 48.534315] ath5k 0000:09:00.0: registered as 'phy0'
[ 49.162919] ath5k phy0: Atheros AR2425 chip found (MAC: 0xe2, PHY: 0x70)
demo00000001:~# [ 77.953752] ------------[ cut here ]------------
[ 77.958711] WARNING: at
/home/dborgmann/downloads/compat-wireless-2.6.38.2-2/net/mac80211/rx.c:2827
ieee80211_rx+0x38/0x6fe [mac80211]()
[ 77.971856] Hardware name: Luna Pier CRB
[ 77.976049] Modules linked in: [last unloaded: scsi_wait_scan]
[ 77.982354] Pid: 9, comm: sirq-tasklet/0 Not tainted
2.6.33.9-rt31-atom-ssb #1
[ 77.990090] Call Trace:
[ 77.992732] [<c011852f>] warn_slowpath_common+0x65/0x7c
[ 77.998419] [<e0024ad1>] ? ieee80211_rx+0x38/0x6fe [mac80211]
[ 78.004672] [<c0118553>] warn_slowpath_null+0xd/0x10
[ 78.010119] [<e0024ad1>] ieee80211_rx+0x38/0x6fe [mac80211]
[ 78.016157] [<c022d6e8>] ? __alloc_skb+0x4c/0x110
[ 78.021296] [<c0106297>] ? nommu_map_page+0x3c/0x51
[ 78.026648] [<e00992c9>] ? ath5k_rx_skb_alloc+0x99/0x10a [ath5k]
[ 78.033190] [<e009b989>] ath5k_tasklet_rx+0x59f/0x60b [ath5k]
[ 78.039454] [<c011c486>] __tasklet_action.clone.8+0x76/0xd1
[ 78.045502] [<c011c529>] tasklet_action+0x23/0x25
[ 78.050640] [<c011c285>] run_ksoftirqd+0xf0/0x19b
[ 78.055788] [<c011c195>] ? run_ksoftirqd+0x0/0x19b
[ 78.061032] [<c0127829>] kthread+0x5e/0x63
[ 78.065538] [<c01277cb>] ? kthread+0x0/0x63
[ 78.070107] [<c0102bb6>] kernel_thread_helper+0x6/0x10
[ 78.075695] ---[ end trace 6b864a3c0aa1a8eb ]---
Best regards,
Dennis
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