#377: Adhoc mode kernel panic (r1443)
-------------------------------------+--------------------------------------
Reporter: [EMAIL PROTECTED] | Owner:
Type: defect | Status: new
Priority: blocker | Milestone:
Component: madwifi: driver | Version: trunk
Resolution: | Keywords: kernel panic
Patch_attached: 0 |
-------------------------------------+--------------------------------------
Comment (by [EMAIL PROTECTED]):
More information. Now using r1446, the following occurs after bring down
br0 WDS bridge then bring up ath0 device in ad-hoc mode.
{{{
voyage:~# ifdown br0
br0: port 3(ath0) entering disabled state
br0: port 2(ath1) entering disabled state
br0: port 1(eth0) entering disabled state
device ath0 left promiscuous mode
br0: port 3(ath0) entering disabled state
device ath1 left promiscuous mode
br0: port 2(ath1) entering disabled state
device eth0 left promiscuous mode
br0: port 1(eth0) entering disabled state
eth0: remaining active for wake-on-lan
ath1: ERROR while getting interface flags: No such device
ath0: ERROR while getting interface flags: No such device
run-parts: /etc/network/if-post-down.d/bridge exited with return code 255
voyage:~# ifup ath0
Unable to handle kernel NULL pointer dereference at virtual address
0000004c
printing eip:
c48e42a7
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: iptable_filter ipt_MASQUERADE iptable_nat ip_nat
ip_conntrack
ip_tables wlan_scan_sta bridge wlan_scan_ap uhci_hcd ohci_hcd ehci_hcd
usbcore
sc1200 scx200 ath_pci ath_rate_sample wlan ath_hal dm_mod scx200_acb lm77
i2c_co
re wd1100 hostap_pci hostap ieee80211_crypt natsemi crc32
CPU: 0
EIP: 0060:[<c48e42a7>] Tainted: P VLI
EFLAGS: 00010282 (2.6.15-486-voyage)
EIP is at ieee80211_input+0xe3/0xdc5 [wlan]
eax: c34eb080 ebx: c354f260 ecx: 00000071 edx: 00000000
esi: 00000000 edi: 00000000 ebp: c2fc4000 esp: c287ff20
ds: 007b es: 007b ss: 0068
Process nat.sh (pid: 3563, threadinfo=c287e000 task=c3d7a5c0)
Stack: c34eb020 00025c97 00000000 00025c97 00000000 c380f3e4 000080e8
00000000
c3a9cbdc 00000000 c3a9c260 c2fc4000 c35623c0 c10cd0f0 c4896129
c2fc4000
c35623c0 00000023 00005c76 c3578000 c3fd00f0 c3a9c000 00000000
c0359f68
Call Trace:
[<c4896129>] ath_rx_tasklet+0x301/0x4a0 [ath_pci]
[<c011516f>] tasklet_action+0x34/0x53
[<c0114f4c>] __do_softirq+0x34/0x7d
[<c0114fb7>] do_softirq+0x22/0x26
[<c0115051>] irq_exit+0x29/0x34
[<c0104afe>] do_IRQ+0x1e/0x24
[<c01035ea>] common_interrupt+0x1a/0x20
Code: 83 c0 00 00 00 e9 c2 0c 00 00 8b 3c 24 8a 57 01 83 e2 03 88 54 24 1b
88 c2
83 e2 0c 83 e0 f0 88 54 24 1a 88 44 24 19 8b 7c 24 24 <80> 7f 4c 00 0f 88
17 03
00 00 83 fe 06 0f 87 91 0c 00 00 ff 24
<0>Kernel panic - not syncing: Fatal exception in interrupt
}}}
--
Ticket URL: <http://madwifi.org/ticket/377>
MadWifi <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
