[orbit-user] iwconfig problem or node problem

[zanb at eden.rutgers.edu]

Hi all,
 I was doing some iwconfig command channing channel both manully and by
script on some sandbox nodes. And I received the following errors:

bss channel not setup<0>------------[ cut here ]------------
kernel BUG at /usr/src/madwifi-3366/net80211/ieee80211_node.c:286!
invalid opcode: 0000 [#1]
SMP
Modules linked in: rfcomm l2cap bluetooth button ac battery autofs4 ipv6
ebtable_broute bridge ebtable_nat ebtable_filter ebtables dm_snapshot
dm_mirror dm_mod loop usb8xxx evdev libertas ieee80211 ieee80211_crypt
pcspkr i2c_viapro i2c_core via_ircc irda rtc psmouse crc_ccitt serio_raw
wlan_scan_sta prism54 ath_rate_sample ath_pci wlan firmware_class via_agp
ath_hal(P) shpchp pci_hotplug agpgart ext3 jbd mbcache ide_disk generic
via82cxxx ide_core ehci_hcd ata_generic libata scsi_mod uhci_hcd usbcore
skge thermal processor fan
CPU:    0
EIP:    0060:[<dea282b5>]    Tainted: P       VLI
EFLAGS: 00010292   (2.6.22-3-686 #1)
EIP is at ieee80211_dup_bss_debug+0x12a/0x172 [wlan]
eax: 00000018   ebx: dd5d0420   ecx: 00000086   edx: 00000000
esi: d98e3000   edi: dd970420   ebp: d98e31c3   esp: c0349d68
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
Process swapper (pid: 0, ti=c0348000 task=c03202a0 task.ti=c0348000)
Stack: dea3f8fe 000000fe dea3a10b 000002a1 00000103 00000286 0000013b
dea3ac2d
       dea3ac2d dd5d18f8 dd42c000 dd970420 d98ee0a0 dd970420 dea2831a
dea3ada0
       000005cc dd42c000 d98ee0aa dea21071 00000143 0620f979 64f01be5
00000286
Call Trace:
 [<dea2831a>] ieee80211_fakeup_adhoc_node_debug+0x1d/0x73 [wlan]
 [<dea21071>] ieee80211_input+0x25e/0x19c9 [wlan]
 [<dea6a8b5>] ath_intr+0x12ca/0x15ad [ath_pci]
 [<dea1b8a2>] track_skb+0x10b/0x115 [wlan]
 [<c024460a>] skb_copy+0xb9/0xc1
 [<dea1ba2e>] skb_copy_debug+0x3b/0x41 [wlan]
 [<dea22861>] ieee80211_input_all+0x85/0xb5 [wlan]
 [<dea65848>] ath_rx_tasklet+0x83c/0x9b8 [ath_pci]
 [<c013720b>] getnstimeofday+0x30/0xb9
 [<c01090a5>] pit_next_event+0x2e/0x33
 [<c0137c7e>] clocksource_get_next+0x39/0x3f
 [<c0136e5e>] update_wall_time+0x4e0/0x644
 [<c01ce76c>] rb_insert_color+0x4c/0xad
 [<c012786a>] tasklet_action+0x58/0xb8
 [<c01273e5>] __do_softirq+0x66/0xd3
 [<c0127497>] do_softirq+0x45/0x53
 [<c01276fb>] irq_exit+0x38/0x6b
 [<c0106383>] do_IRQ+0x5a/0x6f
 [<de82674c>] acpi_processor_idle+0x0/0x420 [processor]
 [<c0104773>] common_interrupt+0x23/0x28
 [<de82674c>] acpi_processor_idle+0x0/0x420 [processor]
 [<c0119b92>] native_safe_halt+0x2/0x3
 [<de8266d2>] acpi_safe_halt+0x1c/0x29 [processor]
 [<de8268da>] acpi_processor_idle+0x18e/0x420 [processor]
 [<de82674c>] acpi_processor_idle+0x0/0x420 [processor]
 [<de82674c>] acpi_processor_idle+0x0/0x420 [processor]
 [<c01023ab>] cpu_idle+0xab/0xcc
 [<c034d973>] start_kernel+0x339/0x341
 [<c034d17b>] unknown_bootoption+0x0/0x202
 =======================
Code: 60 03 00 00 66 89 86 87 01 00 00 8b 9f b4 00 00 00 8b 93 74 11 00 00
81 fa ff ff 00 00 75 10 c7 04 24 fe f8 a3 de e8 10 b4 6f e1 <0f> 0b eb fe
8b 06 89 96 d4 01 00 00 f6 80 35 02 00 00 01 89 e8
EIP: [<dea282b5>] ieee80211_dup_bss_debug+0x12a/0x172 [wlan] SS:ESP
0068:c0349d68
Kernel panic - not syncing: Fatal exception in interrupt


I am not sure it is because of the node itself has problem or some other
reasons. Because yesterday I test on grid, I didn't see such problem.

Thanks,
Bin Zan