Okay, I really don't know what to think about this one.
Let me know what information to supply, box is wired up atm.
Kernel is current wireless-dev git, not zd1211rw-mac80211 branch
though.
Adapter is Fiberline WL-410U with Zydas1211B (?).
The kernel dump
skb_under_panic: text:ce95602e len:190 put:11 head:cb8fb000 data:cb8fafff
tail:0xcb8fb0bd end:0xcb8fb640 dev:wmaster0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:114!
invalid opcode: 0000 [#1]
PREEMPT
Modules linked in: via drm i2c_via i2c_algo_bit vt1211 hwmon_vid
zd1211rw_mac80211 rt2500usb rt2x00usb rt2x00lib rc80211_simple mac80211
cfg80211 i2c_viapro i2c_core ehci_hcd via_agp agpgart
CPU: 0
EIP: 0060:[<c0327544>] Not tainted VLI
EFLAGS: 00010292 (2.6.23-rt #5)
EIP is at skb_under_panic+0x54/0x60
eax: 00000079 ebx: c30fbd7c ecx: c53ec000 edx: 00000202
esi: 00000001 edi: 000000b7 ebp: c53eda6c esp: c53ed984
ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068
Process amule (pid: 4732, ti=c53ec000 task=cccf6ab0 task.ti=c53ec000)
Stack: c0409298 ce95602e 000000be 0000000b cb8fb000 cb8fafff cb8fb0bd
cb8fb640
cd86e800 c30fbd7c ce95603a 36000000 c53eda2c 00000031 cd7c8180
cd7c8dc0
00ac00f0 cb8fb00a cd7c8180 ce95a120 00000001 cd7c8180 c53eda2c
ce945ace
Call Trace:
[<ce95602e>] zd_op_tx+0x1ee/0x210 [zd1211rw_mac80211]
[<ce95603a>] zd_op_tx+0x1fa/0x210 [zd1211rw_mac80211]
[<ce945ace>] __ieee80211_tx+0x3e/0x160 [mac80211]
[<ce9467f8>] ieee80211_master_start_xmit+0x468/0x610 [mac80211]
[<c032e603>] dev_hard_start_xmit+0x213/0x310
[<c033b413>] __qdisc_run+0x63/0x1e0
[<c03309f0>] dev_queue_xmit+0x2d0/0x3e0
[<c0328a12>] pskb_expand_head+0x102/0x170
[<ce947fd7>] ieee80211_subif_start_xmit+0x317/0x570 [mac80211]
[<c03307d8>] dev_queue_xmit+0xb8/0x3e0
[<c0328a12>] pskb_expand_head+0x102/0x170
[<c032e603>] dev_hard_start_xmit+0x213/0x310
[<c033b413>] __qdisc_run+0x63/0x1e0
[<c011ce6e>] local_bh_enable+0x2e/0xc0
[<c03309f0>] dev_queue_xmit+0x2d0/0x3e0
[<c0348ffe>] ip_output+0x16e/0x2c0
[<c033b427>] __qdisc_run+0x77/0x1e0
[<c0349aa3>] ip_queue_xmit+0x183/0x390
[<ce99c55e>] via_driver_irq_handler+0xee/0x1c0 [via]
[<c0348ffe>] ip_output+0x16e/0x2c0
[<c035f468>] tcp_v4_send_check+0x38/0xe0
[<c0359b84>] tcp_transmit_skb+0x464/0x780
[<c03286b8>] kfree_skbmem+0x8/0x90
[<c0330219>] net_tx_action+0x49/0x100
[<c035b533>] __tcp_push_pending_frames+0x113/0x890
[<c0328fc5>] __alloc_skb+0x45/0x130
[<c03503bd>] tcp_sendmsg+0x7cd/0xbc0
[<c0322d9b>] sock_sendmsg+0xbb/0xf0
[<c012a5b0>] autoremove_wake_function+0x0/0x40
[<c032a440>] skb_queue_tail+0x30/0x50
[<ce955ded>] zd_mac_tx_to_dev+0x4d/0xa0 [zd1211rw_mac80211]
[<ce9583f6>] free_tx_urb+0x46/0x80 [zd1211rw_mac80211]
[<c028a9a7>] dma_pool_free+0xc7/0x190
[<ce958f86>] tx_urb_complete+0x66/0x100 [zd1211rw_mac80211]
[<c015e1c3>] fget_light+0x93/0xc0
[<c0323135>] sys_sendto+0x115/0x150
[<ce8f4747>] qh_completions+0x3e7/0x4a0 [ehci_hcd]
[<c0111c4e>] update_curr+0x12e/0x140
[<c01117a8>] update_stats_wait_end+0x88/0xd0
[<c0111a77>] update_curr_load+0x77/0x90
[<c010180c>] __switch_to+0x10c/0x140
[<c03231a7>] sys_send+0x37/0x40
[<c0324142>] sys_socketcall+0x142/0x250
[<c0102a92>] syscall_call+0x7/0xb
=======================
Code: 00 00 89 44 24 14 8b 83 8c 00 00 00 89 44 24 10 89 54 24 0c 8b 43
50 89 44 24 08 89 4c 24 04 c7 04 24 98 92 40 c0 e8 ac 10 df ff <0f> 0b eb
fe b8 d5 80 3e c0 eb ae 90 53 83 ec 24 89 c3 8b 40 14
EIP: [<c0327544>] skb_under_panic+0x54/0x60 SS:ESP 0068:c53ed984
Kernel panic - not syncing: Fatal exception in interrupt
-------------------------------------
"lsusb -v" fails very often with
zd1211rw_mac80211 4-1:1.0: error ioread32(CR_REG1): -22.
the device then disappears from lsusb and the
zd1211rt_mac80211 module needs to be reloaded. Could be a problem
with usb. I don't have debugging enabled there though.
Upon success:
Bus 004 Device 003: ID 0ace:1211
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 255 Vendor Specific Subclass
bDeviceProtocol 255 Vendor Specific Protocol
bMaxPacketSize0 64
idVendor 0x0ace
idProduct 0x1211
bcdDevice 43.30
iManufacturer 16 ZyDAS
iProduct 32 USB2.0 WLAN
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 255 Vendor Specific Subclass
bDeviceProtocol 255 Vendor Specific Protocol
bMaxPacketSize0 64
bNumConfigurations 1
Cheers,
mighty
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