Problem with video streaming

Bernhard Roth Bernhard.Roth at pwrnet.de
Sat Jan 3 18:14:18 EST 2004


Hi!

I have a problem with hostap when I stream a mpeg video to my notebook per
UDP with VideoLAN (www.videolan.org). In the syslog following message is
coming up from time to time:

#Jan  3 16:26:45 router dhcpd: DHCPREQUEST for 192.168.0.26 from
00:02:2d:6b:f3:93 (w8x00020) via br0
#Jan  3 16:26:45 router dhcpd: DHCPACK on 192.168.0.26 to 00:02:2d:6b:f3:93
(w8x00020) via br0
#Jan  3 16:27:10 router kernel: wlan0: hfa384x_setup_bap - timeout after
#Jan  3 16:27:10 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:27:10 router kernel: wlan0: scheduled card reset
#Jan  3 16:27:10 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:27:10 router kernel: wlan0: prism2_tx: hw not ready - skipping
#Jan  3 16:27:10 router last message repeated 9 times
#Jan  3 16:27:10 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:27:11 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:27:11 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23050138)
#Jan  3 16:27:11 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:27:11 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23050162)
#Jan  3 16:27:13 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:27:13 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23050297)
#Jan  3 16:27:13 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:27:13 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23050358)
#Jan  3 16:27:19 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:27:19 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:27:19 router kernel: wlan0: CMD=810b EVSTAT=0000 OFFSET0=0000
OFFSET1=0000 SWSUPPORT0=8a32
#Jan  3 16:27:19 router kernel: wlan0: scheduled card reset
#Jan  3 16:27:19 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:27:19 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x0011, param0=0xf100)
#Jan  3 16:27:19 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:27:19 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout after
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:09 router kernel: wlan0: hfa384x_setup_bap - timeout before
#Jan  3 16:28:09 router kernel: wlan0: copy from BAP0 failed -110
#Jan  3 16:28:09 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:09 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:09 router kernel: NET: 85 messages suppressed.
#Jan  3 16:28:09 router kernel: wlan0: prism2_tx: hw not ready - skipping
#Jan  3 16:28:09 router last message repeated 9 times
#Jan  3 16:28:09 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:10 router kernel: wlan0: No more space in STA
(00:02:2d:6b:f3:93)'s PS mode buffer
#Jan  3 16:28:10 router last message repeated 13 times
#Jan  3 16:28:19 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:28:19 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:28:19 router kernel: wlan0: CMD=010b EVSTAT=0000 OFFSET0=0000
OFFSET1=0000 SWSUPPORT0=8a32
#Jan  3 16:28:19 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:19 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:19 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x010b, param0=0x013e)
#Jan  3 16:28:19 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x0011, param0=0xf100)
#Jan  3 16:28:19 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:19 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:20 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:20 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057038)
#Jan  3 16:28:20 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:20 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057050)
#Jan  3 16:28:20 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:20 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057057)
#Jan  3 16:28:21 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:21 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057094)
#Jan  3 16:28:21 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:21 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057127)
#Jan  3 16:28:21 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:21 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057138)
#Jan  3 16:28:25 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:25 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057533)
#Jan  3 16:28:25 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:25 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057546)
#Jan  3 16:28:26 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:26 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057610)
#Jan  3 16:28:27 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:27 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057730)
#Jan  3 16:28:27 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:27 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057780)
#Jan  3 16:28:28 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:28 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057799)
#Jan  3 16:28:28 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:28 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057848)
#Jan  3 16:28:28 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:28 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057872)
#Jan  3 16:28:29 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:29 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23057887)
#Jan  3 16:28:33 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:28:33 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:28:33 router kernel: wlan0: CMD=010b EVSTAT=0000 OFFSET0=0000
OFFSET1=0000 SWSUPPORT0=8a32
#Jan  3 16:28:33 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:33 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:33 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:33 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:34 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:34 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23058424)
#Jan  3 16:28:35 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:35 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23058502)
#Jan  3 16:28:35 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:35 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23058567)
#Jan  3 16:28:37 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:37 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23058745)
#Jan  3 16:28:41 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:41 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23059178)
#Jan  3 16:28:42 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:42 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23059186)
#Jan  3 16:28:42 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:42 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23059236)
#Jan  3 16:28:42 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:42 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23059259)
#Jan  3 16:28:43 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:43 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23059290)
#Jan  3 16:28:47 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:28:47 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:28:47 router kernel: wlan0: CMD=010b EVSTAT=0000 OFFSET0=0000
OFFSET1=0000 SWSUPPORT0=8a32
#Jan  3 16:28:47 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:47 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:47 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x010b, param0=0x01a7)
#Jan  3 16:28:47 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:47 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:47 router kernel: wlan0: driver bug - prism2_transmit() called
when previous TX was pending
#Jan  3 16:28:47 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:47 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:47 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:47 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x010b, param0=0x017d)
#Jan  3 16:28:47 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:47 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:51 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:28:51 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:28:51 router kernel: wlan0: CMD=810b EVSTAT=0000 OFFSET0=4000
OFFSET1=0013 SWSUPPORT0=0013
#Jan  3 16:28:51 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:51 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:51 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x010b, param0=0x01a7)
#Jan  3 16:28:51 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:51 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:55 router kernel: NETDEV WATCHDOG: wlan0: transmit timed out
#Jan  3 16:28:55 router kernel: wlan0 Tx timed out! Resetting card
#Jan  3 16:28:55 router kernel: wlan0: CMD=810b EVSTAT=0000 OFFSET0=0000
OFFSET1=0000 SWSUPPORT0=8a32
#Jan  3 16:28:55 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:55 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:55 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x0011, param0=0xf100)
#Jan  3 16:28:55 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:55 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:55 router kernel: wlan0: driver bug - prism2_transmit() called
when previous TX was pending
#Jan  3 16:28:55 router kernel: wlan0: prism2_tx - to BAP0 failed
#Jan  3 16:28:55 router kernel: wlan0: scheduled card reset
#Jan  3 16:28:55 router kernel: hostap_pci: wlan0: resetting card
#Jan  3 16:28:55 router kernel: wlan0: removed pending cmd_queue entry
(type=1, cmd=0x010b, param0=0x0129)
#Jan  3 16:28:55 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  3 16:28:55 router kernel: prism2_tx_timeout: wake up queue
#Jan  3 16:28:55 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:55 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23060583)
#Jan  3 16:28:56 router kernel: wlan0: TX callback - foreign frame
#Jan  3 16:28:56 router kernel: wlan0: Could not find STA 00:02:dd:34:65:67
for this TX error (@23060637)
#Jan  3 16:29:25 router kernel: wlan0: STA 00:02:2d:6b:f3:93 TX rate lowered
to 55
#Jan  3 16:30:13 router kernel: wlan0: STA 00:02:2d:6b:f3:93 TX rate lowered
to 20
#Jan  3 16:30:14 router kernel: wlan0: STA 00:02:2d:6b:f3:93 TX rate raised
to 55
#Jan  3 16:31:06 router kernel: wlan0: STA 00:02:2d:6b:f3:93 TX rate raised
to 110
#Jan  3 16:31:24 router kernel: wlan0: STA 00:02:2d:6b:f3:93 TX rate lowered
to 55



The data rate is about 4MBit/s and my notebook is about 1m away from the
antenna. The data rate should be constant at 11mbit.
The wireless network is wep encrypted.

When starting the computer, following message is displayed in syslog:

#Jan  1 00:25:58 router kernel: hostap_crypt: registered algorithm 'NULL'
#Jan  1 00:25:58 router kernel: hostap_pci: 0.1.2 - 2003-11-02 (Jouni
Malinen <jkmaline at cc.hut.fi>)
#Jan  1 00:25:58 router kernel: PCI: Found IRQ 12 for device 00:0a.0
#Jan  1 00:25:58 router kernel: hostap_pci: Registered netdevice wlan0
#Jan  1 00:25:58 router kernel: prism2_hw_init: initialized in 200 ms
#Jan  1 00:25:58 router kernel: wlan0: NIC: id=0x8013 v1.0.0
#Jan  1 00:25:58 router kernel: wlan0: PRI: id=0x15 v1.1.1
#Jan  1 00:25:58 router kernel: wlan0: STA: id=0x1f v1.5.6
#Jan  1 00:25:58 router kernel: wlan0: Intersil Prism2.5 PCI:
mem=0xe4025000, irq=12


wlan0 and eth0 are bridged together. The kernel used is 2.4.23 on a Debian
Woody system.

Do you have an idea what's wrong?

Thanks a lot!

Sincerly,

Bernhard Roth

PS: I saw in the log a message "driver bug". What do you need to solve it or
to find the reason why this is happening?









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