Re: [Madwifi-users] NETDEV WATCHDOG: ath0: transmit timed out
Status: Beta
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From: silas b. <spi...@ho...> - 2003-10-11 02:56:38
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Hi Greg, <Snip> >>I just checked... I actually had to drop my mtu to 1100 before I get a >>reliable connection. </Snip> My Logs still overflow with the WATCHDOG even at mtu 900, it just takes longer. Just to see I dropped it down to 200, and aside of the connection being compleatly unusable, I still get the NETDEV WATCHDOG. I am begining to doubt that the mtu is the real issue. Do you have any insight on this? =0) Silas >From: Greg Chesson <ma...@at...> >Reply-To: ma...@at... >To: silas bennett <spi...@ho...> >CC: aku...@me..., mad...@li... >Subject: Re: [Madwifi-users] NETDEV WATCHDOG: ath0: transmit timed out >Date: Fri, 10 Oct 2003 19:04:04 -0700 > >This is quite interesting. >It may mean that we'll have to implement and enable fragmentation >for 11b users of this driver. > >g > >silas bennett wrote: >>Hello again, >> >>I just checked... I actually had to drop my mtu to 1100 before I get a >>reliable connection. Also I don't issue the command manually. >> >>I have this in my (debian) /etc/network/interfaces script (sure you can do >>something like this in a non debian environment): >> >>preup ifconfig ath0 mtu 1100 >> >> >>Cheers, >>Silas >> >> >>=0) >> >> >> >> >>>From: "silas bennett" <spi...@ho...> >>>To: aku...@me..., mad...@li... >>>Subject: Re: [Madwifi-users] NETDEV WATCHDOG: ath0: transmit timed out >>>Date: Fri, 10 Oct 2003 15:29:13 -0700 >>> >>> >>>hello Amit, >>> >>>try: >>> >>>ifconfig ath0 mtu 1200 >>> >>>this has worked for some. >>> >>> >>>Cheers, >>>Silas Bennett >>> >>> >>>=0) >>> >>> >>> >>>>From: Amit Kucheria <aku...@me...> >>>>To: madwifi-users <mad...@li...> >>>>Subject: [Madwifi-users] NETDEV WATCHDOG: ath0: transmit timed out >>>>Date: Fri, 10 Oct 2003 14:06:02 -0700 >>>> >>>>Hi, >>>> >>>>I see a *lot* of timeouts from the madwifi driver for my D-Link >>>>DWL-AG520 cards. Some information about my configuration is given below. >>>> >>>>I haven't looked at the driver code yet, hoping that somebody already >>>>has a fix to these problems. But I havent found anything in the >>>>archives. >>>> >>>>As you can see, i see a *lot* of errors on packet RX too. And for some >>>>reason, the Tx-Power is 'off' even though I am pinging back and forth >>>>between two machines. >>>> >>>>Thanks for your time. >>>> >>>>Regards, >>>>/Amit >>>> >>>>$ cat /proc/interrupts >>>> CPU0 >>>> 0: 447378 XT-PIC timer >>>> 1: 6 XT-PIC keyboard >>>> 2: 0 XT-PIC cascade >>>> 3: 51 XT-PIC wlan1 >>>> 5: 1094852 XT-PIC usb-uhci, ath0 >>>> 8: 1 XT-PIC rtc >>>> 10: 52 XT-PIC usb-uhci, wlan0 >>>> 11: 0 XT-PIC ehci-hcd >>>> 12: 37132 XT-PIC usb-uhci, wlan2, eth0, PS/2 Mouse >>>> 14: 5092 XT-PIC ide0 >>>>NMI: 0 >>>>ERR: 0 >>>> >>>>$ iwconfig ath0 >>>> >>>>ath0 IEEE 802.11-DS ESSID:"foo" >>>> Mode:Master Frequency:2.422GHz Access Point: >>>>00:80:C8:16:33:6B >>>> Bit Rate=0kb/s Tx-Power:off Sensitivity=0/3 >>>> Retry:off RTS thr:off Fragment thr:off >>>> Encryption key:off >>>> Power Management:off >>>> Link Quality:0/92 Signal level:21/154 Noise level:0/154 >>>> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 >>>> Tx excessive retries:0 Invalid misc:0 Missed beacon:0 >>>> >>>>$ ifconfig ath0 >>>> >>>>ath0 Link encap:Ethernet HWaddr 00:80:C8:16:33:6B >>>> inet addr:172.168.0.60 Bcast:172.168.255.255 >>>>Mask:255.255.0.0 >>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >>>> RX packets:345543 errors:194284 dropped:0 overruns:0 >>>>frame:15119 >>>> TX packets:339252 errors:0 dropped:0 overruns:0 carrier:0 >>>> collisions:0 txqueuelen:199 >>>> RX bytes:41139267 (39.2 Mb) TX bytes:40673569 (38.7 Mb) >>>> Interrupt:5 Memory:c8887000-c8897000 >>>> >>>>-- >>>> .| Amit Kucheria |. >>>> ...| Wireless Systems Engineer |... >>>> .....| Metric Systems Corp., San Diego, CA |..... >>>>......| www.metricsystems.com |...... >>>><< signature.asc >> >>> >>> >>>_________________________________________________________________ >>>Frustrated with dial-up? 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