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Sad Total lockup with xircom in promiscuous mode 

Forum: Xircom PCMCIA Ethernet Adapter Issues
Re: None Machine Lockup with high network traffic (Mark Harvey)
Date: 1999, Dec 08
From: Mark Harvey <mark.harvey@enstor.com.au>

The on-going saga... With the help of vmware I found they put the driver in promiscuous mode when vmware is configured as 'bridged' mode. As an experiment I did not run vmware and did run 'tcpdump -n -i eth0' instead. Result: Total lockup after 10 minutes...

ie can not ping, keyboard dead, only power button works.

A network backup started just after 20:30. This machine is NOT involved with the backup, it just happens to be connected to the same collision domain on the 100Mbit ethernet.

----- /var/log/messages -----

Dec  8 20:30:00 xsara CRON[1116]: (root) CMD (/sbin/rmmod -a)
Dec  8 20:34:00 xsara kernel: xirc2ps_cs: eth0: RX drop, too much done
Dec  8 20:34:30 xsara last message repeated 1098 times
Dec  8 20:35:00 xsara CRON[1130]: (root) CMD (/sbin/rmmod -a)
Dec  8 20:37:06 xsara kernel: xirc2ps_cs: eth0: RX drop, too much done
Dec  8 20:37:37 xsara last message repeated 2919 times
Dec  8 20:38:37 xsara last message repeated 4872 times
Dec  8 20:39:39 xsara last message repeated 7735 times                          Dec  8 20:40:00 xsara last message repeated 7318 times
Dec  8 20:40:00 xsara CRON[1133]: (root) CMD (/sbin/rmmod -a)
Dec  8 20:40:00 xsara kernel: xirc2ps_cs: eth0: RX drop, too much done
Dec  8 20:40:30 xsara last message repeated 12388 times                         Dec  8 20:40:58 xsara last message repeated 1201 times
Dec  8 20:42:00 xsara CRON[1146]: (root) CMD ([ -x /usr/sbin/cronloop ] && /usr/
sbin/cronloop Hourly)
Dec  8 20:42:08 xsara kernel: xirc2ps_cs: eth0: RX drop, too much done
Dec  8 20:42:44 xsara last message repeated 3089 times
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Dec 9 09:05:09 xsara syslogd 1.3-3: restart. Dec 9 09:05:11 xsara kernel: klogd 1.3-3, log source = /proc/kmsg started. Dec 9 09:05:11 xsara kernel: Inspecting /System.map D

----------- End of /var/log/message ------

Unfortunally nothing of interest in the log file.

Hardware/software config : Compaq Armada 1750, Xircom RealPort 10/100, xirc2ps_cs.c 1.31 1998/12/09 19:32:55 (dd9jn+kvh), Kernal 2.2.13, pcmcia 3.1.5

The laptop is plugged into a 100Mbit shared hub. The problem occurs when a lot of traffic is generated on the network. In our case a backup between a server and a client machine.

Regards Mark Harvey

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1. None Well, I guess that's progress by David Hinds, 1999, Dec 09

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