Dlink DWL650 half working, link-Down when heavy loaded

[Jack <ifup@subdimension.com>]

Hi,

I'm using kernel 2.4.18,  latest orinoco_cs driver (same as
2.4.19-pre8's,  btw the driver comes with 2.4.18 does not work well at
all), pcmcia-cs 3.1.33:

....
cs: IO port probe 0x0c00-0x0cff: clean.
cs: IO port probe 0x0100-0x04ff: excluding 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.
hermes.c: 5 Apr 2002 David Gibson <hermes@gibson.dropbear.id.au>
orinoco.c 0.11b (David Gibson <hermes@gibson.dropbear.id.au> and others)
orinoco_cs.c 0.11b (David Gibson <hermes@gibson.dropbear.id.au> and
others)
eth1: Looks like an Intersil firmware version 1.03
eth1: Ad-hoc demo mode supported
eth1: IEEE standard IBSS ad-hoc mode supported
eth1: WEP supported, 104-bit key
eth1: MAC address 00:55:5D:D6:AC:21
eth1: Station name "Prism  I"
eth1: ready
eth1: index 0x01: Vcc 3.3, irq 3, io 0x0100-0x013f
eth1: Error -110 setting multicast list.
eth1: Error -110 setting multicast list.
eth1: Error -110 setting multicast list.
....

It works fine at low load (<100KB/s),  however,  if I wanna to dl/ul a
big file (ie. 4 MB) from/to other local lan host,  the link goes down
and get this in the syslog (even worse,  it could bring the whole
wireless network down.  When that happened,  I had to reset the AP):

eth1: error -110 reading Rx descriptor. Frame dropped.
eth1: Error -110 writing Tx descriptor to
BAP
last message repeated 7253 times
=============================================


I've also tried linux-wlan-ng-0.1.13 (or 0.1.14.pre?) and got same
symptom.  It reports the firmware version as:

ident: nic h/w: id=0x800c 1.0.0
ident: pri f/w: id=0x15 1.0.5
ident: sta f/w: id=0x1f 1.3.4


=============================================

There is nothing wrong with the card,  I've tested it on other's
windows2000 machine and it handles quite well with big file downloading
via the same AP.

My questions is:

  I've found some posts against DWL650, same problem.  Does anyone
  on this mailing-list use the same card without any problem at all?


Thanks for reading,
Jack



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