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Date:      Thu, 02 Dec 2004 22:56:35 +0100
From:      Erik Norgaard <norgaard@locolomo.org>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Mozilla breaks atheros?
Message-ID:  <41AF8F93.4000805@locolomo.org>

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Hi,

I have noted a bit wierd problem. I have a laptop, 128MB ram, of which
16MB are used for graphics. I recently bought a 3Com OfficeConnect card
(atheros).

If I boot up with the card, no problem, nor if I insert the card after
boot - all seems to work as it should.

But if I start up Mozilla (with just a blank page) and then insert the
card, I get an error:

ath0: <Atheros 5212> mem 0x88000000-0x8800ffff irq 11 at device 0.0 on
cardbus0
ath0: [GIANT-LOCKED]
ath0: mac 5.6 phy 4.1 5ghz radio 3.6
ath0: failed to allocate descriptors: 12
device_attach: ath0 attach returned 12
cbb0: CardBus card activation failed

If I close mozilla and try to reinsert the card, I still get the error,
I have to reboot to use my wireless card. The manpage says:

ath%d: failed to allocate descriptors: %d  The driver was unable to
allocate contiguous memory for the transmit and receive descriptors.
This usually indicates system memory is scarce and/or fragmented.
According to top I have plenty of memory free:

Mem: 55M Active, 11M Inact, 28M Wired, 4256K Cache, 20M Buf, 2772K Free
Swap: 512M Total, 74M Used, 438M Free, 14% Inuse

I have tried this also with OpenOffice writer same result, whereas I 
have no problems with XEmacs.

Since it appears there is free RAM, I guess more RAM won't solve the 
problem? How do I solve this, other than rebooting? How much memory does 
the driver need to allocate?

Thanks, Erik
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