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[Qemu-devel] pcnet: Bad SWSTYLE=0x04


From: Sebastian Herbszt
Subject: [Qemu-devel] pcnet: Bad SWSTYLE=0x04
Date: Sun, 14 Jun 2009 17:41:47 +0200

Qemu prints "Bad SWSTYLE=0x04" if the pcnet nic model is used and the interface 
is being
shut down in linux (ifconfig eth0 down). The linux pcnet32 driver 
(drivers/net/pcnet32.c) uses
"lp->a.write_bcr (ioaddr, 20, 4);" in pcnet32_close() and other places.

According to Antony T Curtis [1] "There is no such SWSTYLE as 0x04 on the 
PC-Net chip I emulated.
You should be able to safely ignore this message."

I assume this a linux driver bug and should be reported there, correct?

[1] http://lists.gnu.org/archive/html/qemu-devel/2004-08/msg00192.html

- Sebastian





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