Re: [PATCH] devexit fixes in i82092.c

Eric W. Biederman
2002-03-16T22:09:54Z

Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

> > Please for the Linux booting Linux scenario it is mandatory we get this right
> > for reboot. I know for a fact that currently we leave active receive buffers
> on
>
> > network cards when we reboot. (If you haven't downed the interface). So it
> > is possible for a network packet to come in and hose a machine that is
> rebooting.
>
>
> Thats a bios bug. Its pretty much the whole reason for having bus master
> enable bits in the PCI configuration. The BIOS should have killed the bus
> masters.

In the general reboot case yes it is a BIOS bug. In the general Linux
booting Linux case there is no BIOS involved.

Eric