Messages in this thread |  | | Date | Wed, 4 Aug 2004 16:33:35 -0700 | | From | Grant Grundler <> | | Subject | Re: [BROKEN PATCH] kexec for ia64 |
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On Wed, Aug 04, 2004 at 07:07:04AM -0600, Eric W. Biederman wrote: > Initially that patch > was targeted for a kernel without device_shutdown(), so I was > likely considering the old trick of running through all of the PCI > devices and disabling their bus master bit.
Blindly disabling all PCI bus master bits will also kill VGA/serial console and any USB keyboard attached to the system.
I'll comment more on the "DMA is a Red Herring" when I can read more what it is about.
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