Muli Ben-Yehuda wrote:
On Fri, Jun 22, 2007 at 12:19:15PM -0700, Yinghai Lu wrote:
[PATCH] x86-64: disable the GART before allocate aperture
For K8 system: 4G RAM with memory hole remapping enabled, or more
than 4G RAM installed. when mem is allocated for GART, it will do
the memset for clear. and for kexec case, the first kernel already
enable that, the memset in second kernel will cause the system
restart. So disable that at first before we try to allocate mem for
it.
Why does the memset in the second kernel cause a system restart?
GART is enabled by first kernel, and some driver is using that for DMA.
YH
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