http://bugzilla.kernel.org/show_bug.cgi?id=9444
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------- Comment #2 from [EMAIL PROTECTED] 2007-11-25 18:27 -------
Yes, this patch returns rsdp with the correct checksum.
Do you want to get this patch upstream?
But some laptops may use the un-tested rsdp once this patch is applied.
I mean they always use the first rsdp so they never know whether other rsdps
can work for them even or not if they have the correct checksum.
Yakui and me are looking at this issue and Yakui already has a fix for this
issue.
The first patch parse the whole memory and list all the rsdps found, with the
debug messages as well if more than one rsdps exist, but the first rsdp is
always returned by default.
The second patch add a kernel parameter acpi_rsdp_instance so that users can
choose which rsdp to use just like what we do for multiple MADTs.
Len, what do you think about the latter fix?
IMO, the best way is to verify which dsdt does windows choose so that we can
use the same one...
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