[PATCH Makedumpfile 0/4] x86_64: Fix page_offset for randomized base enabled

Pratyush Anand panand at redhat.com
Wed Oct 26 22:11:23 PDT 2016

On Thursday 27 October 2016 08:07 AM, Dave Young wrote:
> According to our test, with these patches the dumped vmcore is correct
> which means simple crash test `bt` works. But the saved vmcore size is
> larger than before.
> I collected two --message-level 31 logs with/without your patches, the
> kernel kaslr was disabled during my test so that we can focus on the
> vmcore size issue, it looks like mem_map address was not collected
> correctly.
> [please ignore the patched log extra debug message I added]

Hummm..thanks for pointing it out.

Seems patch 1/4 is wrong.

with this patch page_offset = ffffffff80000000
while with original code page_offset = ffff880000000000

Trying to see where it is wrong


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