Re: [PATCH] Add +~800M crashkernel explaination

2017-01-11 Thread Robert LeBlanc
ation as long as the given range is > available. crashkernel=1024M@0x1000 I can't get the offset to work. It seems that it allocates the space and loads the crash kernel, but I couldn't get it to actually boot into the crash kernel. Does it work for you? I'm using the 4.9 kernel.

[PATCH] Add +~800M crashkernel explaination

2016-12-09 Thread Robert LeBlanc
pdates the documentation to explain this and what I understand the limitations to be on the option. Signed-off-by: Robert LeBlanc --- Documentation/kdump/kdump.txt | 22 +- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump

Re: [PATCH] Add +~800M crashkernel explaination

2016-12-09 Thread Robert LeBlanc
On Fri, Dec 9, 2016 at 7:49 PM, Baoquan He wrote: > On 12/09/16 at 05:22pm, Robert LeBlanc wrote: >> When trying to configure crashkernel greater than about 800 MB, the >> kernel fails to allocate memory on x86 and x86_64. This is due to an >> undocumented limit that the cras

Re: [PATCH] Add +~800M crashkernel explaination

2016-12-14 Thread Robert LeBlanc
On Tue, Dec 13, 2016 at 8:08 PM, Xunlei Pang wrote: > On 12/10/2016 at 01:20 PM, Robert LeBlanc wrote: >> On Fri, Dec 9, 2016 at 7:49 PM, Baoquan He wrote: >>> On 12/09/16 at 05:22pm, Robert LeBlanc wrote: >>>> When trying to configure crashkernel greater than about