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

2017-01-11 Thread Xunlei Pang
On 01/12/2017 at 03:35 AM, Robert LeBlanc wrote: > On Wed, Dec 14, 2016 at 4:17 PM, Xunlei Pang wrote: >> As I replied in another post, if you really want to detail the behaviour, >> should mention >> "crashkernel=size[KMG][@offset[KMG]]" with @offset[KMG] specified >>

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

2017-01-11 Thread Xunlei Pang
On 01/12/2017 at 03:35 AM, Robert LeBlanc wrote: > On Wed, Dec 14, 2016 at 4:17 PM, Xunlei Pang wrote: >> As I replied in another post, if you really want to detail the behaviour, >> should mention >> "crashkernel=size[KMG][@offset[KMG]]" with @offset[KMG] specified >> explicitly, after >> all,

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

2017-01-11 Thread Robert LeBlanc
On Wed, Dec 14, 2016 at 4:17 PM, Xunlei Pang wrote: > As I replied in another post, if you really want to detail the behaviour, > should mention > "crashkernel=size[KMG][@offset[KMG]]" with @offset[KMG] specified explicitly, > after > all, it's handled differently with no

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

2017-01-11 Thread Robert LeBlanc
On Wed, Dec 14, 2016 at 4:17 PM, Xunlei Pang wrote: > As I replied in another post, if you really want to detail the behaviour, > should mention > "crashkernel=size[KMG][@offset[KMG]]" with @offset[KMG] specified explicitly, > after > all, it's handled differently with no upper bound

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

2016-12-14 Thread Xunlei Pang
On 12/15/2016 at 01:50 AM, Robert LeBlanc wrote: > 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:

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

2016-12-14 Thread Xunlei Pang
On 12/15/2016 at 01:50 AM, Robert LeBlanc wrote: > 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

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

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 800 MB, the kernel fails

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

2016-12-13 Thread Xunlei Pang
On 12/14/2016 at 11:08 AM, 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 800 MB, the

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

2016-12-13 Thread Xunlei Pang
On 12/14/2016 at 11:08 AM, 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 800 MB, the kernel fails to

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

2016-12-13 Thread Xunlei Pang
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 800 MB, the >>> kernel fails to allocate memory on x86 and x86_64.

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

2016-12-13 Thread Xunlei Pang
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 800 MB, the >>> kernel fails to allocate memory on x86 and x86_64. This is due to an

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

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 crashkernel and other low

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

2016-12-09 Thread Baoquan He
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 crashkernel and other low memory items must > be allocated below 896 MB unless

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

2016-12-09 Thread Baoquan He
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 crashkernel and other low memory items must > be allocated below 896 MB unless

[PATCH] Add +~800M crashkernel explaination

2016-12-09 Thread Robert LeBlanc
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 crashkernel and other low memory items must be allocated below 896 MB unless the ",high" option is given. This updates the

[PATCH] Add +~800M crashkernel explaination

2016-12-09 Thread Robert LeBlanc
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 crashkernel and other low memory items must be allocated below 896 MB unless the ",high" option is given. This updates the