Re: [PATCH v3] Load crash kernel high on x86

2015-10-01 Thread Petr Tesarik
Hello Simon, what's up with this patch? Do you plan to apply it, or is there still an issue? Regards, Petr Tesarik On Thu, 24 Sep 2015 08:48:52 +0200 Petr Tesarik wrote: > There may be more than one crash kernel regions on x86. Currently, > kexec-tools picks the largest

RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread 河合英宏 / KAWAI，HIDEHIRO
> On Thu, Oct 01, 2015 at 07:01:50AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > > I suppose that a sever which uses this feature will equip a BMC > > and BMC mandatorily supports hard reset command for the server. > > If the HA clustering software detects no response from the server > > after

Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread Borislav Petkov
On Thu, Oct 01, 2015 at 10:24:19AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > But how do we check if the starting kernel is a dump capture kernel? How does that first kernel pass info to the capture kernel? > I think using cmdline option is the simplest way. More often than not, simplest != correct.

Re: [PATCH v3] kexec: fix out of the ELF headers buffer issue in syscall kexec_file_load()

2015-10-01 Thread Andrew Morton
On Tue, 29 Sep 2015 20:58:57 +0800 "Lee, Chun-Yi" wrote: > This patch modified the code in fill_up_crash_elf_data by using > walk_system_ram_res instead of walk_system_ram_range to count the max > number of crash memory ranges. That's because the walk_system_ram_range >

Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread Peter Zijlstra
On Thu, Oct 01, 2015 at 02:33:18AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > > On Fri, Sep 25, 2015 at 08:28:11PM +0900, Hidehiro Kawai wrote: > > > This patch introduces new boot option "noextnmi" which disables > > > external NMI. This option is useful for the dump capture kernel > > > so that an

RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread 河合英宏 / KAWAI，HIDEHIRO
> On Thu, Oct 01, 2015 at 02:33:18AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > > > On Fri, Sep 25, 2015 at 08:28:11PM +0900, Hidehiro Kawai wrote: > > > > This patch introduces new boot option "noextnmi" which disables > > > > external NMI. This option is useful for the dump capture kernel > > > > so

RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread 河合英宏 / KAWAI，HIDEHIRO
> On Thu, Oct 01, 2015 at 10:24:19AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > > But how do we check if the starting kernel is a dump capture kernel? > > How does that first kernel pass info to the capture kernel? As I described in the previous mail, You just have to add "noextnmi" to

Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

2015-10-01 Thread Borislav Petkov
On Thu, Oct 01, 2015 at 07:01:50AM +, 河合英宏 / KAWAI，HIDEHIRO wrote: > I suppose that a sever which uses this feature will equip a BMC > and BMC mandatorily supports hard reset command for the server. > If the HA clustering software detects no response from the server > after relatively long