Messages in this thread | | | Date | Mon, 25 Dec 2017 10:47:46 +0100 | From | Ingo Molnar <> | Subject | Re: PROBLEM: consolidated IDT invalidation causes kexec to reboot |
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* Alexandru Chirvasitu <achirvasub@gmail.com> wrote:
> The first attachment is the config I initially used last night after > that second patch (removing 'local' etc.). > > As you guessed, all four options are set, hence the name of the file > (ending in '-y'). The other config I'm attaching was treated as you > lay out (2-config-n). > > I used the '-n' config to compile two kernels just now: > > (a) e802a51, that same first commit giving me trouble. > > The changes made no difference to kexec behaviour: with the e802a51 > kernel calling kexec boot directly with -e and triggering a panic both > kick off a full reboot, though the crash kernel registers as loaded. > > (b) the kernel in the branch I made last night, with the set_idt kexec > (for good measure, I thought I might as well do this one too). > > No difference here either: the crash dump kernel boots fine both ways > (directly and upon intentional crashing).
Thanks for all the info!
Detailed analysis from me (or Thomas) will have to wait after the Christmas hollidays.
Thanks,
Ingo
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