On Tue, Jan 19, 2021 at 02:04:18PM +0800, Aili Yao wrote: > > > Thanks, so which interface did you use for error injection? I guess first > > you used /sys/devices/system/memory/hard_offline_page, but if it's true, > > then the error event should be action optional (no MF_ACTION_REQUIRED set). > > So now I'm wondering why you are observing action required events? > > My another guess is that you might have used mce-inject tool, if that's true, > > please use hard_offline_page, then current kernel code should properly send > > SIGBUS to dedicated process. > > > The test has no relation to ce and hard_offline_page, sorry for misleading. > > if the test code will compiled to my_test bin, here is my script: > ./my_test hola salut servus test haaa --- this case no early-kill flag set > or > ./my_test -s hola salut servus test haaa --- this case early-kill is set. > > there must be a process names "test" which will trigger the UE; > > when the my_test start, the shared page's physical address will be printed; > In another console, I will use einj module to inject the 0X10 LEVEL error to this > physical address. Ah, OK, so the problem is becoming clearer, thanks. I'm feeling positive to change code to fall back to find_early_kill_thread(). So I'll take a look on v2. Thanks, Naoya Horiguchi
