Messages in this thread |  | | Subject | Re: [x86-tip] RSDP changes converted i4790 box SMP -> UP | From | Juergen Gross <> | Date | Fri, 12 Jan 2018 07:40:17 +0100 |
| |
On 12/01/18 05:25, Mike Galbraith wrote: > Hi Juergen, > > Yesterday I wanted to test the RETPOLINE stuff in tip and tip-rt, but > discovered instead that my box had turned into a complete slug, not due > to incredible RETPOLINE overhead, rather because box had forgotten that > it had more than one CPU. I was going to leave it for the weekend, but > firing up gitk over morning java, I noticed the commits below, and sure > enough, that's what broke my box. Given other people's boxen work, > seems likely that the authors of the AMI BIOS in this box were a bit > more creative than usual.
So I'm curious how this should be possible.
Some questions:
- which bootloader are you using? - what does /sys/kernel/boot_params/version contain? - can you print the returned value of acpi_arch_get_root_pointer() in acpi_os_get_root_pointer() with the patches applied and report it, please?
Juergen
|  |