Hi Ard, On 07/04/17 16:51, Ard Biesheuvel wrote: > That is quite interesting, to be honest, because that patch should > effectively be a NOP on systems that do not implement > EFI_RNG_PROTOCOL. > > Could you run this from the UEFI shell please? > > http://people.linaro.org/~ard.biesheuvel/RngTest.efi As you predicted: Shell> RngTest.efi UEFI RNG Protocol Testing : ---------------------------- -- Locate UEFI RNG Protocol : [Fail - Status = Not Found] Error reported: Not Found > I would expect it to report that it has no EFI_RNG_PROTOCOL > implementation. Could you also check whether the working kernel still > works /after/ having executed that utility? The broken kernel remains broken after running that test. reboot. The working kernel continues to work after running that test. (On Monday) I will try with just these efi changes on v4.11-rc. to try and eliminate everything else in linux-next. This is one of those firmware versions that prints lots of > efi: [Firmware Bug]: IRQ flags corrupted (0x00000140=>0x00000100) by EFI get_variable Thanks, James -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
