Hi, > > I reproduced it by the following command line: > > ...noapic acpi_sci=level... > > > > the original dmesg is: > > > > [ 0.000000] tsc: Fast TSC calibration using PIT > > > > the broken dmesg is: > > > > [ 0.001000] tsc: PIT calibration matches HPET. 1 loops > > > > Is it right? If it is wrong, please give the right process for > > reproducing. yes, this is right, see [1] for the original thread. The earliest I could move the call of acpi_early_init() without triggering the bug back than is shown in the patch at [2] but unforunately I do not have access to the Thinkpad X121e I had back than anymore, so I cannot help with regression testing. Cheers, Julian [1] https://lkml.org/lkml/2014/3/10/123 [2] https://lkml.org/lkml/2014/3/11/424 -- () ascii ribbon campaign - against html e-mail /\ - against proprietary attachments -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html