On Fri, 22 Feb 2013, Rafael J. Wysocki wrote: > On Friday, February 22, 2013 02:40:58 AM Rafael J. Wysocki wrote: > > It looks like the hest_tab memory mapping is unmapped between > > acpi_hest_init() > > and aer_acpi_firmware_first(), but I have no idea what may be responsible > > for > > that. > > > > And the only relevant difference between now and before the commit above > > seems > > to be the change of the acpi_hest_init() ordering (which now is called > > earlier). > > We actually don't really need to do that thing so early, I think. It looks > like > we only need to make it available early enough for the AER driver to be able > to > use it, so I wonder if moving the acpi_hest_init() to a separate > subsys_initcall() will work around the problem. That is, something like the > patch below.
Yes, that makes the machine boot. > But even if this helps, I will be wanting to understand what's up here. It's very simple. I have "acpi=off" on the command line. With that acpi_hest_init is never called, so hest_disable is not set ..... Brilliant stuff that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
