On Tuesday, March 26, 2013 11:09:55 AM Olivier Diotte wrote: > Hi, > > I have a development board here that hangs when trying to boot linux > (actually Ubuntu Precise Pangolin's kernel 3.5.7.6). > Supplying the kernel parameter 'acpi=off' allows the board to boot > correctly. The problem is that we need this board to boot with a > working ACPI stack. > > I recompiled Ubuntu's kernel adding support for ACPI debugging > (CONFIG_PM_DEBUG=y, CONFIG_ACPI_DEBUG=y) and did some tests with > 'acpi.debug_layer' and 'acpi.debug_level' and can provide these if > needed, though I am unsure if this is the right approach. > > Is there something I can do to get this board's ACPI working? Any hint > and/or approach would be a good step forward. Can you get any debug output from boot attempts without acpi=off? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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
