Hi! > > This is mostly needed for ACPI systems. > ACPI introduces an endless amount of possible BIOS > bugs like wrong values, missing functions, etc. > The kernel has to sanity check all of them and should > report BIOS bugs as such to the user. > > ACPI is the main target, of course others, who already declare BIOS bugs, > also benefit from this, e.g. PCI: > arch/x86/pci/pcbios.c: > printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", > printk (KERN_ERR "PCI: BIOS BUG #%x[%08x] found\n", > ... > This one I stumbled over recently (when >4GB BIOS sets up IO mem for this > device wrongly on some Dell notebooks): > ohci_hcd 0000:00:02.0: USB HC takeover failed! (BIOS/SMM bug) I like the idea... Plus, it would be cool to have message clearly state if Linux could work around this problem. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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
