Messages in this thread | | | Date | Fri, 22 Aug 2008 12:19:10 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 1/3] Introduce interface to report BIOS bugs |
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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
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