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    SubjectRe: [PATCH 1/3] Introduce interface to report BIOS bugs

    > 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.

    (cesky, pictures)

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      Last update: 2008-08-22 12:21    [W:0.025 / U:5.420 seconds]
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