On Sunday 05 February 2006 2:33 am, Carlo E. Prelz wrote:
> In drivers/usb/host/pci-quirks.c, in function quirk_usb_disable_ehci
> (should start around line 211) there is a stanza that reads:
>
> /* always say Linux will own the hardware
> * by setting EHCI_USBLEGSUP_OS.
> */
> pci_write_config_byte(pdev, offset + 3, 1);
>
> On my sapphire athlon64 motherboard (see the thread for more details),
> this call never returns (without generating any output). I commented
> it out, and now the EHCI subsystem works OK (currently running
> 2.6.16rc2).
Interesting ... feels like a BIOS problem. If you want to experiment,
there's a right bracket -- "}" -- immediately before that. Try moving
it right after that write, so that write_config_byte is covered by the
preceding "if LEGSUP_BIOS" test; or copying the much later "disable SMI"
clause into an "else" for that "if".
- Dave
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