On Thu, Sep 25, 2008 at 12:42:38PM +0800, Jia-Shiun Li wrote: > On Thu, Sep 25, 2008 at 1:35 AM, John Baldwin <jhb_at_freebsd.org> wrote: > > On Wednesday 24 September 2008 01:11:31 pm jiashiun li wrote: > >> > >> I did a binary search and found the problem lies between 2008-08-22 > >> and 2008-08-23. Here is my note: > >> > > If you grab the latest bits from HEAD you can use 'hw.pci.mcfg=0' to disable > > memcfg. > > > > Thanks, quick search the mailing list revealed some cases and your > solution just a few days ago. I should have followed the mailing list > more carefully. ;) > > Just curious, any idea why the memory mapped configuration prevents > kernel from booting? Maybe buggy hardware, acpi code, or combination > of both that users can help testing to find the cause? I would like to put in a me-too here. I've been using hw.pci.mcfg=0 since it was introduced but I still don't know where exactly the problem is, or how to pinpoint it (bad bios/bad hardware/bad phase of the moon/etc). The bleeding versions of other OS'es seem to work out of the box, though that doesn't mean much - I'm not sure what they do inside. Regards, NavdeepReceived on Thu Sep 25 2008 - 05:11:24 UTC
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