El 29/12/14 a les 23.49, Jakob Alvermark ha escrit: > On Mon, December 29, 2014 20:12, Marius Strobl wrote: >> On Mon, Dec 29, 2014 at 05:55:28PM +0100, Roger Pau Monné wrote: >> >>> El 29/12/14 a les 12.41, Roger Pau Monné ha escrit: >>> >>>> Hello, >>>> >>>> >>>> Sorry for not noticing this earlier, I've been without a computer for >>>> some days. Do you get a panic message, or the system just freezes? >>>> >>>> Can you please post the full boot output with boot_verbose enabled? >>>> >>> >>> I'm not able to reproduce the problem with Qemu and OVMF, and I don't >>> have any box right now that uses UEFI. >>> >>> I'm guessing that this is due to some memory reservation conflict, so >>> I'm attaching a patch that should help diagnose it. >>> >> >> You'll probably want to nuke RF_ACTIVE so the resources are marked >> as taken but in case of vt_efifb(4), the memory isn't mapped twice. I don't >> not know whether the latter actually is a problem for x86, though, it'll >> likely at least replace the VM_MEMATTR_WRITE_COMBINING mapping done in >> vt_efifb_remap(). Removing RF_ACTIVE in turn might not be sufficient for >> the Xen bits to mark the resource as reserved, this should be fixed in the >> FreeBSD/Xen code then, however. >> Also end = size - 1, see the attached patch. > > Hi, I tried this patch on my Acer. I does not help. Legacy boot (BIOS) > still works. I've reverted the EFI part of r276064 and committed it as r276405, I will revisit it in a couple of days when I have an UEFI system setup in order to test it on real hardware. Roger.Received on Tue Dec 30 2014 - 11:39:42 UTC
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