Messages in this thread | | | Date | Wed, 8 Jun 2011 21:30:37 +0100 | From | Matthew Garrett <> | Subject | Re: 2.6.39.1 immediately reboots/resets on EFI system |
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On Wed, Jun 08, 2011 at 01:23:38PM -0700, Yinghai Lu wrote: > On 06/08/2011 01:09 PM, Matthew Garrett wrote: > > On Wed, Jun 08, 2011 at 01:03:25PM -0700, Yinghai Lu wrote: > >> On 06/08/2011 12:52 PM, Matthew Garrett wrote: > >>> On Wed, Jun 08, 2011 at 12:48:48PM -0700, Yinghai Lu wrote: > >>>> On 06/08/2011 12:38 PM, Matthew Garrett wrote: > >>>>> On Wed, Jun 08, 2011 at 12:35:54PM -0700, Yinghai Lu wrote: > >>>>>> On 06/08/2011 12:29 PM, Matthew Garrett wrote: > >>>>>>>> what former? you can not fix some corner case by breaking most other cases. > >>>>>>> > >>>>>>> All Dell laptops, all new Apples, some Lenovos, various Intel server > >>>>>>> platforms. That I've found so far. > >>>>>> > >>>>>> do you mean before that patch, all those machine will not boot linux kernel with UEFI support? > >>>>> > >>>>> Correct. > >>>> > >>>> with or without EFI runtime services? > >>> > >>> They'll boot with noefi, but that's useless because there's then no way > >>> to configure a bootloader. > >> > >> efibootmgr will need boot services in addition to run-time services? > > > > No, SetVirtualAddressMap() calls into boot services. This is code, not > > data. We have no control over what it does. > > Maybe you can parse efimeminfo in arch/x86/boot/compressed/head_64.S to find right decompress position for kernel.
Hm. I'll take a look into that. Thanks!
-- Matthew Garrett | mjg59@srcf.ucam.org
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