Messages in this thread | | | Date | Wed, 08 Jun 2011 13:23:38 -0700 | From | Yinghai Lu <> | Subject | Re: 2.6.39.1 immediately reboots/resets on EFI system |
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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.
Yinghai
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